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Flights from Cleveland to Islip

Find flight deals from Cleveland to Islip for the next 3 months. Book one way flights from US$52 or round trip flights from US$247.

      • CLE 8:00 AM
        9h 50m
        1 stop
        ISP 5:50 PM
        Cleveland - Islip | Sat, Jan 24 | Frontier Airlines
        ISP 11:00 AM
        10h 15m
        1 stop
        CLE 9:15 PM
        Islip - Cleveland | Mon, Jan 26 | Jetblue Airways
        US$247 US$957
        74% OFF
        74% OFF
        US$957 US$247
      • CLE 8:11 AM
        9h 39m
        1 stop
        ISP 5:50 PM
        Cleveland - Islip | Sat, Jan 24 | United Airlines
        ISP 11:00 AM
        8h 6m
        1 stop
        CLE 7:06 PM
        Islip - Cleveland | Mon, Jan 26 | Jetblue Airways
        US$400 US$957
        57% OFF
        57% OFF
        US$957 US$400
      • CLE 11:43 AM
        13h 12m
        1 stop
        ISP 12:55 AM
        Cleveland - Islip | Tue, Dec 30 | Spirit Airlines
        ISP 4:40 PM
        17h 57m
        1 stop
        CLE 10:37 AM
        Islip - Cleveland | Fri, Jan 2 | Frontier Airlines
        US$440 US$957
        54% OFF
        54% OFF
        US$957 US$440
      • CLE 4:48 PM
        17h 13m
        1 stop
        ISP 10:01 AM
        Cleveland - Islip | Mon, Dec 29 | Frontier Airlines
        ISP 10:46 AM
        13h 5m
        1 stop
        CLE 11:51 PM
        Islip - Cleveland | Thu, Jan 1 | Jetblue Airways
        US$464
        52% OFF
        US$957 US$464
      • CLE 6:00 AM
        10h 15m
        1 stop
        ISP 4:15 PM
        Cleveland - Islip | Sat, Jan 24 | Delta Air Lines
        ISP 7:30 AM
        14h 4m
        1 stop
        CLE 9:34 PM
        Islip - Cleveland | Mon, Jan 26 | Cape Air
        US$735
        23% OFF
        US$957 US$735
      • CLE 5:06 PM
        7h 49m
        1 stop
        ISP 12:55 AM
        Cleveland - Islip | Tue, Dec 30 | Frontier Airlines
        ISP 4:40 PM
        27h 7m
        1 stop
        CLE 7:47 PM
        Islip - Cleveland | Fri, Jan 2 | Frontier Airlines
        US$762
        20% OFF
        US$957 US$762
      • CLE 6:00 AM
        5h 4m
        1 stop
        ISP 11:04 AM
        Cleveland - Islip | Mon, Dec 29 | Jetblue Airways
        ISP 12:40 PM
        11h
        1 stop
        CLE 11:40 PM
        Islip - Cleveland | Thu, Jan 1 | Cape Air
        US$796
        17% OFF
        US$957 US$796
      • CLE 12:44 PM
        7h 1m
        1 stop
        ISP 7:45 PM
        Cleveland - Islip | Thu, Dec 18 | Jetblue Airways
        ISP 12:30 PM
        11h 10m
        1 stop
        CLE 11:40 PM
        Islip - Cleveland | Sun, Dec 21 | Cape Air
        US$804
        16% OFF
        US$957 US$804
      • CLE 6:00 AM
        5h 5m
        1 stop
        ISP 11:05 AM
        Cleveland - Islip | Thu, Dec 18 | Delta Air Lines
        ISP 12:30 PM
        10h 44m
        1 stop
        CLE 11:14 PM
        Islip - Cleveland | Sun, Dec 21 | Cape Air
        US$832
        13% OFF
        US$957 US$832
      • CLE 6:00 AM
        5h 4m
        1 stop
        ISP 11:04 AM
        Cleveland - Islip | Tue, Dec 30 | Jetblue Airways
        ISP 12:40 PM
        11h
        1 stop
        CLE 11:40 PM
        Islip - Cleveland | Fri, Jan 2 | Cape Air
        US$862
        10% OFF
        US$957 US$862
      • CLE 1:00 PM
        17h 25m
        1 stop
