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.

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).

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

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

What is the cheapest time of day to fly from SWF to ON?

When flying from New Windsor to Region of Ontario, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What airport do you fly from for flights from New Windsor to Ontario?

For a flight from New Windsor to Ontario, you will be flying from Stewart. New Windsor Stewart (SWF) is just 7.0 km from the centre of the city.

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.

C$ 154+ Cheap Flights from New Windsor to Ontario

Cheap flight deals from Stewart to Ontario

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

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 14 September 2026.

Thu 8/1010:18 a.m. -

1 stop10h 37m

Wed 28/109:20 a.m. -

1 stop24h 28m

Deal found 10/9C$ 479

Wed 7/1012:39 p.m. -

2 stops28h 01m

Wed 28/109:35 a.m. -

1 stop24h 13m

Deal found 10/9C$ 499

Sat 10/1012:39 p.m. -

2 stops25h 06m

Wed 28/109:35 a.m. -

1 stop24h 13m

Deal found 10/9C$ 515

Thu 8/1010:18 a.m. -

1 stop10h 37m

Sat 24/106:30 a.m. -

1 stop28h 38m

Deal found 10/9C$ 528

Wed 7/1012:39 p.m. -

2 stops28h 01m

Sat 24/106:30 a.m. -

1 stop28h 38m

Deal found 10/9C$ 549

Sat 10/1012:39 p.m. -

2 stops25h 06m

Sat 24/106:30 a.m. -

1 stop28h 38m

Deal found 10/9C$ 565

Thu 8/1010:18 a.m. -

1 stop10h 37m

Tue 27/107:15 a.m. -

2 stops28h 24m

Deal found 10/9C$ 581

Thu 8/1010:18 a.m. -

1 stop10h 37m

Thu 22/107:45 a.m. -

2 stops27h 51m

Deal found 10/9C$ 584

Thu 8/1010:18 a.m. -

1 stop10h 37m

Mon 26/107:15 a.m. -

1 stop10h 56m

Deal found 10/9C$ 612

Sun 11/1011:53 a.m. -

2 stops33h 26m

Wed 28/109:35 a.m. -

1 stop24h 13m

Deal found 10/9C$ 628

Wed 7/1012:39 p.m. -

2 stops28h 01m

Mon 26/107:15 a.m. -

1 stop10h 56m

Deal found 10/9C$ 632

Sat 10/1012:39 p.m. -

2 stops25h 06m

Mon 26/107:15 a.m. -

1 stop10h 56m

Deal found 10/9C$ 648

Best flights from Stewart to Ontario
Discover carefully curated flight deals from Stewart to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 14 September 2026.

