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Cheap flights from Washington to Key West from $200

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 6/23. 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

Enter your travel dates to find the best prices.
American Airlines Logo
10:29 pm - 11:16 am
SEA
-
EYW
9h 47m
1 stop
American Airlines Logo
2:29 pm - 10:47 pm
EYW
-
SEA
11h 18m
1 stop
$389American Airlines
sáb, abr 25 - qua, abr 29
American Airlines Logo
10:30 pm - 1:42 pm
PDX
-
EYW
12h 12m
1 stop
American Airlines Logo
12:50 pm - 8:52 pm
EYW
-
PDX
11h 02m
1 stop
$389American Airlines
qua, ago 12 - qua, ago 19
Delta Logo
10:55 pm - 10:10 am
PDX
-
EYW
8h 15m
1 stop
Delta Logo
2:40 pm - 10:42 pm
EYW
-
PDX
11h 02m
2 stops
$394Delta
sáb, mai 2 - ter, mai 5
American Airlines Logo
10:29 pm - 10:54 am
SEA
-
EYW
9h 25m
2 stops
American Airlines Logo
2:29 pm - 10:47 pm
EYW
-
SEA
11h 18m
1 stop
$394American Airlines
sáb, abr 25 - qua, abr 29
Multiple Airlines Logo
2:38 pm - 9:14 am
PDX
-
EYW
15h 36m
1 stop
Multiple Airlines Logo
1:11 pm - 4:57 pm
EYW
-
PDX
30h 46m
2 stops
$397Multiple Airlines
dom, jun 7 - sex, jun 12
Delta Logo
6:05 pm - 10:46 am
PDX
-
EYW
13h 41m
2 stops
Delta Logo
7:30 am - 7:23 pm
EYW
-
PDX
14h 53m
2 stops
$399Delta
dom, abr 26 - qui, mai 7
American Airlines Logo
10:29 pm - 10:54 am
SEA
-
EYW
9h 25m
2 stops
American Airlines Logo
4:20 pm - 12:44 am
EYW
-
SEA
11h 24m
2 stops
$399American Airlines
sáb, abr 25 - qua, abr 29
American Airlines Logo
6:00 am - 5:02 pm
SEA
-
EYW
8h 02m
1 stop
American Airlines Logo
1:08 pm - 10:38 pm
EYW
-
SEA
12h 30m
1 stop
$409American Airlines
sáb, abr 25 - qua, abr 29
American Airlines Logo
6:00 am - 5:02 pm
PDX
-
EYW
8h 02m
1 stop
American Airlines Logo
2:01 pm - 9:03 pm
EYW
-
PDX
10h 02m
1 stop
$409American Airlines
qua, abr 22 - qua, abr 29
Delta Logo
9:25 pm - 11:02 am
PDX
-
EYW
10h 37m
1 stop
Delta Logo
6:24 pm - 11:31 pm
EYW
-
PDX
8h 07m
1 stop
$414Delta
dom, jun 7 - seg, jun 15

United Airlines flights from State of Washington to Key West

Our best United Airlines deals on State of Washington to Key West flight tickets
United Airlines
May 29
PDX10:52 pmPortland
11h 38m
1 stop
EYW1:30 pmKey West
Jun 6
EYW2:26 pmKey West
10h 20m
1 stop
PDX9:46 pmPortland
$439
United Airlines
Apr 25
SEA10:55 pmSeattle/Tacoma Intl
11h 36m
1 stop
EYW1:31 pmKey West
Apr 29
EYW3:52 pmKey West
9h 50m
1 stop
SEA10:42 pmSeattle/Tacoma Intl
$499
United Airlines
Apr 26
PDX11:15 pmPortland
11h 16m
1 stop
EYW1:31 pmKey West
May 5
EYW4:47 pmKey West
9h 12m
1 stop
PDX10:59 pmPortland
$519

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
Apr 25
SEA10:29 pmSeattle/Tacoma Intl
9h 47m
1 stop
EYW11:16 amKey West
Apr 29
EYW2:29 pmKey West
11h 18m
1 stop
SEA10:47 pmSeattle/Tacoma Intl
$389
American Airlines
Apr 25
SEA10:29 pmSeattle/Tacoma Intl
9h 25m
2 stops
EYW10:54 amKey West
Apr 29
EYW2:29 pmKey West
11h 18m
1 stop
SEA10:47 pmSeattle/Tacoma Intl
$394
American Airlines
Apr 25
SEA10:29 pmSeattle/Tacoma Intl
9h 25m
2 stops
EYW10:54 amKey West
Apr 29
EYW4:20 pmKey West
11h 24m
2 stops
SEA12:44 amSeattle/Tacoma Intl
$399

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 março 30, 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

sáb 4/25

10:29 pm-11:16 am

1 stop9h 47m

Key West

qua 4/29

2:29 pm-10:47 pm

1 stop11h 18m

$389

PortlandKey West

PDX - EYW

PDXEYW

Portland

qua 8/12

10:30 pm-1:42 pm

1 stop12h 12m

Key West

qua 8/19

12:50 pm-8:52 pm

1 stop11h 02m

$389

PortlandKey West

PDX - EYW

PDXEYW

Portland

sáb 5/2

10:55 pm-10:10 am

1 stop8h 15m

Key West

ter 5/5

2:40 pm-10:42 pm

2 stops11h 02m

$394

SeattleKey West

SEA - EYW

SEAEYW

Seattle/Tacoma Intl

sáb 4/25

10:29 pm-10:54 am

2 stops9h 25m

Key West

qua 4/29

2:29 pm-10:47 pm

1 stop11h 18m

$394

PortlandKey West

PDX - EYW

PDXEYW

Portland

dom 6/7

2:38 pm-9:14 am

1 stop15h 36m

Key West

sex 6/12

1:11 pm-4:57 pm

2 stops30h 46m

$397

PortlandKey West

PDX - EYW

PDXEYW

Portland

dom 4/26

6:05 pm-10:46 am

2 stops13h 41m

Key West

qui 5/7

7:30 am-7:23 pm

2 stops14h 53m

$399

SeattleKey West

SEA - EYW

SEAEYW

Seattle/Tacoma Intl

sáb 4/25

10:29 pm-10:54 am

2 stops9h 25m

Key West

qua 4/29

4:20 pm-12:44 am

2 stops11h 24m

$399

SeattleKey West

SEA - EYW

SEAEYW

Seattle/Tacoma Intl

sáb 4/25

6:00 am-5:02 pm

1 stop8h 02m

Key West

qua 4/29

1:08 pm-10:38 pm

1 stop12h 30m

$409
Quickest round-trip

PortlandKey West

PDX - EYW

PDXEYW

Portland

qua 4/22

6:00 am-5:02 pm

1 stop8h 02m

Key West

qua 4/29

2:01 pm-9:03 pm

1 stop10h 02m

$409

PortlandKey West

PDX - EYW

PDXEYW

Portland

dom 6/7

9:25 pm-11:02 am

1 stop10h 37m

Key West

seg 6/15

6:24 pm-11:31 pm

1 stop8h 07m

$414

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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 $384. If you are unable to visit Key West during the month of September, then departing from State of Washington during the month October is also very affordable. Most momondo users find prices during this month for around $433.

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

You could potentially save up to 29% 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

8h 13m

Direct flights

None
The fastest flight from State of Washington to Key West takes 8h 13m
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

  • 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 $334Free CancellationRating
7.1
11,530 reviews
Search American Airlines flights
DeltaPriceFrom $338Free CancellationRating
7.9
8,358 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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1 adult
qua 4/29
qua 5/6
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