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Cheap flights from Ontario to New York from C$ 741

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to New York departing on 18/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
4:35 p.m. - 12:42 p.m.YUL-ISP
20h 07m1 stop
Multiple Airlines Logo
2:19 p.m. - 12:30 a.m.ISP-YUL
34h 11m2 stops
C$ 741Multiple Airlines
Find Deal
Thu, 18 Dec - Thu, 25 Dec
Multiple Airlines Logo
5:15 p.m. - 10:37 a.m.YYZ-ISP
17h 22m1 stop
Multiple Airlines Logo
9:02 a.m. - 2:05 p.m.ISP-YYZ
29h 03m1 stop
C$ 808Multiple Airlines
Find Deal
Thu, 27 Nov - Mon, 1 Dec
Multiple Airlines Logo
4:35 p.m. - 12:42 p.m.YUL-ISP
20h 07m1 stop
Multiple Airlines Logo
12:20 p.m. - 12:30 a.m.ISP-YUL
12h 10m1 stop
C$ 929Multiple Airlines
Find Deal
Thu, 18 Dec - Thu, 25 Dec
Multiple Airlines Logo
5:15 p.m. - 10:37 a.m.YYZ-ISP
17h 22m1 stop
Multiple Airlines Logo
8:25 p.m. - 8:00 p.m.ISP-YYZ
23h 35m1 stop
C$ 1,051Multiple Airlines
Find Deal
Thu, 27 Nov - Sun, 30 Nov
Multiple Airlines Logo
5:15 p.m. - 10:37 a.m.YYZ-ISP
17h 22m1 stop
Multiple Airlines Logo
2:25 p.m. - 2:05 p.m.ISP-YYZ
23h 40m2 stops
C$ 1,243Multiple Airlines
Find Deal
Thu, 27 Nov - Mon, 1 Dec
Multiple Airlines Logo
7:10 a.m. - 7:45 p.m.YYZ-ISP
12h 35m3 stops
Multiple Airlines Logo
9:59 a.m. - 12:04 a.m.ISP-YYZ
14h 05m2 stops
C$ 1,308Multiple Airlines
Find Deal
Thu, 27 Nov - Mon, 1 Dec
Multiple Airlines Logo
12:30 a.m. - 7:45 p.m.YYZ-ISP
19h 15m2 stops
Multiple Airlines Logo
9:59 a.m. - 12:04 a.m.ISP-YYZ
14h 05m2 stops
C$ 1,345Multiple Airlines
Find Deal
Wed, 26 Nov - Mon, 1 Dec
Multiple Airlines Logo
7:10 a.m. - 7:45 p.m.YYZ-ISP
12h 35m3 stops
Multiple Airlines Logo
9:59 a.m. - 9:58 p.m.ISP-YYZ
11h 59m1 stop
C$ 1,439Multiple Airlines
Find Deal
Thu, 27 Nov - Mon, 1 Dec
Multiple Airlines Logo
12:30 a.m. - 7:45 p.m.YYZ-ISP
19h 15m2 stops
Multiple Airlines Logo
9:59 a.m. - 9:58 p.m.ISP-YYZ
11h 59m1 stop
C$ 1,477Multiple Airlines
Find Deal
Wed, 26 Nov - Mon, 1 Dec
Multiple Airlines Logo
5:15 p.m. - 10:37 a.m.YYZ-ISP
17h 22m1 stop
Multiple Airlines Logo
11:03 a.m. - 7:20 a.m.ISP-YYZ
20h 17m2 stops
C$ 1,495Multiple Airlines
Find Deal
Thu, 27 Nov - Sun, 30 Nov

momondo Fare Finder

 
Customize your flight search to find flights from Region of Ontario to Islip, New York that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 96,600 searches. Data last updated 3 November 2025.
Use the filters below to find and compare flights from Ontario to Islip, New York that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

MontrealIslip

YUL - ISP

YULISP

Montreal Pierre Elliott Trudeau Intl

Thu 18/12

4:35 p.m.-12:42 p.m.

1 stop20h 07m

Islip Long Island

Thu 25/12

2:19 p.m.-12:30 a.m.

2 stops34h 11m

C$ 741

TorontoIslip

YYZ - ISP

YYZISP

Toronto Pearson Intl

Thu 27/11

5:15 p.m.-10:37 a.m.

