$149 Find Cheap Flights from Islip to Ontario

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Islip to Ontario departing on 11/19. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Ontario

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Islip to Ontario, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Islip to Ontario, as well as popular online travel agencies
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Flight Deals

Book Cheap Islip to Ontario Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Islip to Ontario that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Islip to Ontario

Tue, Dec 16 - Tue, Dec 23
Multiple Airlines Logo
8:29 pm - 2:20 pmISP-YYZ
17h 51m1 stop
Multiple Airlines Logo
8:20 pm - 1:39 pmYYZ-ISP
41h 19m2 stops
$376Multiple Airlines
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Tue, Dec 16 - Tue, Dec 23
Multiple Airlines Logo
8:29 pm - 2:20 pmISP-YYZ
17h 51m1 stop
Multiple Airlines Logo
8:20 pm - 4:37 pmYYZ-ISP
20h 17m1 stop
$434Multiple Airlines
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Fri, Nov 14 - Sun, Nov 16
Multiple Airlines Logo
9:39 am - 9:19 pmISP-YYZ
11h 40m1 stop
Multiple Airlines Logo
8:15 pm - 10:37 amYYZ-ISP
14h 22m1 stop
$453Multiple Airlines
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Mon, Jan 26 - Mon, Feb 2
Multiple Airlines Logo
7:20 pm - 12:43 amISP-YUL
29h 23m2 stops
Multiple Airlines Logo
3:55 pm - 11:59 amYUL-ISP
20h 04m1 stop
$474Multiple Airlines
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Thu, Dec 25 - Tue, Dec 30
Multiple Airlines Logo
12:20 pm - 12:30 amISP-YUL
12h 10m1 stop
Multiple Airlines Logo
4:35 pm - 4:37 pmYUL-ISP
24h 02m1 stop
$572Multiple Airlines
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Thu, Dec 25 - Tue, Dec 30
Multiple Airlines Logo
10:38 am - 12:45 amISP-YUL
14h 07m2 stops
Multiple Airlines Logo
4:35 pm - 4:37 pmYUL-ISP
24h 02m1 stop
$591Multiple Airlines
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Fri, Nov 14 - Sun, Nov 16
Multiple Airlines Logo
9:39 am - 9:19 pmISP-YYZ
11h 40m1 stop
Multiple Airlines Logo
7:15 am - 8:42 pmYYZ-ISP
13h 27m2 stops
$629Multiple Airlines
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Mon, Jan 26 - Mon, Feb 2
Multiple Airlines Logo
12:40 pm - 5:05 pmISP-YUL
4h 25m1 stop
Multiple Airlines Logo
1:25 pm - 7:45 pmYUL-ISP
6h 20m1 stop
$2,555Multiple Airlines
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Thu, Dec 25 - Tue, Dec 30
Multiple Airlines Logo
12:40 pm - 9:42 pmISP-YUL
9h 02m2 stops
Multiple Airlines Logo
6:25 pm - 4:15 pmYUL-ISP
21h 50m2 stops
$2,570Multiple Airlines
Find Deal
Thu, Dec 25 - Tue, Dec 30
Multiple Airlines Logo
12:40 pm - 9:42 pmISP-YUL
9h 02m2 stops
Multiple Airlines Logo
6:00 am - 7:45 pmYUL-ISP
13h 45m3 stops
$2,635Multiple Airlines
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Booking Insights

KAYAK's insights & trends for Islip to Ontario flights

Get data-powered insights and trends into flights from Islip to Ontario to help you find the cheapest flights, the best time to fly and much more.

How long does a flight from Islip to Ontario take?

The duration of a flight to Ontario depends on your arrival airport. The shortest routes to Ontario from Islip are to Toronto, which takes 5h 15m, and Ottawa, which takes 20h 44m.

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Good to know

Cheapest flight$149
Flight from Islip to Toronto

FAQs - booking Ontario flights

  • How does KAYAK find such low prices on flights from Islip to Ontario?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Islip to Ontario.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Islip to Ontario?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Islip to Ontario is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Islip to Ontario?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Islip to Ontario with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Islip to Ontario?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Islip to Ontario up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from Islip to Ontario

Information on your arrival and departure airports

Islip (ISP)

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