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Cheap flights from Key West to Washington from $203

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Key West to Washington departing on 11/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

American Airlines Logo
5:47 pm - 11:35 pmEYW-SEA
8h 48m1 stop
American Airlines Logo
10:54 pm - 1:52 pmSEA-EYW
11h 58m1 stop
$308American Airlines
Find Deal
Thu, Oct 16 - Thu, Oct 23
American Airlines Logo
1:25 pm - 10:59 pmEYW-SEA
12h 34m2 stops
American Airlines Logo
10:54 pm - 1:52 pmSEA-EYW
11h 58m1 stop
$314American Airlines
Find Deal
Thu, Oct 16 - Thu, Oct 23
American Airlines Logo
1:25 pm - 10:59 pmEYW-SEA
12h 34m2 stops
American Airlines Logo
5:22 am - 7:22 pmSEA-EYW
11h 00m2 stops
$455American Airlines
Find Deal
Thu, Oct 16 - Thu, Oct 23
Delta Logo
6:00 pm - 7:18 pmEYW-PDX
28h 18m1 stop
Delta Logo
6:04 am - 5:12 pmPDX-EYW
8h 08m1 stop
$487Delta
Find Deal
Fri, Mar 6 - Tue, Mar 10
American Airlines Logo
12:40 pm - 8:59 pmEYW-SEA
11h 19m1 stop
American Airlines Logo
12:59 am - 12:47 pmSEA-EYW
8h 48m1 stop
$489American Airlines
Find Deal
Tue, Nov 25 - Sun, Nov 30
Delta Logo
6:00 pm - 7:18 pmEYW-PDX
28h 18m1 stop
Delta Logo
5:10 pm - 11:03 amPDX-EYW
14h 53m2 stops
$492Delta
Find Deal
Fri, Mar 6 - Tue, Mar 10
American Airlines Logo
4:10 pm - 12:58 amEYW-SEA
11h 48m2 stops
American Airlines Logo
12:59 am - 12:47 pmSEA-EYW
8h 48m1 stop
$494American Airlines
Find Deal
Tue, Nov 25 - Sun, Nov 30
American Airlines Logo
4:10 pm - 12:58 amEYW-SEA
11h 48m2 stops
American Airlines Logo
5:48 am - 7:23 pmSEA-EYW
10h 35m2 stops
$499American Airlines
Find Deal
Tue, Nov 25 - Mon, Dec 1
United Airlines Logo
1:30 pm - 8:50 pmEYW-PDX
10h 20m1 stop
United Airlines Logo
10:56 pm - 12:46 pmPDX-EYW
10h 50m1 stop
$514United Airlines
Find Deal
Fri, Mar 6 - Tue, Mar 10
Delta Logo
6:00 pm - 10:39 pmEYW-PDX
31h 39m1 stop
Delta Logo
6:04 am - 5:12 pmPDX-EYW
8h 08m1 stop
$525Delta
Find Deal
Fri, Mar 6 - Tue, Mar 10

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
Oct 16
EYW5:47 pmKey West
8h 48m
1 stop
SEA11:35 pmSeattle/Tacoma Intl
Oct 23
SEA10:54 pmSeattle/Tacoma Intl
11h 58m
1 stop
EYW1:52 pmKey West
$308
Find similar
American Airlines
Oct 16
EYW1:25 pmKey West
12h 34m
2 stops
SEA10:59 pmSeattle/Tacoma Intl
Oct 23
SEA10:54 pmSeattle/Tacoma Intl
11h 58m
1 stop
EYW1:52 pmKey West
$314
Find similar
American Airlines
Sep 26
EYW11:25 amKey West
12h 58m
2 stops
SEA9:23 pmSeattle/Tacoma Intl
Oct 26
SEA10:54 pmSeattle/Tacoma Intl
11h 58m
1 stop
EYW1:52 pmKey West
$454
Find similar

