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Cheap flight deals from Islip to Kalispell Starting at AED 2,688

Discover our range of affordable one-way and round-trip flights from Islip to Kalispell and kick-start your next adventure today!

  • Round-trip
      • ISP06:00
        17h 44m
        2 stops
        FCA21:44
        Tue, Mar 11|Islip - Kalispell|Frontier Airlines
        FCA06:05
        17h 13m
        2 stops
        ISP01:18
        Mon, Mar 17|Kalispell - Islip|United Airlines
        AED 2,688AED 5,721
        53% OFF
        53% OFF
        AED 5,721AED 2,688

        Choose Frontier Airlines flights from Islip to Kalispell. The one-way connecting flight with Frontier Airlines departs from Long Island Macarthur Airport on Tue, Mar 11-Mon, Mar 17, arriving at Glacier Park International Airport. One-way Prices start from AED 2,688 including taxes and charges.

      • ISP09:41
        13h 58m
        2 stops
        FCA21:39
        Tue, Feb 25|Islip - Kalispell|Frontier Airlines
        FCA14:35
        16h 6m
        2 stops
        ISP08:41
        Mon, Mar 3|Kalispell - Islip|United Airlines
        AED 2,775AED 5,721
        52% OFF
        52% OFF
        AED 5,721AED 2,775

        Choose Frontier Airlines flights from Islip to Kalispell. The one-way connecting flight with Frontier Airlines departs from Long Island Macarthur Airport on Tue, Feb 25-Mon, Mar 3, arriving at Glacier Park International Airport. One-way Prices start from AED 2,775 including taxes and charges.

      • ISP09:07
        16h 52m
        2 stops
        FCA23:59
        Fri, Feb 28|Islip - Kalispell|Frontier Airlines
        FCA12:53
        29h 11m
        2 stops
        ISP20:04
        Thu, Mar 6|Kalispell - Islip|Alaska Airlines
        AED 2,956AED 5,721
        48% OFF
        48% OFF
        AED 5,721AED 2,956

        Choose Frontier Airlines flights from Islip to Kalispell. The one-way connecting flight with Frontier Airlines departs from Long Island Macarthur Airport on Fri, Feb 28-Thu, Mar 6, arriving at Glacier Park International Airport. One-way Prices start from AED 2,956 including taxes and charges.

      • ISP15:46
        31h 53m
        2 stops
        FCA21:39
        Mon, Mar 3|Islip - Kalispell|Frontier Airlines
        FCA14:35
        21h 59m
        2 stops
        ISP14:34
        Sun, Mar 9|Kalispell - Islip|United Airlines
        AED 2,973
        AED 2,973

        Choose Frontier Airlines flights from Islip to Kalispell. The one-way connecting flight with Frontier Airlines departs from Long Island Macarthur Airport on Mon, Mar 3-Sun, Mar 9, arriving at Glacier Park International Airport. One-way Prices start from AED 2,973 including taxes and charges.

      • ISP09:41
        13h 58m
        2 stops
        FCA21:39
        Wed, Feb 19|Islip - Kalispell|Frontier Airlines
        FCA14:35
        16h 6m
        2 stops
        ISP08:41
        Tue, Feb 25|Kalispell - Islip|United Airlines
        AED 3,236
        AED 3,236

        Choose Frontier Airlines flights from Islip to Kalispell. The one-way connecting flight with Frontier Airlines departs from Long Island Macarthur Airport on Wed, Feb 19-Tue, Feb 25, arriving at Glacier Park International Airport. One-way Prices start from AED 3,236 including taxes and charges.

      • ISP15:34
        25h 30m
        2 stops
        FCA15:04
        Mon, Mar 10|Islip - Kalispell|Frontier Airlines
        FCA19:07
        17h 27m
        2 stops
        ISP14:34
        Sun, Mar 16|Kalispell - Islip|Alaska Airlines
        AED 3,269
        AED 3,269

        Choose Frontier Airlines flights from Islip to Kalispell. The one-way connecting flight with Frontier Airlines departs from Long Island Macarthur Airport on Mon, Mar 10-Sun, Mar 16, arriving at Glacier Park International Airport. One-way Prices start from AED 3,269 including taxes and charges.

