How long does it take to fly to Key West?

If you’re flying from a popular airport in State of Washington, such as Seattle or Spokane, and flying into Key West, then you can expect flight times to average 7h 47m and 8h 58m, respectively.

When did momondo last update prices for flights from Washington to Key West Airport?

Prices for flights from Washington to Key West Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Washington to Key West Airport?

As of June 2026, there are 2 operators available to choose from for flights from Washington to Key West Airport.

How old do you have to be to fly from Washington to Key West Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington 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.

$218 Cheap Flights from Washington to Key West in 2026

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Find the cheapest flights from Washington to Key West

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:00 am - 5:20 pm

SEA

EYW

8h 20m

1 stop

6:15 pm - 11:57 pm

EYW

SEA

8h 42m

1 stop

$429Delta

Tue, Aug 18 - Wed, Aug 26

6:00 am - 5:24 pm

SEA

EYW

8h 24m

1 stop

6:19 pm - 11:59 pm

EYW

SEA

8h 40m

1 stop

$464Delta

Tue, Sep 22 - Sat, Sep 26

6:00 am - 5:20 pm

SEA

EYW

8h 20m

1 stop

7:40 am - 9:45 pm

EYW

SEA

17h 05m

2 stops

$478Delta

Tue, Aug 18 - Tue, Aug 25

8:21 pm - 9:44 am

SEA

EYW

10h 23m

1 stop

1:50 pm - 9:59 pm

EYW

SEA

11h 09m

1 stop

$482American Airlines

Thu, Aug 20 - Tue, Aug 25

8:21 pm - 9:44 am

SEA

EYW

10h 23m

1 stop

7:10 pm - 12:20 am

EYW

SEA

8h 10m

1 stop

$487American Airlines

Wed, Aug 5 - Sat, Aug 8

8:47 pm - 9:44 am

SEA

EYW

9h 57m

1 stop

7:10 pm - 12:20 am

EYW

SEA

8h 10m

1 stop

$488American Airlines

Sat, Aug 15 - Sat, Aug 22

6:00 am - 5:20 pm

SEA

EYW

8h 20m

1 stop

6:15 pm - 9:57 am

EYW

SEA

18h 42m

2 stops

$497Delta

Tue, Aug 18 - Fri, Aug 28

2:50 pm - 10:50 am

SEA

EYW

17h 00m

2 stops

7:40 am - 2:45 pm

EYW

SEA

10h 05m

1 stop

$507Delta

Thu, Aug 20 - Tue, Aug 25

2:48 pm - 11:07 am

PDX

EYW

17h 19m

1 stop

12:05 pm - 4:54 pm

EYW

PDX

31h 49m

2 stops

$564Multiple Airlines

Sun, Jul 12 - Thu, Jul 16

11:00 pm - 1:59 pm

PDX

EYW

11h 59m

1 stop

2:55 pm - 10:21 am

EYW

PDX

22h 26m

1 stop

$653United Airlines

Tue, Oct 27 - Sat, Oct 31

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Delta flights from State of Washington to Key West

Our best Delta deals on State of Washington to Key West flight tickets

Delta

Aug 18

SEA6:00 amSeattle/Tacoma Intl

8h 20m

1 stop

EYW5:20 pmKey West

Aug 26

EYW6:15 pmKey West

8h 42m

1 stop

SEA11:57 pmSeattle/Tacoma Intl

$429

Delta

Sep 22

SEA6:00 amSeattle/Tacoma Intl

8h 24m

1 stop

EYW5:24 pmKey West

Sep 26

EYW6:19 pmKey West

8h 40m

1 stop

SEA11:59 pmSeattle/Tacoma Intl

$464

Delta

Aug 18

SEA6:00 amSeattle/Tacoma Intl

8h 20m

1 stop

EYW5:20 pmKey West

Aug 25

EYW7:40 amKey West

17h 05m

2 stops

SEA9:45 pmSeattle/Tacoma Intl

$478

American Airlines flights from State of Washington to Key West

Our best American Airlines deals on State of Washington to Key West flight tickets

