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$ 392 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.

5:43 p.m. - 9:55 p.m.ISP Islip Long Island-YYZ Toronto Pearson Intl

28h 12m2 stops Orlando Nashville Intl

7:00 a.m. - 5:30 p.m.YYZ Toronto Pearson Intl-ISP Islip Long Island

10h 30m1 stop Orlando

C$ 619Multiple Airlines

Sun, 4 Oct - Sun, 11 Oct

6:48 p.m. - 2:55 p.m.ISP Islip Long Island-YYZ Toronto Pearson Intl

20h 07m1 stop Tampa

7:00 a.m. - 5:30 p.m.YYZ Toronto Pearson Intl-ISP Islip Long Island

10h 30m1 stop Orlando

C$ 705Multiple Airlines

Sun, 4 Oct - Sun, 11 Oct

5:43 p.m. - 9:55 p.m.ISP Islip Long Island-YYZ Toronto Pearson Intl

28h 12m2 stops Orlando Nashville Intl

9:50 a.m. - 5:30 p.m.YYZ Toronto Pearson Intl-ISP Islip Long Island

7h 40m1 stop Orlando

C$ 720Multiple Airlines

Sun, 4 Oct - Sun, 11 Oct

5:43 p.m. - 4:45 p.m.ISP Islip Long Island-YYZ Toronto Pearson Intl

23h 02m1 stop Orlando

9:50 a.m. - 5:30 p.m.YYZ Toronto Pearson Intl-ISP Islip Long Island

7h 40m1 stop Orlando

C$ 802Multiple Airlines

Sun, 4 Oct - Sun, 11 Oct

5:43 p.m. - 11:35 p.m.ISP Islip Long Island-YYZ Toronto Pearson Intl

29h 52m1 stop Orlando

1:30 p.m. - 6:51 p.m.YYZ Toronto Pearson Intl-ISP Islip Long Island

29h 21m2 stops Fort Myers SW Florida Intl Richmond Byrd Intl

C$ 967Multiple Airlines

Thu, 17 Sep - Sat, 26 Sep

12:30 p.m. - 9:25 p.m.ISP Islip Long Island-YYZ Toronto Pearson Intl

8h 55m1 stop Boston Logan Intl

4:50 p.m. - 11:20 a.m.YYZ Toronto Pearson Intl-ISP Islip Long Island

18h 30m2 stops Orlando Raleigh-Durham

C$ 1,020Multiple Airlines

Wed, 21 Oct - Fri, 23 Oct

5:43 p.m. - 11:35 p.m.ISP Islip Long Island-YYZ Toronto Pearson Intl

29h 52m1 stop Orlando

7:25 a.m. - 8:59 p.m.YYZ Toronto Pearson Intl-ISP Islip Long Island

13h 34m1 stop Boston Logan Intl

C$ 1,064Multiple Airlines

Thu, 17 Sep - Sat, 26 Sep

9:59 a.m. - 9:25 p.m.ISP Islip Long Island-YYZ Toronto Pearson Intl

11h 26m1 stop Boston Logan Intl

9:50 a.m. - 6:00 p.m.YYZ Toronto Pearson Intl-ISP Islip Long Island

8h 10m1 stop Orlando

C$ 1,164Multiple Airlines

Wed, 21 Oct - Fri, 23 Oct

7:00 a.m. - 7:32 p.m.ISP Islip Long Island-YUL Montreal Pierre Elliott Trudeau Intl

12h 32m2 stops Fort Lauderdale Toronto Pearson Intl

6:45 a.m. - 11:22 p.m.YUL Montreal Pierre Elliott Trudeau Intl-ISP Islip Long Island

16h 37m2 stops Toronto Pearson Intl Fort Lauderdale

C$ 1,204Multiple Airlines

Mon, 21 Sep - Thu, 24 Sep

7:00 a.m. - 7:32 p.m.ISP Islip Long Island-YUL Montreal Pierre Elliott Trudeau Intl

12h 32m2 stops Fort Lauderdale Toronto Pearson Intl

6:45 a.m. - 11:22 p.m.YUL Montreal Pierre Elliott Trudeau Intl-ISP Islip Long Island

16h 37m2 stops Toronto Pearson Intl Fort Lauderdale

C$ 1,328Multiple Airlines

Sat, 19 Sep - Sat, 26 Sep

Cheap last-minute flights

Enter your travel dates to find the best prices.

