Cheap Flights from Boston to Key West

View €152 flight on Mon, 14 Apr 2025Opens in a new window

Popular airlines from Boston to Key West

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Cheap flights from Boston to Key West (BOS-EYW)

Prices were available within the past 7 days and start at €152 for one-way flights and €321 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Mon, 14 Apr - Wed, 23 Apr
BOS
Boston
EYW
Key West
€321 Return, found 2 days ago
€321
Return
found 2 days ago
Select American Airlines flight, departing Mon, 14 Apr from Boston to Key West, returning Wed, 23 Apr, priced at €321 found 2 days ago
Delta
Mon, 7 Apr - Wed, 16 Apr
BOS
Boston
EYW
Key West
€324 Return, found 21 hours ago
€324
Return
found 21 hours ago
Select Delta flight, departing Mon, 7 Apr from Boston to Key West, returning Wed, 16 Apr, priced at €324 found 21 hours ago
JetBlue Airways
Mon, 7 Apr - Wed, 16 Apr
BOS
Boston
EYW
Key West
€324 Return, found 21 hours ago
€324
Return
found 21 hours ago
Select JetBlue Airways flight, departing Mon, 7 Apr from Boston to Key West, returning Wed, 16 Apr, priced at €324 found 21 hours ago
Delta
Mon, 7 Apr - Wed, 16 Apr
BOS
Boston
EYW
Key West
€335 Return, found 21 hours ago
€335
Return
found 21 hours ago
Select Delta flight, departing Mon, 7 Apr from Boston to Key West, returning Wed, 16 Apr, priced at €335 found 21 hours ago
American Airlines
Mon, 7 Apr - Wed, 16 Apr
BOS
Boston
EYW
Key West
€342 Return, found 21 hours ago
€342
Return
found 21 hours ago
Select American Airlines flight, departing Mon, 7 Apr from Boston to Key West, returning Wed, 16 Apr, priced at €342 found 21 hours ago
United
Mon, 7 Apr - Wed, 16 Apr
BOS
Boston
EYW
Key West
€363 Return, found 21 hours ago
€363
Return
found 21 hours ago
Select United flight, departing Mon, 7 Apr from Boston to Key West, returning Wed, 16 Apr, priced at €363 found 21 hours ago
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