      • ISP08:42
        14h 57m
        2 stops
        FCA21:39
        Sun, Feb 23|Islip - Kalispell|Frontier Airlines
        FCA07:00
        22h 52m
        2 stops
        ISP07:52
        Sat, Mar 1|Kalispell - Islip|United Airlines
        AED 3,461
        AED 3,461

        Choose Frontier Airlines flights from Islip to Kalispell. The one-way connecting flight with Frontier Airlines departs from Long Island Macarthur Airport on Sun, Feb 23-Sat, Mar 1, arriving at Glacier Park International Airport. One-way Prices start from AED 3,461 including taxes and charges.

      • ISP20:51
        21h 19m
        2 stops
        FCA16:10
        Sun, Mar 9|Islip - Kalispell|Frontier Airlines
        FCA07:00
        34h 51m
        2 stops
        ISP19:51
        Sat, Mar 15|Kalispell - Islip|United Airlines
        AED 3,851
        AED 3,851

        Choose Frontier Airlines flights from Islip to Kalispell. The one-way connecting flight with Frontier Airlines departs from Long Island Macarthur Airport on Sun, Mar 9-Sat, Mar 15, arriving at Glacier Park International Airport. One-way Prices start from AED 3,851 including taxes and charges.

      • ISP14:10
        33h 29m
        2 stops
        FCA21:39
        Mon, Mar 3|Islip - Kalispell|Jetblue Airways
        FCA14:35
        27h 5m
        2 stops
        ISP19:40
        Sun, Mar 9|Kalispell - Islip|United Airlines
        AED 4,022
        AED 4,022

        Choose Jetblue Airways flights from Islip to Kalispell. The one-way connecting flight with Jetblue Airways departs from Long Island Macarthur Airport on Mon, Mar 3-Sun, Mar 9, arriving at Glacier Park International Airport. One-way Prices start from AED 4,022 including taxes and charges.

      • ISP08:47
        14h 52m
        2 stops
        FCA21:39
        Sat, Mar 1|Islip - Kalispell|Frontier Airlines
        FCA12:53
        17h 14m
        2 stops
        ISP08:07
        Fri, Mar 7|Kalispell - Islip|Alaska Airlines
        AED 4,126
        AED 4,126

        Choose Frontier Airlines flights from Islip to Kalispell. The one-way connecting flight with Frontier Airlines departs from Long Island Macarthur Airport on Sat, Mar 1-Fri, Mar 7, arriving at Glacier Park International Airport. One-way Prices start from AED 4,126 including taxes and charges.

      • ISP01:00 pm
        3h 5m
        Nonstop
        FCA02:00 pm
        Sat, Feb 22|Islip - Kalispell|Frontier Airlines
        Find More Flights
        Find More Flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Islip to Kalispell flight time & flight schedules

