When did momondo last update prices for flights from Islip Long Island Airport to Ontario?

Prices for flights from Islip Long Island Airport to Ontario were last updated today.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Islip Long Island Airport to Ontario.

What documentation or ID do you need to fly to Ontario?

The necessary travel and health documents for your Ontario 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.

C$ 388 Cheap Flights from Islip, New York to Ontario in 2026

Find the cheapest flights from Islip, New York to Ontario

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:57 a.m. - 8:05 p.m.

ISP

YYZ

9h 08m

1 stop

7:45 a.m. - 6:14 p.m.

YYZ

ISP

10h 29m

1 stop

C$ 758Multiple Airlines

Mon, 24 Aug - Thu, 27 Aug

1:00 p.m. - 2:05 p.m.

ISP

YYZ

25h 05m

2 stops

4:50 p.m. - 9:53 a.m.

YYZ

ISP

17h 03m

1 stop

C$ 825Multiple Airlines

Fri, 14 Aug - Fri, 21 Aug

1:00 p.m. - 12:21 a.m.

ISP

YUL

11h 21m

2 stops

7:55 p.m. - 9:53 a.m.

YUL

ISP

13h 58m

1 stop

C$ 826Multiple Airlines

Fri, 28 Aug - Mon, 31 Aug

10:57 a.m. - 8:05 p.m.

ISP

YYZ

9h 08m

1 stop

7:45 a.m. - 7:09 p.m.

YYZ

ISP

11h 24m

2 stops

C$ 828Multiple Airlines

Mon, 24 Aug - Thu, 27 Aug

8:31 p.m. - 8:40 p.m.

ISP

YYZ

24h 09m

1 stop

4:50 p.m. - 9:53 a.m.

YYZ

ISP

17h 03m

1 stop

C$ 900Multiple Airlines

Fri, 14 Aug - Fri, 21 Aug

4:45 p.m. - 9:40 p.m.

ISP

YYZ

4h 55m

1 stop

4:45 p.m. - 9:53 a.m.

YYZ

ISP

41h 08m

2 stops

C$ 935Multiple Airlines

Thu, 6 Aug - Thu, 13 Aug

10:00 a.m. - 6:15 p.m.

ISP

YUL

8h 15m

1 stop

6:45 a.m. - 9:53 a.m.

YUL

ISP

27h 08m

2 stops

C$ 965Multiple Airlines

Tue, 11 Aug - Tue, 18 Aug

10:00 a.m. - 6:15 p.m.

ISP

YUL

8h 15m

1 stop

5:45 p.m. - 9:53 a.m.

YUL

ISP

40h 08m

2 stops

C$ 972Multiple Airlines

Wed, 19 Aug - Mon, 24 Aug

3:10 p.m. - 6:15 p.m.

ISP

YUL

27h 05m

1 stop

6:00 a.m. - 2:24 p.m.

YUL

ISP

8h 24m

2 stops

C$ 981Multiple Airlines

Sat, 15 Aug - Sat, 22 Aug

7:26 a.m. - 6:15 p.m.

ISP

YUL

10h 49m

1 stop

7:20 p.m. - 6:14 p.m.

YUL

ISP

22h 54m

2 stops

C$ 992Multiple Airlines

Wed, 12 Aug - Wed, 19 Aug

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Use the filters below to find and compare flights from Islip, New York to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

IslipToronto

ISP - YYZ

ISPYYZ

Islip Long Island

Mon 24/8

10:57 a.m.-8:05 p.m.

1 stop9h 08m

Toronto Pearson Intl

Thu 27/8

7:45 a.m.-6:14 p.m.

1 stop10h 29m

C$ 758

IslipToronto

ISP - YYZ

ISPYYZ

Islip Long Island

Fri 14/8

1:00 p.m.-2:05 p.m.

2 stops25h 05m

Toronto Pearson Intl

Fri 21/8

4:50 p.m.-9:53 a.m.