Thu 8/1010:18 a.m. -

1 stop10h 37m

Thu 22/107:45 a.m. -

2 stops27h 51m

Deal found 10/9C$ 584

Fri 23/1012:16 p.m. -

2 stops11h 19m

Wed 28/109:20 a.m. -

1 stop24h 28m

Deal found 12/9C$ 734

Sat 24/1012:39 p.m. -

2 stops28h 05m

Sat 31/107:05 a.m. -

1 stop29h 03m

Deal found 9/9C$ 749

Fri 9/109:40 a.m. -

1 stop28h 05m

Sat 24/106:30 a.m. -

1 stop28h 38m

Deal found 10/9C$ 793

Fri 2/108:48 p.m. -

1 stop16h 57m

Fri 9/106:33 p.m. -

2 stops17h 06m

Deal found 9/9C$ 1,008

Mon 12/107:01 p.m. -

1 stop21h 39m

Mon 26/107:15 a.m. -

1 stop10h 56m

Deal found 10/9C$ 1,011

Wed 30/912:39 p.m. -

2 stops9h 20m

Sat 3/107:00 a.m. -

1 stop27h 58m

Deal found 9/9C$ 1,031

Fri 9/109:40 a.m. -

1 stop28h 05m

Sun 25/105:15 p.m. -

2 stops18h 21m

Deal found 10/9C$ 1,033

Sun 11/107:14 p.m. -

1 stop26h 05m

Sun 25/105:15 p.m. -

2 stops18h 21m

Deal found 10/9C$ 1,072

Thu 8/1010:18 a.m. -

1 stop10h 37m

Mon 12/106:33 p.m. -

2 stops41h 06m

Deal found 9/9C$ 1,090

Thu 8/1010:18 a.m. -

1 stop10h 37m

Fri 23/106:15 a.m. -

2 stops11h 50m

Deal found 10/9C$ 1,178

Tue 29/1210:35 a.m. -

1 stop13h 20m

Sun 10/17:40 a.m. -

1 stop11h 31m

Deal found 12/9C$ 1,200

Sat 28/117:45 p.m. -

1 stop20h 40m

Thu 3/1212:41 p.m. -

2 stops22h 55m

Deal found 9/9C$ 1,361

Sat 28/117:45 p.m. -

1 stop20h 40m

Wed 2/126:39 p.m. -

2 stops23h 20m

Deal found 9/9C$ 1,473

Wed 25/1111:06 a.m. -

2 stops12h 50m

Sat 28/118:00 a.m. -

1 stop10h 55m

Deal found 9/9C$ 1,684

Find flight deals from Stewart to Ontario

Round-trip from	C$ 479
One-way from	C$ 154
Popular in	November
Cheapest in	April
Average price	C$ 470

8/10-28/10
2 total stops
35h 05m total
New Windsor to Ontario

Search Deals

25/10-31/12
1 total stop
11h 57m total
New Windsor to Ontario

Search Deals

Highest demand for flights based on searches. 8% potential increase in price (C$ 53 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease (C$ 8 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

New WindsorToronto

SWF New Windsor Stewart - YYZ Toronto Pearson Intl

SWFYYZ

New Windsor Stewart

Thu 5/11

11:00 a.m.-3:20 p.m.

1 stop28h 20m

Toronto Pearson Intl

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 183

New WindsorToronto

SWF New Windsor Stewart - YYZ Toronto Pearson Intl

SWFYYZ

New Windsor Stewart

Thu 15/10

10:18 a.m.-8:55 p.m.

1 stop10h 37m

Toronto Pearson Intl

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 211

Quickest round-trip

New WindsorToronto

SWF New Windsor Stewart - YYZ Toronto Pearson Intl

SWFYYZ

New Windsor Stewart

Thu 22/10

10:38 a.m.-8:55 p.m.

1 stop10h 17m

Toronto Pearson Intl

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 219

New WindsorMontreal

SWF New Windsor Stewart - YUL Montreal Pierre Elliott Trudeau Intl

SWFYUL

New Windsor Stewart

Thu 8/10

10:18 a.m.-12:25 a.m.

2 stops14h 07m

Montreal Pierre Elliott Trudeau Intl

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 246

New WindsorOttawa

SWF New Windsor Stewart - YOW Ottawa

SWFYOW

New Windsor Stewart

Thu 8/10

10:18 a.m.-12:20 a.m.

2 stops14h 02m

Ottawa

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 254

New WindsorOttawa

SWF New Windsor Stewart - YOW Ottawa

SWFYOW

New Windsor Stewart

Thu 22/10

10:38 a.m.-12:20 a.m.

2 stops13h 42m

Ottawa

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 258

New WindsorMontreal

SWF New Windsor Stewart - YUL Montreal Pierre Elliott Trudeau Intl

SWFYUL

New Windsor Stewart

Thu 10/12

6:49 p.m.-11:30 a.m.

2 stops40h 41m

Montreal Pierre Elliott Trudeau Intl

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 265

New WindsorToronto

SWF New Windsor Stewart - YYZ Toronto Pearson Intl

SWFYYZ

New Windsor Stewart

Fri 2/10

8:48 p.m.-1:45 p.m.

