Latest deals
Insights
FAQs
Price Alerts

Cheap flights from Ontario to New York from $271

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to New York departing on 9/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Ontario to New York

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
11:15 pm - 9:53 am
YYZ
-
ISP
34h 38m
2 stops
Multiple Airlines Logo
10:57 am - 8:05 pm
ISP
-
YYZ
9h 08m
1 stop
$680Multiple Airlines
Thu, Jul 23 - Mon, Aug 3
Multiple Airlines Logo
11:40 am - 6:06 pm
YYZ
-
ISP
30h 26m
2 stops
Multiple Airlines Logo
7:05 am - 10:05 pm
ISP
-
YYZ
15h 00m
1 stop
$730Multiple Airlines
Sat, Jul 25 - Sat, Aug 1
Multiple Airlines Logo
11:40 am - 6:06 pm
YYZ
-
ISP
30h 26m
2 stops
Multiple Airlines Logo
7:05 am - 10:05 pm
ISP
-
YYZ
15h 00m
1 stop
$736Multiple Airlines
Sat, Jul 25 - Sat, Aug 1
Multiple Airlines Logo
6:14 pm - 11:16 am
YYZ
-
ISP
17h 02m
2 stops
Multiple Airlines Logo
5:34 pm - 9:40 pm
ISP
-
YYZ
28h 06m
1 stop
$830Multiple Airlines
Mon, Jul 20 - Sun, Jul 26
Multiple Airlines Logo
7:25 am - 8:59 pm
YYZ
-
ISP
13h 34m
1 stop
Multiple Airlines Logo
7:05 am - 12:00 pm
ISP
-
YYZ
4h 55m
1 stop
$833Multiple Airlines
Sat, Jul 25 - Sat, Aug 1
Multiple Airlines Logo
7:25 am - 8:59 pm
YYZ
-
ISP
13h 34m
1 stop
Multiple Airlines Logo
7:05 am - 10:05 pm
ISP
-
YYZ
15h 00m
1 stop
$840Multiple Airlines
Sat, Jul 25 - Sat, Aug 1
Multiple Airlines Logo
3:40 pm - 10:30 am
YYZ
-
ISP
18h 50m
2 stops
Multiple Airlines Logo
7:05 am - 10:04 pm
ISP
-
YYZ
14h 59m
2 stops
$871Multiple Airlines
Sat, Jul 25 - Sat, Aug 1
Multiple Airlines Logo
5:10 pm - 10:56 am
YYZ
-
ISP
17h 46m
1 stop
Multiple Airlines Logo
5:34 pm - 9:40 pm
ISP
-
YYZ
28h 06m
1 stop
$873Multiple Airlines
Mon, Jul 20 - Sun, Jul 26
Multiple Airlines Logo
7:25 am - 1:30 pm
YYZ
-
ISP
6h 05m
1 stop
Multiple Airlines Logo
10:57 am - 8:05 pm
ISP
-
YYZ
9h 08m
1 stop
$890Multiple Airlines
Thu, Jul 23 - Mon, Aug 3

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

momondo Fare Finder

 
Customize your flight search to find flights from Region of Ontario to Islip, New York that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated July 6, 2026.
Use the filters below to find and compare flights from Ontario to Islip, New York that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TorontoIslip

YYZ - ISP

YYZISP

Toronto Pearson Intl

Thu 7/23

11:15 pm-9:53 am

2 stops34h 38m

Islip Long Island

Mon 8/3

10:57 am-8:05 pm

1 stop9h 08m

$680

TorontoIslip

YYZ - ISP

YYZISP

Toronto Pearson Intl

Sat 7/25

11:40 am-6:06 pm

2 stops30h 26m

Islip Long Island

Sat 8/1

7:05 am-10:05 pm

1 stop15h 00m

$730

TorontoIslip

YYZ - ISP

YYZISP

Toronto Pearson Intl

Sat 7/25

11:40 am-6:06 pm

2 stops30h 26m

Islip Long Island

Sat 8/1

7:05 am-10:05 pm

1 stop15h 00m

$736

TorontoIslip

YYZ - ISP

YYZISP

Toronto Pearson Intl

Mon 7/20

6:14 pm-11:16 am

2 stops17h 02m

Islip Long Island

Sun 7/26

5:34 pm-9:40 pm

1 stop28h 06m

$830

TorontoIslip

YYZ - ISP

YYZISP

Toronto Pearson Intl

Sat 7/25

7:25 am-8:59 pm

1 stop13h 34m

Islip Long Island

Sat 8/1

7:05 am-12:00 pm

1 stop4h 55m

$833

TorontoIslip

YYZ - ISP

YYZISP

Toronto Pearson Intl

Sat 7/25

7:25 am-8:59 pm

1 stop13h 34m

Islip Long Island

Sat 8/1

7:05 am-10:05 pm

1 stop15h 00m

$840

TorontoIslip

YYZ - ISP

YYZISP

Toronto Pearson Intl

Sat 7/25

3:40 pm-10:30 am

2 stops18h 50m

Islip Long Island

Sat 8/1

7:05 am-10:04 pm

2 stops14h 59m

$871

TorontoIslip

YYZ - ISP

YYZISP

Toronto Pearson Intl

Mon 7/20

5:10 pm-10:56 am

1 stop17h 46m

Islip Long Island

Sun 7/26

5:34 pm-9:40 pm

1 stop28h 06m

$873
Quickest round-trip

TorontoIslip

YYZ - ISP

YYZISP

Toronto Pearson Intl

Thu 7/23

7:25 am-1:30 pm

1 stop6h 05m

Islip Long Island

Mon 8/3

10:57 am-8:05 pm

1 stop9h 08m

$890
Cheapest one-way

MontrealIslip

YUL - ISP

YULISP

Montreal Pierre Elliott Trudeau Intl

Wed 9/23

6:45 am-9:33 am

2 stops26h 48m

$271

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 resultsSorted by cheapest first
1
2

See travel insights to New York from

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

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 Islip, New York?

Air Canada, Porter Airlines and American Airlines are the top three most popular airlines that fly to Islip, New York from Region of Ontario according to our data. Air Canada is the first choice among our users, with 46% of people opting to fly with this airline when traveling to Islip, New York. Keep in mind that there are 8 different airlines that fly to Islip, New York on a routine basis, so you have a few additional options to choose from.

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

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

Fastest flight time

6h 29m

Direct flights

None
The fastest flight from Region of Ontario to Islip, New York takes 6h 29m
There are no direct flights from Region of Ontario to Islip, New York. There are no popular flight routes from Region of Ontario to Islip, New York.
Search flight deals

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

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

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Ontario to Islip Long Island Airport.

  • What documentation or ID do you need to fly to Islip Long Island Airport?

    The required travel and health documents for your Islip Long Island Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Islip Long Island Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Traveling to a place near New York?

Book flights to New York if you plan to visit one of these locations
Montauk
Riverhead
Southampton
Sag Harbor
Amagansett

Why use momondo?

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

Finding the right flight to Islip from Ontario is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Islip quick and easy, saving you time and money.

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

Yes. momondo enables you to select and highlight flights to Islip from Ontario with this policy.

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

momondo provides multiple filters to help you find the best flight to Islip from Ontario. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

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

An easier way to manage your Islip, New York trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Wed 8/5
Wed 8/12
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States