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.

$143 Cheap Flights from Islip to Ontario in 2026

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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 pm - 10:05 pm

ISP

YYZ

29h 58m

2 stops

7:10 am - 11:00 am

YYZ

ISP

27h 50m

1 stop

$388Multiple Airlines

lun., may. 4 - lun., may. 11

5:38 pm - 11:35 am

ISP

YYZ

41h 57m

2 stops

7:45 am - 10:05 am

YYZ

ISP

26h 20m

1 stop

$448Multiple Airlines

mar., may. 5 - mar., may. 12

11:00 am - 11:35 am

ISP

YYZ

24h 35m

2 stops

4:50 pm - 10:05 am

YYZ

ISP

17h 15m

1 stop

$475Multiple Airlines

mié., may. 6 - mié., may. 13

11:00 am - 11:35 am

ISP

YYZ

24h 35m

2 stops

4:50 pm - 10:05 am

YYZ

ISP

17h 15m

1 stop

$496Multiple Airlines

mié., may. 6 - mié., may. 13

11:00 am - 2:33 pm

ISP

YOW

27h 33m

1 stop

2:20 pm - 10:05 am

YOW

ISP

19h 45m

2 stops

$565Multiple Airlines

jue., may. 7 - jue., may. 14

10:48 am - 4:45 pm

ISP

YYZ

29h 57m

1 stop

9:50 am - 10:03 am

YYZ

ISP

24h 13m

1 stop

$569Multiple Airlines

jue., jul. 2 - mar., jul. 7

10:48 am - 4:45 pm

ISP

YYZ

29h 57m

1 stop

6:30 am - 4:47 pm

YYZ

ISP

10h 17m

2 stops

$570Multiple Airlines

jue., jul. 2 - mar., jul. 7

11:00 am - 2:30 pm

ISP

YYZ

27h 30m

1 stop

4:50 pm - 10:05 am

YYZ

ISP

17h 15m

1 stop

$571Multiple Airlines

mié., may. 6 - mié., may. 13

11:59 am - 2:53 pm

ISP

YYZ

26h 54m

1 stop

5:50 pm - 9:33 am

YYZ

ISP

39h 43m

2 stops

$582Multiple Airlines

mar., abr. 21 - mar., abr. 28

11:00 am - 2:30 pm

ISP

YYZ

27h 30m

1 stop

4:50 pm - 10:05 am

YYZ

ISP

17h 15m

1 stop

$592Multiple Airlines

mié., may. 6 - mié., may. 13

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

lun. 5/4

4:07 pm-10:05 pm

2 stops29h 58m

Toronto Pearson Intl

lun. 5/11

7:10 am-11:00 am

1 stop27h 50m

$388

IslipToronto

ISP - YYZ

ISPYYZ

Islip Long Island

mar. 5/5

5:38 pm-11:35 am

2 stops41h 57m

Toronto Pearson Intl

mar. 5/12

7:45 am-10:05 am

1 stop26h 20m

$448

IslipToronto

ISP - YYZ

ISPYYZ

Islip Long Island

mié. 5/6

11:00 am-11:35 am

2 stops24h 35m

Toronto Pearson Intl

mié. 5/13

4:50 pm-10:05 am

1 stop17h 15m

$475

IslipToronto

ISP - YYZ

ISPYYZ

Islip Long Island

mié. 5/6

11:00 am-11:35 am

2 stops24h 35m

Toronto Pearson Intl

mié. 5/13

4:50 pm-10:05 am

1 stop17h 15m

$496

IslipOttawa

ISP - YOW

ISPYOW

Islip Long Island

jue. 5/7

11:00 am-2:33 pm

1 stop27h 33m

Ottawa

jue. 5/14

2:20 pm-10:05 am

2 stops19h 45m

$565

IslipToronto

ISP - YYZ

ISPYYZ

Islip Long Island

jue. 7/2

10:48 am-4:45 pm

1 stop29h 57m

Toronto Pearson Intl

mar. 7/7

9:50 am-10:03 am

1 stop24h 13m

$569

Quickest round-trip

IslipToronto

ISP - YYZ

ISPYYZ

Islip Long Island

jue. 7/2

10:48 am-4:45 pm

1 stop29h 57m

Toronto Pearson Intl

mar. 7/7

6:30 am-4:47 pm

2 stops10h 17m

$570

IslipToronto

ISP - YYZ

ISPYYZ

Islip Long Island

mié. 5/6

11:00 am-2:30 pm

1 stop27h 30m

Toronto Pearson Intl

mié. 5/13

4:50 pm-10:05 am

1 stop17h 15m

$571

IslipToronto

ISP - YYZ

ISPYYZ

Islip Long Island

mar. 4/21

11:59 am-2:53 pm

1 stop26h 54m

Toronto Pearson Intl

mar. 4/28

5:50 pm-9:33 am

2 stops39h 43m

$582

IslipToronto

ISP - YYZ

ISPYYZ

Islip Long Island

mié. 5/6

11:00 am-2:30 pm

1 stop27h 30m

Toronto Pearson Intl

mié. 5/13

4:50 pm-10:05 am

1 stop17h 15m

$592

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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 38% of people opting to fly with this airline when traveling to Region of Ontario. Keep in mind that there are 8 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	10h 48m
Direct flights	None

The fastest flight from Islip, New York to Region of Ontario takes 10h 48m

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?
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.