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$ 280 Cheap Flights from Islip to Ontario in 2026

1 adult

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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.

4:07 p.m. - 10:05 p.m.

ISP

YYZ

29h 58m

2 stops

7:10 a.m. - 11:00 a.m.

YYZ

ISP

27h 50m

1 stop

C$ 532Multiple Airlines

Mon, 4 May - Mon, 11 May

11:00 a.m. - 12:25 a.m.

ISP

YUL

37h 25m

2 stops

6:45 a.m. - 11:00 a.m.

YUL

ISP

28h 15m

2 stops

C$ 547Multiple Airlines

Fri, 8 May - Mon, 11 May

5:38 p.m. - 11:35 a.m.

ISP

YYZ

41h 57m

2 stops

7:45 a.m. - 10:05 a.m.

YYZ

ISP

26h 20m

1 stop

C$ 615Multiple Airlines

Tue, 5 May - Tue, 12 May

4:07 p.m. - 12:25 a.m.

ISP

YUL

8h 18m

1 stop

7:15 p.m. - 5:29 p.m.

YUL

ISP

22h 14m

2 stops

C$ 709Multiple Airlines

Fri, 1 May - Fri, 8 May

10:48 a.m. - 4:45 p.m.

ISP

YYZ

29h 57m

1 stop

9:50 a.m. - 10:03 a.m.

YYZ

ISP

24h 13m

1 stop

C$ 781Multiple Airlines

Thu, 2 Jul - Tue, 7 Jul

10:48 a.m. - 4:45 p.m.

ISP

YYZ

29h 57m

1 stop

6:30 a.m. - 4:47 p.m.

YYZ

ISP

10h 17m

2 stops

C$ 782Multiple Airlines

Thu, 2 Jul - Tue, 7 Jul

8:36 p.m. - 11:26 a.m.

ISP

YYZ

14h 50m

1 stop

3:50 p.m. - 6:33 p.m.

YYZ

ISP

26h 43m

1 stop

C$ 798Multiple Airlines

Thu, 2 Apr - Mon, 6 Apr

11:50 a.m. - 11:26 a.m.

ISP

YYZ

23h 36m

2 stops

8:00 p.m. - 9:28 a.m.

YYZ

ISP

13h 28m

1 stop

C$ 801Multiple Airlines

Sat, 18 Apr - Sun, 26 Apr

10:48 a.m. - 11:35 p.m.

ISP

YYZ

12h 47m

1 stop

4:50 p.m. - 10:03 a.m.

YYZ

ISP

17h 13m

1 stop

C$ 807Multiple Airlines

Fri, 12 Jun - Sun, 14 Jun

8:36 p.m. - 11:26 a.m.

ISP

YYZ

14h 50m

1 stop

7:15 a.m. - 12:23 a.m.

YYZ

ISP

17h 08m

2 stops

C$ 814Multiple Airlines

Thu, 2 Apr - Mon, 6 Apr

momondo Fare Finder

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

IslipToronto

ISP - YYZ

ISPYYZ

Islip Long Island

Mon 4/5

4:07 p.m.-10:05 p.m.

2 stops29h 58m

Toronto Pearson Intl

Mon 11/5

7:10 a.m.-11:00 a.m.

1 stop27h 50m

C$ 532

IslipMontreal

ISP - YUL

ISPYUL

Islip Long Island

Fri 8/5

11:00 a.m.-12:25 a.m.

2 stops37h 25m

Montreal Pierre Elliott Trudeau Intl

Mon 11/5

6:45 a.m.-11:00 a.m.

2 stops28h 15m

C$ 547

IslipToronto

ISP - YYZ

ISPYYZ

Islip Long Island

Tue 5/5

5:38 p.m.-11:35 a.m.

2 stops41h 57m

Toronto Pearson Intl

Tue 12/5

7:45 a.m.-10:05 a.m.

1 stop26h 20m

C$ 615

IslipMontreal

ISP - YUL

ISPYUL

Islip Long Island

Fri 1/5

4:07 p.m.-12:25 a.m.

1 stop8h 18m

Montreal Pierre Elliott Trudeau Intl

Fri 8/5

7:15 p.m.-5:29 p.m.

2 stops22h 14m

C$ 709

IslipToronto

ISP - YYZ

ISPYYZ

Islip Long Island

Thu 2/7

10:48 a.m.-4:45 p.m.

1 stop29h 57m

Toronto Pearson Intl

Tue 7/7

9:50 a.m.-10:03 a.m.

1 stop24h 13m

C$ 781

IslipToronto

ISP - YYZ

ISPYYZ

Islip Long Island

Thu 2/7

10:48 a.m.-4:45 p.m.

1 stop29h 57m

Toronto Pearson Intl

Tue 7/7

6:30 a.m.-4:47 p.m.

2 stops10h 17m

C$ 782

IslipToronto

ISP - YYZ

ISPYYZ

Islip Long Island

Thu 2/4

8:36 p.m.-11:26 a.m.

1 stop14h 50m

Toronto Pearson Intl

Mon 6/4

3:50 p.m.-6:33 p.m.

1 stop26h 43m

C$ 798

IslipToronto

ISP - YYZ

ISPYYZ

Islip Long Island

Sat 18/4

11:50 a.m.-11:26 a.m.

2 stops23h 36m

Toronto Pearson Intl

Sun 26/4

8:00 p.m.-9:28 a.m.

1 stop13h 28m

C$ 801

Quickest round-trip

IslipToronto

ISP - YYZ

ISPYYZ

Islip Long Island

Fri 12/6

10:48 a.m.-11:35 p.m.

1 stop12h 47m

Toronto Pearson Intl

Sun 14/6

4:50 p.m.-10:03 a.m.

1 stop17h 13m

C$ 807

IslipToronto

ISP - YYZ

ISPYYZ

Islip Long Island

Thu 2/4

8:36 p.m.-11:26 a.m.

1 stop14h 50m

Toronto Pearson Intl

Mon 6/4

7:15 a.m.-12:23 a.m.

2 stops17h 08m

C$ 814

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 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 55% 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 16m
Direct flights	None

The fastest flight from Islip, New York to Region of Ontario takes 8h 16m

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

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.