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.

$285 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 pm - 9:55 pmISP Islip Long Island-YYZ Toronto Pearson Intl

28h 12m2 stops Orlando Nashville Intl

7:00 am - 5:30 pmYYZ Toronto Pearson Intl-ISP Islip Long Island

10h 30m1 stop Orlando

$450Multiple Airlines

Sun, Oct 4 - Sun, Oct 11

6:48 pm - 2:55 pmISP Islip Long Island-YYZ Toronto Pearson Intl

20h 07m1 stop Tampa

7:00 am - 5:30 pmYYZ Toronto Pearson Intl-ISP Islip Long Island

10h 30m1 stop Orlando

$512Multiple Airlines

Sun, Oct 4 - Sun, Oct 11

5:43 pm - 9:55 pmISP Islip Long Island-YYZ Toronto Pearson Intl

28h 12m2 stops Orlando Nashville Intl

9:50 am - 5:30 pmYYZ Toronto Pearson Intl-ISP Islip Long Island

7h 40m1 stop Orlando

$523Multiple Airlines

Sun, Oct 4 - Sun, Oct 11

5:43 pm - 4:45 pmISP Islip Long Island-YYZ Toronto Pearson Intl

23h 02m1 stop Orlando

2:20 pm - 11:20 amYYZ Toronto Pearson Intl-ISP Islip Long Island

45h 00m2 stops Tampa Raleigh-Durham

$575Multiple Airlines

Mon, Oct 5 - Mon, Oct 12

5:43 pm - 4:45 pmISP Islip Long Island-YYZ Toronto Pearson Intl

23h 02m1 stop Orlando

9:50 am - 5:30 pmYYZ Toronto Pearson Intl-ISP Islip Long Island

7h 40m1 stop Orlando

$583Multiple Airlines

Sun, Oct 4 - Sun, Oct 11

5:43 pm - 4:45 pmISP Islip Long Island-YYZ Toronto Pearson Intl

23h 02m1 stop Orlando

7:45 am - 6:00 pmYYZ Toronto Pearson Intl-ISP Islip Long Island

10h 15m1 stop Orlando

$674Multiple Airlines

Mon, Oct 5 - Mon, Oct 12

6:25 pm - 2:33 pmISP Islip Long Island-YOW Ottawa

20h 08m1 stop Orlando

4:15 pm - 12:58 pmYOW Ottawa-ISP Islip Long Island

20h 43m2 stops Orlando Wilmington New Hanover County

$677Multiple Airlines

Thu, Oct 15 - Mon, Oct 19

5:43 pm - 11:35 pmISP Islip Long Island-YYZ Toronto Pearson Intl

29h 52m1 stop Orlando

1:30 pm - 6:51 pmYYZ Toronto Pearson Intl-ISP Islip Long Island

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

$703Multiple Airlines

Thu, Sep 17 - Sat, Sep 26

12:30 pm - 9:25 pmISP Islip Long Island-YYZ Toronto Pearson Intl

8h 55m1 stop Boston Logan Intl

4:50 pm - 11:20 amYYZ Toronto Pearson Intl-ISP Islip Long Island

18h 30m2 stops Orlando Raleigh-Durham

$741Multiple Airlines

Wed, Oct 21 - Fri, Oct 23

5:43 pm - 11:35 pmISP Islip Long Island-YYZ Toronto Pearson Intl

29h 52m1 stop Orlando

7:25 am - 8:59 pmYYZ Toronto Pearson Intl-ISP Islip Long Island

13h 34m1 stop Boston Logan Intl

$773Multiple Airlines

Thu, Sep 17 - Sat, Sep 26

Cheap last minute flights

Enter your travel dates to find the best prices.

