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Key West

$279+ Cheap flights from Washington 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 3/13. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — EYW
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap flight deals from Washington to Key West

Cheapest flights from Washington to Key West
Explore the most affordable flight options available from Washington to Key West. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

This United Airlines deal was found by Cheapflights users on 1/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/258:30 am
PDX
-
EYW
1 stop10h 41m
United Airlines
Sat 9/54:05 pm
EYW
-
PDX
1 stop9h 03m
United Airlines
Deal found 1/28$329
This American Airlines deal was found by Cheapflights users on 1/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/257:15 am
SEA
-
EYW
2 stops12h 07m
American Airlines
Wed 3/43:51 pm
EYW
-
SEA
1 stop10h 49m
American Airlines
Deal found 1/26$334
This American Airlines deal was found by Cheapflights users on 1/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/259:52 pm
PDX
-
EYW
1 stop11h 07m
American Airlines
Sat 9/53:00 pm
EYW
-
PDX
2 stops11h 22m
American Airlines
Deal found 1/28$334
This American Airlines deal was found by Cheapflights users on 1/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/158:00 am
PDX
-
EYW
2 stops11h 57m
American Airlines
Wed 4/223:58 pm
EYW
-
PDX
1 stop10h 54m
American Airlines
Deal found 1/29$359
This American Airlines deal was found by Cheapflights users on 1/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/1411:40 pm
PDX
-
EYW
2 stops14h 09m
American Airlines
Thu 2/1912:55 pm
EYW
-
PDX
1 stop10h 49m
American Airlines
Deal found 1/27$364
This American Airlines deal was found by Cheapflights users on 1/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/106:00 am
PDX
-
EYW
2 stops12h 47m
American Airlines
Wed 2/181:55 pm
EYW
-
PDX
2 stops13h 22m
American Airlines
Deal found 1/27$370
This American Airlines deal was found by Cheapflights users on 1/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/296:00 am
PDX
-
EYW
1 stop8h 02m
American Airlines
Tue 5/192:29 pm
EYW
-
PDX
1 stop10h 09m
American Airlines
Deal found 1/27$379
This American Airlines deal was found by Cheapflights users on 1/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/106:00 am
PDX
-
EYW
2 stops12h 47m
American Airlines
Sat 2/143:51 pm
EYW
-
PDX
1 stop10h 59m
American Airlines
Deal found 1/27$394
This American Airlines deal was found by Cheapflights users on 1/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/1411:35 pm
PDX
-
EYW
2 stops10h 40m
American Airlines
Tue 2/171:55 pm
EYW
-
PDX
2 stops13h 22m
American Airlines
Deal found 1/28$399
This American Airlines deal was found by Cheapflights users on 1/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/36:00 am
GEG
-
EYW
1 stop7h 18m
American Airlines
Tue 3/108:04 am
EYW
-
GEG
2 stops11h 50m
American Airlines
Deal found 1/27$422
This American Airlines deal was found by Cheapflights users on 1/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/317:00 am
SEA
-
EYW
1 stop8h 06m
American Airlines
Tue 2/106:06 am
EYW
-
SEA
2 stops12h 28m
American Airlines
Deal found 1/27$452
This American Airlines deal was found by Cheapflights users on 1/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/2810:08 pm
SEA
-
EYW
1 stop10h 03m
American Airlines
Sat 3/72:06 pm
EYW
-
SEA
2 stops13h 18m
American Airlines
Deal found 1/27$453

Find flight deals from Washington to Key West

Keep the following information in mind while searching for Washington to Key West flight deals. Data was last updated January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$334
(American Airlines)

One-way from

$279
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$566
Provider with most accurate pricing for Seattle/Tacoma Intl-Key West flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Key West flights.
Search Deals
From Washington to Key West
Search Deals
One-way flight from Washington to Key West
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($102 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($44 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington 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 January 29, 2026.
Use the filters below to find and compare flights from Washington to Key West that are best for you.

