Key West

$100+ 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 5/25. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — EYW
Apr 20 — Apr 271
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Cheapflights Tip: The best prices from Washington, D.C. to Key West are usually found in January or February, booked 81 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

Cheap 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 April 15, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$251
(Delta)

One-way from

$109
(Delta)

Popular in

April

Cheapest in

January

Average price

$508

Good round-trip deal

$318 or less

Good one-way deal

$205 or less
Provider with most accurate pricing for Washington, D.C. (WAS)-Key West flight deals.
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Key West flights.
From Washington, D.C. (WAS) to Key West
One-way flight from Washington, D.C. (WAS) to Key West
Highest demand for flights based on searches. 3% potential increase in price ($15 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
Average for round-trip flights in April 2025
Price to beat on a round-trip flight from Washington, D.C. (WAS) to Key West.
Price to beat on a one-way flight from Washington, D.C. (WAS) to Key West.

Find 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 April 15, 2025.

This Delta deal was found by Cheapflights users on 4/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/131:52 pmBWI - EYW
1 stop6h 15mDelta
Wed 5/216:25 pmEYW - BWI
1 stop6h 23mDelta
Deal found 4/15$251
This American Airlines deal was found by Cheapflights users on 4/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/610:53 amBWI - EYW
2 stops7h 56mAmerican Airlines
Tue 5/135:24 pmEYW - BWI
1 stop4h 51mAmerican Airlines
Deal found 4/15$256
This Trip.com deal was found by Cheapflights users on 4/15. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1211:54 amBWI - EYW
1 stop6h 11mMultiple Airlines
Thu 5/158:45 amEYW - BWI
1 stop10h 07mMultiple Airlines
Deal found 4/15$266
This Delta deal was found by Cheapflights users on 4/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/34:00 pmDCA - EYW
1 stop4h 30mDelta
Wed 5/76:25 pmEYW - DCA
1 stop5h 18mDelta
Deal found 4/14$284
This Delta deal was found by Cheapflights users on 4/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/312:29 pmIAD - EYW
1 stop4h 48mDelta
Wed 5/76:25 pmEYW - IAD
1 stop5h 10mDelta
Deal found 4/14$284
This American Airlines deal was found by Cheapflights users on 4/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/296:33 amDCA - EYW
1 stop7h 06mAmerican Airlines
Thu 6/511:53 amEYW - DCA
Nonstop2h 51mAmerican Airlines
Deal found 4/14$288
This Mytrip deal was found by Cheapflights users on 4/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/2912:55 pmIAD - EYW
2 stops27h 43mMultiple Airlines
Sun 7/64:20 pmEYW - IAD
1 stop17h 03mMultiple Airlines
Deal found 4/15$308
This United deal was found by Cheapflights users on 4/14. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/1612:37 pmIAD - EYW
1 stop19h 23mUnited Airlines
Mon 7/212:45 pmEYW - IAD
1 stop25h 15mUnited Airlines
Deal found 4/14$343
This American Airlines deal was found by Cheapflights users on 4/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/179:03 amIAD - EYW
1 stop7h 13mAmerican Airlines
Tue 7/2212:50 pmEYW - IAD
1 stop6h 46mAmerican Airlines
Deal found 4/14$349
This United Airlines deal was found by Cheapflights users on 4/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/287:00 amDCA - EYW
1 stop5h 53mUnited Airlines
Sat 5/318:45 amEYW - DCA
2 stops12h 54mUnited Airlines
Deal found 4/15$375
This Mytrip deal was found by Cheapflights users on 4/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2910:11 amIAD - EYW
2 stops29h 11mAllegiant Air
Thu 6/55:32 pmEYW - IAD
2 stops20h 51mAllegiant Air
Deal found 4/14$376
This JetBlue deal was found by Cheapflights users on 4/14. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2811:00 amDCA - EYW
1 stop7h 05mJetBlue
Wed 4/308:45 amEYW - DCA
1 stop7h 15mJetBlue
Deal found 4/14$429

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 April 15, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Key West that are best for you.

Fly from

Washington, D.C.

