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Key West

$72+ Cheap flights from Washington, D.C. (WAS) to Key West (EYW)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/23. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — EYW
Apr 29 — May 61
Wed 4/29
Wed 5/6
1 adult, Economy
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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Washington, D.C. to Key West are usually found in September or January, booked 16 days in advance, depart on a Tuesday or Wednesday and return on a Thursday

Cheap flight deals from Washington, D.C. to Key West

Cheapest flights from Washington, D.C. to Key West
Explore the most affordable flight options available from Washington, D.C. to Key West. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 30, 2026.

This Kiwi.com deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/25:45 pm
BWI
-
EYW
1 stop19h 34m
Multiple Airlines
Thu 5/71:57 pm
EYW
-
BWI
1 stop19h 18m
Multiple Airlines
Deal found 3/26$178
This Kiwi.com deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/255:45 pm
BWI
-
EYW
1 stop15h 21m
Multiple Airlines
Thu 4/302:09 pm
EYW
-
BWI
1 stop26h 41m
Multiple Airlines
Deal found 3/26$192
This Kiwi.com deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/185:45 pm
BWI
-
EYW
1 stop15h 21m
Multiple Airlines
Thu 4/309:46 am
EYW
-
BWI
1 stop8h 40m
Multiple Airlines
Deal found 3/29$194
This Kiwi.com deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/255:45 pm
BWI
-
EYW
1 stop15h 21m
Multiple Airlines
Tue 4/281:01 pm
EYW
-
BWI
2 stops11h 43m
Multiple Airlines
Deal found 3/26$199
This Kiwi.com deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/285:35 pm
BWI
-
EYW
1 stop17h 36m
Multiple Airlines
Fri 5/11:06 pm
EYW
-
BWI
1 stop7h 45m
Multiple Airlines
Deal found 3/27$200
This Kiwi.com deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/269:10 pm
BWI
-
EYW
1 stop15h 16m
Multiple Airlines
Thu 4/309:46 am
EYW
-
BWI
1 stop10h 40m
Multiple Airlines
Deal found 3/25$204
This Kiwi.com deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/118:39 pm
BWI
-
EYW
1 stop12h 27m
Multiple Airlines
Fri 4/171:06 pm
EYW
-
BWI
1 stop27h 44m
Multiple Airlines
Deal found 3/25$206
This Kiwi.com deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/25:45 pm
BWI
-
EYW
1 stop15h 21m
Multiple Airlines
Wed 5/611:46 am
EYW
-
BWI
2 stops11h 11m
Multiple Airlines
Deal found 3/28$208
This Kiwi.com deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/172:01 pm
IAD
-
EYW
1 stop20h 10m
Multiple Airlines
Fri 5/227:22 pm
EYW
-
IAD
2 stops15h 59m
Multiple Airlines
Deal found 3/29$301
This Kiwi.com deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/2512:24 pm
IAD
-
EYW
1 stop24h 10m
Multiple Airlines
Mon 6/12:51 pm
EYW
-
IAD
2 stops25h 30m
Multiple Airlines
Deal found 3/29$302
This Kiwi.com deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/167:27 pm
IAD
-
EYW
1 stop15h 58m
Multiple Airlines
Fri 5/2212:07 pm
EYW
-
IAD
1 stop6h 35m
Multiple Airlines
Deal found 3/29$303
This Kiwi.com deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/21:38 pm
IAD
-
EYW
1 stop21h 49m
Multiple Airlines
Fri 8/77:27 pm
EYW
-
IAD
2 stops15h 54m
Multiple Airlines
Deal found 3/26$306

Find flight deals from Washington, D.C. to Key West

Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) to Key West (EYW). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 30, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$178
(Kiwi.com)

One-way from

$72
(Kiwi.com)

Popular in

November

Cheapest in

September

Average price

$490

Good round-trip deal

$350 or less

Good one-way deal

$233 or less
Provider with most accurate pricing for Washington, D.C. (WAS)-Key West flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Key West flights.
Search Deals
From Washington, D.C. (WAS) to Key West
Search Deals
One-way flight from Washington, D.C. (WAS) to Key West
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($14 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
Price to beat on a round-trip flight from Washington, D.C. (WAS) to Key West.
Search Deals
Price to beat on a one-way flight from Washington, D.C. (WAS) to Key West.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington, D.C. to Key West that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 30, 2026.
Use the filters below to find and compare flights from Washington, D.C. to Key West that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Key West

