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Cheap flight deals from Islip to San Antonio Starting at €78

For as little as €78, you can take your next adventure to San Antonio without breaking the bank. Choose between one-way and return tickets from Islip below.

  • One way
  • Round-trip
      • ISP21:04
        21h 40m
        1 stop
        SAT17:44
        Wed, Mar 5|Islip - San Antonio|Frontier Airlines
        €78€290
        73% OFF
        73% OFF
        €290€78

        Choose Frontier Airlines flights from Islip to San Antonio. The one-way connecting flight with Frontier Airlines departs from Long Island Macarthur Airport on Wed, Mar 5, arriving at San Antonio International Airport. One-way Prices start from €78 including taxes and charges.

      • ISP08:47
        11h 27m
        1 stop
        SAT19:14
        Sat, Mar 1|Islip - San Antonio|Frontier Airlines
        €91€290
        69% OFF
        69% OFF
        €290€91

        Choose Frontier Airlines flights from Islip to San Antonio. The one-way connecting flight with Frontier Airlines departs from Long Island Macarthur Airport on Sat, Mar 1, arriving at San Antonio International Airport. One-way Prices start from €91 including taxes and charges.

      • ISP08:47
        11h 27m
        1 stop
        SAT19:14
        Sat, Feb 22|Islip - San Antonio|Frontier Airlines
        €102€290
        65% OFF
        65% OFF
        €290€102

        Choose Frontier Airlines flights from Islip to San Antonio. The one-way connecting flight with Frontier Airlines departs from Long Island Macarthur Airport on Sat, Feb 22, arriving at San Antonio International Airport. One-way Prices start from €102 including taxes and charges.

      • ISP09:07
        11h 30m
        1 stop
        SAT19:37
        Sat, Mar 8|Islip - San Antonio|Frontier Airlines
        €105
        €105

        Choose Frontier Airlines flights from Islip to San Antonio. The one-way connecting flight with Frontier Airlines departs from Long Island Macarthur Airport on Sat, Mar 8, arriving at San Antonio International Airport. One-way Prices start from €105 including taxes and charges.

      • ISP21:04
        11h 36m
        1 stop
        SAT07:40
        Thu, Mar 6|Islip - San Antonio|Frontier Airlines
        €108
        €108

        Choose Frontier Airlines flights from Islip to San Antonio. The one-way connecting flight with Frontier Airlines departs from Long Island Macarthur Airport on Thu, Mar 6, arriving at San Antonio International Airport. One-way Prices start from €108 including taxes and charges.

      • ISP21:04
        23h 33m
        1 stop
        SAT19:37
        Fri, Mar 7|Islip - San Antonio|Frontier Airlines
        €111
        €111

        Choose Frontier Airlines flights from Islip to San Antonio. The one-way connecting flight with Frontier Airlines departs from Long Island Macarthur Airport on Fri, Mar 7, arriving at San Antonio International Airport. One-way Prices start from €111 including taxes and charges.

      • ISP08:42
        11h 8m
        1 stop
        SAT18:50
        Sun, Mar 2|Islip - San Antonio|Frontier Airlines
        €126
        €126

        Choose Frontier Airlines flights from Islip to San Antonio. The one-way connecting flight with Frontier Airlines departs from Long Island Macarthur Airport on Sun, Mar 2, arriving at San Antonio International Airport. One-way Prices start from €126 including taxes and charges.

      • ISP20:35
        22h 9m
        1 stop
        SAT17:44
        Wed, Mar 5|Islip - San Antonio|Jetblue Airways
        €128
        €128

        Choose Jetblue Airways flights from Islip to San Antonio. The one-way connecting flight with Jetblue Airways departs from Long Island Macarthur Airport on Wed, Mar 5, arriving at San Antonio International Airport. One-way Prices start from €128 including taxes and charges.

      • ISP20:35
        24h 2m
        1 stop
        SAT19:37
        Sat, Mar 8|Islip - San Antonio|Jetblue Airways
        €130
        €130

        Choose Jetblue Airways flights from Islip to San Antonio. The one-way connecting flight with Jetblue Airways departs from Long Island Macarthur Airport on Sat, Mar 8, arriving at San Antonio International Airport. One-way Prices start from €130 including taxes and charges.

      • ISP20:35
        23h 15m
        1 stop
        SAT18:50
        Sat, Mar 1|Islip - San Antonio|Jetblue Airways
        €165
        €165

        Choose Jetblue Airways flights from Islip to San Antonio. The one-way connecting flight with Jetblue Airways departs from Long Island Macarthur Airport on Sat, Mar 1, arriving at San Antonio International Airport. One-way Prices start from €165 including taxes and charges.

