WAS - OSA

$446 Find Cheap Flights from Washington, D.C. to Osaka

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 Osaka departing on 4/27. 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
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Osaka

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Washington, D.C. to Osaka, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Washington, D.C. to Osaka, as well as popular online travel agencies
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Everything you should know

Cheapest round-trip
$1,039
Air Canada
Tue 9/22Thu 10/8
DCA - KIX • 2 stops
Cheapest one-way
$574
Multiple Airlines
Mon 4/27
DCA - KIX • 3 stops
Top airlines
Cheapest • from $1,039 (round-trip)
Best reviews • 8.4 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
Nonstop flights
Not available
There are currently no direct flights between Washington, D.C. and Osaka. You'll need at least 1 connection.
Insights
Insights
Insights
Insights
Top layover airports
Cheapest • Avg $716 (round-trip)
Shortest trip • 10h 53m (one-way)
Insights
Insights
Insights
Insights
When to travel
Cheapest • 20% price drop
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Osaka!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Washington, D.C. to Osaka (WAS-OSA)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Washington, D.C. to Osaka that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

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

Tue, Sep 22 - Thu, Oct 8
Air Canada Logo
8:40 pm - 4:25 pm
DCA
-
KIX
30h 45m
2 stops
Air Canada Logo
6:00 pm - 10:20 am
KIX
-
DCA
29h 20m
2 stops
$1,039Air Canada
Tue, Sep 22 - Thu, Oct 8
Air Canada Logo
6:59 am - 4:25 pm
DCA
-
KIX
20h 26m
1 stop
Air Canada Logo
6:00 pm - 10:20 am
KIX
-
DCA
29h 20m
2 stops
$1,040Air Canada
Wed, Sep 16 - Wed, Sep 23
Multiple Airlines Logo
9:45 am - 8:50 pm
IAD
-
KIX
22h 05m
2 stops
Multiple Airlines Logo
6:00 pm - 7:00 pm
KIX
-
IAD
38h 00m
2 stops
$1,059Multiple Airlines
Sun, Sep 27 - Wed, Oct 7
Multiple Airlines Logo
6:16 pm - 5:15 pm
BWI
-
KIX
33h 59m
2 stops
Multiple Airlines Logo
11:10 am - 6:21 am
KIX
-
BWI
32h 11m
2 stops
$1,322Multiple Airlines
Tue, Sep 22 - Thu, Oct 8
ANA Logo
12:30 pm - 7:25 am
BWI
-
ITM
29h 55m
2 stops
ANA Logo
2:00 pm - 8:57 pm
ITM
-
BWI
19h 57m
2 stops
$1,331ANA
Wed, Sep 30 - Wed, Oct 21
ANA Logo
8:15 am - 9:45 pm
BWI
-
UKB
24h 30m
2 stops
ANA Logo
7:05 am - 5:13 pm
UKB
-
BWI
23h 08m
2 stops
$1,366ANA
Tue, Sep 22 - Thu, Oct 8
Japan Airlines Logo
9:59 am - 8:30 pm
DCA
-
ITM
21h 31m
2 stops
Japan Airlines Logo
9:25 am - 4:13 pm
ITM
-
DCA
19h 48m
2 stops
$1,374Japan Airlines
Sun, Oct 4 - Tue, Oct 20
Japan Airlines Logo
9:59 am - 7:50 pm
DCA
-
ITM
20h 51m
2 stops
Japan Airlines Logo
4:35 pm - 10:57 pm
ITM
-
DCA
19h 22m
2 stops
$1,392Japan Airlines
Sat, Aug 1 - Sat, Aug 15
United Airlines Logo
6:59 pm - 5:05 pm
BWI
-
ITM
33h 06m
2 stops
United Airlines Logo
12:50 pm - 11:45 am
ITM
-
BWI
35h 55m
3 stops
$1,573United Airlines
Sun, Sep 6 - Wed, Sep 9
United Airlines Logo
6:15 am - 5:05 pm
BWI
-
ITM
45h 50m
2 stops
United Airlines Logo
12:50 pm - 1:57 pm
ITM
-
BWI
38h 07m
2 stops
$1,617United Airlines
Booking Insights

KAYAK's insights & trends for Washington, D.C. to Osaka flights

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

How much is a round-trip flight from Washington, D.C. to Osaka?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Washington, D.C. to Osaka departing in September.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Washington, D.C. to Osaka, 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 Osaka is January, where tickets cost $1,072 (return) on average. On the other hand, the most expensive months are May and December, where the average cost of round-trip tickets is $1,644 and $1,559 respectively.