Flight info.
Departure
Arrival
Weekly Schedule

  1. F93055

    Frontier Airlines

    08:42

    ISP

    3.2h

    11:52

    MCO

    SMTWTFS
    Search

  2. AS419

    Alaska Airlines

    16:39

    MCO

    6.2h

    19:51

    SEA

    SMTWTFS

  3. AS2284

    Alaska Airlines

    21:40

    SEA

    1.3h

    23:58

    FCA

    SMTWTFS

  4. F93055

    Frontier Airlines

    08:42

    ISP

    3.2h

    11:52

    MCO

    SMTWTFS
    Search

  5. UA531

    United Airlines

    15:20

    MCO

    4.4h

    17:42

    DEN

    SMTWTFS

  6. UA696

    United Airlines

    19:25

    DEN

    2.3h

    21:41

    FCA

    SMTWTFS

  7. F93389

    Frontier Airlines

    10:50

    ISP

    3.0h

    13:53

    FLL

    SMTWTFS
    Search

  8. UA1729

    United Airlines

    13:55

    FLL

    4.7h

    16:35

    DEN

    SMTWTFS

  9. UA696

    United Airlines

    19:25

    DEN

    2.3h

    21:41

    FCA

    SMTWTFS

  10. F93389

    Frontier Airlines

    10:50

    ISP

    3.0h

    13:53

    FLL

    SMTWTFS
    Search

  11. AS519

    Alaska Airlines

    08:00

    FLL

    6.6h

    11:35

    SEA

    SMTWTFS

  12. AS2072

    Alaska Airlines

    13:00

    SEA

    1.4h

    15:23

    FCA

    SMTWTFS

  13. B6547

    Jetblue Airways

    13:00

    ISP

    2.7h

    15:41

    MCO

    SMTWTFS
    Search

  14. UA2297

    United Airlines

    07:56

    MCO

    4.8h

    10:42

    DEN

    SMTWTFS

  15. UA5913

    United Airlines

    13:43

    DEN

    2.4h

    16:09

    FCA

    SMTWTFS

  16. B6547

    Jetblue Airways

    13:00

    ISP

    2.7h

    15:41

    MCO

    SMTWTFS
    Search

  17. AS419

    Alaska Airlines

    16:39

    MCO

    6.2h

    19:51

    SEA

    SMTWTFS

  18. AS2284

    Alaska Airlines

    21:40

    SEA

    1.3h

    23:58

    FCA

    SMTWTFS

  19. B6513

    Jetblue Airways

    17:35

    ISP

    2.9h

    20:31

    FLL

    S-T-TF-
    Search

  20. UA1729

    United Airlines

    13:55

    FLL

    4.7h

    16:35

    DEN

    SMTWTFS

  21. UA696

    United Airlines

    19:25

    DEN

    2.3h

    21:41

    FCA

    SMTWTFS

  22. B6513

    Jetblue Airways

    17:35

    ISP

    2.9h

    20:31

    FLL

    S-T-TF-
    Search

  23. AS519

    Alaska Airlines

    08:00

    FLL

    6.6h

    11:35

    SEA

    SMTWTFS

  24. AS2072

    Alaska Airlines

    13:00

    SEA

    1.4h

    15:23

    FCA

    SMTWTFS

  25. F91237

    Frontier Airlines

    18:51

    ISP

    2.9h

    21:42

    MCO

    SMTWTFS
    Search

  26. UA2297

    United Airlines

    07:56

    MCO

    4.8h

    10:42

    DEN

    SMTWTFS

  27. UA5913

    United Airlines

    13:43

    DEN

    2.4h

    16:09

    FCA

    SMTWTFS
Find more flights and airlines

When is the cheapest time to fly from Islip to Kalispell?

Explore the best time to buy affordable tickets to Kalispell with our price trend chart, which predicts how flight prices will change in the coming weeks from previous data.

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

  • When are flight tickets from Islip (ISP) to Kalispell (FCA) the cheapest?

    Airlines adjust prices for flights from Islip to Kalispell based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much do flights from Islip (ISP) to Kalispell (FCA) cost?

    According to Trip.com's data, the lowest price is around AED 1,544.

  • What is the transportation method from the main airport to downtown in Kalispell?

    • The distance from Glacier Park International Airport to downtown is about 12 km, by taxi about 30 minutes.

  • How many airports are there in Kalispell (FCA)?

    There are 1 airport(s) near Kalispell (FCA): Glacier Park International Airport.

How to find a cheap flight from Islip to Kalispell

If you leave it until the last minute and forget to check some of the key information when booking tickets, prices can often end up skyrocketing. Below, you can find our top tips for getting the best value flights – from changing dates to chasing deals, there are plenty ways to keep your next trip affordable.
1
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com

Flight Info | Islip to Kalispell

Off-season for travelDecember
Peak season for travelAugust
Flight distance3,323.35 km
Popular airlineFrontier Airlines

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