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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

Cheap Flights from Islip to Ontario

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

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Flights Deals

Ottawa2 stops$923

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.

Round-trip

Last minute

Recent round-trip flight deals from Islip to Ontario

Tue, Aug 26 - Tue, Sep 2

6:05 am - 11:47 pmISP-YYZ

17h 42m1 stop

9:50 am - 11:59 pmYYZ-ISP

14h 09m1 stop

$535

Find Deal

Thu, Aug 28 - Sun, Aug 31

6:05 am - 2:20 pmISP-YUL

8h 15m1 stop

6:45 am - 6:48 pmYUL-ISP

12h 03m1 stop

$549

Find Deal

Thu, Aug 28 - Sun, Aug 31

6:05 am - 2:20 pmISP-YUL

8h 15m1 stop

10:00 am - 8:01 pmYUL-ISP

10h 01m2 stops

$622

Find Deal

Fri, Sep 12 - Fri, Sep 19

5:05 pm - 2:20 pmISP-YUL

21h 15m1 stop

6:55 am - 3:21 pmYUL-ISP

8h 26m2 stops

$644

Find Deal

Thu, Aug 28 - Sun, Aug 31

6:05 am - 1:55 pmISP-YYZ

7h 50m1 stop

9:50 am - 6:48 pmYYZ-ISP

8h 58m1 stop

$657

Find Deal

Wed, Sep 24 - Sun, Sep 28

11:35 am - 2:20 pmISP-YUL

26h 45m1 stop

6:55 am - 3:21 pmYUL-ISP

8h 26m2 stops

$674

Find Deal

Sat, Sep 13 - Sat, Sep 20

7:30 am - 5:55 pmISP-YUL

10h 25m2 stops

6:45 am - 10:40 amYUL-ISP

27h 55m1 stop

$786

Find Deal

Thu, Aug 28 - Sun, Aug 31

7:30 am - 6:25 pmISP-YUL

10h 55m2 stops

6:45 am - 6:59 pmYUL-ISP

12h 14m2 stops

$820

Find Deal

Thu, Aug 28 - Sun, Aug 31

7:30 am - 6:25 pmISP-YUL

10h 55m2 stops

6:45 am - 10:04 amYUL-ISP

27h 19m3 stops

$889

Find Deal

Thu, Aug 28 - Sun, Aug 31

7:39 pm - 9:23 pmISP-YYZ

25h 44m2 stops

6:30 am - 10:04 amYYZ-ISP

27h 34m3 stops

$897

Find Deal

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 7h 50m, and Ottawa, which takes 10h 39m.

Find deals

Cheapest flight	$535

Flight from Islip to Toronto

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

Airports

Cabin class

Complete your trip

Flights to other cities

Origins

Popular routes

Return flight deals

Information on your arrival and departure airports

Islip (ISP)

Not what you’re looking for? Find thousands of other hotels, flights, car rentals and package deals with KAYAK.

$535 Find Cheap Flights from Islip to Ontario

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