1 stop17h 03m

C$ 825

IslipMontreal

ISP - YUL

ISPYUL

Islip Long Island

Fri 28/8

1:00 p.m.-12:21 a.m.

2 stops11h 21m

Montreal Pierre Elliott Trudeau Intl

Mon 31/8

7:55 p.m.-9:53 a.m.

1 stop13h 58m

C$ 826

IslipToronto

ISP - YYZ

ISPYYZ

Islip Long Island

Mon 24/8

10:57 a.m.-8:05 p.m.

1 stop9h 08m

Toronto Pearson Intl

Thu 27/8

7:45 a.m.-7:09 p.m.

2 stops11h 24m

C$ 828

IslipToronto

ISP - YYZ

ISPYYZ

Islip Long Island

Fri 14/8

8:31 p.m.-8:40 p.m.

1 stop24h 09m

Toronto Pearson Intl

Fri 21/8

4:50 p.m.-9:53 a.m.

1 stop17h 03m

C$ 900

IslipToronto

ISP - YYZ

ISPYYZ

Islip Long Island

Thu 6/8

4:45 p.m.-9:40 p.m.

1 stop4h 55m

Toronto Pearson Intl

Thu 13/8

4:45 p.m.-9:53 a.m.

2 stops41h 08m

C$ 935

IslipMontreal

ISP - YUL

ISPYUL

Islip Long Island

Tue 11/8

10:00 a.m.-6:15 p.m.

1 stop8h 15m

Montreal Pierre Elliott Trudeau Intl

Tue 18/8

6:45 a.m.-9:53 a.m.

2 stops27h 08m

C$ 965

IslipMontreal

ISP - YUL

ISPYUL

Islip Long Island

Wed 19/8

10:00 a.m.-6:15 p.m.

1 stop8h 15m

Montreal Pierre Elliott Trudeau Intl

Mon 24/8

5:45 p.m.-9:53 a.m.

2 stops40h 08m

C$ 972

IslipMontreal

ISP - YUL

ISPYUL

Islip Long Island

Sat 15/8

3:10 p.m.-6:15 p.m.

1 stop27h 05m

Montreal Pierre Elliott Trudeau Intl

Sat 22/8

6:00 a.m.-2:24 p.m.

2 stops8h 24m

C$ 981

IslipMontreal

ISP - YUL

ISPYUL

Islip Long Island

Wed 12/8

7:26 a.m.-6:15 p.m.

1 stop10h 49m

Montreal Pierre Elliott Trudeau Intl

Wed 19/8

7:20 p.m.-6:14 p.m.

2 stops22h 54m

C$ 992

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

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 Region of Ontario?

Porter Airlines, Air Canada and United Airlines are the top three most popular airlines that fly to Region of Ontario from Islip, New York according to our data. Porter Airlines is the first choice among our users, with 57% of people opting to fly with this airline when travelling to Region of Ontario. Keep in mind that there are 7 different airlines that fly to Region of Ontario on a routine basis, so you have a few additional options to choose from.

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

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

Fastest flight time	8h 10m
Direct flights	None

The fastest flight from Islip, New York to Region of Ontario takes 8h 10m

There are no direct flights from Islip, New York to Region of Ontario. There are no popular flight routes from Islip, New York to Region of Ontario.

Search flight deals

Frequently asked questions about flying from Islip, New York to Ontario

When did momondo last update prices for flights from Islip Long Island Airport to Ontario?
Prices for flights from Islip Long Island Airport to Ontario were last updated today.
How old do you have to be to fly from Islip Long Island Airport to Ontario?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Islip Long Island Airport to Ontario.
What documentation or ID do you need to fly to Ontario?
The necessary travel and health documents for your Ontario 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.

Why use momondo?

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

Finding the right flight to Ontario from Islip 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 Ontario quick and easy, saving you time and money.

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

Yes. All flights to Ontario from Islip on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search for Islip to Ontario flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are not ready to book a flight from Islip to Ontario now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Ontario and let you know when they change.