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IAD - EYW

$193 Find cheap flights from Washington Dulles Airport to Key West

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Dulles Intl to Key West departing on 7/24. 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
Sat 6/29
Sat 7/6

Search hundreds of travel sites at once for deals on flights to Key West

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Washington, D.C. to Key West, 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 Key West, as well as popular online travel agencies
In the last 7 days travelers have searched 42,686,544 times on KAYAK, and here is why:

Save 21% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Filter your dealsChoose cabin class, free Wi-Fi and more.

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Cheap flight deals from Dulles Intl to Key West (IAD-EYW)

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Dulles Intl to Key West 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 and deals for you by selecting your travel dates.
Choose your dates
7:05 am - 1:22 pmIAD-EYW
6h 17m1 stop
7:23 am - 2:04 pmEYW-IAD
6h 41m1 stop
$228Delta
Find Deal
Fri, Jul 5 - Wed, Jul 10
7:05 am - 11:48 amIAD-EYW
4h 43m1 stop
2:30 pm - 9:40 pmEYW-IAD
7h 10m1 stop
$243Delta
Find Deal
Fri, Jul 5 - Wed, Jul 10
3:00 pm - 7:33 pmIAD-EYW
4h 33m1 stop
7:00 am - 11:57 amEYW-IAD
4h 57m1 stop
$273Delta
Find Deal
Fri, Sep 13 - Tue, Sep 17
11:06 am - 5:08 pmIAD-EYW
6h 02m1 stop
2:30 pm - 9:40 pmEYW-IAD
7h 10m1 stop
$303Delta
Find Deal
Wed, Aug 14 - Sat, Aug 17
8:30 am - 2:09 pmIAD-EYW
5h 39m1 stop
11:20 am - 11:25 amEYW-IAD
24h 05m1 stop
$341United Airlines
Find Deal
Sun, Jul 28 - Fri, Aug 2
5:55 pm - 2:35 pmIAD-EYW
20h 40m1 stop
11:20 am - 11:25 amEYW-IAD
24h 05m1 stop
$351United Airlines
Find Deal
Sat, Jul 13 - Wed, Jul 17
10:15 pm - 4:08 pmIAD-EYW
17h 53m2 stops
9:57 am - 11:35 amEYW-IAD
25h 38m2 stops
Thu, Jun 27 - Mon, Jul 1
10:15 pm - 4:08 pmIAD-EYW
17h 53m2 stops
9:57 am - 11:35 amEYW-IAD
25h 38m2 stops
Thu, Jun 27 - Mon, Jul 1
9:24 am - 3:54 pmIAD-EYW
6h 30m1 stop
11:05 am - 7:40 pmEYW-IAD
8h 35m2 stops
$420American Airlines
Find Deal
Fri, Jul 5 - Wed, Jul 10
9:14 am - 2:08 pmIAD-EYW
4h 54m1 stop
2:47 pm - 7:43 pmEYW-IAD
4h 56m1 stop
$425American Airlines
Find Deal
Thu, Aug 29 - Sun, Sep 1

Flights from Dulles Intl to Key West - Travel Insights & Trends

Get data-powered insights and trends into flights from Dulles Intl to Key West 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 Dulles Airport to Key West?

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

What is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Key West?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from Washington, D.C. Dulles Intl Airport to Key West, 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. Dulles Intl Airport to Key West is January, where tickets cost $287 on average. On the other hand, the most expensive months are November and October, where the average cost of tickets is $543 and $511 respectively.

How far in advance should I book a flight from Washington, D.C. Dulles Intl Airport to Key West?

To calculate daily average prices, KAYAK takes all prices for each day before departure over the last year for flights from Washington, D.C. Dulles Intl Airport to Key West, 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. Dulles Intl Airport to Key West, you should book around 1 week before departure. For the absolute cheapest price, our data suggests you should book 71 days before departure.

Which airlines provide the cheapest flights from Washington Dulles Airport to Key West?

The cheapest price for the route for each airline clicked by KAYAK users in the last 72 hours.
In the last 3 days, United Airlines offered the best one-way deal for that route, at $193. KAYAK users also found Washington Dulles Airport to Key West round-trip flights on Delta from $228 and on United Airlines from $341.

