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Cheap flight deals from St. Louis to Islip Starting at AED 245

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

  • One way
  • Round-trip
      • STL17:20
        13h 47m
        1 stop
        ISP08:07
        Wed, Feb 19|St. Louis - Islip|Frontier Airlines
        AED 245AED 672
        63% OFF
        63% OFF
        AED 672AED 245

        Choose Frontier Airlines flights from St. Louis to Islip. The one-way connecting flight with Frontier Airlines departs from St. Louis Lambert International Airport on Wed, Feb 19, arriving at Long Island Macarthur Airport. One-way Prices start from AED 245 including taxes and charges.

      • STL17:20
        13h 32m
        1 stop
        ISP07:52
        Sat, Mar 1|St. Louis - Islip|Frontier Airlines
        AED 311AED 672
        54% OFF
        54% OFF
        AED 672AED 311

        Choose Frontier Airlines flights from St. Louis to Islip. The one-way connecting flight with Frontier Airlines departs from St. Louis Lambert International Airport on Sat, Mar 1, arriving at Long Island Macarthur Airport. One-way Prices start from AED 311 including taxes and charges.

      • STL17:24
        25h 40m
        1 stop
        ISP20:04
        Wed, Mar 26|St. Louis - Islip|Frontier Airlines
        AED 517AED 672
        23% OFF
        23% OFF
        AED 672AED 517

        Choose Frontier Airlines flights from St. Louis to Islip. The one-way connecting flight with Frontier Airlines departs from St. Louis Lambert International Airport on Wed, Mar 26, arriving at Long Island Macarthur Airport. One-way Prices start from AED 517 including taxes and charges.

      • STL01:00 pm
        3h 5m
        Nonstop
        ISP02:00 pm
        Sat, Feb 22|St. Louis - Islip|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.

St. Louis to Islip flight time & flight schedules

Flight info.
Departure
Arrival
Weekly Schedule

  1. UA3564

    United Airlines

    07:05

    STL

    2.5h

    10:34

    EWR

    SMTWTFS
    Search

  2. UA1409

    United Airlines

    11:30

    EWR

    3.0h

    14:27

    MCO

    SMTWTFS

  3. F93056

    Frontier Airlines

    07:13

    MCO

    2.8h

    10:00

    ISP

    SMTWTFS

  4. UA4426

    United Airlines

    10:39

    STL

    1.4h

    12:05

    ORD

    SMTWTFS
    Search

  5. UA455

    United Airlines

    13:05

    ORD

    2.8h

    16:52

    MCO

    SMTWTFS

  6. F91238

    Frontier Airlines

    05:15

    MCO

    2.6h

    07:52

    ISP

    SMTWTFS

  7. WN3433

    Southwest Airlines

    13:40

    STL

    2.4h

    15:05

    DEN

    S-T-T-S
    Search

  8. F91734

    Frontier Airlines

    00:46

    DEN

    3.7h

    06:30

    MCO

    SMTWTFS

  9. F93056

    Frontier Airlines

    07:13

    MCO

    2.8h

    10:00

    ISP

    SMTWTFS

  10. UA1840

    United Airlines

    15:32

    STL

    1.4h

    16:54

    ORD

    SMTWT--
    Search

  11. UA2039

    United Airlines

    17:50

    ORD

    2.9h

    21:41

    MCO

    SMTWTFS

  12. F91238

    Frontier Airlines

    05:15

    MCO

    2.6h

    07:52

    ISP

    SMTWTFS

  13. UA2121

    United Airlines

    16:17

    STL

    2.3h

    18:35

    IAH

    SMTWTFS
    Search

  14. UA750

    United Airlines

    19:50

    IAH

    2.4h

    23:15

    MCO

    S--WT-S

  15. F91238

    Frontier Airlines

    05:15

    MCO

    2.6h

    07:52

    ISP

    SMTWTFS

  16. F92636

    Frontier Airlines

    17:20

    STL

    2.5h

    20:51

    MCO

    SMTWTFS
    Search

  17. F93056

    Frontier Airlines

    07:13

    MCO

    2.8h

    10:00

    ISP

    SMTWTFS

  18. F92636

    Frontier Airlines

    17:20

    STL

    2.5h

    20:51

    MCO

    SMTWTFS
    Search

  19. F91238

    Frontier Airlines

    05:15

    MCO

    2.6h

    07:52

    ISP

    SMTWTFS

  20. F92630

    Frontier Airlines

    17:47

    STL

    2.5h

    21:19

    MCO

    S------
    Search

  21. F93056

    Frontier Airlines

    07:13

    MCO

    2.8h

    10:00

    ISP

    SMTWTFS

  22. F92630

    Frontier Airlines

    17:47

    STL

    2.5h

    21:19

    MCO

    S------
    Search

  23. F91238

    Frontier Airlines

    05:15

    MCO

    2.6h

    07:52

    ISP

    SMTWTFS
Find more flights and airlines

When is the cheapest time to fly from St. Louis to Islip?

These price trend charts carefully monitor and predict how flight prices from St. Louis to Islip will change. Keep a close eye on them to understand when the best time to buy your tickets is.

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 St. Louis (STL) to Islip (ISP) the cheapest?

    Airlines adjust prices for flights from St. Louis to Islip 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 St. Louis (STL) to Islip (ISP) cost?

    According to Trip.com's data, the lowest price is around AED 1,314.

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

    • The distance from Long Island Macarthur Airport to downtown is about 11 km, by taxi about 30 minutes.

  • How many airports are there in Islip (ISP)?

    There are 1 airport(s) near Islip (ISP): Long Island Macarthur Airport.

How to find a cheap flight from St. Louis to Islip

If you don’t know some of the key things to look out for when buying flight tickets, prices can often end up sky high or, worse, sold out! We’ve carefully compiled our six most important steps to help ensure you’re getting the best deals when planning your next journey.
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 | St. Louis to Islip

Cheapest direct flight priceAED 245
Off-season for travelMarch
Peak season for travelJanuary
Flight distance1,478.87 km
Popular airlineFrontier Airlines

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