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Cheap flights from Ontario to Islip, NY

YYZ — ISP
20 Nov — 27 Nov1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Ontario to Islip

Popular in

September

Cheapest in

April

Average price

C$ 391
Highest demand for flights based on searches. 6% potential increase in price (C$ 37 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease (C$ 7 potential savings vs. average RT price).
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Average for round-trip flights in October 2026
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Related info for your journey

  • What airport do you fly into for flights to Islip from Ontario?

    For a flight from Ontario to Islip, you will be flying into Long Island. Islip Long Island (ISP) is just 11.6 km from the centre of the city.

  • What are the most popular routes from Region of Ontario to Islip, New York?

    When deciding which route to take from Region of Ontario to Islip, New York consider Toronto Pearson Intl - Islip Long Island, Montreal Pierre Elliott Trudeau Intl - Islip Long Island or Ottawa - Islip Long Island as they are the most popular.

  • Can I find deals for flights from Ontario to Islip that include hotel bookings?

    Yes. In addition to deals on Ontario to Islip flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Islip?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Islip.

  • Can I find deals for business class flights from Ontario to Islip?

    Yes. Cheapflights offers flight deals from Ontario to Islip by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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Alternative routes for Ontario to Islip

Toronto Island to Newark flights
Pearson Intl to Newark flights
Pearson Intl to John F Kennedy Intl flights
Pierre Elliott Trudeau Intl to Newark flights
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Pierre Elliott Trudeau Intl to LaGuardia flights
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Ottawa to John F Kennedy Intl flights
Ottawa to LaGuardia flights
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Abbotsford to LaGuardia flights
Edmonton to John F Kennedy Intl flights
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Québec City to LaGuardia flights
Edmonton to Newark flights
Abbotsford to Newark flights
Winnipeg to Newark flights
Winnipeg to LaGuardia flights
Halifax to John F Kennedy Intl flights
Winnipeg to John F Kennedy Intl flights
Québec City to John F Kennedy Intl flights
Vancouver Intl to Buffalo flights
Pearson Intl to Buffalo flights
Saskatoon to Newark flights
Saskatoon to LaGuardia flights
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Kelowna to John F Kennedy Intl flights
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Pearson Intl to Stewart flights
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Yes! Cheapflights helps users easily find flights from Ontario to Islip with no change fees.

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