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Key West

$109+ 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 8/29. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — EYW
ago. 4 — ago. 111
mar. 8/4
mar. 8/11
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 April, booked 64 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 julio 5, 2026.

This Kiwi.com deal was found by Cheapflights users on 6/30. 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.
dom. 8/21:32 pm
IAD
-
EYW
1 stop25h 05m
Multiple Airlines
jue. 8/69:31 pm
EYW
-
IAD
2 stops13h 49m
Multiple Airlines
Deal found 6/30$215
This Kiwi.com deal was found by Cheapflights users on 7/1. 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.
sáb. 9/59:32 pm
BWI
-
EYW
2 stops21h 41m
Multiple Airlines
sáb. 9/1210:04 am
EYW
-
BWI
1 stop11h 01m
Multiple Airlines
Deal found 7/1$224
This Kiwi.com deal was found by Cheapflights users on 7/1. 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.
sáb. 8/294:52 pm
IAD
-
EYW
1 stop18h 33m
Multiple Airlines
jue. 9/312:05 pm
EYW
-
IAD
1 stop28h 02m
Multiple Airlines
Deal found 7/1$227
This Kiwi.com deal was found by Cheapflights users on 7/3. 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.
sáb. 9/56:28 pm
BWI
-
EYW
2 stops24h 45m
Multiple Airlines
vie. 9/1110:59 am
EYW
-
BWI
1 stop22h 29m
Multiple Airlines
Deal found 7/3$228
This Kiwi.com deal was found by Cheapflights users on 7/4. 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.
sáb. 9/269:52 pm
BWI
-
EYW
1 stop12h 27m
Multiple Airlines
sáb. 10/310:04 am
EYW
-
BWI
2 stops8h 32m
Multiple Airlines
Deal found 7/4$229
This Kiwi.com deal was found by Cheapflights users on 7/2. 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.
sáb. 9/129:52 pm
BWI
-
EYW
1 stop12h 27m
Multiple Airlines
mié. 9/1610:04 am
EYW
-
BWI
2 stops14h 07m
Multiple Airlines
Deal found 7/2$232
This Kiwi.com deal was found by Cheapflights users on 7/1. 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.
sáb. 8/294:52 pm
IAD
-
EYW
1 stop18h 33m
Multiple Airlines
mié. 9/211:46 am
EYW
-
IAD
2 stops11h 06m
Multiple Airlines
Deal found 7/1$232
This Kiwi.com deal was found by Cheapflights users on 6/30. 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.
mié. 9/98:00 pm
IAD
-
EYW
1 stop15h 35m
Multiple Airlines
sáb. 9/1210:04 am
EYW
-
IAD
2 stops14h 24m
Multiple Airlines
Deal found 6/30$233
This Kiwi.com deal was found by Cheapflights users on 7/4. 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.
dom. 9/67:52 pm
BWI
-
EYW
1 stop15h 35m
Multiple Airlines
vie. 9/1110:59 am
EYW
-
BWI
1 stop22h 29m
Multiple Airlines
Deal found 7/4$234
This Kiwi.com deal was found by Cheapflights users on 7/4. 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.
sáb. 9/54:52 pm
IAD
-
EYW
1 stop18h 33m
Multiple Airlines
jue. 9/1010:59 am
EYW
-
IAD
1 stop8h 10m
Multiple Airlines
Deal found 7/4$235
This Kiwi.com deal was found by Cheapflights users on 7/2. 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.
dom. 9/64:52 pm
IAD
-
EYW
1 stop18h 35m
Multiple Airlines
sáb. 9/1210:04 am
EYW
-
IAD
2 stops14h 24m
Multiple Airlines
Deal found 7/2$238
This Kiwi.com deal was found by Cheapflights users on 7/1. 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.
mié. 8/2611:05 am
IAD
-
EYW
1 stop24h 20m
Multiple Airlines
lun. 8/3112:07 pm
EYW
-
IAD
1 stop22h 00m
Multiple Airlines
Deal found 7/1$239

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 julio 5, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$215
(Kiwi.com)

One-way from

$109
(Kiwi.com)

Popular in

November

Cheapest in

September

Average price

$498

Good round-trip deal

$473 or less

Good one-way deal

$268 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. 2% potential increase in price ($11 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 July 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 julio 5, 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

