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$137+ Cheap flights from New Windsor (SWF) to Ontario

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 12/15. Fares are subject to change and may not be available on all flights or dates of travel.
SWF — YYZ
Nov 26 — Dec 31
Wed 11/26
Wed 12/3
1 adult, Economy
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Find flight deals from Stewart to Ontario

Cheapest flights from Stewart to Ontario
Explore the most affordable flight options available from Stewart to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 27, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1111:43 amSWF - YYZ
1 stop12h 28mMultiple Airlines
Thu 12/187:10 amYYZ - SWF
2 stops28h 34mMultiple Airlines
Deal found 10/27$409
This Kiwi.com deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1311:43 amSWF - YYZ
1 stop12h 28mMultiple Airlines
Sun 11/169:35 amYYZ - SWF
1 stop25h 36mMultiple Airlines
Deal found 10/26$456
This Mytrip deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3111:31 amSWF - YOW
2 stops25h 47mMultiple Airlines
Sun 11/212:05 pmYOW - SWF
2 stops23h 06mMultiple Airlines
Deal found 10/26$478
This Kiwi.com deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/198:11 pmSWF - YUL
1 stop28h 19mMultiple Airlines
Mon 12/228:00 amYUL - SWF
1 stop11h 35mMultiple Airlines
Deal found 10/27$538
This Kiwi.com deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2711:43 amSWF - YYZ
1 stop12h 28mMultiple Airlines
Sun 11/306:10 pmYYZ - SWF
2 stops22h 49mMultiple Airlines
Deal found 10/26$644
This Kiwi.com deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2612:17 pmSWF - YYZ
1 stop9h 55mMultiple Airlines
Sun 11/306:10 pmYYZ - SWF
2 stops22h 49mMultiple Airlines
Deal found 10/26$664

Cheap flight deals from Stewart to Ontario

Keep the following information in mind while searching for Stewart to Ontario flight deals. Data was last updated October 27, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$456
(Kiwi.com)

One-way from

$137
(Kiwi.com)

Popular in

November

Cheapest in

January

Average price

$314
Provider with most accurate pricing for New York (NYC)-Toronto (YTO) flight deals.
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Provider most trusted by Cheapflights users for New York (NYC)-Toronto (YTO) flights.
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From New Windsor Stewart to Ontario
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One-way flight from New Windsor Stewart to Ontario
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Highest demand for flights based on searches. 15% potential increase in price ($51 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Stewart 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 2,558,603 searches. Data last updated October 27, 2025.
Use the filters below to find and compare flights from New Windsor to Ontario that are best for you.

Fly from

Stewart

Fly to

Ontario

Route

Depart

Return

Price

New WindsorToronto

SWF - YYZ

SWFYYZ

New Windsor Stewart

Thu 11/13

11:43 am-12:11 am

1 stop12h 28m

Toronto Pearson Intl

Sun 11/16

9:35 am-11:11 am

1 stop25h 36m

$456

New WindsorOttawa

SWF - YOW

SWFYOW

New Windsor Stewart

Fri 10/31

11:31 am-1:18 pm

2 stops25h 47m

Ottawa

Sun 11/2

12:05 pm-11:11 am

2 stops23h 06m

$478

New WindsorMontreal

SWF - YUL

SWFYUL

New Windsor Stewart

Fri 12/19

8:11 pm-12:30 am

1 stop28h 19m

Montreal Pierre Elliott Trudeau Intl

Mon 12/22

8:00 am-7:35 pm

1 stop11h 35m

$538

New WindsorToronto

SWF - YYZ

SWFYYZ

New Windsor Stewart

Thu 11/27

11:43 am-12:11 am

1 stop12h 28m

Toronto Pearson Intl

Sun 11/30

6:10 pm-4:59 pm

2 stops22h 49m

$644

New WindsorToronto

SWF - YYZ

SWFYYZ

New Windsor Stewart

Wed 11/26

12:17 pm-10:12 pm

1 stop9h 55m

Toronto Pearson Intl

Sun 11/30

6:10 pm-4:59 pm

2 stops22h 49m

$664

New WindsorToronto

SWF - YYZ

SWFYYZ

New Windsor Stewart

Mon 12/15

12:24 pm-12:11 am

2 stops11h 47m

$137

New WindsorToronto

SWF - YYZ

SWFYYZ

New Windsor Stewart

Mon 2/9

11:09 am-11:20 pm

1 stop12h 11m

$138

New WindsorOttawa

SWF - YOW

SWFYOW

New Windsor Stewart

Mon 12/15

12:27 pm-12:25 am

1 stop11h 58m

$140

New WindsorToronto

SWF - YYZ

SWFYYZ

New Windsor Stewart

Thu 12/11

11:43 am-12:11 am

1 stop12h 28m

$145

New WindsorToronto

SWF - YYZ

SWFYYZ

New Windsor Stewart

Fri 12/12

12:27 pm-10:12 pm

1 stop9h 45m

$185

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

Showing 1-10 of 23 results
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Best time to book a flight from Stewart to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Stewart 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.

Cheapflights Insights

Everything you need to know about your flight from New Windsor to Ontario

What is the cheapest month to book a flight from New Windsor to Region of Ontario?

Currently, May is the cheapest month in which you can book a flight from New Windsor to Region of Ontario (average of $84). Flying from New Windsor to Region of Ontario in December is currently the most expensive (average of $129). 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.

Related info for your journey

Find useful and relevant information for your journey from Stewart 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 New Windsor to Ontario?

    New Windsor Stewart (SWF), located 4.3 mi from the city center, is the airport you fly out of when you book flights from New Windsor to Ontario.

  • What are the most popular routes from New Windsor to Region of Ontario?

    Most travelers choose New Windsor Stewart - Montreal Pierre Elliott Trudeau Intl, New Windsor Stewart - Toronto Pearson Intl or New Windsor Stewart - Ottawa when deciding on the best route from New Windsor to Region of Ontario.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Stewart 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 New Windsor to Region of Ontario?

    Currently, May is the cheapest month in which you can book a flight from New Windsor to Region of Ontario (average of $84). Flying from New Windsor to Region of Ontario in December is currently the most expensive (average of $129). 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

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Alternative routes for Stewart to Ontario

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