IAD - EYW

IADEYW

Washington, D.C. Dulles Intl

Sat 5/2

3:00 pm-7:40 pm

1 stop4h 40m

Key West

Thu 5/7

6:19 pm-12:51 am

1 stop6h 32m

$309

Washington, D.C.Key West

IAD - EYW

IADEYW

Washington, D.C. Dulles Intl

Thu 4/23

12:37 pm-7:40 pm

1 stop7h 03m

Key West

Sat 4/25

7:33 am-2:05 pm

1 stop6h 32m

$334

BaltimoreKey West

BWI - EYW

BWIEYW

Baltimore/Washington

Wed 6/24

8:17 am-1:28 pm

1 stop5h 11m

Key West

Tue 6/30

1:18 pm-6:33 pm

1 stop5h 15m

$351

Washington, D.C.Key West

IAD - EYW

IADEYW

Washington, D.C. Dulles Intl

Sat 4/25

3:00 pm-7:40 pm

1 stop4h 40m

Key West

Tue 4/28

6:23 pm-12:42 am

1 stop6h 19m

$356

BaltimoreKey West

BWI - EYW

BWIEYW

Baltimore/Washington

Tue 6/9

11:54 am-5:29 pm

1 stop5h 35m

Key West

Wed 6/17

7:45 am-1:03 pm

1 stop5h 18m

$376

BaltimoreKey West

BWI - EYW

BWIEYW

Baltimore/Washington

Fri 8/21

6:00 am-10:58 am

1 stop4h 58m

Key West

Sat 8/29

1:20 pm-6:52 pm

1 stop5h 32m

$378

Washington, D.C.Key West

IAD - EYW

IADEYW

Washington, D.C. Dulles Intl

Fri 4/17

8:23 am-5:39 pm

1 stop9h 16m

Key West

Mon 4/20

6:22 pm-9:25 pm

Nonstop3h 03m

$392
Quickest round-trip

Washington, D.C.Key West

IAD - EYW

IADEYW

Washington, D.C. Dulles Intl

Thu 4/9

6:01 am-10:48 am

1 stop4h 47m

Key West

Tue 4/14

11:45 am-4:31 pm

1 stop4h 46m

$409

Washington, D.C.Key West

DCA - EYW

DCAEYW

Washington, D.C. Reagan-National

Sat 6/13

6:00 am-10:56 am

1 stop4h 56m

Key West

Tue 6/16

11:58 am-7:48 pm

1 stop7h 50m

$416

Washington, D.C.Key West

DCA - EYW

DCAEYW

Washington, D.C. Reagan-National

Wed 6/10

10:15 am-5:29 pm

1 stop7h 14m

Key West

Mon 6/15

2:24 pm-9:46 pm

1 stop7h 22m

$416

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/25

Showing 1-10 of 58 resultsSorted by cheapest first
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Compare providers for flights from Washington, D.C. to Key West

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Washington, D.C. to Key West in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Washington, D.C.-Key West flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C.-Key West flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C.-Key West flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C.-Key West flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C.-Key West flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Washington, D.C. to Key West

Have a flexible travel schedule? Discover the best time to fly to Key West from Washington, D.C. with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. to Key West

How far ahead should I book a flight from Washington, D.C. to Key West?

Use this chart to determine the optimal time to book a round-trip flight from Washington, D.C. to Key West. Price data was last updated on March 13, 2026.

Booking 16 days in advance of your planned departure date is, on average, the best time to get cheap flights from Washington, D.C. to Key West. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Washington, D.C. to Key West?

Currently, July is the cheapest month in which you can book a flight from Washington, D.C. to Key West (average of $179). Flying from Washington, D.C. to Key West in March is currently the most expensive (average of $275). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from WAS to EYW?

Find hourly flight availability from Washington, D.C. to Key West. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 30, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Washington, D.C. to Key West as you normally would.

Weekly flight availability from Washington, D.C. to Key West

Explore weekly flight availability from Washington, D.C. to Key West. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated March 30, 2026.

The most flights from WAS to EYW are scheduled on a Monday (3 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (2 on average).

How much does it cost to fly round-trip from Washington, D.C. to Key West?

Reviews of airlines servicing Key West

Get insights into the airlines that provide service to Key West. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Key West. Reviews last updated March 30, 2026.
Peruse reviews from past customers who have flown with Delta,United Airlines, andAmerican Airlines from Washington, D.C. to Key West to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,359 reviews

Boarding

8.1

Overall

7.9

Comfort

7.9

Food

7.2

Entertainment

7.8

Crew

8.5

Reviews

1 / 20
2.0
Mediocre

Joseph,Aug 2023

MSP - MCO

Even if you have delta comfort plus, they will move your overhead bag. One of the perks for upgrading is that you have dedicated space for your carry on with comfort plus with delta. They moved my carry on luggage (3) compartments back and put in bags for other passengers that should have gone under their respective seats. When deboarding the plane, there was no help from anyone to retrieve my luggage back several rows. Delta is turning into pure garbage.
Delta
7.9
Good
8,359 reviews
Delta
7.9
Good
8,359 reviews

