WAS - SYD

$426 Find Cheap Flights from Washington, D.C. to Sydney

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Washington, D.C. to Sydney departing on 2/11. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags

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These are the airlines KAYAK users have selected most often from within our search results in flight searches from Washington, D.C. to Sydney.
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Washington, D.C. to Sydney.
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Cheap Flight Deals from Washington, D.C. to Sydney (WAS-SYD)

 
These are the cheapest deals for flights from Washington, D.C. to Sydney currently on KAYAK along with options from the most popular airlines KAYAK users selected for this route. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Recent round-trip flight deals from Washington, D.C. to Sydney

Recommended round-trip deals departing in the coming months from the most popular airlines that fly from Washington, D.C. to Sydney.
Discover the best prices and deals for you by selecting your travel dates.
Choose your dates
5:10 pm - 4:05 pmDCA-SYD
30h 55m2 stops
9:25 pm - 4:15 pmSYD-DCA
34h 50m1 stop
$845Qantas Airways
Find Deal
Sat, Feb 22 - Tue, Mar 4
5:26 pm - 6:55 amIAD-SYD
23h 29m1 stop
10:25 am - 12:31 amSYD-IAD
28h 06m1 stop
$865Qantas Airways
Find Deal
Wed, May 14 - Wed, May 28
5:26 pm - 6:55 amIAD-SYD
23h 29m1 stop
10:25 am - 4:23 pmSYD-IAD
19h 58m1 stop
$893American Airlines
Find Deal
Sat, May 17 - Sat, Jun 7
7:18 pm - 6:55 amDCA-SYD
21h 37m1 stop
10:25 am - 11:00 pmSYD-DCA
26h 35m1 stop
$893American Airlines
Find Deal
Sat, May 17 - Sat, Jun 7
3:55 pm - 7:00 amBWI-SYD
23h 05m1 stop
11:50 am - 4:15 pmSYD-BWI
20h 25m1 stop
$1,194United Airlines
Find Deal
Wed, Feb 12 - Fri, Feb 28
9:00 am - 7:00 amBWI-SYD
32h 00m1 stop
10:20 am - 5:32 pmSYD-BWI
21h 12m1 stop
$1,202United Airlines
Find Deal
Thu, Apr 24 - Tue, May 6
5:10 pm - 8:45 amIAD-SYD
25h 35m2 stops
8:45 am - 12:24 amSYD-IAD
29h 39m2 stops
$1,316Air New Zealand
Find Deal
Wed, Apr 30 - Wed, May 14
12:40 pm - 8:45 amDCA-SYD
30h 05m2 stops
8:45 am - 10:08 pmSYD-DCA
27h 23m2 stops
$1,316Air New Zealand
Find Deal
Wed, Apr 30 - Wed, May 14
5:40 pm - 7:20 amIAD-SYD
23h 40m1 stop
9:20 am - 4:45 pmSYD-IAD
21h 25m1 stop
$1,333Air Canada
Find Deal
Sun, May 11 - Wed, May 28
11:10 am - 9:35 amDCA-SYD
30h 25m2 stops
11:20 am - 9:00 pmSYD-DCA
25h 40m2 stops
$1,333Air Canada
Find Deal
Sun, Feb 9 - Wed, Feb 26

Flights from Washington, D.C. to Sydney - Travel Insights & Trends

Get data-powered insights and trends into flights from Washington, D.C. to Sydney to help you find the cheapest flights, the best time to fly and much more.

What’s the cheapest day of the week to fly from Washington, D.C. to Sydney?

The average price of all flights from Washington, D.C. to Sydney clicked on KAYAK for each day over the last 12 months.
If your flying dates are flexible, you should consider flying to Sydney on a Tuesday, as we generally find the cheapest rates on that day for this route. On the other hand, Saturday is the most expensive day to fly from Washington, D.C. to Sydney. For your return ticket, we recommend flying on a Thursday and avoiding Mondays for the best deals.