DCA - EYW

DCAEYW

Washington, D.C. Reagan-National

sáb. 9/5

6:00 am-10:50 am

1 stop4h 50m

Key West

vie. 9/11

11:42 am-5:31 pm

1 stop5h 49m

$309

Washington, D.C.Key West

IAD - EYW

IADEYW

Washington, D.C. Dulles Intl

mar. 7/28

3:02 pm-7:51 pm

1 stop4h 49m

Key West

mar. 8/4

7:40 am-2:05 pm

1 stop6h 25m

$309

Washington, D.C.Key West

IAD - EYW

IADEYW

Washington, D.C. Dulles Intl

mar. 11/10

1:00 pm-7:43 pm

1 stop6h 43m

Key West

mar. 11/17

7:00 am-2:41 pm

1 stop7h 41m

$309

Washington, D.C.Key West

IAD - EYW

IADEYW

Washington, D.C. Dulles Intl

mié. 7/29

8:27 am-1:28 pm

1 stop5h 01m

Key West

mar. 8/4

7:40 am-2:05 pm

1 stop6h 25m

$309

Washington, D.C.Key West

IAD - EYW

IADEYW

Washington, D.C. Dulles Intl

jue. 9/10

12:26 pm-8:01 pm

1 stop7h 35m

Key West

mié. 9/16

2:00 pm-8:15 pm

1 stop6h 15m

$309

Washington, D.C.Key West

IAD - EYW

IADEYW

Washington, D.C. Dulles Intl

jue. 9/10

3:15 pm-8:01 pm

1 stop4h 46m

Key West

mar. 9/15

7:40 am-2:12 pm

1 stop6h 32m

$309

Washington, D.C.Key West

IAD - EYW

IADEYW

Washington, D.C. Dulles Intl

mié. 7/29

10:21 am-5:23 pm

1 stop7h 02m

Key West

mié. 8/5

7:40 am-2:05 pm

1 stop6h 25m

$309

BaltimoreKey West

BWI - EYW

BWIEYW

Baltimore/Washington

mar. 11/10

6:00 am-10:58 am

1 stop4h 58m

Key West

mar. 11/17

7:00 am-1:04 pm

1 stop6h 04m

$323

Washington, D.C.Key West

IAD - EYW

IADEYW

Washington, D.C. Dulles Intl

vie. 11/27

10:05 am-5:11 pm

1 stop7h 06m

Key West

vie. 12/4

2:35 pm-9:12 pm

1 stop6h 37m

$334

Washington, D.C.Key West

IAD - EYW

IADEYW

Washington, D.C. Dulles Intl

vie. 9/18

3:15 pm-8:01 pm

1 stop4h 46m

Key West

lun. 9/21

6:19 pm-12:40 am

1 stop6h 21m

$334

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Showing 1-10 of 55 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 July.
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

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

Currently, February is the cheapest month in which you can book a flight from Washington, D.C. to Key West (average of $189). Flying from Washington, D.C. to Key West in June is currently the most expensive (average of $289). 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 julio 5, 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.

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

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

Booking 49 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.

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 julio 5, 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
7.8
Good
8,451 reviews

Food

7.2

Boarding

8.1

Comfort

7.8

Entertainment

7.8

Overall

7.8

Crew

8.5

Reviews

1 / 20
4.0
Okay

Joel,May 2026

ATL - JAX

The flight was delivered 50 minutes and taxing took what felt like 20 minutes to takeoff.
Delta
7.8
Good
8,451 reviews
Delta
7.8
Good
8,451 reviews

Food

7.2

Boarding

8.1

Comfort

7.8

Entertainment

7.8

Overall

7.8

Crew

8.5

Reviews

1 / 20
4.0
Okay

Joel,May 2026

ATL - JAX

The flight was delivered 50 minutes and taxing took what felt like 20 minutes to takeoff.
United Airlines
7.4
Good
9,933 reviews
Delta
7.8
Good
8,451 reviews

Food

7.2

Boarding

8.1

Comfort

7.8

Entertainment

7.8

Overall

7.8

Crew

8.5

Reviews

1 / 20
4.0
Okay

Joel,May 2026

ATL - JAX

The flight was delivered 50 minutes and taxing took what felt like 20 minutes to takeoff.
American Airlines
7.1
Good
11,777 reviews
Delta
7.8
Good
8,451 reviews

Food

7.2

Boarding

8.1

Comfort

7.8

Entertainment

7.8

Overall

7.8

Crew

8.5

Reviews

1 / 20
4.0
Okay

Joel,May 2026

ATL - JAX

The flight was delivered 50 minutes and taxing took what felt like 20 minutes to takeoff.

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 0 flights from Washington, D.C. to Key West per day from 3 different airlines.

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

    Airlines like Delta fly from Washington, D.C. to Key West in about 4h 50m. The time it takes to get you to your destination can typically vary by up to . Washington, D.C. and Key West are separated by a distance of 1025 mi.

  • 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 $248 on this airline. Additional options worth looking into are American Airlines and United Airlines, starting at $259 and $279 round-trip. Delta is 44% 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.

  • 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, February is the cheapest month in which you can book a flight from Washington, D.C. to Key West (average of $189). Flying from Washington, D.C. to Key West in June is currently the most expensive (average of $289). 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 3 airlines flying from Washington, D.C. to Key West

Discover the top 3 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 julio 5, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$248Average$511FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$258Average$483FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$279Average$470FlexibilityNo cancel feeOn-time69%

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