Boarding

8.1

Overall

7.9

Comfort

7.9

Food

7.2

Entertainment

7.8

Crew

8.5

Reviews

1 / 20
2.0
Mediocre

Joseph,Aug 2023

MSP - MCO

Even if you have delta comfort plus, they will move your overhead bag. One of the perks for upgrading is that you have dedicated space for your carry on with comfort plus with delta. They moved my carry on luggage (3) compartments back and put in bags for other passengers that should have gone under their respective seats. When deboarding the plane, there was no help from anyone to retrieve my luggage back several rows. Delta is turning into pure garbage.
United Airlines
7.4
Good
9,514 reviews
Delta
7.9
Good
8,359 reviews

Boarding

8.1

Overall

7.9

Comfort

7.9

Food

7.2

Entertainment

7.8

Crew

8.5

Reviews

1 / 20
2.0
Mediocre

Joseph,Aug 2023

MSP - MCO

Even if you have delta comfort plus, they will move your overhead bag. One of the perks for upgrading is that you have dedicated space for your carry on with comfort plus with delta. They moved my carry on luggage (3) compartments back and put in bags for other passengers that should have gone under their respective seats. When deboarding the plane, there was no help from anyone to retrieve my luggage back several rows. Delta is turning into pure garbage.
American Airlines
7.1
Good
11,530 reviews
Delta
7.9
Good
8,359 reviews

Boarding

8.1

Overall

7.9

Comfort

7.9

Food

7.2

Entertainment

7.8

Crew

8.5

Reviews

1 / 20
2.0
Mediocre

Joseph,Aug 2023

MSP - MCO

Even if you have delta comfort plus, they will move your overhead bag. One of the perks for upgrading is that you have dedicated space for your carry on with comfort plus with delta. They moved my carry on luggage (3) compartments back and put in bags for other passengers that should have gone under their respective seats. When deboarding the plane, there was no help from anyone to retrieve my luggage back several rows. Delta is turning into pure garbage.

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. to Key West. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Key West from Washington, D.C.?

    If you book a flight to Key West from Washington, D.C., you will be flying to Key West, which is the city’s only airport. Key West (EYW) is located 2.6 mi from the center of Key West. There are 2 flights from Washington, D.C. to Key West per day from 4 different airlines.

  • How long is the flight from Washington, D.C. to Key West?

    Airlines like Delta and United Airlines fly from Washington, D.C. to Key West in about 4h 40m. The time it takes to get you to your destination can typically vary by up to 4h 36m. Washington, D.C. and Key West are separated by a distance of 1025 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Washington, D.C. to Key West round-trip?

    Our cheapest airline available from Washington, D.C. to Key West is Delta. Our recent data shows that you can find tickets from as low as $179 on this airline. Additional options worth looking into are American Airlines and United Airlines, starting at $255 and $279 round-trip. Delta is 59% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the most popular routes from Washington, D.C. to Key West?

    Most travelers choose Washington, D.C. Dulles Intl - Key West, Washington, D.C. Reagan-National - Key West or Baltimore/Washington - Key West when deciding on the best route from Washington, D.C. to Key West.

  • What are the most reliable airlines from Washington, D.C. to Key West?

    Consider Mesa Airlines (90%), United Airlines (75%) or Republic Airways (67%) when booking your flight. These represent the most reliable airlines when flying from Washington, D.C. to Key West.

  • What are the cheapest flights from Washington, D.C. to Key West?

    On average you can expect to pay $396 for a flight from Washington, D.C. to Key West. The cheapest flight overall is $223 while the most popular route, (Washington, D.C. Dulles Intl - Key West) is currently priced at $166.

  • Can I find deals for flights from Washington, D.C. to Key West that include hotel bookings?

    Yes. In addition to deals on Washington, D.C. to Key West flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington, D.C. to Key West?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to Key West.

  • Can I find deals for business class flights from Washington, D.C. to Key West?

    Yes. Cheapflights offers flight deals from Washington, D.C. to Key West by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Washington, D.C. to Key West?

    Currently, July is the cheapest month in which you can book a flight from Washington, D.C. to Key West (average of $179). Flying from Washington, D.C. to Key West in March is currently the most expensive (average of $275). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top 4 airlines flying from Washington, D.C. to Key West

Discover the top 4 airlines that operate flights from Washington, D.C. to Key West. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 30, 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$105Average$367FlexibilityNo cancel feeOn-time65%
DeltaCheapest$179Average$528FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$255Average$477FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$279Average$473FlexibilityNo cancel feeOn-time69%

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