1 stop17h 22m

Islip Long Island

Mon 1/12

9:02 a.m.-2:05 p.m.

1 stop29h 03m

C$ 808

MontrealIslip

YUL - ISP

YULISP

Montreal Pierre Elliott Trudeau Intl

Thu 18/12

4:35 p.m.-12:42 p.m.

1 stop20h 07m

Islip Long Island

Thu 25/12

12:20 p.m.-12:30 a.m.

1 stop12h 10m

C$ 929

TorontoIslip

YYZ - ISP

YYZISP

Toronto Pearson Intl

Thu 27/11

5:15 p.m.-10:37 a.m.

1 stop17h 22m

Islip Long Island

Sun 30/11

8:25 p.m.-8:00 p.m.

1 stop23h 35m

C$ 1,051

TorontoIslip

YYZ - ISP

YYZISP

Toronto Pearson Intl

Thu 27/11

5:15 p.m.-10:37 a.m.

1 stop17h 22m

Islip Long Island

Mon 1/12

2:25 p.m.-2:05 p.m.

2 stops23h 40m

C$ 1,243

TorontoIslip

YYZ - ISP

YYZISP

Toronto Pearson Intl

Thu 27/11

7:10 a.m.-7:45 p.m.

3 stops12h 35m

Islip Long Island

Mon 1/12

9:59 a.m.-12:04 a.m.

2 stops14h 05m

C$ 1,308

TorontoIslip

YYZ - ISP

YYZISP

Toronto Pearson Intl

Wed 26/11

12:30 a.m.-7:45 p.m.

2 stops19h 15m

Islip Long Island

Mon 1/12

9:59 a.m.-12:04 a.m.

2 stops14h 05m

C$ 1,345

TorontoIslip

YYZ - ISP

YYZISP

Toronto Pearson Intl

Thu 27/11

7:10 a.m.-7:45 p.m.

3 stops12h 35m

Islip Long Island

Mon 1/12

9:59 a.m.-9:58 p.m.

1 stop11h 59m

C$ 1,439

TorontoIslip

YYZ - ISP

YYZISP

Toronto Pearson Intl

Wed 26/11

12:30 a.m.-7:45 p.m.

2 stops19h 15m

Islip Long Island

Mon 1/12

9:59 a.m.-9:58 p.m.

1 stop11h 59m

C$ 1,477

TorontoIslip

YYZ - ISP

YYZISP

Toronto Pearson Intl

Thu 27/11

5:15 p.m.-10:37 a.m.

1 stop17h 22m

Islip Long Island

Sun 30/11

11:03 a.m.-7:20 a.m.

2 stops20h 17m

C$ 1,495

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to New York from

How to get the cheapest flight ticket from Region of Ontario to Islip, New York

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Which airlines fly to Islip, New York?

Air Canada, Porter Airlines and United Airlines are the top three most popular airlines that fly to Islip, New York from Region of Ontario according to our data. Air Canada is the first choice among our users, with 48% of people opting to fly with this airline when travelling to Islip, New York. Keep in mind that there are 8 different airlines that fly to Islip, New York on a routine basis, so you have a few additional options to choose from.

Cheap Region of Ontario to Islip, New York flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Region of Ontario to Islip, New York

Direct flights

None
There are no direct flights from Region of Ontario to Islip, New York. There are no popular flight routes from Region of Ontario to Islip, New York.
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  • When did momondo last update prices for flights from Ontario to Islip Long Island Airport?

    Prices for flights from Ontario to Islip Long Island Airport are updated daily.

  • How old do you have to be to fly from Ontario to Islip Long Island Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Ontario to Islip Long Island Airport.

  • What documentation or ID do you need to fly to Islip Long Island Airport?

    The necessary travel and health documents for your Islip Long Island Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Travelling to a place near New York?

Book flights to New York if you plan to visit one of these locations
Montauk
Riverhead
Amagansett

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Islip?

Finding the right flight to Islip from Ontario is quick and easy when you have a range of options in front of you, from reputable agents and recognizable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Islip quick and easy, saving you time and money.

Can I find flights from Ontario to Islip with flexible booking policies on momondo?

All flight searches from Ontario to Islip on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Ontario to Islip?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Ontario to Islip.

I’m not ready to book a flight from Ontario to Islip right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Ontario to Islip flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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