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

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

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

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Key West Airport to Washington.

What documentation or ID do you need to fly to Washington?

The travel and health documents required for your trip to Washington 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 Washington. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$313 Cheap Flights from Key West to Washington in 2026/27

Find the cheapest flights from Key West to Washington

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

4:10 pm - 11:07 pmEYW Key West-SEA Seattle/Tacoma Intl

9h 57m1 stop Chicago O'Hare Intl

11:10 pm - 1:52 pmSEA Seattle/Tacoma Intl-EYW Key West

11h 42m1 stop Newark

$505United Airlines

Tue, Nov 24 - Thu, Nov 26

4:10 pm - 10:43 pmEYW Key West-SEA Seattle/Tacoma Intl

9h 33m1 stop Chicago O'Hare Intl

11:33 pm - 2:36 pmSEA Seattle/Tacoma Intl-EYW Key West

12h 03m1 stop Newark

$549United Airlines

Thu, Dec 3 - Mon, Dec 7

6:08 pm - 11:57 pmEYW Key West-SEA Seattle/Tacoma Intl

8h 49m1 stop Atlanta Hartsfield-Jackson

10:40 pm - 10:48 amSEA Seattle/Tacoma Intl-EYW Key West

9h 08m1 stop Atlanta Hartsfield-Jackson

$591Delta

Wed, Nov 18 - Sun, Nov 22

4:10 pm - 10:43 pmEYW Key West-SEA Seattle/Tacoma Intl

9h 33m1 stop Chicago O'Hare Intl

12:25 pm - 11:24 amSEA Seattle/Tacoma Intl-EYW Key West

19h 59m2 stops Los Angeles Chicago O'Hare Intl

$643United Airlines

Thu, Dec 3 - Mon, Dec 7

12:59 pm - 7:38 pmEYW Key West-SEA Seattle/Tacoma Intl

9h 39m1 stop Chicago O'Hare Intl

10:50 pm - 2:13 pmSEA Seattle/Tacoma Intl-EYW Key West

12h 23m1 stop Newark

$672United Airlines

Fri, Feb 5 - Tue, Feb 9

4:10 pm - 4:12 pmEYW Key West-SEA Seattle/Tacoma Intl

27h 02m3 stops Chicago O'Hare Intl Phoenix Sky Harbor Intl Los Angeles

11:33 pm - 2:36 pmSEA Seattle/Tacoma Intl-EYW Key West

12h 03m1 stop Newark

$703United Airlines

Thu, Dec 3 - Mon, Dec 7

10:18 am - 8:09 pmEYW Key West-SEA Seattle/Tacoma Intl

12h 51m2 stops Miami Phoenix Sky Harbor Intl

11:36 pm - 11:46 amSEA Seattle/Tacoma Intl-EYW Key West

9h 10m1 stop Chicago O'Hare Intl

$728American Airlines

Wed, Nov 18 - Sun, Nov 22

12:59 pm - 7:38 pmEYW Key West-SEA Seattle/Tacoma Intl

9h 39m1 stop Chicago O'Hare Intl

12:25 pm - 2:13 pmSEA Seattle/Tacoma Intl-EYW Key West

22h 48m2 stops Los Angeles Newark

$781United Airlines

Fri, Feb 5 - Tue, Feb 9

4:10 pm - 11:07 pmEYW Key West-SEA Seattle/Tacoma Intl

9h 57m1 stop Chicago O'Hare Intl

11:17 pm - 1:56 pmSEA Seattle/Tacoma Intl-EYW Key West

11h 39m1 stop Newark

$794United Airlines

Tue, Nov 17 - Sat, Nov 21

4:58 pm - 11:59 pmEYW Key West-SEA Seattle/Tacoma Intl

10h 01m1 stop Miami

9:14 pm - 9:44 amSEA Seattle/Tacoma Intl-EYW Key West

9h 30m1 stop Miami

$863American Airlines

Sat, Nov 28 - Sat, Dec 5

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Delta flights from Key West to State of Washington

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

Delta

Nov 18

EYW6:08 pmKey West

8h 49m

1 stop

SEA11:57 pmSeattle/Tacoma Intl

Nov 22

SEA10:40 pmSeattle/Tacoma Intl

9h 08m

1 stop

EYW10:48 amKey West

$591

Delta

Nov 10

EYW7:30 amKey West

10h 00m

1 stop

SEA2:30 pmSeattle/Tacoma Intl

Nov 12

SEA11:35 pmSeattle/Tacoma Intl

8h 13m

1 stop

EYW10:48 amKey West

$1,079

American Airlines flights from Key West to State of Washington

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

American Airlines

Nov 18

EYW10:18 amKey West

12h 51m

2 stops

SEA8:09 pmSeattle/Tacoma Intl

Nov 22

SEA11:36 pmSeattle/Tacoma Intl

9h 10m

1 stop

EYW11:46 amKey West

$728

American Airlines

Nov 28

EYW4:58 pmKey West

10h 01m

1 stop

SEA11:59 pmSeattle/Tacoma Intl

Dec 5

SEA9:14 pmSeattle/Tacoma Intl

9h 30m

1 stop

EYW9:44 amKey West

$863

American Airlines

Nov 18

EYW11:14 amKey West

11h 55m

2 stops

SEA8:09 pmSeattle/Tacoma Intl

Nov 22

SEA9:45 pmSeattle/Tacoma Intl

10h 10m

2 stops

EYW10:55 amKey West

$864

momondo Fare Finder

Use the filters below to find and compare flights from Key West to Washington that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Key WestSeattle

