Cheap Flights from Ontario to Islip
We've found these cheap flights for you. You can book one-way or return flight tickets.
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Flight deals from Ontario to Islip
We've found these cheap flights for you. You can book one-way or return flight tickets.
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Round-trip
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One way
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ONT 14:0616h 54m2 stopsISP 10:00Ontario - Islip | Mon, Apr 28 | Frontier Airlines
ISP 18:5119h 35m2 stopsSIN 11:26Islip - Ontario | Tue, May 6 | Frontier AirlinesNZD 420 NZD 2,57184% OFF84% OFFNZD 2,571 NZD 420 -
ONT 00:5928h 45m2 stopsISP 08:44Ontario - Islip | Tue, Apr 15 | Frontier Airlines
ISP 18:5139h 34m2 stopsSIN 07:25Islip - Ontario | Tue, Apr 22 | Frontier AirlinesNZD 548 NZD 2,57179% OFF79% OFFNZD 2,571 NZD 548
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ONT 00:5928h 11m2 stopsISP 08:10Ontario - Islip | Wed, Apr 16 | Frontier Airlines
ISP 18:5130h 14m2 stopsSIN 22:05Islip - Ontario | Wed, Apr 23 | Frontier AirlinesNZD 566 NZD 2,57178% OFF78% OFFNZD 2,571 NZD 566
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ONT 14:0616h 54m2 stopsISP 10:00Ontario - Islip | Sun, Apr 27 | Frontier Airlines
ISP 06:0010h 25m1 stopsSIN 13:25Islip - Ontario | Sun, May 4 | Jetblue AirwaysNZD 66774% OFFNZD 2,571 NZD 667
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ONT 06:0825h 33m2 stopsISP 10:41Ontario - Islip | Fri, May 16 | United Airlines
ISP 18:4817h 47m1 stopsSIN 09:35Islip - Ontario | Mon, May 19 | Frontier AirlinesNZD 86266% OFFNZD 2,571 NZD 862 -
ONT 06:1015h 8m2 stopsISP 00:18Ontario - Islip | Thu, Apr 24 | United Airlines
ISP 06:0019h 46m2 stopsSIN 22:46Islip - Ontario | Sat, Apr 26 | Frontier AirlinesNZD 96263% OFFNZD 2,571 NZD 962
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ONT 06:0815h 42m2 stopsISP 00:50Ontario - Islip | Sat, May 17 | United Airlines
ISP 06:0012h 10m1 stopsSIN 15:10Islip - Ontario | Fri, May 23 | Jetblue AirwaysNZD 1,02060% OFFNZD 2,571 NZD 1,020
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ONT 06:0031h 36m2 stopsISP 16:36Ontario - Islip | Thu, May 22 | United Airlines
ISP 06:0012h 15m1 stopsSIN 15:15Islip - Ontario | Mon, May 26 | Jetblue AirwaysNZD 1,85128% OFFNZD 2,571 NZD 1,851
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ONT 13:0017h 25m1 stopsISP Invalid DateOntario - Islip | Thu, Apr 17 | Normal Airline
ISP 15:006hNonstopONT 16:00Islip - Ontario | Sat, Apr 19 | Normal AirlineFind More FlightsFind More Flights
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ONT 00:5935h 24m2 stopsISP 15:23Ontario - Islip | Tue, Apr 22 | Frontier AirlinesNZD 283 NZD 64456% OFF56% OFFNZD 644 NZD 283
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ONT 14:0616h 54m2 stopsISP 10:00Ontario - Islip | Fri, Apr 25 | Frontier AirlinesNZD 289 NZD 64455% OFF55% OFFNZD 644 NZD 289
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ONT 20:4513h 33m2 stopsISP 13:18Ontario - Islip | Thu, Apr 24 | Frontier AirlinesNZD 297 NZD 64454% OFF54% OFFNZD 644 NZD 297
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ONT 12:2621h 2m2 stopsISP 12:28Ontario - Islip | Fri, May 2 | Frontier AirlinesNZD 31052% OFFNZD 644 NZD 310
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ONT 00:5915h 42m2 stopsISP 19:41Ontario - Islip | Wed, Jun 11 | Frontier AirlinesNZD 35046% OFFNZD 644 NZD 350
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ONT 12:1024h 13m2 stopsISP 15:23Ontario - Islip | Wed, Apr 23 | Frontier AirlinesNZD 35844% OFFNZD 644 NZD 358
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ONT 06:1015h 25m2 stopsISP 00:35Ontario - Islip | Wed, Apr 30 | United AirlinesNZD 43333% OFFNZD 644 NZD 433
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ONT 06:1030h 13m2 stopsISP 15:23Ontario - Islip | Mon, Apr 28 | United AirlinesNZD 45528% OFFNZD 644 NZD 455
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ONT 07:0014h 35m2 stopsISP 00:35Ontario - Islip | Wed, Apr 30 | American AirlinesNZD 46328% OFFNZD 644 NZD 463 -
ONT 00:5930h 13m2 stopsISP 10:12Ontario - Islip | Thu, May 1 | Frontier AirlinesNZD 46428% OFFNZD 644 NZD 464
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ONT 13:0017h 25m1 stopsISP Invalid DateOntario - Islip | Thu, Apr 17 | Normal AirlineFind More FlightsFind More Flights
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FAQ
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When are flight tickets from Ontario (ONT) to Islip (ISP) the cheapest?
Airlines adjust prices for flights from Ontario to Islip based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays. -
How much do flights from Ontario (ONT) to Islip (ISP) cost?
According to Trip.com's data, the lowest price is around NZD 771.
How to find a cheap flight from Ontario to Islip
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Flight Information from Ontario to Islip
| Off-season for travel | November |
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| Peak season for travel | November |
| Flight distance | 8,593.89 km |
| Popular airline | Frontier Airlines |