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$129+ 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 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
SWF — YYZ
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap 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 January 29, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/28. 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 6/149:38 am
SWF
-
YYZ
1 stop10h 27m
Multiple Airlines
Wed 6/247:15 am
YYZ
-
SWF
1 stop25h 43m
Multiple Airlines
Deal found 1/28$386
This Kiwi.com deal was found by Cheapflights users on 1/28. 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 6/149:38 am
SWF
-
YYZ
1 stop10h 27m
Multiple Airlines
Mon 6/224:00 pm
YYZ
-
SWF
1 stop19h 08m
Multiple Airlines
Deal found 1/28$398
This Kiwi.com deal was found by Cheapflights users on 1/28. 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 4/1911:45 am
SWF
-
YUL
1 stop28h 43m
Multiple Airlines
Sun 4/264:35 pm
YUL
-
SWF
2 stops18h 56m
Multiple Airlines
Deal found 1/28$453
This Kiwi.com deal was found by Cheapflights users on 1/28. 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 2/612:11 pm
SWF
-
YOW
2 stops11h 47m
Multiple Airlines
Sun 2/84:15 pm
YOW
-
SWF
1 stop18h 04m
Multiple Airlines
Deal found 1/28$469
This Kiwi.com deal was found by Cheapflights users on 1/28. 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 2/67:33 pm
SWF
-
YYZ
1 stop18h 47m
Multiple Airlines
Sun 2/88:30 pm
YYZ
-
SWF
1 stop13h 49m
Multiple Airlines
Deal found 1/28$470
This Kiwi.com deal was found by Cheapflights users on 1/28. 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 1/3011:09 am
SWF
-
YUL
1 stop29h 13m
Multiple Airlines
Sun 2/15:25 pm
YUL
-
SWF
2 stops16h 54m
Multiple Airlines
Deal found 1/28$532
This Kiwi.com deal was found by Cheapflights users on 1/28. 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 1/3011:09 am
SWF
-
YYZ
1 stop24h 14m
Multiple Airlines
Sun 2/13:40 pm
YYZ
-
SWF
1 stop18h 39m
Multiple Airlines
Deal found 1/28$541
This Kiwi.com deal was found by Cheapflights users on 1/26. 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.
Sun 7/199:38 am
SWF
-
YYZ
1 stop12h 59m
Multiple Airlines
Sat 7/256:30 am
YYZ
-
SWF
1 stop27h 08m
Multiple Airlines
Deal found 1/26$639
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 6/1810:28 am
SWF
-
YUL
2 stops14h 12m
Multiple Airlines
Wed 6/244:35 pm
YUL
-
SWF
1 stop16h 23m
Multiple Airlines
Deal found 1/27$674
This Kiwi.com deal was found by Cheapflights users on 1/28. 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 1/3012:11 pm
SWF
-
YYZ
2 stops11h 08m
Multiple Airlines
Sat 1/315:15 pm
YYZ
-
SWF
1 stop18h 18m
Multiple Airlines
Deal found 1/28$891
This Kiwi.com deal was found by Cheapflights users on 1/28. 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 1/296:49 pm
SWF
-
YYZ
2 stops22h 15m
Multiple Airlines
Sun 2/18:30 pm
YYZ
-
SWF
1 stop13h 49m
Multiple Airlines
Deal found 1/28$907
This Kiwi.com deal was found by Cheapflights users on 1/28. 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 2/2711:03 am
SWF
-
YYZ
1 stop13h 11m
Multiple Airlines
Fri 3/610:15 pm
YYZ
-
SWF
2 stops34h 04m
Multiple Airlines
Deal found 1/28$957

Find flight deals from Stewart to Ontario

Keep the following information in mind while searching for Stewart to Ontario flight deals. Data was last updated January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$386
(Kiwi.com)

One-way from

$129
(Kiwi.com)

Popular in

December

Cheapest in

May

Average price

$279
Provider with most accurate pricing for New York (NYC)-Toronto (YTO) flight deals.
Search Deals
Provider most trusted by Cheapflights users for New York (NYC)-Toronto (YTO) flights.
Search Deals
From New Windsor Stewart to Ontario
Search Deals
One-way flight from New Windsor Stewart to Ontario
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($41 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 January 29, 2026.
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

Sun 6/14

9:38 am-8:05 pm

1 stop10h 27m

Toronto Pearson Intl

Wed 6/24

7:15 am-8:58 am

1 stop25h 43m

$386

New WindsorToronto

SWF - YYZ

SWFYYZ

New Windsor Stewart

Sun 6/14

9:38 am-8:05 pm

1 stop10h 27m

Toronto Pearson Intl

Mon 6/22

4:00 pm-11:08 am

1 stop19h 08m

$398

New WindsorMontreal

SWF - YUL

SWFYUL

New Windsor Stewart

Sun 4/19

11:45 am-4:28 pm

1 stop28h 43m

Montreal Pierre Elliott Trudeau Intl

Sun 4/26

4:35 pm-11:31 am

2 stops18h 56m

$453

New WindsorToronto

SWF - YYZ

SWFYYZ

New Windsor Stewart

Sun 7/19

9:38 am-10:37 pm

1 stop12h 59m

Toronto Pearson Intl

Sat 7/25

6:30 am-9:38 am

1 stop27h 08m

$639

New WindsorMontreal

SWF - YUL

SWFYUL

New Windsor Stewart

Thu 6/18

10:28 am-12:40 am

2 stops14h 12m

Montreal Pierre Elliott Trudeau Intl

Wed 6/24

4:35 pm-8:58 am

1 stop16h 23m

$674

New WindsorToronto

SWF - YYZ

SWFYYZ

New Windsor Stewart

Fri 2/27

11:03 am-12:14 am

1 stop13h 11m

Toronto Pearson Intl

Fri 3/6

10:15 pm-8:19 am

2 stops34h 04m

$957

New WindsorToronto

SWF - YYZ

SWFYYZ

New Windsor Stewart

Thu 3/5

10:09 am-7:55 pm

1 stop9h 46m

$129

New WindsorMontreal

SWF - YUL

SWFYUL

New Windsor Stewart

Mon 2/9

12:11 pm-8:14 pm

3 stops32h 03m

$130

New WindsorToronto

SWF - YYZ

SWFYYZ

New Windsor Stewart

Thu 3/12

10:09 am-11:20 pm

1 stop13h 11m

$134

New WindsorOttawa

SWF - YOW

SWFYOW

New Windsor Stewart

Thu 2/26

11:52 am-12:25 am

1 stop12h 33m

$135

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

Showing 1-10 of 34 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 $128). 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 - Toronto Pearson Intl, New Windsor Stewart - Montreal Pierre Elliott Trudeau 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 $128). 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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See prices for flight routes from nearby airports that may be better suited for you.
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