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Cheap flights from Seattle to Key West from $214

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Key West departing on 4/29. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Seattle to Key West

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Seattle to Key West.
American Airlines Logo
5:22 am - 4:16 pmSEA-EYW
7h 54m1 stop
American Airlines Logo
2:38 pm - 11:04 pmEYW-SEA
11h 26m1 stop
$427American Airlines
Find Deal
Tue, Apr 22 - Tue, Apr 29
American Airlines Logo
5:22 am - 6:55 pmSEA-EYW
10h 33m2 stops
American Airlines Logo
3:56 pm - 11:39 pmEYW-SEA
10h 43m1 stop
$432American Airlines
Find Deal
Tue, Apr 22 - Tue, Apr 29
American Airlines Logo
5:22 am - 6:55 pmSEA-EYW
10h 33m2 stops
American Airlines Logo
2:20 pm - 11:09 pmEYW-SEA
11h 49m2 stops
$437American Airlines
Find Deal
Wed, Apr 30 - Wed, May 7
United Airlines Logo
11:45 pm - 6:05 pmSEA-EYW
15h 20m2 stops
United Airlines Logo
8:45 am - 12:58 amEYW-SEA
19h 13m2 stops
$482United Airlines
Find Deal
Mon, Apr 21 - Thu, Apr 24
United Airlines Logo
3:24 pm - 6:05 pmSEA-EYW
23h 41m3 stops
United Airlines Logo
8:45 am - 10:43 pmEYW-SEA
16h 58m2 stops
$487United Airlines
Find Deal
Tue, Apr 22 - Tue, Apr 29
United Airlines Logo
11:59 pm - 6:05 pmSEA-EYW
15h 06m2 stops
United Airlines Logo
4:04 pm - 1:08 amEYW-SEA
36h 04m3 stops
$538United Airlines
Find Deal
Mon, Apr 21 - Thu, Apr 24
American Airlines Logo
7:20 am - 6:55 pmSEA-EYW
8h 35m1 stop
American Airlines Logo
5:30 pm - 11:07 pmEYW-SEA
8h 37m1 stop
$549American Airlines
Find Deal
Wed, Apr 30 - Wed, May 7
Delta Logo
9:20 pm - 10:56 amSEA-EYW
10h 36m1 stop
Delta Logo
2:35 pm - 8:42 pmEYW-SEA
9h 07m1 stop
$952Delta
Find Deal
Sat, Aug 30 - Sat, Sep 6
Delta Logo
9:20 pm - 10:56 amSEA-EYW
10h 36m1 stop
Delta Logo
7:00 am - 2:36 pmEYW-SEA
10h 36m2 stops
$1,031Delta
Find Deal
Sat, Aug 30 - Sat, Sep 6
Delta Logo
12:45 am - 2:05 pmSEA-EYW
10h 20m2 stops
Delta Logo
12:25 pm - 8:55 pmEYW-SEA
11h 30m2 stops
$1,190Delta
Find Deal
Mon, Apr 28 - Tue, May 6

American Airlines flights from Seattle to Key West

Our best American Airlines deals on Seattle to Key West flight tickets
American Airlines
Apr 22
SEA5:22 amSeattle/Tacoma Intl
7h 54m
1 stop
EYW4:16 pmKey West
Apr 29
EYW2:38 pmKey West
11h 26m
1 stop
SEA11:04 pmSeattle/Tacoma Intl
American Airlines
Apr 22
SEA5:22 amSeattle/Tacoma Intl
10h 33m
2 stops
EYW6:55 pmKey West
Apr 29
EYW3:56 pmKey West
10h 43m
1 stop
SEA11:39 pmSeattle/Tacoma Intl
American Airlines
Apr 30
SEA5:22 amSeattle/Tacoma Intl
10h 33m
2 stops
EYW6:55 pmKey West
May 7
EYW2:20 pmKey West
11h 49m
2 stops
SEA11:09 pmSeattle/Tacoma Intl