What is the cheapest month to fly from Washington, D.C. to Sydney?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from Washington, D.C. to Sydney, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.
The cheapest month for flights from Washington, D.C. to Sydney is March, where tickets cost $1,144 on average. On the other hand, the most expensive months are December and January, where the average cost of tickets is $1,790 and $1,512 respectively.

How far in advance should I book a flight from Washington, D.C. to Sydney?

To calculate daily average prices, KAYAK takes all prices for each day before departure over the last year for flights from Washington, D.C. to Sydney, removes the top 0.1% to account for outliers, and then takes the average of all the values for each month.
To get a below average price on the flight from Washington, D.C. to Sydney, you should book around 1 week before departure. For the absolute cheapest price, our data suggests you should book 136 days before departure.

Good to know

Low season

September

High season

June

Cheapest flight

$426
Best time to beat the crowds but there is an average 2% increase in price.
Most popular time to fly and prices are also 1% lower on average.
Flight from Reagan Washington National Airport to Sydney

When to book flights from Washington, D.C. to Sydney

Are your dates flexible? Find out the best times to travel from Washington, D.C. to Sydney based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Washington, D.C. to Sydney

  • What are the popular layovers for flights from Washington, D.C. to Sydney?

    Airlines with stopover options on Washington, D.C. to Sydney route stop in one or more cities. However, flight routes and layover durations vary among airlines. For this reason, consider checking the flight route before booking to avoid extended layovers. Most airlines have a layover in major cities, including Dallas, San Francisco, Houston, Vancouver, Los Angeles, Honolulu, Tokyo, Seoul, Beijing, New Delhi, Abu Dhabi, Doha, and Dubai.

  • What is the carry-on and checked luggage allowance for economy on cheap flights from Washington, D.C. to Sydney?

    Your carry-on and checked luggage policy depends on your airline. For ANA, the maximum dimensions for your carry-on are 22 x 16 x 10 inches. You can also bring another bag weighing up to 50 lb. If you book Air New Zealand, your carry-on shouldn’t exceed 22 x 14 x 9 inches. Your additional bag should weigh 50 lb at most. However, your bags must fit in the overhead cabin or beneath your seat.

  • What airlines offer sustainable travel from Washington, D.C. to Sydney?

    Singapore Airlines offers an eco-friendly journey on this route. These airlines cut food waste to achieve net zero carbon emissions by 2050. Cathay Pacific is committed to ensuring a greener environment by using sustainable aviation fuel to lower its carbon footprint.

  • What’s the best way to travel from SYD airport to downtown Sydney?

    One way to travel from SYD airport to downtown Sydney is to take the T3 or T8 trains to arrive in the city in around 17 minutes. If you take the N20 or 438X buses, you get to the city in approximately 25 minutes. A taxi or rental car offers a quick journey, about 15 minutes to the city.

  • What is the cheapest flight from Washington, D.C. to Sydney?

    In the last 3 days, the lowest price for a flight from Washington, D.C. to Sydney was $426 for a one-way ticket and $845 for a round-trip.

  • Do I need a passport to fly between Washington, D.C. and Sydney?

    Yes

  • Which airports will I be using when flying from Washington, D.C. to Sydney?

    There are 2 airports in Washington, D.C. (Washington, D.C. Reagan-National and Washington, D.C. Dulles Intl.) and only 1 airport in Sydney (Sydney Kingsford Smith). The cheapest flights are generally found on the Reagan Washington National Airport to Sydney Kingsford Smith flight route.

  • Which aircraft models fly most regularly from Washington, D.C. to Sydney?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Washington, D.C. to Sydney?

    oneworld, Star Alliance, and SkyTeam are the airline alliances operating flights between Washington, D.C. and Sydney, with Star Alliance being the most commonly used for this route.

  • What is the most popular layover when flying to Sydney from Washington, D.C.?