1 stop16h 57m

Toronto Pearson Intl

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 268

New WindsorToronto

SWF New Windsor Stewart - YYZ Toronto Pearson Intl

SWFYYZ

New Windsor Stewart

Sat 3/10

12:39 p.m.-1:45 p.m.

2 stops25h 06m

Toronto Pearson Intl

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 277

New WindsorToronto

SWF New Windsor Stewart - YYZ Toronto Pearson Intl

SWFYYZ

New Windsor Stewart

Sat 10/10

12:39 p.m.-1:45 p.m.

2 stops25h 06m

Toronto Pearson Intl

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 283

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 44 resultsSorted by cheapest first

...

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.

SWF-YYZ

SWF-YOW

SWF-YUL

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

SWF-CAON

SWF-YYZ

SWF-YOW

SWF-YUL

No data available for this route at this time. Please check back soon.

Related info for your journey

What airport do you fly from for flights from New Windsor to Ontario?
For a flight from New Windsor to Ontario, you will be flying from Stewart. New Windsor Stewart (SWF) is just 7.0 km from the centre of the city.
What are the most popular routes from New Windsor to Region of Ontario?
Most travellers choose New Windsor Stewart - Toronto Pearson Intl, New Windsor Stewart - Ottawa or New Windsor Stewart - Montreal Pierre Elliott Trudeau Intl 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes

Complete your trip

Direct flights to Canada

Flights by cabin class

Other flight options

Popular flights

Top destinations

Alternative routes for Stewart to Ontario

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Fly with Cheapflights

How does Cheapflights help users find flights from Stewart 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 Stewart today with Cheapflights!

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Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Stewart to Ontario for you. Better yet — we are completely free to use.

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

Need flexible booking options for your flight to Ontario from Stewart? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Of course! You can now track prices for flights from Stewart to Ontario and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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Cheap flights from New Windsor to Ontario from C$ 154

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 25/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Stewart to Ontario

Cheapest flights from Stewart to OntarioExplore 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 14 September 2026.

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 14 September 2026.

Best flights from Stewart to OntarioDiscover carefully curated flight deals from Stewart to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 14 September 2026.

Discover carefully curated flight deals from Stewart to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 14 September 2026.

Last-minute flights from Stewart to OntarioDiscover last-minute flight deals from Stewart to Ontario. Data last updated 14 September 2026 and is based on user searches.

Discover last-minute flight deals from Stewart to Ontario. Data last updated 14 September 2026 and is based on user searches.

One-way flights from Stewart to OntarioSearch for one-way flight options from Stewart to Ontario. Find affordable one-way fares based on user searches. Data last updated 14 September 2026.

Search for one-way flight options from Stewart to Ontario. Find affordable one-way fares based on user searches. Data last updated 14 September 2026.

Find flight deals from Stewart to Ontario

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Use the filters below to find and compare flights from New Windsor to Ontario that are best for you.

Best time to book a flight from Stewart to Ontario

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Cheapflights Insights

Related info for your journey

What airport do you fly from for flights from New Windsor to Ontario?

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

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

How can I find direct flights from Stewart to Ontario?

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

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 Stewart to Ontario

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

Complete your trip

Complete your trip to Ontario by adding a car rental and/or hotel reservation to your travel itinerary.

Direct flights to Canada

Book a non-stop flight to one of these other cities located in Canada.

Search flights from Stewart to Ontario by cabin class

Find flights from Stewart to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Stewart and Ontario flights

Browse other Stewart and Ontario flight options. Last updated on 14 September 2026.

Popular flight searches

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Stewart to Ontario flights

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

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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 14 September 2026.

Best flights from Stewart to Ontario
Discover carefully curated flight deals from Stewart to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 14 September 2026.

Last-minute flights from Stewart to Ontario
Discover last-minute flight deals from Stewart to Ontario. Data last updated 14 September 2026 and is based on user searches.

One-way flights from Stewart to Ontario
Search for one-way flight options from Stewart to Ontario. Find affordable one-way fares based on user searches. Data last updated 14 September 2026.