Cheap Flights from Seattle (BFI) to Key West (EYW)

Popular airlines from Seattle, WA (BFI-Boeing Field) to Key West Intl. Airport (EYW)

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Frequently asked questions

How much does a flight from Boeing Field Airport (BFI) to Key West Intl. Airport (EYW) cost?
Secure a cheap one-way flight or cheap return flight from Boeing Field Airport (BFI) to Key West Intl. Airport (EYW) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Boeing Field Airport (BFI) to Key West Intl. Airport (EYW)?
is the least expensive month to fly from BFI to EYW. Traveling outside of peak seasons is often the key to landing a great deal.
What is the cheapest airline that flies from Boeing Field Airport (BFI) to Key West Intl. Airport (EYW)?
To find the cheapest airline that'll fly you from BFI to EYW, use Expedia's filter tool. Tailor your search based on what matters most to you, such as preferred carriers and cabin class. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from Boeing Field Airport (BFI) to Key West Intl. Airport (EYW)?
Nonstop flights from Boeing Field Airport (BFI) to Key West Intl. Airport (EYW) aren't available daily, so you'll need to take a flight with a layover. Explore your options with our filter tool. Enter your travel details and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from BFI to EYW?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can vary depending on various factors, including the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Boeing Field Airport (BFI) to Key West Intl. Airport (EYW)?
To reach Key West Intl. Airport (EYW) on time, book a flight that leaves Boeing Field Airport (BFI) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Boeing Field Airport (BFI) to Key West Intl. Airport (EYW) last-minute?
Last-minute bookings from BFI to EYW are typically more expensive. To lock in the cheapest rates, start searching for flights well ahead of time. That being said, if you can play around with your travel dates, it's possible to score a cheap ticket right before your journey.
Is it cheaper to book a BFI to EYW flight and hotel package?
Compared with arranging hotels and flights separately, booking a BFI to EYW flight and hotel package with Expedia could result in significant savings. Better yet, having everything in one convenient place will take the stress out of planning your trip. Simply secure your flights and select from our wide range of stays, then customize your trip with extras like tours and car rentals.
Can I cancel or change the date of my flight from Boeing Field Airport (BFI) to Key West Intl. Airport (EYW)?
You can usually cancel or reschedule your BFI to EYW flight. However, for bookings made more than 24 hours ago, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find more details on our Customer Service portal.

Travel information

Origin airport
Boeing Field
Destination airport
Key West Intl.
Distance
2719 mi

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Seattle to Key West Flights

The cheapest times to fly from Seattle to Key West

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Seattle to Key West are during the month of . You can find some of the cheapest flights from Seattle to Key West with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Seattle to Key West

Sunday is one of the best days to book for cheap flights from Seattle to Key West: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Seattle to Key West

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Seattle to Key West in 2026. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Seattle to Key West flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Seattle to Key West airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Seattle to Key West Flights

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*Available to One Key members.