6:46 pm - 10:25 amISP Islip Long Island-YYZ Toronto Pearson Intl

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

9:50 am - 6:14 pmYYZ Toronto Pearson Intl-ISP Islip Long Island

8h 24m1 stop Orlando

$762Multiple Airlines

Thu, Aug 27 - Mon, Aug 31

7:09 pm - 8:05 pmISP Islip Long Island-YYZ Toronto Pearson Intl

24h 56m1 stop Orlando

9:50 am - 6:14 pmYYZ Toronto Pearson Intl-ISP Islip Long Island

8h 24m1 stop Orlando

$774Multiple Airlines

Thu, Aug 27 - Mon, Aug 31

7:31 am - 9:45 pmISP Islip Long Island-YYZ Toronto Pearson Intl

14h 14m1 stop Boston Logan Intl

5:50 pm - 9:53 amYYZ Toronto Pearson Intl-ISP Islip Long Island

16h 03m2 stops New York LaGuardia Orlando

$1,038Multiple Airlines

Mon, Aug 24 - Fri, Aug 28

7:31 am - 9:45 pmISP Islip Long Island-YYZ Toronto Pearson Intl

14h 14m1 stop Boston Logan Intl

7:45 am - 9:53 amYYZ Toronto Pearson Intl-ISP Islip Long Island

26h 08m1 stop Orlando

$1,057Multiple Airlines

Mon, Aug 24 - Fri, Aug 28

7:09 pm - 4:45 pmISP Islip Long Island-YYZ Toronto Pearson Intl

21h 36m1 stop Orlando

5:50 pm - 9:53 amYYZ Toronto Pearson Intl-ISP Islip Long Island

16h 03m2 stops New York LaGuardia Orlando

$1,060Multiple Airlines

Sun, Aug 23 - Tue, Aug 25

7:09 pm - 4:45 pmISP Islip Long Island-YYZ Toronto Pearson Intl

21h 36m1 stop Orlando

7:25 am - 5:41 pmYYZ Toronto Pearson Intl-ISP Islip Long Island

10h 16m1 stop Boston Logan Intl

$1,172Multiple Airlines

Sun, Aug 23 - Tue, Aug 25

8:43 pm - 5:46 pmISP Islip Long Island-YUL Montreal Pierre Elliott Trudeau Intl

21h 03m2 stops Charleston Atlanta Hartsfield-Jackson

7:20 pm - 6:35 pmYUL Montreal Pierre Elliott Trudeau Intl-ISP Islip Long Island

23h 15m1 stop Boston Logan Intl

$1,251Multiple Airlines

Mon, Aug 24 - Fri, Aug 28

6:00 am - 7:32 pmISP Islip Long Island-YUL Montreal Pierre Elliott Trudeau Intl

13h 32m2 stops Fort Lauderdale Toronto Pearson Intl

6:45 am - 9:44 pmYUL Montreal Pierre Elliott Trudeau Intl-ISP Islip Long Island

14h 59m2 stops Toronto Pearson Intl Fort Lauderdale

$1,407Multiple Airlines

Mon, Aug 24 - Fri, Aug 28

7:31 am - 6:15 pmISP Islip Long Island-YUL Montreal Pierre Elliott Trudeau Intl

10h 44m1 stop Boston Logan Intl

7:20 pm - 6:35 pmYUL Montreal Pierre Elliott Trudeau Intl-ISP Islip Long Island

23h 15m1 stop Boston Logan Intl

$1,432Multiple Airlines

Mon, Aug 24 - Fri, Aug 28

6:00 am - 9:45 pmISP Islip Long Island-YYZ Toronto Pearson Intl

15h 45m2 stops Fort Lauderdale Boston Logan Intl

1:50 pm - 12:07 amYYZ Toronto Pearson Intl-ISP Islip Long Island

10h 17m2 stops Ottawa Orlando

$1,475Multiple Airlines

Thu, Aug 27 - Mon, Aug 31

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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 10/4

5:43 pm-9:55 pm

2 stops28h 12m

Toronto Pearson Intl

Sun 10/11

7:00 am-5:30 pm

1 stop10h 30m

$450

IslipToronto

ISP Islip Long Island - YYZ Toronto Pearson Intl

ISPYYZ

Islip Long Island

Sun 10/4

6:48 pm-2:55 pm

1 stop20h 07m

Toronto Pearson Intl

Sun 10/11

7:00 am-5:30 pm

1 stop10h 30m

$512

IslipToronto

ISP Islip Long Island - YYZ Toronto Pearson Intl

ISPYYZ

Islip Long Island

Sun 10/4

5:43 pm-9:55 pm

2 stops28h 12m

Toronto Pearson Intl

Sun 10/11

9:50 am-5:30 pm

1 stop7h 40m

$523

IslipToronto

ISP Islip Long Island - YYZ Toronto Pearson Intl

ISPYYZ

Islip Long Island

Mon 10/5

5:43 pm-4:45 pm

1 stop23h 02m

Toronto Pearson Intl

Mon 10/12

2:20 pm-11:20 am

2 stops45h 00m

$575

IslipToronto

ISP Islip Long Island - YYZ Toronto Pearson Intl

ISPYYZ

Islip Long Island

Sun 10/4

5:43 pm-4:45 pm

1 stop23h 02m

Toronto Pearson Intl

Sun 10/11

9:50 am-5:30 pm

1 stop7h 40m

$583

IslipToronto

ISP Islip Long Island - YYZ Toronto Pearson Intl

ISPYYZ

Islip Long Island

Mon 10/5

5:43 pm-4:45 pm

1 stop23h 02m

Toronto Pearson Intl

Mon 10/12

7:45 am-6:00 pm

1 stop10h 15m

$674

IslipOttawa

ISP Islip Long Island - YOW Ottawa

ISPYOW

Islip Long Island

Thu 10/15

6:25 pm-2:33 pm

1 stop20h 08m

Ottawa

Mon 10/19

4:15 pm-12:58 pm

2 stops20h 43m

$677

IslipToronto

ISP Islip Long Island - YYZ Toronto Pearson Intl

ISPYYZ

Islip Long Island

Thu 9/17

5:43 pm-11:35 pm

1 stop29h 52m

Toronto Pearson Intl

Sat 9/26

1:30 pm-6:51 pm

2 stops29h 21m

$703

Quickest round-trip

IslipToronto

ISP Islip Long Island - YYZ Toronto Pearson Intl

ISPYYZ

Islip Long Island

Wed 10/21

12:30 pm-9:25 pm

1 stop8h 55m

Toronto Pearson Intl

Fri 10/23

4:50 pm-11:20 am

2 stops18h 30m

$741

IslipToronto

ISP Islip Long Island - YYZ Toronto Pearson Intl

ISPYYZ

Islip Long Island

Thu 9/17

5:43 pm-11:35 pm

1 stop29h 52m

Toronto Pearson Intl

Sat 9/26

7:25 am-8:59 pm

1 stop13h 34m

$773

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

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 39% 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	$285
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 $285. The best round-trip flight deal from Islip, New York to Region of Ontario found on momondo in the last 72 hours is $450.

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?
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.