Which cabin class options are there for flights between Washington, D.C. Dulles Intl Airport and Key West?

The average price of flights for each cabin class for the route found by users searching on KAYAK over the last 2 weeks.
There are 3 cabin class options for the route. These are Business, Economy and Prem Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

Good to know

Low season

August

High season

February

Cheapest flight

$193
Best time to beat the crowds but there is an average 9% increase in price.
Most popular time to fly and prices are also 7% lower on average.
Flight from Washington Dulles Airport to Key West

When to book flights from Dulles Intl to Key West

Are your dates flexible? Find out the best times to travel from Dulles Intl to Key West 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 Washington Dulles Airport to Key West flights

  • What is the cheapest flight from Washington, D.C. Dulles Intl Airport to Key West?

    In the last 3 days, the lowest price for a flight from Washington, D.C. Dulles Intl Airport to Key West was $193 for a one-way ticket and $228 for a round-trip.

  • Do I need a passport to fly between Washington Dulles Airport and Key West?

    A passport is not required to fly from Washington Dulles Airport to Key West.

  • Which airlines offer Wi-Fi service onboard planes from Washington Dulles Airport to Key West?

    American Airlines, JetBlue, and Alaska Airlines offer inflight Wi-Fi service on the Washington Dulles Airport to Key West flight route.

  • Which aircraft models fly most regularly from Washington Dulles Airport to Key West?

    The Boeing 737-700 is the aircraft model that flies most regularly on the Washington Dulles Airport to Key West flight route.

  • Which airline alliances offer flights from Washington Dulles Airport to Key West?

    Star Alliance, SkyTeam, and oneworld are the airline alliances operating flights between Washington Dulles Airport and Key West, with SkyTeam being the most commonly used for this route.

  • Which is the best airline for flights from Washington, D.C. to Key West, Delta or United Airlines?

    The two airlines most popular with KAYAK users for flights from Washington, D.C. to Key West are Delta and United Airlines. With an average price for the route of $392 and an overall rating of 8.0, Delta is the most popular choice. United Airlines is also a great choice for the route, with an average price of $389 and an overall rating of 7.4.

  • How does KAYAK find such low prices on flights from Washington Dulles Airport to Key West?

    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 Dulles Airport to Key West.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington Dulles Airport to Key West?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Key West from Washington Dulles Airport 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 Dulles Airport to Key West?

    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 Key West with an airline and back to Washington Dulles Airport with another airline. Booking your flights between Washington Dulles Airport and EYW can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington Dulles Airport to Key West?

    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 Key West from Washington Dulles Airport up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Top 3 airlines serving from Dulles Intl to Key West

 
See real verified KAYAK customer reviews for airlines flying from Washington, D.C. to Key West. 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 Dulles Intl to Key West? 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
DeltaOverall score based on 10457 reviews
7.9Comfort
8.6Crew
8.2Boarding
8.0Entertainment
7.4Food
Airline reviews

Awful. Flight was continuously getting delayed and gates kept changing without any reason. Flight was delayed for more then 3 hours

2.0 MediocreNairan, May 2024JFK - FLL
Read more about Delta reviews

Awful. Flight was continuously getting delayed and gates kept changing without any reason. Flight was delayed for more then 3 hours

5-hour delay due to storms in Tanoa and airspace restricted by Miami traffic controllers.

I would fly again the whole experience was great. The only feed back I can give that they don't do that American Airlines does is the crew there is more humorous with boarding and thank their passengers. It makes it more fun to fly with them. I would however fly Delta again.

Horrible. This was not first class. This was a connecting flight whi h was late. My original flight never came. I hated the fact that delta gave me a connecting flight from New York to Orlando Florida. No meals and the television screens were not working. There wasn't even any power to charge your phones. This is NOT FIRST CLASS DELTA!!! Do better next time!

They did a fine job. Can't wait to use Delta in the future.

Seat back monitors and outlets were dead and not working.