American Airlines

Aug 20

SEA8:21 pmSeattle/Tacoma Intl

10h 23m

1 stop

EYW9:44 amKey West

Aug 25

EYW1:50 pmKey West

11h 09m

1 stop

SEA9:59 pmSeattle/Tacoma Intl

$482

American Airlines

Aug 5

SEA8:21 pmSeattle/Tacoma Intl

10h 23m

1 stop

EYW9:44 amKey West

Aug 8

EYW7:10 pmKey West

8h 10m

1 stop

SEA12:20 amSeattle/Tacoma Intl

$487

American Airlines

Aug 15

SEA8:47 pmSeattle/Tacoma Intl

9h 57m

1 stop

EYW9:44 amKey West

Aug 22

EYW7:10 pmKey West

8h 10m

1 stop

SEA12:20 amSeattle/Tacoma Intl

$488

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

SeattleKey West

SEA - EYW

SEAEYW

Seattle/Tacoma Intl

Tue 8/18

6:00 am-5:20 pm

1 stop8h 20m

Key West

Wed 8/26

6:15 pm-11:57 pm

1 stop8h 42m

$429

SeattleKey West

SEA - EYW

SEAEYW

Seattle/Tacoma Intl

Tue 9/22

6:00 am-5:24 pm

1 stop8h 24m

Key West

Sat 9/26

6:19 pm-11:59 pm

1 stop8h 40m

$464

SeattleKey West

SEA - EYW

SEAEYW

Seattle/Tacoma Intl

Tue 8/18

6:00 am-5:20 pm

1 stop8h 20m

Key West

Tue 8/25

7:40 am-9:45 pm

2 stops17h 05m

$478

SeattleKey West

SEA - EYW

SEAEYW

Seattle/Tacoma Intl

Thu 8/20

8:21 pm-9:44 am

1 stop10h 23m

Key West

Tue 8/25

1:50 pm-9:59 pm

1 stop11h 09m

$482

SeattleKey West

SEA - EYW

SEAEYW

Seattle/Tacoma Intl

Wed 8/5

8:21 pm-9:44 am

1 stop10h 23m

Key West

Sat 8/8

7:10 pm-12:20 am

1 stop8h 10m

$487

SeattleKey West

SEA - EYW

SEAEYW

Seattle/Tacoma Intl

Sat 8/15

8:47 pm-9:44 am

1 stop9h 57m

Key West

Sat 8/22

7:10 pm-12:20 am

1 stop8h 10m

$488

SeattleKey West

SEA - EYW

SEAEYW

Seattle/Tacoma Intl

Tue 8/18

6:00 am-5:20 pm

1 stop8h 20m

Key West

Fri 8/28

6:15 pm-9:57 am

2 stops18h 42m

$497

SeattleKey West

SEA - EYW

SEAEYW

Seattle/Tacoma Intl

Thu 8/20

2:50 pm-10:50 am

2 stops17h 00m

Key West

Tue 8/25

7:40 am-2:45 pm

1 stop10h 05m

$507

PortlandKey West

PDX - EYW

PDXEYW

Portland

Sun 7/12

2:48 pm-11:07 am

1 stop17h 19m

Key West

Thu 7/16

12:05 pm-4:54 pm

2 stops31h 49m

$564

PortlandKey West

PDX - EYW

PDXEYW

Portland

Tue 10/27

11:00 pm-1:59 pm

1 stop11h 59m

Key West

Sat 10/31

2:55 pm-10:21 am

1 stop22h 26m

$653

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from State of Washington 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

Prices

Other information

What is the cheapest month to fly to Key West?

In general, September is the cheapest month to fly from State of Washington to Key West. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $308. If you are unable to visit Key West during the month of September, then departing from State of Washington during the month January is also very affordable. Most momondo users find prices during this month for around $308.

Can stopping save me money on State of Washington to Key West flights?

You could potentially save up to 33% on your flight if you consider stops on a State of Washington to Key West flight.

Cheap State of Washington to Key West flight deals and tips

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

Fastest flight time	7h 47m
Direct flights	None

The fastest flight from State of Washington to Key West takes 7h 47m

There are no direct flights from State of Washington to Key West. There are no popular flight routes from State of Washington to Key West.

Search flight deals

Frequently asked questions about flying from Washington to Key West

When did momondo last update prices for flights from Washington to Key West Airport?
Prices for flights from Washington to Key West Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Washington to Key West Airport?
As of June 2026, there are 2 operators available to choose from for flights from Washington to Key West Airport.
How old do you have to be to fly from Washington to Key West Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington 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.

Best airlines flying from State of Washington to Key West

Compare and see reviews for airlines that fly from State of Washington to Key West with momondo

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $328	Free Cancellation	Rating 7.1 11,762 reviews		Search American Airlines flights
Delta	PriceFrom $338	Free Cancellation	Rating 7.8 8,451 reviews		Search Delta flights

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Washington to Key West. momondo saves you time and could save you money on your trip.

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

momondo does allow users to show only those flights to Key West from Washington which offer a flexible booking policy as well as other useful filters and features.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Washington to Key West.

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

Yes momondo offers price alerts on flights to Key West from Washington. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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Cheap flights from Washington to Key West from $218

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to Key West departing on 7/28. 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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Delta flights from State of Washington to Key West

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Our best American Airlines deals on State of Washington to Key West flight tickets

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How to get the cheapest flight ticket from State of Washington to Key West

What is the cheapest month to fly to Key West?

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How long does it take to fly to Key West?

Cheap State of Washington to Key West flight deals and tips

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

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Frequently asked questions about flying from Washington to Key West

Best airlines flying from State of Washington to Key West

Compare and see reviews for airlines that fly from State of Washington to Key West with momondo

Traveling to a place near Key West?

Why use momondo?

An easier way to manage your Key West trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

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List of cabin classes available on flights landing in Key West. Availability may vary depending on flight origin and airline.

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