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Stewart

$152+ Cheap flights from Ontario to New Windsor (SWF)

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 1/11. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — SWF
Jan 14 — Jan 211
Wed 1/14
Wed 1/21
1 adult, Economy
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Cheap flight deals from Ontario to Stewart

Cheapest flights from Ontario to Stewart
Explore the most affordable flight options available from Ontario to Stewart. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 15, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/13. 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.
Sun 12/145:25 pmYUL - SWF
2 stops18h 12mMultiple Airlines
Sun 12/2111:43 amSWF - YUL
1 stop12h 47mMultiple Airlines
Deal found 12/13$659
This Kiwi.com deal was found by Cheapflights users on 12/13. 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.
Sun 12/144:35 pmYUL - SWF
2 stops19h 09mMultiple Airlines
Tue 12/2311:43 amSWF - YUL
1 stop12h 47mMultiple Airlines
Deal found 12/13$745
This Kiwi.com deal was found by Cheapflights users on 12/13. 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.
Mon 12/297:10 amYYZ - SWF
1 stop27h 53mMultiple Airlines
Thu 1/111:43 amSWF - YYZ
1 stop12h 28mMultiple Airlines
Deal found 12/13$811
This Mytrip deal was found by Cheapflights users on 12/13. 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.
Thu 12/184:00 pmYYZ - SWF
2 stops26h 06mMultiple Airlines
Mon 12/228:25 pmSWF - YYZ
2 stops24h 54mMultiple Airlines
Deal found 12/13$901
This Kiwi.com deal was found by Cheapflights users on 12/12. 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.
Sat 12/205:25 pmYUL - SWF
2 stops17h 38mMultiple Airlines
Mon 12/228:25 pmSWF - YUL
1 stop19h 58mMultiple Airlines
Deal found 12/12$913
This Mytrip deal was found by Cheapflights users on 12/13. 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 12/199:35 amYYZ - SWF
1 stop8h 31mMultiple Airlines
Mon 12/228:25 pmSWF - YYZ
2 stops24h 54mMultiple Airlines
Deal found 12/13$977
This Kiwi.com deal was found by Cheapflights users on 12/15. 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.
Sat 12/278:20 pmYYZ - SWF
1 stop14h 43mMultiple Airlines
Mon 1/512:24 pmSWF - YYZ
2 stops12h 01mMultiple Airlines
Deal found 12/15$1,041
This Kiwi.com deal was found by Cheapflights users on 12/13. 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.
Mon 12/228:20 pmYYZ - SWF
1 stop14h 43mMultiple Airlines
Mon 1/512:24 pmSWF - YYZ
2 stops11h 47mMultiple Airlines
Deal found 12/13$1,143
This Kiwi.com deal was found by Cheapflights users on 12/15. 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.
Mon 12/298:20 pmYYZ - SWF
1 stop14h 43mMultiple Airlines
Fri 1/212:24 pmSWF - YYZ
2 stops11h 47mMultiple Airlines
Deal found 12/15$1,177
This Kiwi.com deal was found by Cheapflights users on 12/13. 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.
Sat 12/278:20 pmYYZ - SWF
1 stop14h 43mMultiple Airlines
Tue 12/3011:43 amSWF - YYZ
1 stop12h 28mMultiple Airlines
Deal found 12/13$1,201

Find flight deals from Ontario to Stewart

Keep the following information in mind while searching for Ontario to Stewart flight deals. Data was last updated December 15, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$684
(Kiwi.com)

One-way from

$152
(Kiwi.com)

Popular in

December

Cheapest in

May

Average price

$271
Provider with most accurate pricing for Toronto (YTO)-New York (NYC) flight deals.
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Provider most trusted by Cheapflights users for Toronto (YTO)-New York (NYC) flights.
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From Ontario to New Windsor Stewart
Search Deals
One-way flight from Ontario to New Windsor Stewart
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($23 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Stewart 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 December 15, 2025.
Use the filters below to find and compare flights from Ontario to New Windsor that are best for you.