The experience was good and the flight departed on time and landed early

The flight was delayed but we got to our final destination.

public website still broken for years randomly blocking browsers with privacy options active after loading a page maybe once. check-in on laptop was almost impossible but eventually randomly worked. had to print pass at airport since couldn't get back in to load digital pass on mobile firefox or chrome. red eye flight so smooth onboarding, plenty of room to spread out, easy offboarding. onboard wifi instructions mention vpn can cause problems connecting but fails to also mention private dns. no printed or built in menu list, seems weird to require personal device to point at qr code link for menu which does not even allow direct ordering. people with health condition risk related dietary restrictions trying to avoid for example cholesterol and sugar are left guessing what they can order either way without nutritional info highlights (cranberry juice was minute maid cocktail with as much suger as typical can of soda). tap to pay wasn't working and always seems sketchy to manually enter card info. good movie variety, so limited tv was okay.

Boarding super slow with people allowed to linger in aisles

We ended up with seats in the very back. So they did not recline. Have no idea why, we reserved and checked in very early. The isles were very narrow and the seats had very little leg room. But they did give us water, and a snack.

Should have video screens Plane audio was poor and without wired connection hard to understand crew. Should serve more than just cups of water and pretzels on six hour flight. Did not see crew rest of flight. Fix charging sockets to retain charging blocks.

they made me check my carryon. There was space in the overhead bins.

The plane was delayed 2 hours. The wifi did not work. The seat in first class was not comfortable because the bottom felt like it lost all of its padding. And I did not like when the flight attendant made me wait at my seat to use the bathroom and didn't tell me why. If there were too many people using the 1st Class bathroom, she should have told me to go in the back, coach bathrooms. I guess I have to feel fortunate that they found 2 local pilots to still fly the plane tonight after the original pilots ended up at an airport 60 miles away due to high winds.

The crew were really great, but the 4 hour delay in small chunks was the worst.

Just a crappy airline. The same every time. You feel you are a cow on a farm. You are being being whipped and pulled.

Wasn’t very crowded. Seamless processes. No issues traveling with two little kids.

My interaction with the flight attendent Eve was horrible. I was seated in 3F and was blown away watching her repeatedly skip me as she took other customer orders for lunch...she took the customer next to me but skipped me, then took everyone's order around me (in front of and behind me) . After she had taken every customer's orders to include those behind me, she came to me and said we are out of everything except one last item. I was mortified, in that, I am a 1k flyer, had pre-ordered AND as an African American could only assume why she repeatedly skipped me...mortified. no words

The Flight was good, pilot seemed very skillful. My wheel chair sister who could barely walk was allotted the second last seat in the aircraft, with great difficulty she managed to reach on her seat, as she required attendance we were given separate seat, even on request no one cared, so much so there were single passengers who were given twin seats. May not be taken as complaint but a reminder to the checkin staff to keep in mind in future the allottment of wheel chair passengers seats.

Almost 2 hour delay in boarding with all standing ready to board at original time. No explanation given.

AA1537 the AC was not working properly. It was very hot and uncomfortable.

Overall the flights pretty good. The snacks we’re good and they were plenty of them. Both boarding and deplaning went quickly.

We sat on the plane for 1 hour because the airline was short handed could not be unloading.

Delayed abs delayed Gate crew giving poor info - we are definitely leaving at —- Ultimately to cancel flight after 4+ hours of delays Just cancel it earlier

The flight was scheduled to depart DCA at 12:30 pm but was delayed twice on the ground so that we were finally scheduled to depart at around 4:00 pm. Once we boarded, it was announced that takeoff would be delayed again to fix a hydraulic problem which delayed our eventual takeoff until around 5:00 pm. Once we departed, it was a smooth flight back to ORD. We did not get any explanation about what caused the original significant delay. In my experience, this happens frequently with AA.

Lots of weather delays that were poorly communicated and managed. I get there are weather delays but they didn’t make it clear what was happening or comfortable on the plane

Everything was on time; the flight attendants and the gate personnel were very pleasant and helpful.

