Find Flights Tickets and Deals on JetBlue from Boston to Key West from $179

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May 2026
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Displaying fares for May-2026
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    • *Fares displayed reflect one-way pricing and have been collected within the last 24 hours. Fares reflect recent availability, which may change at any time. Fare shown may be Blue Basic, our most restrictive fare option, which is subject to additional restrictions. Award travel is subject to additional taxes and fees. Additional bag fees may apply and may vary based on frequent flyer or other status.

    Tickets for Cheap Flights from Boston to Key West

    $
    Tickets for Cheap Flights from Boston to Key West
    From
    To
    Fare Type
    Dates
    Price
    Boston (BOS)Key West (EYW)one-way
    /
    Core    		Depart 01/11/2027

    from

    $194

    Seen: 10 hrs ago

    Boston (BOS)Key West (EYW)one-way
    /
    Core    		Depart 01/11/2027

    from

    $249

    Seen: 10 hrs ago

    Boston (BOS)Key West (EYW)one-way
    /
    Core    		Depart 01/11/2027

    from

    $274

    Seen: 10 hrs ago

    Boston (BOS)Key West (EYW)one-way
    /
    Core    		Depart 11/12/2026

    from

    $299

    Seen: 12 hrs ago

    Boston (BOS)Key West (EYW)one-way
    /
    Core    		Depart 02/01/2027

    from

    $299

    Seen: 11 hrs ago

    Boston (BOS)Key West (EYW)one-way
    /
    Core    		Depart 11/12/2026

    from

    $344

    Seen: 12 hrs ago

    Boston (BOS)Key West (EYW)one-way
    /
    Core    		Depart 12/03/2026

    from

    $344

    Seen: 8 hrs ago

    Boston (BOS)Key West (EYW)one-way
    /
    Core    		Depart 01/22/2027

    from

    $344

    Seen: 19 hrs ago

    Boston (BOS)Key West (EYW)one-way
    /
    Core    		Depart 02/01/2027

    from

    $344

    Seen: 11 hrs ago

    Boston (BOS)Key West (EYW)one-way
    /
    Core    		Depart 01/22/2027

    from

    $374

    Seen: 19 hrs ago

    Boston (BOS)Key West (EYW)one-way
    /
    Core    		Depart 02/01/2027

    from

    $374

    Seen: 11 hrs ago

    Boston (BOS)Key West (EYW)one-way
    /
    Core    		Depart 11/12/2026

    from

    $374

    Seen: 12 hrs ago

    Boston (BOS)Key West (EYW)one-way
    /
    Core    		Depart 12/03/2026

    from

    $374

    Seen: 8 hrs ago

    Boston (BOS)Key West (EYW)one-way
    /
    Core    		Depart 02/06/2027

    from

    $479

    Seen: 17 hrs ago

    Boston (BOS)Key West (EYW)one-way
    /
    Core    		Depart 02/06/2027

    from

    $509

    Seen: 17 hrs ago

    *Fares displayed have been collected within the last 48hrs and may no longer be available at time of booking.

    Fly from Boston to Key West

    Discover the best flights from Boston to Key West

    "

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