Fly from

Ontario

Fly to

Stewart

Route

Depart

Return

Price

TorontoNew Windsor

YYZ - SWF

YYZSWF

Toronto Pearson Intl

Thu 1/29

6:14 pm-10:19 am

2 stops16h 05m

New Windsor Stewart

Mon 2/2

11:09 am-10:15 pm

1 stop11h 06m

$684

TorontoNew Windsor

YYZ - SWF

YYZSWF

Toronto Pearson Intl

Mon 12/29

7:10 am-11:03 am

1 stop27h 53m

New Windsor Stewart

Thu 1/1

11:43 am-12:11 am

1 stop12h 28m

$811

MontrealNew Windsor

YUL - SWF

YULSWF

Montreal Pierre Elliott Trudeau Intl

Sat 12/20

5:25 pm-11:03 am

2 stops17h 38m

New Windsor Stewart

Mon 12/22

8:25 pm-4:23 pm

1 stop19h 58m

$913

TorontoNew Windsor

YYZ - SWF

YYZSWF

Toronto Pearson Intl

Thu 3/12

8:20 pm-11:31 am

2 stops15h 11m

New Windsor Stewart

Thu 3/19

11:48 am-12:14 am

1 stop12h 26m

$996

TorontoNew Windsor

YYZ - SWF

YYZSWF

Toronto Pearson Intl

Sat 12/27

8:20 pm-11:03 am

1 stop14h 43m

New Windsor Stewart

Mon 1/5

12:24 pm-12:25 am

2 stops12h 01m

$1,041

TorontoNew Windsor

YYZ - SWF

YYZSWF

Toronto Pearson Intl

Mon 12/29

8:20 pm-11:03 am

1 stop14h 43m

New Windsor Stewart

Fri 1/2

12:24 pm-12:11 am

2 stops11h 47m

$1,177

TorontoNew Windsor

YYZ - SWF

YYZSWF

Toronto Pearson Intl

Sat 12/27

8:20 pm-11:03 am

1 stop14h 43m

New Windsor Stewart

Tue 12/30

11:43 am-12:11 am

1 stop12h 28m

$1,201

TorontoNew Windsor

YYZ - SWF

YYZSWF

Toronto Pearson Intl

Sun 12/28

8:20 pm-11:44 am

2 stops15h 24m

New Windsor Stewart

Thu 1/1

11:43 am-12:11 am

1 stop12h 28m

$1,218

TorontoNew Windsor

YYZ - SWF

YYZSWF

Toronto Pearson Intl

Fri 2/6

7:10 am-6:43 pm

1 stop11h 33m

$155

TorontoNew Windsor

YYZ - SWF

YYZSWF

Toronto Pearson Intl

Thu 2/5

8:30 pm-10:19 am

1 stop13h 49m

$162

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

Showing 1-10 of 34 results
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Best time to book a flight from Ontario to Stewart

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

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

Currently, May is the cheapest month in which you can book a flight from Region of Ontario to New Windsor (average of $83). Flying from Region of Ontario to New Windsor in December is currently the most expensive (average of $176). 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 Ontario to Stewart. 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 into for flights to New Windsor from Ontario?

    For a flight from Ontario to New Windsor, you will be flying into Stewart. New Windsor Stewart (SWF) is just 4.3 mi from the center of the city.

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

    While some choose either Montreal Pierre Elliott Trudeau Intl - New Windsor Stewart or Ottawa - New Windsor Stewart, Toronto Pearson Intl - New Windsor Stewart is the most popular route from Region of Ontario to New Windsor.

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

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

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

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

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

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

    Currently, May is the cheapest month in which you can book a flight from Region of Ontario to New Windsor (average of $83). Flying from Region of Ontario to New Windsor in December is currently the most expensive (average of $176). 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

Traveling to a place near New Windsor?

Book flights to New Windsor if you plan to visit one of these locations
Kingston

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Alternative routes for Ontario to Stewart

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