Our second leg to Jackson WY was unable to land due to weather. We were flown back to Dallas after stopping in SLC. We were given hotel rooms and vouchers. We were told that we would be back on the same plane in the morning. Instead we were given a different flight with different seats. Not a good experience. No one knew what was going on.

Perfect flight. On time departure and early arrival. Smooth flight.

Awful! The flight was delayed and we sat on the plane in DCA for an hour because fuel was out in the wrong part of the plane and would not be accessible during flight. So the plane had to be refueled in correct tank. They also allowed someone to get off of the plane. This delayed my six hour flight by an hour and made me miss my connecting flight. I ran to new gate and American Airlines agents new about the delay and even knew that I was trying to make the connection. They knew thru communication with my friend while in flight that I was in the airport and running to the new gate and they still closed the gate and refused to let me on the new flight despite plane still being at the gate. It was horrible and I had to be rebooked on a flight for 24 hours later. This has been a nightmare and if American Airlines can cause customers to be delayed and then have zero empathy as having an on time flight was more important to them than helping a customer who was delayed by no fault of her own, then it's seems that it's not a company that I want to continue to give my loyalty to. I'm so disgusted.

Book cheap flights from Washington, D.C. to Key West

Recent one-way flight deals

 
Only flying one-way? Below are some of the best one-way flight deals from Washington, D.C. to Key West found on KAYAK in the last 72 hours.
7/24Wed
1 stopUnited Airlines
20h 40mIAD-EYW
$193
6/21Fri
1 stopDelta
7h 05mIAD-EYW
$234
6/19Wed
1 stopUnited Airlines
5h 40mIAD-EYW
$274
7/24Wed
2 stopsUnited Airlines
8h 35mIAD-EYW
$280
8/9Fri
2 stopsUnited Airlines
10h 20mIAD-EYW
$323
6/19Wed
2 stopsUnited Airlines
22h 28mIAD-EYW
$394
6/21Fri
2 stopsUnited Airlines
20h 20mIAD-EYW
$427
7/24Wed
1 stopDelta
7h 03mIAD-EYW
$509
7/24Wed
2 stopsUnited Airlines
15h 44mIAD-EYW
$1,071

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Last minute flights from Dulles Intl to Key West

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 Key West that are departing in the next 10 days.
6/4Tue
multi-stopDelta
7h 13mIAD-EYW
6/12Wed
multi-stopDelta
5h 40mEYW-IAD
$298
6/4Tue
multi-stopDelta
4h 41mIAD-EYW
6/12Wed
multi-stopDelta
5h 40mEYW-IAD
$343
6/1Sat
multi-stopDelta
4h 48mIAD-EYW
6/5Wed
multi-stopDelta
5h 45mEYW-IAD
$383
5/31Fri
multi-stopUnited Airlines
5h 34mIAD-EYW
6/4Tue
multi-stopUnited Airlines
7h 09mEYW-IAD
$428
6/4Tue
multi-stopUnited Airlines
5h 30mIAD-EYW
6/10Mon
multi-stopUnited Airlines
23h 58mEYW-IAD
$441
6/4Tue
multi-stopUnited Airlines
9h 11mIAD-EYW
6/10Mon
multi-stopUnited Airlines
23h 58mEYW-IAD
$446
6/4Tue
multi-stopUnited Airlines
13h 21mIAD-EYW
6/12Wed
multi-stopUnited Airlines
29h 04mEYW-IAD
$451
6/4Tue
multi-stopUnited Airlines
6h 40mIAD-EYW
6/10Mon
multi-stopUnited Airlines
7h 09mEYW-IAD
$463
6/4Tue
multi-stopUnited Airlines
9h 11mIAD-EYW
6/10Mon
multi-stopUnited Airlines
7h 09mEYW-IAD
$468
5/31Fri
multi-stopAmerican Airlines
10h 16mIAD-EYW
6/4Tue
multi-stopAmerican Airlines
8h 13mEYW-IAD
$597

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Washington Dulles Airport - Key West Flights

Departure:

Washington Dulles Airport (IAD)United States

Destination:

Key West (EYW)United States

Return flight deals:

Key West - Washington Dulles Airport

Cabin classes:

$917
$1,104
$780
$288