Good to know

Low seasonFebruary
Cheapest flight$574
Best time to beat the crowds with an average 10% drop in price.
Most popular time to fly with an average 9% increase in price.
Flight from Reagan Washington National Airport to Osaka Kansai Intl

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

Are your dates flexible? Find out the best times to travel from Washington, D.C. to Osaka 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 Osaka

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

    In the last 3 days, the lowest price for a flight from Washington, D.C. to Osaka was $446 for a one-way ticket and $1,039 for a round-trip.

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

    Yes

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

    There are 2 airports in Washington, D.C. (Washington, D.C. Reagan-National and Washington, D.C. Dulles Intl) and 2 airports in Osaka (Osaka Itami and Osaka Kansai Intl). The cheapest flights are generally found on the Reagan Washington National Airport to Osaka Kansai Intl flight route.

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

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

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

    Star Alliance is the only airline alliance operating flights between Washington, D.C. and Osaka.

  • Which is the best airline for flights from Washington, D.C. to Osaka, ANA or Japan Airlines?

    The two airlines most popular with KAYAK users for flights from Washington, D.C. to Osaka are ANA and Japan Airlines. With an average price for the route of $1,427 and an overall rating of 8.4, ANA is the most popular choice. Japan Airlines is also a great choice for the route, with an average price of $1,226 and an overall rating of 8.3.

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

    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 Osaka.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Osaka 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 Osaka?

    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 Osaka 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 Osaka?

    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 Osaka from Washington, D.C. up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top 4 airlines serving from Washington, D.C. to Osaka

 
See real verified KAYAK customer reviews for airlines flying from Washington, D.C. to Osaka. 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 Osaka? 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.
8.4
ANAOverall score based on 1187 reviews
8.0Entertainment
8.2Comfort
8.5Boarding
7.8Food
8.7Crew
Airline reviews

Crew was fantastic. Seats were not completely lay flat but still comfortable to watch a show. International food was lobster which was very big but a little tough. The scallop appetizer was delicious. Loved the individual air conditioning vent at each seat. Flight overall was very smooth and very good.

8.0 Excellentmichael, Apr 2026
BKK - HND
Read more ANA reviews

Crew was fantastic. Seats were not completely lay flat but still comfortable to watch a show. International food was lobster which was very big but a little tough. The scallop appetizer was delicious. Loved the individual air conditioning vent at each seat. Flight overall was very smooth and very good.

Staff was friendly but couldn't find way to track them down during flight. Food tried to be gourmet but was just too unusual. Business class seats were hard. Even sitting on the pillow, was still painful. Have to give them credit for on-time flights and decent gate area.

Flight was excellent. Transfer from one airport to another airport for a connecting flight was difficult and stressful.

Overall good except the checkin process at Bangkok airport. Can ANA explain why the line for business class is longer than that for economy? I, BC passenger, had to move from BC line to economy line to get faster service.

Matsuyama to Tokyo is basically a puddle jumper flight, so it was as good as one should expect. No meal, no entertainment, and none expected.

The staff is amazing, I cannot stress that enough! The food is really good and snacks at stations to take for yourselves. Economy seating is fine, not the most comfortable, but our friends in Premium Economy said they were very comfortable! Decent entertainment options, but being built in, you have to use their cheap headsets unless you have your own plug in ones. I only have Bluetooth earbuds.

Seats were extremely cramped even for economy. Food was atrocious. Crew was fine but no follow up, additional drinks offered etc. For a 14 hour flight I expected more.

Boarding was good. Inflight service was good. Alcoholic drinks could have been served free.

Suite lounge in Honolulu is the best lounge in Honolulu. I love the huge bathrooms in ANA first Class on the A380 Honu plane. Japanese meal was outstanding and service was amazing. Everything was just excellent. Can’t wait to fly again

The bed / seat was very hard , not at all comfortable for an 11 hr flight .. food was strange , never have I eaten roast chicken and mash potatoes for breakfast!! Very odd

Overall, a solid flight experience. Boarding was quick and efficient, even with a full and overbooked flight. The flight crew did a great job providing attentive and friendly service throughout. I flew in economy, and while the seats were acceptable, they could definitely use more cushioning, especially for a 14-hour flight. By the end, it was quite uncomfortable to remain seated. Legroom was also limited, particularly with a bag stored under the seat and the passenger in front reclining. That said, everything else went smoothly, and I appreciated the professionalism of the crew.

The flight was delightful overall. The check-in and boarding were on smooth and on time. Amenities and staffs were elevated. However, if glasses were served instead of cups, there should be a complete premium.

Sure I would’ve liked a little more space, but it was better than economy. I bring my own food because I have food allergies it would be nice if they offered larger salads or more vegetables instead of starch it was really a good flight. I don’t wanna complain. I’m grateful to fly at all safely. Thank you to the pilots.

Flight crews are very attentive and polite. Cabin and toilets are clean. Food is above average for economy class. We missed our connecting flights because the first flight was delayed, the ground crews at Tokyo were very helpful, providing all the information and support (including cash for our train ticket) to get us to our destination. Very impressive. No wonder they are always at the top ten lists.