Fly to

Key West

Route

Depart

Return

Price

BaltimoreKey West

BWI - EYW

BWIEYW

Baltimore/Washington

Tue 5/6

8:09 am-12:51 pm

1 stop4h 42m

Key West

Tue 5/13

5:24 pm-10:15 pm

1 stop4h 51m

$251

BaltimoreKey West

BWI - EYW

BWIEYW

Baltimore/Washington

Mon 5/12

1:52 pm-8:07 pm

1 stop6h 15m

Key West

Tue 5/20

6:25 pm-12:48 am

1 stop6h 23m

$255

BaltimoreKey West

BWI - EYW

BWIEYW

Baltimore/Washington

Mon 5/12

11:54 am-6:05 pm

1 stop6h 11m

Key West

Thu 5/15

8:45 am-6:52 pm

1 stop10h 07m

$266

Washington, D.C.Key West

DCA - EYW

DCAEYW

Washington, D.C. Reagan-National

Sat 5/3

4:00 pm-8:30 pm

1 stop4h 30m

Key West

Wed 5/7

6:25 pm-11:43 pm

1 stop5h 18m

$284

Washington, D.C.Key West

IAD - EYW

IADEYW

Washington, D.C. Dulles Intl

Sat 5/3

12:29 pm-5:17 pm

1 stop4h 48m

Key West

Wed 5/7

6:25 pm-11:35 pm

1 stop5h 10m

$284

Washington, D.C.Key West

DCA - EYW

DCAEYW

Washington, D.C. Reagan-National

Thu 5/29

6:33 am-1:39 pm

1 stop7h 06m

Key West

Thu 6/5

11:53 am-2:44 pm

Nonstop2h 51m

$288

Washington, D.C.Key West

IAD - EYW

IADEYW

Washington, D.C. Dulles Intl

Sun 6/29

12:55 pm-4:38 pm

2 stops27h 43m

Key West

Sun 7/6

4:20 pm-9:23 am

1 stop17h 03m

$308

Washington, D.C.Key West

IAD - EYW

IADEYW

Washington, D.C. Dulles Intl

Sat 5/3

9:10 am-6:46 pm

2 stops9h 36m

Key West

Wed 5/7

5:24 pm-12:02 am

1 stop6h 38m

$354

Washington, D.C.Key West

IAD - EYW

IADEYW

Washington, D.C. Dulles Intl

Sat 5/31

9:00 am-12:15 pm

2 stops27h 15m

Key West

Tue 6/3

8:45 am-11:14 am

1 stop26h 29m

$363

Washington, D.C.Key West

DCA - EYW

DCAEYW

Washington, D.C. Reagan-National

Wed 5/28

7:00 am-12:53 pm

1 stop5h 53m

Key West

Sat 5/31

8:45 am-9:39 pm

2 stops12h 54m

$375

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/14

Showing 1-10 of 26 results
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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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice 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 eDreams the most. eDreams 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 April 11, 2025.

Booking 81 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, August is the cheapest month in which you can book a flight from Washington, D.C. to Key West (average of $328). Flying from Washington, D.C. to Key West in March is currently the most expensive (average of $493). 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 April 15, 2025.

A simple way to save on the total cost of your ticket is to fly from Washington, D.C. to Key West in the afternoon. If you’re flexible enough to do this you can expect to save up to 40% on your trip compared to booking a flight in the evening.

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 April 15, 2025.

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

Rainfall in Key West by month

Plan your trip to Key West by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Key West ranges from 1.5 - 6.7 inches per month. September is typically the wettest month, when rainfall can reach 6.7 in. February is typically the driest time to visit Key West when rainfall is around 1.5 in.

Temperature in Key West by month

Plan your trip to Key West by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Key West, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 69.8 F).

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 April 15, 2025.
See what other customers who have flown with Delta, United Airlines and JetBlue from Washington, D.C. to Key West have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Maxine,Apr 2024

BWI - ATL

I love the seamless way that delta ensures that my luggage is on board the plane, I get a notification that it's on board. I love boarding process, orderly and on time. Lots of room in Comfort plus and getting upgraded to first class was everything!
8.0
Very good
8.0
Very good

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Maxine,Apr 2024

BWI - ATL

I love the seamless way that delta ensures that my luggage is on board the plane, I get a notification that it's on board. I love boarding process, orderly and on time. Lots of room in Comfort plus and getting upgraded to first class was everything!
8.0
Very good

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Maxine,Apr 2024

BWI - ATL

I love the seamless way that delta ensures that my luggage is on board the plane, I get a notification that it's on board. I love boarding process, orderly and on time. Lots of room in Comfort plus and getting upgraded to first class was everything!
8.0
Very good

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Maxine,Apr 2024

BWI - ATL

I love the seamless way that delta ensures that my luggage is on board the plane, I get a notification that it's on board. I love boarding process, orderly and on time. Lots of room in Comfort plus and getting upgraded to first class was everything!
8.0
Very good

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Maxine,Apr 2024

BWI - ATL

I love the seamless way that delta ensures that my luggage is on board the plane, I get a notification that it's on board. I love boarding process, orderly and on time. Lots of room in Comfort plus and getting upgraded to first class was everything!
8.0
Very good

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Maxine,Apr 2024

BWI - ATL

I love the seamless way that delta ensures that my luggage is on board the plane, I get a notification that it's on board. I love boarding process, orderly and on time. Lots of room in Comfort plus and getting upgraded to first class was everything!

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.

  • 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 $251 on this airline. Additional options worth looking into are American Airlines and United Airlines, starting at $256 and $363 round-trip. Delta is 44% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Washington, D.C. to Key West one-way?

    The cheapest airlines for a one-way flight from Washington, D.C. to Key West are Delta ($109), American Airlines ($131), and Allegiant Air ($161).

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

  • 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, August is the cheapest month in which you can book a flight from Washington, D.C. to Key West (average of $328). Flying from Washington, D.C. to Key West in March is currently the most expensive (average of $493). 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

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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 April 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$96Average$382FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$186Average$445FlexibilityNo cancel feeOn-time69%
DeltaCheapest$198Average$358FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$228Average$495FlexibilityNo cancel feeOn-time71%

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