Find flights
When to book
FAQs

Cheap flights from Islip, NY to Ontario from C$ 199

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/2. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — YYZ
23 Dec — 30 Dec1
1 adult

Cheap flight deals from Islip to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Islip (ISP) to Ontario (CAON). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 18 December 2024.

Round-trip from

C$ 448

One-way from

C$ 199
7/1-10/1
  • 7/1-10/1
  • 2 total stops
  • 23h 57m total
  • Islip to Ontario
1/2
  • 1/2
  • 1 total stop
  • 15h 20m total
  • Islip to Ontario

Find flight deals from Islip to Ontario

Cheapest flights from Islip to Ontario
Explore the most affordable flight options available from Islip to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 December 2024.

Mon 30/126:36 p.m.ISP - YYZ
1 stop16h 49mMultiple Airlines
Fri 3/17:15 a.m.YYZ - ISP
1 stop10h 41mMultiple Airlines
Deal found 16/12C$ 1,078

Find flights from Islip to Ontario within your budget

Customize your flight search to find flights from Islip to Ontario 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, Cheapflights users made 629,999 searches. Data last updated 18 December 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

IslipToronto

ISP - YYZ

ISPYYZ

Islip Long Island

Tue 7/1

8:40 a.m.-7:30 p.m.

1 stop10h 50m

Toronto Pearson Intl

Fri 10/1

7:10 a.m.-8:17 p.m.

1 stop13h 07m

C$ 448

IslipMontreal

ISP - YUL

ISPYUL

Islip Long Island

Sat 11/1

7:25 p.m.-3:00 p.m.

1 stop19h 35m

Montreal Pierre Elliott Trudeau Intl

Fri 17/1

3:55 p.m.-6:45 p.m.

1 stop26h 50m

C$ 548

IslipToronto

ISP - YYZ

ISPYYZ

Islip Long Island

Sat 1/2

6:30 a.m.-9:50 p.m.

1 stop15h 20m

C$ 199

Flights are sorted by cheapest round-trip flights first.

Deals found on 18/12

Best time to book a flight from Islip to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Islip with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Islip to Ontario

Get recent, data-driven insights about flights from Islip to Ontario including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Islip, New York to Region of Ontario?

Currently, October is the cheapest month in which you can book a flight from Islip, New York to Region of Ontario (average of C$ 178). Flying from Islip, New York to Region of Ontario in July is currently the most expensive (average of C$ 258). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Region of Ontario ranges from 51.0 - 83.0 mm per month. June is typically the wettest month, when rainfall can reach 83.0 mm. February is typically the driest time to visit Region of Ontario when rainfall is around 51.0 mm.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Region of Ontario, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -6.0 C).

Related info for your journey

Find useful and relevant information for your journey from Islip to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly from for flights from Islip to Ontario?

    Islip Long Island (ISP), located 11.6 km from the city centre, is the airport you fly out of when you book flights from Islip to Ontario.

  • Can I find deals for flights from Islip to Ontario that include hotel bookings?

    Yes. In addition to deals on Islip to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Islip to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Islip to Ontario.

  • Can I find deals for business class flights from Islip to Ontario?

    Yes. Cheapflights offers flight deals from Islip to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Islip, New York to Region of Ontario?

    Currently, October is the cheapest month in which you can book a flight from Islip, New York to Region of Ontario (average of C$ 178). Flying from Islip, New York to Region of Ontario in July is currently the most expensive (average of C$ 258). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Islip to Ontario

See prices for flight routes from nearby airports that may be better suited for you.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Islip to Ontario?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Ontario from Islip today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Islip to Ontario?

Cheapflights helps you find that perfect flight to Ontario from Islip by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Islip to Ontario with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Islip to Ontario flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Islip to Ontario become cheaper?

Not ready to book yet? You can track prices for flights from Islip to Ontario on Cheapflights with our Price Alert feature and get notified when better prices are available.

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.