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Key West

$161+ 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 12/7. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — EYW
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Cheap 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 October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$309
(American Airlines)

One-way from

$161
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$458
Provider with most accurate pricing for Seattle/Tacoma Intl-Key West flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Key West flights.
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From Washington to Key West
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One-way flight from Washington to Key West
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Highest demand for flights based on searches. 12% potential increase in price ($88 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($44 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find 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 October 30, 2025.

This American Airlines deal was found by Cheapflights users on 10/28. 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.
Fri 11/1410:45 pmPDX - EYW
1 stop9h 47mAmerican Airlines
Wed 11/192:39 pmEYW - PDX
1 stop9h 44mAmerican Airlines
Deal found 10/28$339
This American Airlines deal was found by Cheapflights users on 10/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/1310:07 pmSEA - EYW
1 stop10h 58mAmerican Airlines
Sun 12/2112:55 pmEYW - SEA
1 stop11h 15mAmerican Airlines
Deal found 10/30$349
This Delta deal was found by Cheapflights users on 10/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1510:10 pmPDX - EYW
1 stop10h 21mDelta
Thu 11/207:40 amEYW - PDX
1 stop8h 09mDelta
Deal found 10/28$349
This Delta deal was found by Cheapflights users on 10/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/155:30 amPDX - EYW
2 stops11h 23mDelta
Wed 11/192:58 pmEYW - PDX
1 stop10h 23mDelta
Deal found 10/28$354
This Delta deal was found by Cheapflights users on 10/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/155:30 amPDX - EYW
2 stops11h 23mDelta
Tue 11/187:40 amEYW - PDX
2 stops11h 20mDelta
Deal found 10/28$359
This Delta deal was found by Cheapflights users on 10/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/145:30 amPDX - EYW
2 stops11h 23mDelta
Tue 11/187:40 amEYW - PDX
2 stops11h 20mDelta
Deal found 10/28$409
This American Airlines deal was found by Cheapflights users on 10/28. 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 11/811:20 pmSEA - EYW
1 stop9h 47mAmerican Airlines
Wed 11/124:18 pmEYW - SEA
1 stop10h 08mAmerican Airlines
Deal found 10/28$429
This Delta deal was found by Cheapflights users on 10/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/67:25 amSEA - EYW
1 stop9h 41mDelta
Wed 11/126:18 pmEYW - SEA
1 stop8h 41mDelta
Deal found 10/30$439
This American Airlines deal was found by Cheapflights users on 10/28. 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.
Fri 11/1410:45 pmPDX - EYW
1 stop9h 47mAmerican Airlines
Thu 11/204:10 pmEYW - PDX
1 stop10h 21mAmerican Airlines
Deal found 10/28$439
This American Airlines deal was found by Cheapflights users on 10/28. 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.
Fri 11/1411:59 pmPDX - EYW
2 stops13h 14mAmerican Airlines
Tue 11/184:10 pmEYW - PDX
1 stop10h 21mAmerican Airlines
Deal found 10/28$444
This American Airlines deal was found by Cheapflights users on 10/28. 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 11/1511:59 pmPDX - EYW
2 stops10h 04mAmerican Airlines
Wed 11/191:33 pmEYW - PDX
2 stops11h 52mAmerican Airlines
Deal found 10/28$449
This American Airlines deal was found by Cheapflights users on 10/28. 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 12/1610:45 pmPDX - EYW
1 stop9h 17mAmerican Airlines
Sun 12/2112:55 pmEYW - PDX
1 stop11h 24mAmerican Airlines
Deal found 10/28$466

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 October 30, 2025.
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

Sat 1/31

11:45 pm-1:03 pm

1 stop10h 18m

Key West

Tue 2/3

2:25 pm-11:15 pm

1 stop11h 50m

$309

SeattleKey West

SEA - EYW

SEAEYW

Seattle/Tacoma Intl

Sat 1/31

6:00 am-4:23 pm

1 stop7h 23m

Key West

Tue 2/3

4:37 pm-11:42 pm

1 stop10h 05m

$309

SeattleKey West

SEA - EYW

SEAEYW

Seattle/Tacoma Intl

Thu 1/29

8:04 am-9:47 pm

2 stops10h 43m

Key West

Tue 2/3

1:22 pm-8:45 pm

1 stop10h 23m

$314

SeattleKey West

SEA - EYW

SEAEYW

Seattle/Tacoma Intl

Fri 1/30

7:00 am-6:01 pm

1 stop8h 01m

Key West

Tue 2/3

12:00 pm-8:45 pm

2 stops11h 45m

$314

SeattleKey West

SEA - EYW

SEAEYW

Seattle/Tacoma Intl

Sat 1/17

9:45 pm-1:03 pm

2 stops12h 18m

Key West

Sat 1/31

6:06 am-3:34 pm

2 stops12h 28m

$319

PortlandKey West

PDX - EYW

PDXEYW

Portland

Sat 11/15

10:10 pm-11:31 am

1 stop10h 21m

Key West

Thu 11/20

7:40 am-12:49 pm

1 stop8h 09m

$349

PortlandKey West

PDX - EYW

PDXEYW

Portland

Sat 11/15

10:10 pm-11:31 am

1 stop10h 21m

Key West

Wed 11/19

2:58 pm-10:21 pm

1 stop10h 23m

$349

PortlandKey West

PDX - EYW

PDXEYW

Portland

Thu 11/13

12:35 am-5:23 pm

2 stops13h 48m

Key West

Wed 11/19

2:58 pm-10:21 pm

1 stop10h 23m

$354

PortlandKey West

PDX - EYW

PDXEYW

Portland

Wed 4/1

5:24 am-6:30 pm

2 stops10h 06m

Key West

Wed 4/8

3:06 pm-8:35 pm

1 stop8h 29m

$354

SpokaneKey West

GEG - EYW

GEGEYW

Spokane

Tue 3/3

5:51 am-10:59 pm

2 stops14h 08m

Key West

Tue 3/10

3:48 pm-8:34 pm

1 stop7h 46m

$354

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 33 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, February is the cheapest month in which you can book a flight from State of Washington to Key West (average of $284). 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.

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

Find hourly flight availability from Washington 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 October 30, 2025.

It’s optimal to fly from State of Washington to Key West in the evening. By choosing this option you can save up to 25% on the cost of your flight, compared to a flight in the morning.

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?

    United Airlines, American Airlines, and Delta can get you from State of Washington to Key West in just under 7h 23m. Your travel time can differ by up to 2h 58m. The distance between State of Washington and Key West is about 2715 mi. This flight may include one or multiple stops.

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

    While some choose either Portland - Key West or Spokane - Key West, Seattle/Tacoma Intl - 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, February is the cheapest month in which you can book a flight from State of Washington to Key West (average of $284). 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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$278Average$587FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$308Average$587FlexibilityNo cancel feeOn-time71%
DeltaCheapest$338Average$703FlexibilityNo cancel feeOn-timeN/A

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