6:46 p.m. - 10:25 a.m.ISP Islip Long Island-YYZ Toronto Pearson Intl

15h 39m2 stops Richmond Byrd Intl Atlanta Hartsfield-Jackson

9:50 a.m. - 6:14 p.m.YYZ Toronto Pearson Intl-ISP Islip Long Island

8h 24m1 stop Orlando

C$ 1,049Multiple Airlines

Thu, 27 Aug - Mon, 31 Aug

7:09 p.m. - 8:05 p.m.ISP Islip Long Island-YYZ Toronto Pearson Intl

24h 56m1 stop Orlando

9:50 a.m. - 6:14 p.m.YYZ Toronto Pearson Intl-ISP Islip Long Island

8h 24m1 stop Orlando

C$ 1,065Multiple Airlines

Thu, 27 Aug - Mon, 31 Aug

7:31 a.m. - 9:45 p.m.ISP Islip Long Island-YYZ Toronto Pearson Intl

14h 14m1 stop Boston Logan Intl

5:50 p.m. - 9:53 a.m.YYZ Toronto Pearson Intl-ISP Islip Long Island

16h 03m2 stops New York LaGuardia Orlando

C$ 1,428Multiple Airlines

Mon, 24 Aug - Fri, 28 Aug

7:31 a.m. - 9:45 p.m.ISP Islip Long Island-YYZ Toronto Pearson Intl

14h 14m1 stop Boston Logan Intl

7:45 a.m. - 9:53 a.m.YYZ Toronto Pearson Intl-ISP Islip Long Island

26h 08m1 stop Orlando

C$ 1,454Multiple Airlines

Mon, 24 Aug - Fri, 28 Aug

8:43 p.m. - 5:46 p.m.ISP Islip Long Island-YUL Montreal Pierre Elliott Trudeau Intl

21h 03m2 stops Charleston Atlanta Hartsfield-Jackson

7:20 p.m. - 6:35 p.m.YUL Montreal Pierre Elliott Trudeau Intl-ISP Islip Long Island

23h 15m1 stop Boston Logan Intl

C$ 1,721Multiple Airlines

Mon, 24 Aug - Fri, 28 Aug

6:00 a.m. - 7:32 p.m.ISP Islip Long Island-YUL Montreal Pierre Elliott Trudeau Intl

13h 32m2 stops Fort Lauderdale Toronto Pearson Intl

6:45 a.m. - 9:44 p.m.YUL Montreal Pierre Elliott Trudeau Intl-ISP Islip Long Island

14h 59m2 stops Toronto Pearson Intl Fort Lauderdale

C$ 1,936Multiple Airlines

Mon, 24 Aug - Fri, 28 Aug

7:31 a.m. - 6:15 p.m.ISP Islip Long Island-YUL Montreal Pierre Elliott Trudeau Intl

10h 44m1 stop Boston Logan Intl

7:20 p.m. - 6:35 p.m.YUL Montreal Pierre Elliott Trudeau Intl-ISP Islip Long Island

23h 15m1 stop Boston Logan Intl

C$ 1,970Multiple Airlines

Mon, 24 Aug - Fri, 28 Aug

6:00 a.m. - 9:45 p.m.ISP Islip Long Island-YYZ Toronto Pearson Intl

15h 45m2 stops Fort Lauderdale Boston Logan Intl

1:50 p.m. - 12:07 a.m.YYZ Toronto Pearson Intl-ISP Islip Long Island

10h 17m2 stops Ottawa Orlando

C$ 2,030Multiple Airlines

Thu, 27 Aug - Mon, 31 Aug

6:00 a.m. - 9:45 p.m.ISP Islip Long Island-YYZ Toronto Pearson Intl

15h 45m2 stops Fort Lauderdale Boston Logan Intl

7:25 a.m. - 12:07 a.m.YYZ Toronto Pearson Intl-ISP Islip Long Island

16h 42m2 stops Boston Logan Intl Orlando

C$ 3,230Multiple Airlines

Mon, 24 Aug - Fri, 28 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

IslipToronto

ISP Islip Long Island - YYZ Toronto Pearson Intl

ISPYYZ

Islip Long Island

Sun 4/10

5:43 p.m.-9:55 p.m.

