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?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to 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.

$369 Cheap Flights from Islip to Ontario in 2025

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Find the cheapest flights from Islip, New York to Ontario

Round-trip

Last minute

Cheap round-trip flights

5:05 pm - 1:52 pmISP-YYZ

20h 47m1 stop

4:00 pm - 4:37 pmYYZ-ISP

24h 37m1 stop

$369

Find Deal

Fri, Sep 5 - Mon, Oct 6

5:05 pm - 1:52 pmISP-YYZ

20h 47m1 stop

7:45 am - 8:07 pmYYZ-ISP

12h 22m2 stops

$600

Find Deal

Fri, Sep 5 - Mon, Oct 6

8:38 pm - 11:47 pmISP-YYZ

27h 09m1 stop

9:50 am - 11:41 pmYYZ-ISP

13h 51m1 stop

$670

Find Deal

Mon, Aug 18 - Wed, Aug 20

2:25 pm - 2:05 pmISP-YYZ

23h 40m3 stops

7:45 am - 8:07 pmYYZ-ISP

12h 22m2 stops

$728

Find Deal

Fri, Sep 5 - Mon, Oct 6

2:25 pm - 1:52 pmISP-YYZ

23h 27m2 stops

7:45 am - 8:07 pmYYZ-ISP

12h 22m2 stops

$766

Find Deal

Fri, Sep 5 - Mon, Oct 6

8:38 pm - 7:08 pmISP-YYZ

22h 30m2 stops

9:50 am - 11:41 pmYYZ-ISP

13h 51m1 stop

$780

Find Deal

Mon, Aug 18 - Wed, Aug 20

7:36 pm - 2:25 pmISP-YYZ

18h 49m2 stops

9:35 am - 1:39 pmYYZ-ISP

28h 04m3 stops

$819

Find Deal

Sun, Sep 21 - Wed, Sep 24

5:05 pm - 2:20 pmISP-YUL

21h 15m1 stop

4:45 pm - 10:58 amYUL-ISP

18h 13m2 stops

$824

Find Deal

Fri, Sep 19 - Fri, Sep 26

7:36 pm - 10:40 pmISP-YYZ

27h 04m3 stops

9:35 am - 1:39 pmYYZ-ISP

28h 04m3 stops

$840

Find Deal

Sun, Sep 21 - Wed, Sep 24

7:30 am - 6:25 pmISP-YUL

10h 55m2 stops

4:20 pm - 8:08 amYUL-ISP

15h 48m1 stop

$853

Find Deal

Fri, Aug 22 - Sun, Aug 24

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

IslipToronto

ISP - YYZ

ISPYYZ

Islip Long Island

Fri 9/5

5:05 pm-1:52 pm

1 stop20h 47m

Toronto Pearson Intl

Mon 10/6

4:00 pm-4:37 pm

1 stop24h 37m

$369

IslipToronto

ISP - YYZ

ISPYYZ

Islip Long Island

Fri 9/5

5:05 pm-1:52 pm

1 stop20h 47m

Toronto Pearson Intl

Mon 10/6

7:45 am-8:07 pm

2 stops12h 22m

$600

IslipToronto

ISP - YYZ

ISPYYZ

Islip Long Island

Mon 8/18

8:38 pm-11:47 pm

1 stop27h 09m

Toronto Pearson Intl

Wed 8/20

9:50 am-11:41 pm

1 stop13h 51m

$670

IslipToronto

ISP - YYZ

ISPYYZ

Islip Long Island

Fri 9/5

2:25 pm-2:05 pm

3 stops23h 40m

Toronto Pearson Intl

Mon 10/6

7:45 am-8:07 pm

2 stops12h 22m

$728

IslipToronto

ISP - YYZ

ISPYYZ

Islip Long Island

Fri 9/5

2:25 pm-1:52 pm

2 stops23h 27m

Toronto Pearson Intl

Mon 10/6

7:45 am-8:07 pm

2 stops12h 22m

$766

IslipToronto

ISP - YYZ

ISPYYZ

Islip Long Island

Mon 8/18

8:38 pm-7:08 pm

2 stops22h 30m

Toronto Pearson Intl

Wed 8/20

9:50 am-11:41 pm

1 stop13h 51m

$780

IslipToronto

ISP - YYZ

ISPYYZ

Islip Long Island

Sun 9/21

7:36 pm-2:25 pm

2 stops18h 49m

Toronto Pearson Intl

Wed 9/24

9:35 am-1:39 pm

3 stops28h 04m

$819

IslipMontreal

ISP - YUL

ISPYUL

Islip Long Island

Fri 9/19

5:05 pm-2:20 pm

1 stop21h 15m

Montreal Pierre Elliott Trudeau Intl

Fri 9/26

4:45 pm-10:58 am

2 stops18h 13m

$824

IslipToronto

ISP - YYZ

ISPYYZ

Islip Long Island

Sun 9/21

7:36 pm-10:40 pm

3 stops27h 04m

Toronto Pearson Intl

Wed 9/24

9:35 am-1:39 pm

3 stops28h 04m

$840

IslipMontreal

ISP - YUL

ISPYUL

Islip Long Island

Fri 8/22

7:30 am-6:25 pm

2 stops10h 55m

Montreal Pierre Elliott Trudeau Intl

Sun 8/24

4:20 pm-8:08 am

1 stop15h 48m

$853

Flights are sorted by cheapest round-trip flights first.

Sorted 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

What airlines fly to Region of Ontario?

Air Canada, Porter Airlines and United Airlines are the top three most popular airlines that fly to Region of Ontario from Islip, New York according to our data. Air Canada is the first choice among our users, with 41% of people opting to fly with this airline when traveling 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

Best Price Found	$369
Fastest flight time	5h 05m
Direct flights	None
Airports in Region of Ontario	3 airports

The best flight deal from Islip, New York to Region of Ontario found on momondo in the last 72 hours is $369

The fastest flight from Islip, New York to Region of Ontario takes 5h 05m

There are no direct flights from Islip, New York to Region of Ontario. Popular non-direct routes for this connection are Islip Long Island Airport - Montreal Pierre Elliott Trudeau Intl Airport, Islip Long Island Airport - Ottawa Airport and Islip Long Island Airport - Toronto Pearson Intl Airport.

There are 3 airports near Region of Ontario: Ottawa (YOW), Montreal Pierre Elliott Trudeau Intl (YUL), Toronto Pearson Intl (YYZ)

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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?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to 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?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Ontario from Islip.

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

Yes. momondo allows you to filter the results for Islip to Ontario flights to just show those with flexible booking policies.

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

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 Islip to Ontario.

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

Price alerts on flights to Ontario from Islip are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.