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Flights from Cleveland to Islip

Find the cheapest flight options from Cleveland to Islip over the next three months. Book one-way tickets from SGD 67 and round-trip tickets from SGD 320.

      • CLE 08:00
        9h 50m
        1 stop
        ISP 17:50
        Cleveland - Islip | Sat, Jan 24 | Frontier Airlines
        ISP 11:00
        10h 15m
        1 stop
        CLE 21:15
        Islip - Cleveland | Mon, Jan 26 | Jetblue Airways
        SGD 320 SGD 1,254
        75% OFF
        75% OFF
        SGD 1,254 SGD 320
      • CLE 08:11
        9h 39m
        1 stop
        ISP 17:50
        Cleveland - Islip | Sat, Jan 24 | United Airlines
        ISP 11:00
        8h 6m
        1 stop
        CLE 19:06
        Islip - Cleveland | Mon, Jan 26 | Jetblue Airways
        SGD 518 SGD 1,254
        59% OFF
        59% OFF
        SGD 1,254 SGD 518
      • CLE 11:43
        13h 12m
        1 stop
        ISP 00:55
        Cleveland - Islip | Tue, Dec 30 | Spirit Airlines
        ISP 16:40
        17h 57m
        1 stop
        CLE 10:37
        Islip - Cleveland | Fri, Jan 2 | Frontier Airlines
        SGD 570 SGD 1,254
        55% OFF
        55% OFF
        SGD 1,254 SGD 570
      • CLE 16:48
        17h 13m
        1 stop
        ISP 10:01
        Cleveland - Islip | Mon, Dec 29 | Frontier Airlines
        ISP 10:46
        13h 5m
        1 stop
        CLE 23:51
        Islip - Cleveland | Thu, Jan 1 | Jetblue Airways
        SGD 601
        52% OFF
        SGD 1,254 SGD 601
      • CLE 06:00
        10h 15m
        1 stop
        ISP 16:15
        Cleveland - Islip | Sat, Jan 24 | Delta Air Lines
        ISP 07:30
        14h 4m
        1 stop
        CLE 21:34
        Islip - Cleveland | Mon, Jan 26 | Cape Air
        SGD 952
        24% OFF
        SGD 1,254 SGD 952
      • CLE 17:06
        7h 49m
        1 stop
        ISP 00:55
        Cleveland - Islip | Tue, Dec 30 | Frontier Airlines
        ISP 16:40
        27h 7m
        1 stop
        CLE 19:47
        Islip - Cleveland | Fri, Jan 2 | Frontier Airlines
        SGD 987
        21% OFF
        SGD 1,254 SGD 987
      • CLE 06:00
        5h 4m
        1 stop
        ISP 11:04
        Cleveland - Islip | Mon, Dec 29 | Jetblue Airways
        ISP 12:40
        11h
        1 stop
        CLE 23:40
        Islip - Cleveland | Thu, Jan 1 | Cape Air
        SGD 1,032
        18% OFF
        SGD 1,254 SGD 1,032
      • CLE 12:44
        7h 1m
        1 stop
        ISP 19:45
        Cleveland - Islip | Thu, Dec 18 | Jetblue Airways
        ISP 12:30
        11h 10m
        1 stop
        CLE 23:40
        Islip - Cleveland | Sun, Dec 21 | Cape Air
        SGD 1,042
        17% OFF
        SGD 1,254 SGD 1,042
      • CLE 06:00
        5h 5m
        1 stop
        ISP 11:05
        Cleveland - Islip | Thu, Dec 18 | Delta Air Lines
        ISP 12:30
        10h 44m
        1 stop
        CLE 23:14
        Islip - Cleveland | Sun, Dec 21 | Cape Air
        SGD 1,078
        14% OFF
        SGD 1,254 SGD 1,078
      • CLE 06:00
        5h 4m
        1 stop
        ISP 11:04
        Cleveland - Islip | Tue, Dec 30 | Jetblue Airways
        ISP 12:40
        11h
        1 stop
        CLE 23:40
        Islip - Cleveland | Fri, Jan 2 | Cape Air
        SGD 1,117
        11% OFF
        SGD 1,254 SGD 1,117
      • CLE 13:00
        17h 25m
        1 stop
        ISP Invalid Date
        Cleveland - Islip | Fri, Dec 12 | Normal Airline
        ISP 15:00
        6h
        Direct
        CLE 16:00
        Islip - Cleveland | Sun, Dec 14 | Normal Airline
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Displayed flight fares from Cleveland to Islip are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Flight details for Cleveland to Islip

The distance between Cleveland and Islip is 736.02km. Based on Trip.com's data, travel demand peaks in July. The off-season for travel is September.

Cheapest one-way flight priceSGD 67
Cheapest return ticket priceSGD 320
Off-season travel monthSeptember
Peak season for travelJuly
Flight distance736.02km

Find the best time to fly from Cleveland to Islip

The cheapest time for Cleveland to Islip flights: Jan 25 to Feb 1 — one way flight prices from SGD 67.

Cheapest flights
From price
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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 Cleveland to Islip, calculated over the upcoming 10 weeks.

Flight FAQs

  • Which airlines offer the cheapest flights from Cleveland (CLE) to Islip (ISP)?

    Based on Trip.com data, Frontier Airlines offers one-way fares as low as SGD 67 on Cheapest nonstop routes (e.g. CLE to ISP on Wed, Jan 28), while Frontier Airlines offers Cheapest nonstop round-trips from SGD 320 departing on Sat, Jan 24 and returning on Mon, Jan 26.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Cleveland to Islip 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 Cleveland to Islip, 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 Wed, Jan 28, with one-way flights priced at just SGD 67.
    · 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 Islip travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Cleveland to Islip is September, when demand for travel is lower.
  • After crunching the numbers on our December flight calendar, it's currently cheapest to fly from Cleveland to Islip on December 30, 2025 with Spirit Airlines, with prices starting at SGD 569.
  • The time difference between Islip and Cleveland is 0h.
  • Tickets can only be changed or cancelled 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.

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