        ISP Invalid Date
        Cleveland - Islip | Sat, Dec 13 | Normal Airline
        ISP 3:00 PM
        6h
        Nonstop
        CLE 4:00 PM
        Islip - Cleveland | Mon, Dec 15 | Normal Airline
        Find More Flights
        Find More Flights
      • CLE 6:00 PM
        24h 48m
        1 stop
        ISP 6:48 PM
        Cleveland - Islip | Wed, Jan 28 | Frontier Airlines
        US$52 US$268
        81% OFF
        81% OFF
        US$268 US$52
      • CLE 11:16 AM
        27h 23m
        1 stop
        ISP 2:39 PM
        Cleveland - Islip | Mon, Jan 5 | Frontier Airlines
        US$63 US$268
        76% OFF
        76% OFF
        US$268 US$63
      • CLE 7:17 PM
        13h 38m
        1 stop
        ISP 8:55 AM
        Cleveland - Islip | Sun, Jan 11 | Frontier Airlines
        US$79 US$268
        71% OFF
        71% OFF
        US$268 US$79
      • CLE 5:30 AM
        14h 39m
        1 stop
        ISP 8:09 PM
        Cleveland - Islip | Fri, Jan 16 | Frontier Airlines
        US$83
        69% OFF
        US$268 US$83
      • CLE 2:13 PM
        9h 18m
        1 stop
        ISP 11:31 PM
        Cleveland - Islip | Thu, Dec 18 | Frontier Airlines
        US$110
        59% OFF
        US$268 US$110
      • CLE 11:43 AM
        13h 12m
        1 stop
        ISP 12:55 AM
        Cleveland - Islip | Thu, Dec 18 | Spirit Airlines
        US$122
        55% OFF
        US$268 US$122
      • CLE 7:17 PM
        27h 27m
        1 stop
        ISP 10:44 PM
        Cleveland - Islip | Tue, Dec 16 | Frontier Airlines
        US$144
        46% OFF
        US$268 US$144
      • CLE 3:54 PM
        9h 1m
        1 stop
        ISP 12:55 AM
        Cleveland - Islip | Mon, Dec 29 | Frontier Airlines
        US$174
        35% OFF
        US$268 US$174
      • CLE 11:43 AM
        13h 12m
        1 stop
        ISP 12:55 AM
        Cleveland - Islip | Mon, Dec 29 | Spirit Airlines
        US$185
        31% OFF
        US$268 US$185
      • CLE 4:24 PM
        8h 31m
        1 stop
        ISP 12:55 AM
        Cleveland - Islip | Thu, Dec 25 | Frontier Airlines
        US$241
        10% OFF
        US$268 US$241
      • CLE 1:00 PM
        17h 25m
        1 stop
        ISP Invalid Date
        Cleveland - Islip | Sat, Dec 13 | Normal Airline
        Find More Flights
        Find More Flights

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.

Flying from Cleveland to Islip

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

Cheapest one-way flight priceUS$52
Cheapest round-trip ticket priceUS$247
Off-season for travelSeptember
Peak season for travelJuly
Flight distance736.02 km

When is the cheapest 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 US$52.

Cheapest flights
From price
Search
  • 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.

Frequently Asked Questions

  • What are the cheapest flights from Cleveland to Islip (CLE-ISP)?

    Based on Trip.com data, Frontier Airlines offers one-way fares as low as US$52 on Cheapest nonstop routes (e.g. CLE to ISP on Wed, Jan 28), while Frontier Airlines offers Cheapest nonstop round-trips from US$247 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 US$52.
    · 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 US$439.
  • The time difference between Islip and Cleveland 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.

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