    Los Angeles is the most popular layover city among KAYAK users traveling from Washington, D.C. to Sydney.

  • Which is the best airline for flights from Washington, D.C. to Sydney, ANA or Air New Zealand?

    The two airlines most popular with KAYAK users for flights from Washington, D.C. to Sydney are ANA and Air New Zealand. With an average price for the route of $1,861 and an overall rating of 8.4, ANA is the most popular choice. Air New Zealand is also a great choice for the route, with an average price of $1,543 and an overall rating of 8.0.

  • How does KAYAK find such low prices on flights from Washington, D.C. to Sydney?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington, D.C. to Sydney.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington, D.C. to Sydney?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Sydney from Washington, D.C. is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Washington, D.C. to Sydney?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Sydney with an airline and back to Washington, D.C. with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington, D.C. to Sydney?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Sydney from Washington, D.C. up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

KAYAK’s top tips for finding a cheap flight from Washington, D.C. to Sydney

  • Washington Dulles International Airport (IAD) is a hub for United Airlines. At the same time, Sydney Kingsford Smith International Airport (SYD) serves as a primary hub for Qantas. It’s also a secondary hub for Jetstar and Virgin Australia.
  • Japan Airlines offer an extensive array of special meals to meet passengers’ religious and health requirements. Those who need a special diet are required to order a meal at least 24h before take-off.
  • The Silver train offers a reliable journey from downtown via the subway to the airport in about 49 minutes. Another way to get to the airport from the city is taking the Virginia Breeze bus, which gets you to the airport terminal in around 1h 5min.
  • Suppose you upgrade to business class on cheap flights from Washington, D.C. to Sydney. In that case, you enjoy numerous amenities, including priority check-in and boarding, access to the VIP lounge, premium dining, complimentary snacks and drinks, inflight entertainment, amenity kits, and working space.
  • Besides Sydney, IAD airport serves several nearby cities. You can visit Botany to the east, Brighton-Le-Sands to the southwest, Wolli Creek to the northwest, and Rosebery to the northeast. You can board a public bus if you need a cheap way to get to these cities. Alternatively, you can rent a car at the airport to drive at your own pace.
See more tips

Top 5 airlines serving from Washington, D.C. to Sydney

 
See real verified KAYAK customer reviews for airlines flying from Washington, D.C. to Sydney. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Washington, D.C. to Sydney? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.0
Air New ZealandOverall score based on 529 reviews
8.6Crew
8.0Comfort
8.2Boarding
7.6Entertainment
7.4Food
Airline reviews

Overall, a great experience from food and crew. The only setback was that this was the Second flight from Air New Zealand within a week that was an hour late for boarding.

4.0 OkayAnonymous, Nov 2024AKL - MEL
Read more Air New Zealand reviews

Overall, a great experience from food and crew. The only setback was that this was the Second flight from Air New Zealand within a week that was an hour late for boarding.

The air New Zealand employees who assisted us with wheelchair aid on Auckland made our transfer from flight to the next seamless. Also were amazing in helping with our luggage and customs in Brisbane.

New Zealand crew were attentive. We were not informed that we needed transit document to pass through New Zealand. A checkin employee helped with this for which we were thankful.

Overall good. We had to transfer to Bradly terminal. We had requested wheelchair assistance. The bus that picked us up had to wait for other passengers. The wait was long. Then, at the Bradly terminal we had to wait an extended period of time for the wheel chair assistance. These delays caused tension at checked in and resulted in arriving at the gate as passengers were boarding.

