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Cheap flights from Washington to Key West from $295

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 7/2. 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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Find the cheapest flights from Washington to Key West

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
9:20 pm - 10:58 am
SEA
-
EYW
10h 38m
1 stop
Delta Logo
11:45 am - 6:59 pm
EYW
-
SEA
10h 14m
1 stop
$379Delta
Thu, Oct 22 - Thu, Oct 29
United Airlines Logo
10:56 pm - 1:02 pm
PDX
-
EYW
11h 06m
1 stop
United Airlines Logo
4:05 pm - 10:18 pm
EYW
-
PDX
9h 13m
1 stop
$390United Airlines
Sun, Nov 1 - Sat, Nov 7
American Airlines Logo
5:49 am - 6:49 pm
PDX
-
EYW
10h 00m
1 stop
American Airlines Logo
4:44 pm - 11:59 pm
EYW
-
PDX
10h 15m
1 stop
$404American Airlines
Wed, Jun 10 - Wed, Jun 17
Delta Logo
6:00 am - 5:11 pm
SEA
-
EYW
8h 11m
1 stop
Delta Logo
6:00 pm - 12:09 am
EYW
-
SEA
9h 09m
1 stop
$404Delta
Tue, Oct 13 - Tue, Oct 20
American Airlines Logo
5:49 am - 6:49 pm
PDX
-
EYW
10h 00m
1 stop
American Airlines Logo
1:39 pm - 11:59 pm
EYW
-
PDX
13h 20m
2 stops
$409American Airlines
Wed, Jun 10 - Wed, Jun 17
Delta Logo
6:00 am - 7:43 pm
SEA
-
EYW
10h 43m
1 stop
Delta Logo
11:45 am - 6:59 pm
EYW
-
SEA
10h 14m
1 stop
$409Delta
Thu, Oct 29 - Tue, Nov 3
American Airlines Logo
5:05 am - 4:54 pm
SEA
-
EYW
8h 49m
1 stop
American Airlines Logo
7:03 pm - 12:20 am
EYW
-
SEA
8h 17m
1 stop
$429American Airlines
Tue, Aug 4 - Tue, Aug 11
American Airlines Logo
11:20 pm - 1:45 pm
PDX
-
EYW
11h 25m
2 stops
American Airlines Logo
1:50 pm - 7:48 pm
EYW
-
PDX
8h 58m
1 stop
$429American Airlines
Wed, Aug 12 - Wed, Aug 19
American Airlines Logo
5:05 am - 4:54 pm
SEA
-
EYW
8h 49m
1 stop
American Airlines Logo
11:30 am - 8:10 pm
EYW
-
SEA
11h 40m
2 stops
$434American Airlines
Tue, Aug 4 - Tue, Aug 11
United Airlines Logo
10:52 pm - 1:30 pm
PDX
-
EYW
11h 38m
1 stop
United Airlines Logo
2:26 pm - 9:42 pm
EYW
-
PDX
10h 16m
1 stop
$463United Airlines
Tue, Jun 9 - Tue, Jun 16

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
Jun 10
PDX5:49 amPortland
10h 00m
1 stop
EYW6:49 pmKey West
Jun 17
EYW4:44 pmKey West
10h 15m
1 stop
PDX11:59 pmPortland
$404
American Airlines
Jun 10
PDX5:49 amPortland
10h 00m
1 stop
EYW6:49 pmKey West
Jun 17
EYW1:39 pmKey West
13h 20m
2 stops
PDX11:59 pmPortland
$409
American Airlines
Aug 4
SEA5:05 amSeattle/Tacoma Intl
8h 49m
1 stop
EYW4:54 pmKey West
Aug 11
EYW7:03 pmKey West
8h 17m
1 stop
SEA12:20 amSeattle/Tacoma Intl
$429

