How long is the flight from Canada to Ontario?

Alaska Airlines, United Airlines, and Delta can get you from Canada to Ontario in just under 5h 37m. Your travel time can differ by up to 4h 07m. The distance from Canada to Ontario is about 1743 km. Both multi-stop and direct flights can be found to your destination and back.

In terms of precipitation, rainfall in Ontario ranges from 3.0 - 86.0 mm per month. February is typically the wettest month, when rainfall can reach 86.0 mm. June is typically the driest time to visit Ontario when rainfall is around 3.0 mm.

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 26.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 12.0 C).

What are the most popular routes from Canada to Ontario?

While some choose either Toronto Pearson Intl - Ontario or Calgary - Ontario, Vancouver Intl - Ontario is the most popular route from Canada to Ontario.

What are the most popular airlines that fly from Canada to Ontario?

Consider Air Canada, United Airlines or Delta when booking your flight. These represent the most popular airlines when flying from Canada to Ontario.

What airport do you fly into for flights to Ontario from Canada?

Ontario (ONT) is the airport you will fly into if you book a flight from Canada to Ontario. It is only a 4.9 km journey from Ontario (ONT) to Ontario’s city centre.

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

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

How can I find direct flights from Canada to Ontario?

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

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

Yes. Cheapflights offers flight deals from Canada 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$ 161+ Cheap Flights from Canada to Ontario

Cheap flight deals from Canada to Ontario

Round-trip from	C$ 342
One-way from	C$ 161
Popular in	December
Cheapest in	May
Average price	C$ 395

13/11-20/11
2 total stops
23h 03m total
Canada to Ontario

Search Deals

6/11
1 total stop
16h 40m total
Canada to Ontario

Search Deals

Highest demand for flights based on searches. 9% potential increase in price (C$ 59 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease (C$ 24 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in October 2025

Search Deals

Find flight deals from Canada to Ontario

Enter your travel dates to find the best prices.

Cheapest flights from Canada to Ontario
Explore the most affordable flight options available from Canada to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 October 2025.

Sat 15/113:00 p.m.YVR - ONT

1 stop7h 51mUnited Airlines

Wed 19/111:45 p.m.ONT - YVR

1 stop5h 00mUnited Airlines

Deal found 19/10C$ 366

Sat 15/117:25 a.m.YVR - ONT

2 stops8h 44mDelta

Sat 22/111:20 p.m.ONT - YVR

1 stop9h 17mDelta

Deal found 19/10C$ 374

Thu 4/129:35 a.m.YYZ - ONT

1 stop14h 42mMultiple Airlines

Thu 11/126:15 a.m.ONT - YYZ

1 stop10h 40mMultiple Airlines

Deal found 20/10C$ 376

Fri 5/129:35 a.m.YYZ - ONT

1 stop14h 42mMultiple Airlines

Thu 11/126:15 a.m.ONT - YYZ

1 stop10h 40mMultiple Airlines

Deal found 19/10C$ 383

Fri 5/126:15 a.m.YVR - ONT

1 stop4h 58mDelta

Mon 8/1212:40 p.m.ONT - YVR

1 stop8h 24mDelta

Deal found 20/10C$ 422

Wed 3/126:40 a.m.YEG - ONT

2 stops15h 37mMultiple Airlines

Wed 10/126:15 a.m.ONT - YEG

1 stop16h 32mMultiple Airlines

Deal found 19/10C$ 423

Sun 14/1212:35 p.m.YVR - ONT

1 stop8h 07mUnited Airlines

Wed 17/125:05 a.m.ONT - YVR

1 stop8h 53mUnited Airlines

Deal found 19/10C$ 436

Mon 10/117:35 p.m.YVR - ONT

1 stop15h 30mAlaska Airlines

Fri 14/116:11 p.m.ONT - YVR

1 stop24h 34mAlaska Airlines

Deal found 18/10C$ 440

Thu 4/126:40 a.m.YEG - ONT

2 stops15h 37mMultiple Airlines

Thu 11/126:15 a.m.ONT - YEG

1 stop16h 32mMultiple Airlines

Deal found 19/10C$ 442

Mon 10/117:55 p.m.YYZ - ONT

1 stop27h 47mMultiple Airlines

Tue 18/118:00 a.m.ONT - YYZ

1 stop12h 00mMultiple Airlines

Deal found 18/10C$ 443

Wed 31/128:45 a.m.YVR - ONT

1 stop12h 22mAir Canada

Tue 6/16:00 a.m.ONT - YVR

1 stop7h 35mAir Canada

Deal found 18/10C$ 447

Fri 28/119:45 a.m.YYZ - ONT

1 stop14h 21mMultiple Airlines

Wed 10/126:15 a.m.ONT - YYZ

1 stop10h 40mMultiple Airlines

Deal found 18/10C$ 449

Best flights from Canada to Ontario
Discover carefully curated flight deals from Canada to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 20 October 2025.