The boarding process was less than ideal. While I liked being greeted with “Kia Ora”, the rest of the process was very average for business-class travel — queue, crowding, no clear separation between economy and business premier. The aircraft felt old, even though I believe it was only 6 years’ old. Travelling in Business Premier in Air New Zealand is like sitting in a glass bowl. One can see everyone, and everyone can see others. Very bad structuring of seats. If you have a choice, fly another airlines like Singapore Airlines for business — I had the option, but chose this flight due to it’s departure time. Regrettable decision. I had opted for Vegan food choice. Very poor food as well as service. It is as if the chefs preparing the meal have little idea what nutritious, healthy and filling plant-based food is. And the crew were totally uncoordinated. In the main dinner meal, the first thing I was served was a fruit bowl, and then followed by other items. No mention was made that the fruit bowl (served first) was the dessert! And then after my meal tray was cleared another steward (not the one who served the main meal) comes around asks me that now that I had had the would like the dessert. I said yes, please. He went off and comes back to tell me discreetly that I’ve already had my dessert! He also didn’t know what the dessert was — and I guess it was the fruit platter that was the first item I was served. I was traveling with partner, who had similar experience. For her, they just cleared her table without offering dessert. Extremely poor coordination. The area behind the seats was extremely dirty. I just happened to use the overhead light to try and locate something that had fallen, only to be horrified at the dust, crumbs and all kinds of other particles. The only good thing about the flight was that when it ended, our bags came very very quickly. But that I guess is more to do with airport operations for Air New Zealands at Auckland Airport rather than the flight itself. I would think very hard next time I have to fly Business Premier in New Zealand, especially on Boeing 787-9NZM, which this plane was. Basically if you are selecting seats and find that they are at a diagonal angle, do not book this if you are looking for luxurious travel. Better off with premium economy or a good economy seat. The quality of food and service indeed was way below par.

Gate agent was fantastic in Auckland. They wanted to charge me for my two bags even though I was gold member with United in Tonga. So I had to pay for an upgrade. The meals on both flights had no vegetarian option. The only one item the salad was not tasty at all. Good thing I had brought my own snacks. The bread was white roll which is so not healthy. I think New Zealand air can definitely improve their food offering.

The entire process was excellent! The economy sits are a bit snug so I'll have to be sure to purchase premier or business class next time but, other than that, food, service, attendants were exceptional. Gate agents and ticket agents too!

Can you please process refund. Mum died and dad went to Pakistan to bury her after cancelling flight.

All was good, the only thing was it didn't run on time.

Great meal. Best seats ever! They need to teach other airlines how to do that.

I sat in comfort plus. It was fine. Seats were comfortable. I got drinks and snacks.

Crew was nice. Flight was timely. Seats could be better as well as the food considering it’s first class.

Left on time and arrived early this extending our 31 minute transfer. Bags made it also!

Good and consistent Printer in lounge did not work for me :(

Most of my discomfort was going through TSA. However, the Delta seats had inadequate leg room and I tried my very best to connect to the wi-fi and it was a cumbersome process that finally gave me the info that I needed to sign in AFTER I had completed the flight...Why make it so difficult to use? That said I really really appreciate the pilot taking a little extra time to avoid a bad storm area and both landings in Atlanta and Orlando were flawless to my delight!!!

Delayed in taking off because no flight crew. The in seat entertainment was working properly.

All fine save for the abominable catering. Really gone downhill. We found it all inedible.

I upgraded to first class only to find out that I still had no access to the sky lounge without a sky miles card or AmEx (something that should be emphasized outside of the fine print!) Also, no food or drink service provided during the flight, so I basically paid 4x more just for “free” checked baggage and a bigger seat. Not worth it.

I appreciated friendly service from check-in, to boarding, to in-flight amenities! Attendants were accommodating and helpful. Thank you! Elaine

Delta was really good about being transparent with why we were delayed it’s just that’s the plane was really old and outdated and a lot of the comfort and amenities we know Delta to have did not shine through

The plane was clean. The staff was excellent. The flight attendants were very good. Enjoyable flight. Overall. The seats in the back are too small but, will always be.

This was a 5 hour flight with no entertainment and with a snack being provided (pretzels and fruit bar), which are both high in carbs and sugar. Nuts would have been a better choice.