Fly from

Washington

Fly to

Key West

Route

Depart

Return

Price

SeattleKey West

SEA - EYW

SEAEYW

Seattle/Tacoma Intl

Wed 2/25

7:15 am-10:22 pm

2 stops12h 07m

Key West

Wed 3/4

3:51 pm-11:40 pm

1 stop10h 49m

$334

PortlandKey West

PDX - EYW

PDXEYW

Portland

Wed 4/15

8:00 am-10:57 pm

2 stops11h 57m

Key West

Wed 4/22

2:01 pm-11:41 pm

2 stops12h 40m

$364

PortlandKey West

PDX - EYW

PDXEYW

Portland

Wed 4/29

7:00 am-10:57 pm

2 stops12h 57m

Key West

Tue 5/19

2:29 pm-10:49 pm

1 stop11h 20m

$384

PortlandKey West

PDX - EYW

PDXEYW

Portland

Tue 2/10

6:00 am-9:47 pm

2 stops12h 47m

Key West

Sat 2/14

3:51 pm-11:50 pm

1 stop10h 59m

$394

PortlandKey West

PDX - EYW

PDXEYW

Portland

Wed 3/4

11:40 pm-3:57 pm

2 stops13h 17m

Key West

Tue 3/10

3:56 pm-11:44 pm

1 stop10h 48m

$422

SpokaneKey West

GEG - EYW

GEGEYW

Spokane

Tue 3/3

6:00 am-4:18 pm

1 stop7h 18m

Key West

Tue 3/10

8:04 am-4:54 pm

2 stops11h 50m

$422

PortlandKey West

PDX - EYW

PDXEYW

Portland

Tue 2/10

11:05 pm-1:03 pm

1 stop10h 58m

Key West

Sat 2/14

4:34 pm-10:59 pm

1 stop9h 25m

$439

SpokaneKey West

GEG - EYW

GEGEYW

Spokane

Tue 5/19

6:45 am-10:57 pm

2 stops13h 12m

Key West

Sat 5/23

2:22 pm-8:47 pm

1 stop9h 25m

$453

PortlandKey West

PDX - EYW

PDXEYW

Portland

Mon 3/2

10:38 pm-1:15 pm

1 stop11h 37m

Key West

Sat 3/7

2:24 pm-10:16 pm

1 stop10h 52m

$457

SeattleKey West

SEA - EYW

SEAEYW

Seattle/Tacoma Intl

Sun 4/26

11:26 pm-1:21 pm

2 stops10h 55m

Key West

Sun 5/3

7:30 pm-12:44 am

1 stop8h 14m

$459

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 24 results
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Best time to book a flight from Washington to Key West

Have a flexible travel schedule? Discover the best time to fly to Key West from Washington 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 to Key West

What is the cheapest month to book a flight from State of Washington to Key West?

Currently, March is the cheapest month in which you can book a flight from State of Washington to Key West (average of $308). Flying from State of Washington to Key West in June is currently the most expensive (average of $555). 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.

Related info for your journey

Find useful and relevant information for your journey from Washington 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?

    Most people fly into Key West (EYW) if they book a flight to Key West from Washington. Key West is conveniently located just 2.6 mi from Key West’s city center.

  • How long is the flight from State of Washington to Key West?

    American Airlines can get you from State of Washington to Key West in just under 12h 07m. Your travel time can differ by up to . The distance between State of Washington and Key West is about 2715 mi.

  • What are the most popular routes from State of Washington to Key West?

    While some choose either Seattle/Tacoma Intl - Key West or Spokane - Key West, Portland - Key West is the most popular route from State of Washington to Key West.

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

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

  • How can I find direct flights from Washington 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 to Key West.

  • Can I find deals for business class flights from Washington to Key West?

    Yes. Cheapflights offers flight deals from Washington 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 State of Washington to Key West?

    Currently, March is the cheapest month in which you can book a flight from State of Washington to Key West (average of $308). Flying from State of Washington to Key West in June is currently the most expensive (average of $555). 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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Alternative routes for Washington to Key West

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Washington to Key West

Discover the top 3 airlines that operate flights from Washington 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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$278Average$493FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$328Average$586FlexibilityNo cancel feeOn-time71%
DeltaCheapest$338Average$638FlexibilityNo cancel feeOn-timeN/A

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