EYW Key West - SEA Seattle/Tacoma Intl

EYWSEA

Key West

Tue 11/24

4:10 pm-11:07 pm

1 stop9h 57m

Seattle/Tacoma Intl

Thu 11/26

11:10 pm-1:52 pm

1 stop11h 42m

$505

Key WestSeattle

EYW Key West - SEA Seattle/Tacoma Intl

EYWSEA

Key West

Thu 12/3

4:10 pm-10:43 pm

1 stop9h 33m

Seattle/Tacoma Intl

Mon 12/7

11:33 pm-2:36 pm

1 stop12h 03m

$549

Quickest round-trip

Key WestSeattle

EYW Key West - SEA Seattle/Tacoma Intl

EYWSEA

Key West

Wed 11/18

6:08 pm-11:57 pm

1 stop8h 49m

Seattle/Tacoma Intl

Sun 11/22

10:40 pm-10:48 am

1 stop9h 08m

$591

Key WestSeattle

EYW Key West - SEA Seattle/Tacoma Intl

EYWSEA

Key West

Thu 12/3

4:10 pm-10:43 pm

1 stop9h 33m

Seattle/Tacoma Intl

Mon 12/7

12:25 pm-11:24 am

2 stops19h 59m

$643

Key WestSeattle

EYW Key West - SEA Seattle/Tacoma Intl

EYWSEA

Key West

Fri 2/5

12:59 pm-7:38 pm

1 stop9h 39m

Seattle/Tacoma Intl

Tue 2/9

10:50 pm-2:13 pm

1 stop12h 23m

$672

Key WestSeattle

EYW Key West - SEA Seattle/Tacoma Intl

EYWSEA

Key West

Thu 12/3

4:10 pm-4:12 pm

3 stops27h 02m

Seattle/Tacoma Intl

Mon 12/7

11:33 pm-2:36 pm

1 stop12h 03m

$703

Key WestSeattle

EYW Key West - SEA Seattle/Tacoma Intl

EYWSEA

Key West

Wed 11/18

10:18 am-8:09 pm

2 stops12h 51m

Seattle/Tacoma Intl

Sun 11/22

11:36 pm-11:46 am

1 stop9h 10m

$728

Key WestSeattle

EYW Key West - SEA Seattle/Tacoma Intl

EYWSEA

Key West

Fri 2/5

12:59 pm-7:38 pm

1 stop9h 39m

Seattle/Tacoma Intl

Tue 2/9

12:25 pm-2:13 pm

2 stops22h 48m

$781

Key WestSeattle

EYW Key West - SEA Seattle/Tacoma Intl

EYWSEA

Key West

Tue 11/17

4:10 pm-11:07 pm

1 stop9h 57m

Seattle/Tacoma Intl

Sat 11/21

11:17 pm-1:56 pm

1 stop11h 39m

$794

Key WestSeattle

EYW Key West - SEA Seattle/Tacoma Intl

EYWSEA

Key West

Sat 11/28

4:58 pm-11:59 pm

1 stop10h 01m

Seattle/Tacoma Intl

Sat 12/5

9:14 pm-9:44 am

1 stop9h 30m

$863

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 Key West to State of Washington

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 airline that flies from Key West to Washington?

American Airlines and United Airlines are the most popular carriers operating from Key West to Washington

Cheap Key West to State of Washington flight deals and tips

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

Best Price Found	$313
Fastest flight time	9h 17m
Direct flights	None

The best one-way flight to State of Washington from Key West in the past 72 hours is $313. The best round-trip flight deal from Key West to State of Washington found on momondo in the last 72 hours is $505.

The fastest flight from Key West to State of Washington takes 9h 17m

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

Search flight deals

Frequently asked questions about flying from Key West to Washington

When did momondo last update prices for flights from Key West Airport to Washington?
Prices for flights from Key West Airport to Washington are refreshed on a daily basis.
How old do you have to be to fly from Key West Airport to Washington?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Key West Airport to Washington.
What documentation or ID do you need to fly to Washington?
The travel and health documents required for your trip to Washington 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 Washington. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

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

It is quick and easy to find Key West to Washington flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Washington that suits you.

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

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

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

Once all potential Key West to Washington flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Of course. momondo tracks the price of Key West to Washington flights. All you need is a valid email address and we will do the rest; it is that quick and easy.