Never nice, United Express partners always do an amazing job.

Everything was perfect except the pad at the top of the seat back. It pushes my head forward in a very uncomfortable position and it is not removable.

Good plane, crew, and flight. Boarding was a bit chaotic. Bathrooms were unacceptable. United DESPERATELY needs a new terminal at IAD.

Moody attendants that can barely look up at the passengers. I’m all for people having an off day, but you can tell some Untied Airlines Employees have lost their zeal for their jobs

United Airlines changed my flight 5 hours before I arrived at the airport. This messed up my entire day that I arrived in Japan.

Being stick waiting for gate at ORD cause me to almost miss my connecting flight…being deaf United made no no effort to keep me updated as I couldn’t hear the PA

The Economy Plus rows weren’t as roomy as expected, and the meal service left a lot to be desired for.

Flight departed owing to SFO TSA delays as well as incoming flight running late I know these delays are commonplace but when you’re flying long haul international the least that could be done is priority being given to customers in this situation I raced to the gate the plane was still there but NO UNITED AIRLINES STAFF in the surrounding area could seemingly provide effective support This coloured my view of flying with UA The actual flights were good

Finding the gate was very confusing. Our boarding pass listed one gate and the staff verbally told us a different gate.

Plenty of overhead space but forced to check my carry-ons both legs

My flight attendant was attentive! The elderly person next to me was flatulent and the flight attendant could see that I was in distress and brought me some face masks

It was as expected for such a short flight. No complaints

The departing flight from Newark to Charlotte was fine. It was the returning flight from Charlotte to Newark that was awful. We had scheduled an 8:35pm return flight time. We got delayed TEN times all the way to 5am in the morning! We were told over 4 different excuses as to why the flight kept getting delayed. First it was the flight crew needed to rest, then it was something technical with the plane, then it was something with air traffic control, and finally it was because they couldn’t find a captain and had to wait until the morning so the captain could get some rest. It was terrible sleeping overnight in the airport. They offered a $12 meal voucher. That was it! And the only place open in the middle of the night was Dunkin’ Donuts who didn’t even accept the voucher. They should have cancelled the flight much earlier on in the evening instead of just stringing us along hour by hour with more delays. Not professional and unacceptable. There was no refund for inconvenience. I probably will not be flying American Airlines again.

This leg they tried and did well with what they had to work from.

No food, no entertainment. But the flight was really short so maybe they had to skip drinks. I was able to board early ONLY because I am old and decrepit and they let me pre-board. I RESENT your dumping us into category 9 if we do not pay up. And when I paid for a seat I was STILL given 9. The pre-boarding helps. THIS flight was exceptionally smooth, please congratulate the pilots.

On time (actually a little early). Was a good and short flight!

Crazy seating issues. We got seated far apart. Offered middle seats at a premium rate. Why is a middle seat now the expensive seat? Baffling.

Great - quick boarding and landed early with an available gate.

Republic was fine but Air Canada was terrible in the airport. They issues me a boarding pass that I placed in my wallet and then when I showed up at the airport they had taken the bar code away from the ticket because they changed the flight number even though the flight stayed the same time. This caused me to be unable to go through security and I had to go to Air Canada for help and they were horrible and almost caused me to miss my flight. Luckily I managed to get it figured out on my own phone, not the kiosks, or the agent I asked for help or the long line I was standing in!!

Flight was fine. Arrived on time. More room in the seats would be nice, but not something that is likely to happen.

Unfortunately your planes need maintenance. I am surprised your bathroom in business class was not working in 8 hour flight. Coffee machine was broken. Seat adjustment panel was bad. I will stay away from Air Canada in future travel.

I was in Business Class row 7 on a 787-9. Both times I didn't get my choice of food. Otherwise, excellent!

Problem with operation of on board entertainment computer. Failed about 1 /2 hour into the flight. Rebooting failed to restore.