      • ISP01:00 pm
        3h 5m
        Nonstop
        SAT02:00 pm
        Thu, Feb 20|Islip - San Antonio|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 San Antonio flight time & flight schedules

Flight info.
Departure
Arrival
Weekly Schedule

  1. F94935

    Frontier Airlines

    06:00

    ISP

    3.1h

    09:08

    RSW

    -M-W-FS
    Search

  2. UA2390

    United Airlines

    14:53

    RSW

    2.9h

    16:45

    IAH

    SMTWTFS

  3. UA1477

    United Airlines

    18:26

    IAH

    1.2h

    19:37

    SAT

    SMTWTFS

  4. F93055

    Frontier Airlines

    09:07

    ISP

    3.0h

    12:09

    MCO

    SMTWTFS
    Search

  5. F91875

    Frontier Airlines

    20:24

    MCO

    5.5h

    22:55

    LAS

    SMTWTFS

  6. F93418

    Frontier Airlines

    08:00

    LAS

    2.7h

    12:43

    SAT

    SMTWTFS

  7. F93055

    Frontier Airlines

    09:07

    ISP

    3.0h

    12:09

    MCO

    SMTWTFS
    Search

  8. F93311

    Frontier Airlines

    20:59

    MCO

    4.5h

    23:30

    DEN

    SMTWTFS

  9. F92356

    Frontier Airlines

    08:43

    DEN

    2.3h

    12:02

    SAT

    SM-WTFS

  10. F93055

    Frontier Airlines

    09:07

    ISP

    3.0h

    12:09

    MCO

    SMTWTFS
    Search

  11. UA774

    United Airlines

    11:53

    MCO

    2.8h

    13:40

    IAH

    SMTWTFS

  12. UA2399

    United Airlines

    14:40

    IAH

    1.2h

    15:52

    SAT

    SMTWTFS

  13. F93055

    Frontier Airlines

    09:07

    ISP

    3.0h

    12:09

    MCO

    SMTWTFS
    Search

  14. F91653

    Frontier Airlines

    16:35

    MCO

    3.3h

    18:50

    SAT

    S-TWTFS

  15. B6513

    Jetblue Airways

    12:20

    ISP

    3.0h

    15:20

    FLL

    S-T-TF-
    Search

  16. AA2397

    American Airlines

    17:36

    FLL

    2.1h

    19:45

    CLT

    SMTWTFS

  17. AA2441

    American Airlines

    20:25

    CLT

    3.1h

    22:31

    SAT

    SMTWTFS

  18. B6547

    Jetblue Airways

    13:00

    ISP

    2.7h

    15:41

    MCO

    SMTWTFS
    Search

  19. F91653

    Frontier Airlines

    16:35

    MCO

    3.3h

    18:50

    SAT

    S-TWTFS

  20. F93355

    Frontier Airlines

    16:54

    ISP

    3.0h

    19:52

    TPA

    S-TWT-S
    Search

  21. F93517

    Frontier Airlines

    15:06

    TPA

    4.3h

    17:21

    DEN

    S-TWTFS

  22. F92356

    Frontier Airlines

    08:43

    DEN

    2.3h

    12:02

    SAT

    SM-WTFS

  23. F91237

    Frontier Airlines

    18:51

    ISP

    2.9h

    21:42

    MCO

    SMTWTFS
    Search

  24. F93311

    Frontier Airlines

    20:59

    MCO

    4.5h

    23:30

    DEN

    SMTWTFS

  25. F92356

    Frontier Airlines

    08:43

    DEN

    2.3h

    12:02

    SAT

    SM-WTFS

  26. F91237

    Frontier Airlines

    18:51

    ISP

    2.9h

    21:42

    MCO

    SMTWTFS
    Search

  27. F91653

    Frontier Airlines

    16:35

    MCO

    3.3h

    18:50

    SAT

    S-TWTFS
Find more flights and airlines

When is the cheapest time to fly from Islip to San Antonio?

These price trend charts carefully monitor and predict how flight prices from Islip to San Antonio 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 Islip (ISP) to San Antonio (SAT) the cheapest?

    Airlines adjust prices for flights from Islip to San Antonio 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 San Antonio (SAT) cost?

    According to Trip.com's data, the lowest price is around €280.

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

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

  • What's the most popular airline for non-stop flights from Islip (ISP) to San Antonio (SAT)?

    Southwest Airlines operates 1 non-stop flights from Islip (ISP) to San Antonio (SAT).

  • How many airports are there in San Antonio (SAT)?

    There are 2 airport(s) near San Antonio (SAT): San Antonio International Airport and Kelly Field Annex/Lackland Air Force Base.

How to find a cheap flight from Islip to San Antonio

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 | Islip to San Antonio

Cheapest direct flight price€77
Off-season for travelMarch
Peak season for travelNovember
Flight distance2,610.23 km
Popular airlineJetblue Airways

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