2 stops28h 12m

Toronto Pearson Intl

Sun 11/10

7:00 a.m.-5:30 p.m.

1 stop10h 30m

C$ 619

IslipToronto

ISP Islip Long Island - YYZ Toronto Pearson Intl

ISPYYZ

Islip Long Island

Sun 4/10

6:48 p.m.-2:55 p.m.

1 stop20h 07m

Toronto Pearson Intl

Sun 11/10

7:00 a.m.-5:30 p.m.

1 stop10h 30m

C$ 705

IslipToronto

ISP Islip Long Island - YYZ Toronto Pearson Intl

ISPYYZ

Islip Long Island

Sun 4/10

5:43 p.m.-9:55 p.m.

2 stops28h 12m

Toronto Pearson Intl

Sun 11/10

9:50 a.m.-5:30 p.m.

1 stop7h 40m

C$ 720

IslipToronto

ISP Islip Long Island - YYZ Toronto Pearson Intl

ISPYYZ

Islip Long Island

Sun 4/10

5:43 p.m.-4:45 p.m.

1 stop23h 02m

Toronto Pearson Intl

Sun 11/10

9:50 a.m.-5:30 p.m.

1 stop7h 40m

C$ 802

IslipToronto

ISP Islip Long Island - YYZ Toronto Pearson Intl

ISPYYZ

Islip Long Island

Thu 17/9

5:43 p.m.-11:35 p.m.

1 stop29h 52m

Toronto Pearson Intl

Sat 26/9

1:30 p.m.-6:51 p.m.

2 stops29h 21m

C$ 967

IslipToronto

ISP Islip Long Island - YYZ Toronto Pearson Intl

ISPYYZ

Islip Long Island

Wed 21/10

12:30 p.m.-9:25 p.m.

1 stop8h 55m

Toronto Pearson Intl

Fri 23/10

4:50 p.m.-11:20 a.m.

2 stops18h 30m

C$ 1,020

IslipToronto

ISP Islip Long Island - YYZ Toronto Pearson Intl

ISPYYZ

Islip Long Island

Thu 17/9

5:43 p.m.-11:35 p.m.

1 stop29h 52m

Toronto Pearson Intl

Sat 26/9

7:25 a.m.-8:59 p.m.

1 stop13h 34m

C$ 1,064

Quickest round-trip

IslipToronto

ISP Islip Long Island - YYZ Toronto Pearson Intl

ISPYYZ

Islip Long Island

Wed 21/10

9:59 a.m.-9:25 p.m.

1 stop11h 26m

Toronto Pearson Intl

Fri 23/10

9:50 a.m.-6:00 p.m.

1 stop8h 10m

C$ 1,164

IslipMontreal

ISP Islip Long Island - YUL Montreal Pierre Elliott Trudeau Intl

ISPYUL

Islip Long Island

Mon 21/9

7:00 a.m.-7:32 p.m.

2 stops12h 32m

Montreal Pierre Elliott Trudeau Intl

Thu 24/9

6:45 a.m.-11:22 p.m.

2 stops16h 37m

C$ 1,204

IslipMontreal

ISP Islip Long Island - YUL Montreal Pierre Elliott Trudeau Intl

ISPYUL

Islip Long Island

Sat 19/9

7:00 a.m.-7:32 p.m.

2 stops12h 32m

Montreal Pierre Elliott Trudeau Intl

Sat 26/9

6:45 a.m.-11:22 p.m.

2 stops16h 37m

C$ 1,328

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 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 61% of people opting to fly with this airline when travelling to Region of Ontario. Keep in mind that there are 5 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

Best price found	C$ 392
Fastest flight time	4h 55m
Direct flights	None

The best one-way flight to Region of Ontario from Islip, New York in the past 72 hours is C$ 392. The best round-trip flight deal from Islip, New York to Region of Ontario found on momondo in the last 72 hours is C$ 619.

The fastest flight from Islip, New York to Region of Ontario takes 4h 55m

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.