Putting carryone size suitcase into the overhead luggage storage on a the small CR900 plane was cumbersome and its assignment to a far far gate w/o the moveable ramps at YYZ arrivals really stunk.

This flight was a lot more comfortable with more room than the Air Canada Rouge!!! We will never go rouge again! A yes to this one!!! It was so nice to have inflight entertainment! Also the carts came around twice for drinks or a snack!! Great experience all around!

AC flight attendants aren't overly friendly. Otherwise flight was fine.

Newark to Montreal was really good. The return flight was not so good with a substitute carrier was not as good. I was impressed by the AC staff all along the way. Their in flight stack was superior.

I’m handicapped and the staff and crew were so kind and helped me board and made sure I was fine during the flight.

Book cheap flights from Washington, D.C. to Sydney

Recent one-way flight deals

 
Only flying one-way? Below are some of the best one-way flight deals from Washington, D.C. to Sydney found on KAYAK in the last 72 hours.
2/11Tue
1 stopQantas Airways
30h 25mDCA-SYD
$426
3/24Mon
1 stopQantas Airways
26h 36mDCA-SYD
$443
12/24Tue
2 stopsAmerican Airlines
24h 42mIAD-SYD
$463
12/24Tue
1 stopAmerican Airlines
23h 15mDCA-SYD
$463
2/1Sat
1 stopUnited Airlines
33h 00mBWI-SYD
$684
3/24Mon
3 stopsAir Canada
35h 35mDCA-SYD
$776
2/1Sat
2 stopsAir Canada
49h 40mIAD-SYD
$780
3/6Thu
1 stopUnited Airlines
33h 00mBWI-SYD
$824
1/22Wed
2 stopsAir New Zealand
32h 20mIAD-SYD
$1,045
1/22Wed
2 stopsAir New Zealand
27h 43mDCA-SYD
$1,045

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Last minute flights from Washington, D.C. to Sydney

Last minute flight, train and bus deals

 
These last-minute flight deals are the cheapest flights found on KAYAK in the last 72 hours for flights from Washington, D.C. to Sydney that are departing in the next 10 days.
11/25Mon
multi-stopQantas Airways
23h 30mDCA-SYD
11/27Wed
multi-stopQantas Airways
20h 38mSYD-DCA
$895
11/23Sat
multi-stop
23h 30mDCA-SYD
11/25Mon
multi-stop
25h 44mSYD-DCA
$952
11/24Sun
multi-stopAmerican Airlines
30h 45mDCA-SYD
11/27Wed
multi-stopAmerican Airlines
23h 15mSYD-DCA
$1,422
11/24Sun
multi-stopAmerican Airlines
23h 55mDCA-SYD
11/27Wed
multi-stopAmerican Airlines
23h 15mSYD-DCA
$1,431
11/26Tue
multi-stopAir New Zealand
31h 45mIAD-SYD
12/10Tue
multi-stopAir New Zealand
20h 15mSYD-IAD
$1,602
11/23Sat
multi-stopAir New Zealand
25h 05mIAD-SYD
12/9Mon
multi-stopAir New Zealand
27h 17mSYD-IAD
$1,622
11/26Tue
multi-stopUnited Airlines
23h 05mIAD-SYD
12/10Tue
multi-stopUnited Airlines
26h 21mSYD-IAD
$1,808
11/23Sat
multi-stopUnited Airlines
23h 15mIAD-SYD
12/9Mon
multi-stopUnited Airlines
20h 15mSYD-IAD
$1,858
11/25Mon
multi-stopAir Canada
30h 35mDCA-SYD
12/2Mon
multi-stopAir Canada
34h 19mSYD-DCA
$1,894
11/25Mon
multi-stopAir Canada
30h 35mDCA-SYD
11/29Fri
multi-stopAir Canada
37h 37mSYD-DCA
$2,059

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Everything you need to know for your flight from Washington, D.C. to Sydney

Information on your arrival and departure airports

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