Excellent! So happy that the crew members were so helpful and friendly and able to understandably communicate. They’re very receptive with someone like me, with disability. I love that I did not even have to ask for luggage help like, having to place and take down my carry-on luggage in and out of the over-head compartment. Hope, help is extended to disabled passenger(s) through out class classifications they’ve bought; economy or business class it might be. As a disabled person myself, I’m truly of great appreciation of this kind of help. Means a lot !!! Thank you so very much JAL crew. You out done others on this customer service part of the trip. Please continue to do so. From now on, I’ll choose JAL as my airline whenever I have to fly to any southeast asian countries. And I will disseminate my excellent travel experience with you to others.

American Airlines food is horrible. Also, paid to fly JAL on all segments, but received a much lower quality. I was disappointed to learn that we would be using American Airlines on this flight, which has less comfort, entertainment, choices, and lower standard of service. Overall not satisfied.

Food was very mediocre. Economy is pretty uncomfortable. Crew was excellent and responsive.

Not as good as I expected, I couldn't use the screen to watch movies or anything else because it wasn't 'STEADY' AT ALL, it moved every single time that the passenger who sat on that seat moved, that caused me fell dizzy and nauseous when I tried to use it, so I ended up with only sleeping and eating with no entertainment all my haul flight on premium economy seat, plus the passenger who sat next to me, she just loved to spread her very long hair down on my shoulder, face, arm, sometimes her hair just whacked my face till I really wanted to offer her my hairband!, super annoying 😑 and that my bad experience with that flight.

My plans changed and I tried to cancel or change the flight for credit but was giving the run around and denied . Not great

I was so hungry , from Boston to Tokyo, only 2 big food .

Vegetarian selection could be better. Bread was too hard to chew.

Crew was friendly and competent. Food, wine, and entertainment were excellent except the raw tuna on the flight to Split. Recommend against serving that - at least as the only option. Many medical conditions do not allow people to eat raw fish.

After arriving in Chicago, we were taxiing for 1.5 hours with infrequent and untruthful updates about the amount of time it would take to arrive at the gate. Minimally, the team could have provided timing expectations that were more truthful, especially one their original expectations were not met.

United didn’t even try to hold the flight for me. They knew I had a tight connection and when I arrived at the gate less than 10 mins after final boarding the flight had already gone. The gate agent wasn’t even notified that I was on my way. She was told I wasn’t at the airport

Good quick flight on a small but comfortable plane. I'm 6'3 and had plenty of space.

The flight was delayed so we were dead tired, and after that the turbulence was horrible. I was very scared.

Wonderful. Quick boarding. Early departure and we arrived 30 minutes early at our destination. Unfortunately, when you arrive early, there is still a departing aircraft at our gate. We had to park for 30 minutes until the gate was clear. So our early arrival was not really early at the gate. Otherwise it was a quick and smooth flight. Appreciated the efficiency.

Wifi took a while to kick in and we had a maintenance issue that took over 40 mins at the gate in Washington before pulling back

Very good. Because of the delays with my previous flight, I missed my connection, but I was able to book another flight through the United app easily.

Was happy we finally got upgraded in 1st class. The seat getting old. The cushiness need some improvement.

Flight home was delayed multiple times, did not get home until 2am

The plane was very cramped to point there was no way not to touch person beside you and a stewardess screamed at my son when I touched her arm to get her attention to let her know she forgot to give him his dinner when she passed him and gave a dinner to passenger behind him. Very inappropriate response and She never came back to apologize and other stewardess said she was sorry “if I felt” she was inappropriate. Horrible experience and she should be reprimanded for her behavior

I checked a bag and there was only one agent to assist all customers with any issues.

Everything went smoothly — on-time departure and very organized boarding. We pre-ordered vegan meals, which were fine but not especially memorable. We may have had slightly higher expectations given it was a Japanese airline. It felt like a dinner meal than a breakfast. Overall, it was a good flight experience and we would recommend it.

This flight with a lot empty place , and I have more room, feeling comfortable.

Super experience. Earlier than schedule departure and arrival. Baggage handling was very good

Snacks were just placed and many people were hungry and unaware they were available. Ran out of water bottles. Attendants not available. Missed entire meal.

The cabin crew was professional and there were plenty of movie choices, but the food was a bit sub-standard.

Plane left an hour late, I missed my connection and my bow case was never even loaded on the plane in VA. I deal with this type of nonsense everytime I fly air canada.

Check in agent was very helpful and polite. He helped me board the earlier flight back home instead of waiting 2 hours at the airport for the next flight

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

Cabin class types available on flights from Washington, D.C. to Osaka

Cabin classes available on flights from Washington, D.C. to Osaka. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.