Cheap Flights from Washington to Key West

View €210 flight on Mon, 13 Oct 2025Opens in a new window

Popular airlines from Washington to Key West

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Cheap flights from Washington to Key West (WAS-EYW)

Prices were available within the past 7 days and start at €210 for one-way flights and €419 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Mon, 13 Oct - Thu, 16 Oct
IAD
Washington
EYW
Key West
€419 Return, found 1 day ago
€419
Return
found 1 day ago
Select Delta flight, departing Mon, 13 Oct from Washington to Key West, returning Thu, 16 Oct, priced at €419 found 1 day ago
American Airlines
Mon, 13 Oct - Thu, 16 Oct
IAD
Washington
EYW
Key West
€444 Return, found 1 day ago
€444
Return
found 1 day ago
Select American Airlines flight, departing Mon, 13 Oct from Washington to Key West, returning Thu, 16 Oct, priced at €444 found 1 day ago
Delta
Mon, 13 Oct - Thu, 16 Oct
IAD
Washington
EYW
Key West
€453 Return, found 1 day ago
€453
Return
found 1 day ago
Select Delta flight, departing Mon, 13 Oct from Washington to Key West, returning Thu, 16 Oct, priced at €453 found 1 day ago
Delta
Mon, 13 Oct - Thu, 16 Oct
IAD
Washington
EYW
Key West
€483 Return, found 1 day ago
€483
Return
found 1 day ago
Select Delta flight, departing Mon, 13 Oct from Washington to Key West, returning Thu, 16 Oct, priced at €483 found 1 day ago
United
Mon, 13 Oct - Thu, 16 Oct
IAD
Washington
EYW
Key West
€486 Return, found 1 day ago
€486
Return
found 1 day ago
Select United flight, departing Mon, 13 Oct from Washington to Key West, returning Thu, 16 Oct, priced at €486 found 1 day ago
Delta
Mon, 13 Oct - Thu, 16 Oct
IAD
Washington
EYW
Key West
€491 Return, found 1 day ago
€491
Return
found 1 day ago
Select Delta flight, departing Mon, 13 Oct from Washington to Key West, returning Thu, 16 Oct, priced at €491 found 1 day ago

Find the cheapest month to fly from Washington (WAS) to Key West (EYW)

May is typically the cheapest month to fly

From €159 - €408 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.