United Airlines flights from Seattle to Key West

Our best United Airlines deals on Seattle to Key West flight tickets
United Airlines
Apr 21
SEA11:45 pmSeattle/Tacoma Intl
15h 20m
2 stops
EYW6:05 pmKey West
Apr 24
EYW8:45 amKey West
19h 13m
2 stops
SEA12:58 amSeattle/Tacoma Intl
United Airlines
Apr 22
SEA3:24 pmSeattle/Tacoma Intl
23h 41m
3 stops
EYW6:05 pmKey West
Apr 29
EYW8:45 amKey West
16h 58m
2 stops
SEA10:43 pmSeattle/Tacoma Intl
United Airlines
Apr 21
SEA11:59 pmSeattle/Tacoma Intl
15h 06m
2 stops
EYW6:05 pmKey West
Apr 24
EYW4:04 pmKey West
36h 04m
3 stops
SEA1:08 amSeattle/Tacoma Intl

See travel insights to Key West from

How to get the cheapest flight ticket from Seattle to Key West

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Key West?

In general, January is the cheapest month to fly from Seattle to Key West. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $483. If you are unable to visit Key West during the month of January, then departing from Seattle during the month February is also very affordable. Most momondo users find prices during this month for around $593.

What is the cheapest day to depart on your flight to Key West?

On average, the least expensive day to fly to Key West from Seattle is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $597. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Seattle to Key West for around $940.

What is the cheapest time of day to depart on your flight to Key West?

According to our data, the cheapest time of day to fly to Key West is in the morning. momondo users have found flights departing from Seattle to Key West in the morning for as low as $674. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Key West are more costly in the evening, with an average ticket price of $756. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

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

You are more likely to see cheaper flights to Key West from Seattle when booking 10 weeks ahead of your departure date. In general, you can expect to find flights to Key West for around $688 when searching 10 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Key West from Seattle for as low as $433 on momondo.

How have Seattle to Key West flight prices changed over time?


When to book flights from Seattle to Key West

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to Key West according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Seattle to Key West (SEA to EYW) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Key West

Best Price Found

$214

Fastest flight time

7h 54m

Direct flights

None

Airports in Key West

1 airport
The best one-way flight to Key West from Seattle in the past 72 hours is $214. The best round-trip flight deal from Seattle to Key West found on momondo in the last 72 hours is $427.
The fastest flight from Seattle to Key West takes 7h 54m
There are no direct flights from Seattle to Key West. Popular non-direct route for this connection is Seattle/Tacoma Intl Airport - Key West Airport.
There is 1 airport near Key West: Key West (EYW)

  • How far is Seattle/Tacoma Intl to Key West by plane?

    The distance between Seattle/Tacoma Intl and Key West is about 2719.2 mi. By plane, this route typically takes 7h 54m.

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Key West Airport?

    Prices for flights from Seattle/Tacoma Intl Airport to Key West Airport refresh daily.

  • How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Key West Airport?

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Key West Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Seattle/Tacoma Intl Airport to Key West Airport.

  • What documentation or ID do you need to fly to Key West Airport?

    The travel and health documents required for your trip to Key West Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Key West Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Seattle to Key West?


Best airlines flying from Seattle to Key West

Compare and see reviews for airlines that fly from Seattle to Key West with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $278Free CancellationRating
7.4
8,616 reviews
Search United Airlines flights
American AirlinesPriceFrom $383Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $473Free CancellationRating
8.0
7,898 reviews
Search Delta flights

Traveling to a place near Key West?

Book flights to Key West if you plan to visit one of these locations
Big Pine Key
Little Torch Key

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Key West?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Key West from Seattle.

Can I find flights from Seattle to Key West with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Seattle to Key West flights to just show those with flexible booking policies.

How can momondo help me find flights from Seattle to Key West?

momondo helps you find the best flight between Seattle and Key West by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Seattle to Key West right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Key West, momondo offers a useful price alert feature which will track prices for flights to Key West from Seattle and alert you when they change.


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