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Cheap flights from Seattle to Key West (SEA - EYW)

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The best prices from Seattle to Key West are usually found in August or July, booked 20 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

How to find the cheapest flight from
Seattle (SEA) to Key West (EYW)

SEA - EYW
Price
$265 - $672
EYW
Temperature
77 - 91.4 °F
EYW
Rainfall
1.1 - 6.6 inches

Popular in

March

High demand for flights, 28% potential price rise

Cheapest in

August

Best time to find cheap flights, 45% potential price drop

Round-trip from

$265

From Seattle to Key West

One-way from

$105

One-way flight from Seattle to Key West

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from Seattle to Key West?

It’s generally more expensive to depart on a Monday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.

How far in advance should I book a flight from Seattle to Key West?

Travelers have found it’s best to book a flight 37 days in advance to save up to 40% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 37 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Seattle to Key West 1-2 weeks in advance for as low as $480, or $607 for flights within the next 24 hours.

What is the cheapest month to fly from Seattle to Key West?

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, August can be a great choice for travel to Key West. Flights to Key West from Seattle in August are about $413 on average during August, but can be found for as low as $181.

When is the cheapest time to fly from Seattle to Key West (SEA - EYW)?

It’s optimal to fly from Seattle to Key West in the afternoon. By choosing this option you can save up to 50% on the cost of your flight, compared to a flight in the evening.

Cheap flights from Seattle to Key West in December, January 2021

The best prices found for SEA to EYW flights for December, January
31 Dec - 7 Jan
$228pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
   
2 STOPS
EYW
Key West
EYW
Key West
Multiple Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
31 Dec - 7 Jan
$232pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
   
2 STOPS
EYW
Key West
EYW
Key West
Multiple Airlines
     
3 STOPS
SEA
Seattle/Tacoma Intl
10 Jan - 24 Jan
$239pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
     
3 STOPS
EYW
Key West
EYW
Key West
Multiple Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl

Seattle to Key West 2021 flight deals

Cheap flights to Key West from Seattle found for this year
31 Dec - 7 Jan
$228pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
   
2 STOPS
EYW
Key West
EYW
Key West
Multiple Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
31 Dec - 7 Jan
$232pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
   
2 STOPS
EYW
Key West
EYW
Key West
Multiple Airlines
     
3 STOPS
SEA
Seattle/Tacoma Intl
30 Dec - 6 Jan
$246pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
     
3 STOPS
EYW
Key West
EYW
Key West
Multiple Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl

Last minute flights from Seattle to Key West

Late deals on round-trip flights to Key West from Seattle, departing today and this week
13 Dec - 17 Dec
$268pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
     
3 STOPS
EYW
Key West
EYW
Key West
Multiple Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
13 Dec - 17 Dec
$274pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
     
3 STOPS
EYW
Key West
EYW
Key West
Multiple Airlines
     
3 STOPS
SEA
Seattle/Tacoma Intl
13 Dec - 17 Dec
$308pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
   
2 STOPS
EYW
Key West
EYW
Key West
Multiple Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl

One-way flights to Key West from Seattle

The cheapest one-way flights from Seattle to Key West
9:30 am - 9:50 am
Multiple Airlines
3 Stops
21h 20m
SEA - EYW
Multiple Airlines
$105
Gotogate
6:49 pm - 9:20 am
American Airlines
2 Stops
11h 31m
SEA - EYW
American Airlines
6:05 pm - 10:30 am
United Airlines
3 Stops
13h 25m
SEA - EYW
United Airlines
$198
United

Related info for your journey

Useful info, stats and facts about Seattle to Key West flights.

Flight FAQs

From Seattle to Key West

Are flight prices decreasing from Seattle to Key West due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Seattle and Key West for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

What safety measures are being taken by airlines flying from Seattle/Tacoma Intl to Key West to control the spread of COVID-19?

Delta is one of the many airlines that have implemented additional safety measures to control the spread of COVID-19. Some of the new policies that have been implemented to accommodate travelers flying from Seattle/Tacoma Intl to Key West are improved sanitation, HEPA filters, mask requirements, social distance seating (for a limited time), and pre-flight testing for antibodies and symptoms. Policies will vary by airline.

Which airlines flying from Seattle/Tacoma Intl to Key West have flexible cancellations due to COVID-19?

Due to the rapidly changing circumstances due to COVID-19, airlines like American Airlines, Delta, and United Airlines flying from Seattle/Tacoma Intl to Key West have implemented new flexible cancellation policies.

Can I find flights from Seattle to Key West for under $300 on Cheapflights?

Yes, there are multiple flights from Seattle to Key West for under $300. The cheapest flight booked recently is on Multiple Airlines for just $228, but on average you can expect to pay $259.

Are there nonstop flights from Seattle to Key West for under $200 on Cheapflights?

There are no nonstop flights from Seattle to Key West, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.

Are there last-minute flights available from Seattle to Key West for under $300?

There are currently 17+ open flights from Seattle to Key West within the next 7 days for less than $300.

Does it rain more in Seattle or Key West?

The rainfall in Seattle is generally less than the rainfall in Key West. This will continue over the next 22 days.

Is Seattle weather warmer or cooler than Key West?

We forecast the temperature to be around the 91 °F's in August, on average. The temperature in Key West is generally hotter than in Seattle. Book flights in a timely manner in correlation to your departure date.

How long is the flight from Seattle to Key West?

For as low as $311, American Airlines can have you in Key West from Seattle in 8h 33m.

What are the cheapest airlines to fly from Seattle to Key West one-way?

For one-way options, check prices for American Airlines. According to our data, you can fly for as low as $162. Users have also found tickets on United Airlines for as little as $198.

Alternative routes for Seattle to Key West

Destination information for Key West

Things to know before you go. Useful info for your trip from Seattle to Key West
Average temperature for December in Key West
77.0 °F
Avg rainfall for December in Key West
1.9 ″

Airports servicing Seattle

Airports servicing Key West

Top 3 airlines from Seattle to Key West

The chart below displays the airlines Cheapflights users traveling from Seattle to Key West choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.

Airline Cheapest Average Flexibility On-time COVID-19 safety
United Airlines
$213 $462 No cancel fee 69%
American Airlines
$299 $568 No cancel fee 71%
Delta
$303 $684 No cancel fee N/A
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