Delta flights from State of Washington to Key West

Our best Delta deals on State of Washington to Key West flight tickets
Delta
Oct 22
SEA9:20 pmSeattle/Tacoma Intl
10h 38m
1 stop
EYW10:58 amKey West
Oct 29
EYW11:45 amKey West
10h 14m
1 stop
SEA6:59 pmSeattle/Tacoma Intl
$379
Delta
Oct 13
SEA6:00 amSeattle/Tacoma Intl
8h 11m
1 stop
EYW5:11 pmKey West
Oct 20
EYW6:00 pmKey West
9h 09m
1 stop
SEA12:09 amSeattle/Tacoma Intl
$404
Delta
Oct 29
SEA6:00 amSeattle/Tacoma Intl
10h 43m
1 stop
EYW7:43 pmKey West
Nov 3
EYW11:45 amKey West
10h 14m
1 stop
SEA6:59 pmSeattle/Tacoma Intl
$409

momondo Fare Finder

 
Customize your flight search to find flights from State of Washington to Key West 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 May 15, 2026.
Use the filters below to find and compare flights from Washington to Key West that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleKey West

SEA - EYW

SEAEYW

Seattle/Tacoma Intl

Thu 10/22

9:20 pm-10:58 am

1 stop10h 38m

Key West

Thu 10/29

11:45 am-6:59 pm

1 stop10h 14m

$379

PortlandKey West

PDX - EYW

PDXEYW

Portland

Sun 11/1

10:56 pm-1:02 pm

1 stop11h 06m

Key West

Sat 11/7

4:05 pm-10:18 pm

1 stop9h 13m

$390

PortlandKey West

PDX - EYW

PDXEYW

Portland

Wed 6/10

5:49 am-6:49 pm

1 stop10h 00m

Key West

Wed 6/17

4:44 pm-11:59 pm

1 stop10h 15m

$404

SeattleKey West

SEA - EYW

SEAEYW

Seattle/Tacoma Intl

Tue 10/13

6:00 am-5:11 pm

1 stop8h 11m

Key West

Tue 10/20

6:00 pm-12:09 am

1 stop9h 09m

$404

PortlandKey West

PDX - EYW

PDXEYW

Portland

Wed 6/10

5:49 am-6:49 pm

1 stop10h 00m

Key West

Wed 6/17

1:39 pm-11:59 pm

2 stops13h 20m

$409

SeattleKey West

SEA - EYW

SEAEYW

Seattle/Tacoma Intl

Thu 10/29

6:00 am-7:43 pm

1 stop10h 43m

Key West

Tue 11/3

11:45 am-6:59 pm

1 stop10h 14m

$409
Quickest round-trip

SeattleKey West

SEA - EYW

SEAEYW

Seattle/Tacoma Intl

Tue 8/4

5:05 am-4:54 pm

1 stop8h 49m

Key West

Tue 8/11

7:03 pm-12:20 am

1 stop8h 17m

$429

PortlandKey West

PDX - EYW

PDXEYW

Portland

Wed 8/12

11:20 pm-1:45 pm

2 stops11h 25m

Key West

Wed 8/19

1:50 pm-7:48 pm

1 stop8h 58m

$429

SeattleKey West

SEA - EYW

SEAEYW

Seattle/Tacoma Intl

Tue 8/4

5:05 am-4:54 pm

1 stop8h 49m

Key West

Tue 8/11

11:30 am-8:10 pm

2 stops11h 40m

$434

PortlandKey West

PDX - EYW

PDXEYW

Portland

Tue 6/9

10:52 pm-1:30 pm

1 stop11h 38m

Key West

Tue 6/16

2:26 pm-9:42 pm

1 stop10h 16m

$463

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 resultsSorted by cheapest first
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See travel insights to Key West from

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

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 13% 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 23m

Direct flights

None
The fastest flight from State of Washington to Key West takes 7h 23m
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.
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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?

  • 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 AirlinesPriceFrom $328Free CancellationRating
7.1
11,662 reviews
Search American Airlines flights
DeltaPriceFrom $338Free CancellationRating
7.9
8,453 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 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.

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.
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