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Frontier Airlines(F9) flights from Philadelphia to Key West

Flight INFO & Frontier Airlines(F9) flights from Philadelphia to Key West

Cheapest one-way flight price US$83
Cheapest return ticket price US$585
Cheapest month October
Peak season for travel July
Flight distance 1,810.99 km
Average flight time 3 hours 10 minutes

Book Frontier Airlines(F9) flights from Philadelphia to Key West

  • One way
  • Round-trip
      • PHL18:33
        18h 1m
        1 stops
        EYW12:34
        Philadelphia - Key West|Wed, Jul 22|Frontier Airlines
        US$160
        US$365
        56% off
        Search
        56% off
        US$365
        US$160
      • TTN16:26
        22h 16m
        1 stops
        EYW14:42
        Philadelphia - Key West|Mon, Aug 3|Frontier Airlines
        US$190
        US$365
        48% off
        Search
        48% off
        US$365
        US$190
      • TTN16:26
        20h 8m
        1 stops
        EYW12:34
        Philadelphia - Key West|Wed, Jul 22|Frontier Airlines
        US$231
        US$365
        37% off
        Search
        37% off
        US$365
        US$231
      • TTN09:23
        26h 4m
        1 stops
        EYW11:27
        Philadelphia - Key West|Sat, Jul 18|Frontier Airlines
        US$259
        Search
        US$259
      • PHL13:00
        26h 4m
        Nonstop
        EYW14:00
        Philadelphia - Key West|Mon, Sep 6|Normal Airline
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Frontier Airlines(F9) flights from Philadelphia to Key West & Flight Schedule

Flight info.
Departure
Arrival
Weekly Schedule

  1. F92415

    Frontier Airlines

    05:21

    PHL

    2.5h

    Nonstop

    07:51

    MCO

    S - - W T - S
    Search

  2. MX716

    Breeze Airways

    10:10

    MCO

    1.3h

    Nonstop

    11:25

    EYW

    S - - W T - S
    Search

  3. F92269

    Frontier Airlines

    18:25

    PHL

    2.9h

    Nonstop

    21:18

    TPA

    S M T W T F S
    Search

  4. MX123

    Breeze Airways

    09:06

    TPA

    1.3h

    Nonstop

    10:24

    EYW

    - M - W - - S
    Search

  5. F91689

    Frontier Airlines

    09:31

    TTN

    3.0h

    Nonstop

    12:30

    TPA

    S M T W T F S
    Search

  6. MX123

    Breeze Airways

    09:06

    TPA

    1.3h

    Nonstop

    10:24

    EYW

    - M - W - - S
    Search

  7. F91689

    Frontier Airlines

    09:31

    TTN

    3.0h

    Nonstop

    12:30

    TPA

    S M T W T F S
    Search

  8. G4982

    Allegiant Air

    13:38

    PIE

    1.1h

    Nonstop

    14:42

    EYW

    - - - W - - S
    Search

  9. F92013

    Frontier Airlines

    09:23

    TTN

    2.7h

    Nonstop

    12:07

    MCO

    - M - W - F S
    Search

  10. MX716

    Breeze Airways

    10:10

    MCO

    1.3h

    Nonstop

    11:25

    EYW

    S - - W T - S
    Search

Frontier Airlines(F9) flights from Philadelphia to Key West Flight Booking FAQ

  • How long is a flight from Philadelphia to Key West?

    It takes about 3 hours 10 minutes to fly from Philadelphia to Key West.

  • When is the best time to book flights from Philadelphia to Key West?

    By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Philadelphia to Key West is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

  • When are flight tickets from Philadelphia (PHL) to Key West (EYW) the cheapest?

    The cheapest months to fly from Philadelphia to Key West is October, when demand for travel is lower.

  • Which upcoming date is cheapest to fly from Philadelphia to Key West on?

    After crunching the numbers on our July flight calendar, it's currently cheapest to fly from Philadelphia to Key West on July 25, 2026 with American Airlines, with prices starting at US$451.

  • Is there any time difference between Philadelphia and Key West?

    The time difference between Key West and Philadelphia is 0h.

  • How do I change or cancel my ticket from Philadelphia to Key West?

    Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.