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Cheap flights from Washington to Key West (EYW)

SEA — EYW
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
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 August 14, 2025.

Round-trip from

$309
(Delta)

One-way from

$196
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$556
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. 11% potential increase in price ($80 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($41 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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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, August is the cheapest month in which you can book a flight from State of Washington to Key West (average of $328). Flying from State of Washington to Key West in March is currently the most expensive (average of $492). 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 August 14, 2025.

When flying from State of Washington to Key West, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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.

  • What are the cheapest airlines to fly from State of Washington to Key West one-way?

    The cheapest airlines for a one-way flight from State of Washington to Key West are Allegiant Air ($232), Delta ($279), and American Airlines ($284).

  • 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, August is the cheapest month in which you can book a flight from State of Washington to Key West (average of $328). Flying from State of Washington to Key West in March is currently the most expensive (average of $492). 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.

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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 August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$308Average$507FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$308Average$611FlexibilityNo cancel feeOn-time71%
DeltaCheapest$373Average$745FlexibilityNo cancel feeOn-timeN/A

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