Delta flights from Key West to State of Washington

Our best Delta deals on Key West to State of Washington flight tickets
Delta
Mar 6
EYW6:00 pmKey West
28h 18m
1 stop
PDX7:18 pmPortland
Mar 10
PDX6:04 amPortland
8h 08m
1 stop
EYW5:12 pmKey West
$487
Find similar
Delta
Mar 6
EYW6:00 pmKey West
28h 18m
1 stop
PDX7:18 pmPortland
Mar 10
PDX5:10 pmPortland
14h 53m
2 stops
EYW11:03 amKey West
$492
Find similar
Delta
Mar 6
EYW6:00 pmKey West
31h 39m
1 stop
PDX10:39 pmPortland
Mar 10
PDX6:04 amPortland
8h 08m
1 stop
EYW5:12 pmKey West
$525
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Key West to State of Washington that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated September 25, 2025.
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

Key WestSeattle

EYW - SEA

EYWSEA

Key West

Thu 10/16

5:47 pm-11:35 pm

1 stop8h 48m

Seattle/Tacoma Intl

Thu 10/23

10:54 pm-1:52 pm

1 stop11h 58m

$308

Key WestSeattle

EYW - SEA

EYWSEA

Key West

Thu 10/16

1:25 pm-10:59 pm

2 stops12h 34m

Seattle/Tacoma Intl

Thu 10/23

10:54 pm-1:52 pm

1 stop11h 58m

$314

Key WestSeattle

EYW - SEA

EYWSEA

Key West

Thu 10/16

1:25 pm-10:59 pm

2 stops12h 34m

Seattle/Tacoma Intl

Thu 10/23

5:22 am-7:22 pm

2 stops11h 00m

$455

Key WestPortland

EYW - PDX

EYWPDX

Key West

Fri 3/6

6:00 pm-7:18 pm

1 stop28h 18m

Portland

Tue 3/10

6:04 am-5:12 pm

1 stop8h 08m

$487

Key WestSeattle

EYW - SEA

EYWSEA

Key West

Tue 11/25

12:40 pm-8:59 pm

1 stop11h 19m

Seattle/Tacoma Intl

Sun 11/30

12:59 am-12:47 pm

1 stop8h 48m

$489

Key WestPortland

EYW - PDX

EYWPDX

Key West

Fri 3/6

6:00 pm-7:18 pm

1 stop28h 18m

Portland

Tue 3/10

5:10 pm-11:03 am

2 stops14h 53m

$492

Key WestSeattle

EYW - SEA

EYWSEA

Key West

Tue 11/25

4:10 pm-12:58 am

2 stops11h 48m

Seattle/Tacoma Intl

Sun 11/30

12:59 am-12:47 pm

1 stop8h 48m

$494

Key WestSeattle

EYW - SEA

EYWSEA

Key West

Tue 11/25

4:10 pm-12:58 am

2 stops11h 48m

Seattle/Tacoma Intl

Mon 12/1

5:48 am-7:23 pm

2 stops10h 35m

$499

Key WestPortland

EYW - PDX

EYWPDX

Key West

Fri 3/6

1:30 pm-8:50 pm

1 stop10h 20m

Portland

Tue 3/10

10:56 pm-12:46 pm

1 stop10h 50m

$514

Key WestPortland

EYW - PDX

EYWPDX

Key West

Fri 3/6

6:00 pm-10:39 pm

1 stop31h 39m

Portland

Tue 3/10

6:04 am-5:12 pm

1 stop8h 08m

$525

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 resultsSorted by cheapest first
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See travel insights to Washington from

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 day to depart on your flight to State of Washington?

The cheapest day to depart from Key West to State of Washington is on a Friday. Travelers who choose to depart for State of Washington on a Friday will often find tickets for as low as $503. When flying out on a Tuesday, the most expensive travel day of the week, you can expect to see flight prices from Key West to State of Washington for around $667.

What is the cheapest time of day to depart on your flight to State of Washington?

The cheapest time of day to fly to State of Washington is at noon when flights can be purchased for as low as $623. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $648 on average. Flights to State of Washington from Key West in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

You could potentially save up to 1% on your flight if you consider stops on a Key West to State of Washington flight.

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

Direct flights

None
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

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

  • 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.

Best airlines flying from Key West to State of Washington

Compare and see reviews for airlines that fly from Key West to State of Washington with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $308Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

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.

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