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Flights from Islip to Key West

Airlines operating flights from Islip to Key West

Choose from 1 carriers that fly from Islip to Key West, including Frontier Airlines, Enjoy the cheapest tickets on this route with Frontier Airlines.
Frontier Airlines logo Frontier Airlines

Find the cheapest flights from Islip to Key West within the next three months. Book one-way flights from PHP 5,480 or return tickets from PHP 47,106.

      • ISP 07:30
        9h 45m
        2 stops
        EYW 17:15
        Islip - Key West | Tue, Dec 9 | Cape Air
        EYW 18:10
        16h 54m
        2 stops
        ISP 11:04
        Key West - Islip | Sat, Dec 13 | Delta Air Lines
        PHP 47,106 PHP 79,186
        41% OFF
        41% OFF
        PHP 79,186 PHP 47,106
      • ISP 12:40
        25h 11m
        2 stops
        EYW 13:51
        Islip - Key West | Sun, Dec 14 | Cape Air
        EYW 16:10
        18h 54m
        2 stops
        ISP 11:04
        Key West - Islip | Sun, Dec 21 | United Airlines
        PHP 48,708 PHP 79,186
        38% OFF
        38% OFF
        PHP 79,186 PHP 48,708
      • ISP 12:25
        23h 40m
        2 stops
        EYW 12:05
        Islip - Key West | Sat, Jan 24 | Jetblue Airways
        EYW 13:00
        19h 52m
        2 stops
        ISP 08:52
        Key West - Islip | Sat, Jan 31 | Jetblue Airways
        PHP 50,309 PHP 79,186
        36% OFF
        36% OFF
        PHP 79,186 PHP 50,309
      • ISP 07:25
        29h 38m
        2 stops
        EYW 13:03
        Islip - Key West | Sat, Jan 24 | Cape Air
        EYW 14:05
        26h 5m
        2 stops
        ISP 16:10
        Key West - Islip | Sat, Jan 31 | United Airlines
        PHP 54,154
        32% OFF
        PHP 79,186 PHP 54,154
      • ISP 07:30
        9h 40m
        2 stops
        EYW 17:10
        Islip - Key West | Wed, Dec 10 | Cape Air
        EYW 18:05
        22h 10m
        2 stops
        ISP 16:15
        Key West - Islip | Sun, Dec 14 | Delta Air Lines
        PHP 54,229
        32% OFF
        PHP 79,186 PHP 54,229
      • ISP 09:59
        28h 14m
        2 stops
        EYW 14:13
        Islip - Key West | Mon, Dec 22 | Cape Air
        EYW 15:09
        19h 56m
        2 stops
        ISP 11:05
        Key West - Islip | Fri, Dec 26 | United Airlines
        PHP 55,430
        30% OFF
        PHP 79,186 PHP 55,430
      • ISP 13:00
        17h 25m
        1 stop
        EYW Invalid Date
        Islip - Key West | Thu, Dec 11 | Normal Airline
        EYW 15:00
        6h
        Direct
        ISP 16:00
        Key West - Islip | Sat, Dec 13 | Normal Airline
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Displayed flight fares from Islip to Key West are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Flight details for Islip to Key West

The distance between Islip and Key West is approximately 1,977.58 km. Based on Trip.com's data travel demand peaks in November. The off-season for travel is September.

Cheapest one-way flight pricePHP 5,480
Cheapest round-trip ticket pricePHP 47,106
Off-season for travelSeptember
Peak season for travelNovember
Flight distance1,977.58 km
Popular airlineFrontier Airlines

Find the best time to fly from Islip to Key West

The cheapest time for Islip to Key West flights: Dec 7 to Dec 14 — one way flight prices from PHP 5,480.

Cheapest flights
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  • 714
  • 1421
  • 2128

  • Jan

    284
  • 411
  • 1118
  • 1825

  • Feb

    251
  • 18
  • 815
  • 1522

  • Mar

    221
Displayed fare trends are based on Trip.com's aggregated average of the lowest flight prices from Islip to Key West, calculated over the upcoming 10 weeks.

Flight FAQs

  • What are the cheapest flights from Islip to Key West (ISP-EYW)?

    Based on Trip.com data, Frontier Airlines offers one-way fares as low as PHP 5,480 on Cheapest nonstop routes (e.g. ISP to EYW on Sun, Dec 14), while Cape Air offers Cheapest nonstop round-trips from PHP 47,106 departing on Tue, Dec 9 and returning on Sat, Dec 13.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Islip 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.
  • To find best deals on flights from Islip to Key West, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Sun, Dec 14, with one-way flights priced at just PHP 5,480.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Frontier Airlines.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Key West travel is around November.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Islip to Key West is September, when demand for travel is lower.
  • The time difference between Key West and Islip is 0h.
  • 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.