Wed 21/11:20 p.m.YVR - ONT

1 stop7h 16mAlaska Airlines

Tue 27/14:03 p.m.ONT - YVR

1 stop4h 52mAlaska Airlines

Deal found 19/10C$ 366

Wed 12/117:00 a.m.YVR - ONT

1 stop5h 37mUnited Airlines

Wed 19/116:00 a.m.ONT - YVR

1 stop7h 39mUnited Airlines

Deal found 17/10C$ 374

Sat 15/117:25 a.m.YVR - ONT

1 stop9h 44mDelta

Sat 22/111:20 p.m.ONT - YVR

1 stop9h 17mDelta

Deal found 18/10C$ 374

Sun 16/119:00 a.m.YEG - ONT

2 stops37h 58mMultiple Airlines

Sun 23/116:01 p.m.ONT - YEG

1 stop21h 22mMultiple Airlines

Deal found 19/10C$ 544

Sat 10/17:00 a.m.YVR - ONT

1 stop5h 14mUnited Airlines

Sat 17/15:05 a.m.ONT - YVR

1 stop8h 53mUnited Airlines

Deal found 20/10C$ 374

Sat 10/17:55 a.m.YVR - ONT

2 stops9h 10mAlaska Airlines

Sat 17/14:03 p.m.ONT - YVR

1 stop4h 52mAlaska Airlines

Deal found 20/10C$ 380

Sat 21/28:30 a.m.YVR - ONT

1 stop12h 20mUnited Airlines

Sat 28/26:00 a.m.ONT - YVR

1 stop15h 18mUnited Airlines

Deal found 18/10C$ 374

Tue 2/124:00 p.m.YUL - ONT

2 stops19h 53mAmerican Airlines

Tue 9/126:17 a.m.ONT - YUL

2 stops13h 23mAmerican Airlines

Deal found 18/10C$ 831

Fri 5/126:15 a.m.YVR - ONT

1 stop4h 58mDelta

Mon 8/1212:40 p.m.ONT - YVR

1 stop8h 24mDelta

Deal found 20/10C$ 422

Wed 11/26:00 a.m.YVR - ONT

2 stops7h 06mAlaska Airlines

Wed 18/26:55 p.m.ONT - YVR

1 stop5h 15mAlaska Airlines

Deal found 18/10C$ 415

Sat 15/115:30 a.m.YXX - ONT

2 stops35h 39mWestJet

Sat 22/116:45 a.m.ONT - YXX

2 stops17h 25mWestJet

Deal found 18/10C$ 945

Tue 25/116:15 a.m.YYC - ONT

1 stop7h 18mUnited Airlines

Wed 3/126:00 a.m.ONT - YYC

1 stop5h 26mUnited Airlines

Deal found 17/10C$ 533

Wed 21/112:13 p.m.YEG - ONT

2 stops9h 02mAlaska Airlines

Tue 27/17:56 p.m.ONT - YEG

2 stops14h 27mAlaska Airlines

Deal found 19/10C$ 586

Thu 22/13:30 p.m.YYC - ONT

1 stop8h 23mUnited Airlines

Mon 26/15:05 a.m.ONT - YYC

1 stop8h 15mUnited Airlines

Deal found 18/10C$ 533

Tue 18/116:15 a.m.YYC - ONT

1 stop7h 16mUnited Airlines

Tue 25/116:00 a.m.ONT - YYC

1 stop5h 26mUnited Airlines

Deal found 19/10C$ 534

Mon 2/212:13 p.m.YEG - ONT

2 stops9h 02mAlaska Airlines

Mon 9/25:59 p.m.ONT - YEG

2 stops16h 24mAlaska Airlines

Deal found 19/10C$ 601

Fri 9/14:10 p.m.YWG - ONT

2 stops9h 46mMultiple Airlines

Wed 14/111:53 a.m.ONT - YWG

2 stops10h 46mMultiple Airlines

Deal found 19/10C$ 807

Fri 9/13:30 p.m.YYC - ONT

1 stop8h 23mUnited Airlines

Fri 16/15:05 a.m.ONT - YYC

1 stop15h 48mUnited Airlines

Deal found 20/10C$ 534

Fri 20/27:45 p.m.YUL - ONT

2 stops18h 53mDelta

Tue 24/210:30 p.m.ONT - YUL

1 stop10h 14mDelta

Deal found 18/10C$ 788

Wed 3/126:00 p.m.YEG - ONT

2 stops27h 03mAlaska Airlines

Wed 10/127:10 a.m.ONT - YEG

2 stops9h 00mAlaska Airlines

Deal found 19/10C$ 610

Thu 8/13:30 p.m.YYC - ONT

1 stop8h 23mUnited Airlines

Sun 11/15:05 a.m.ONT - YYC

1 stop15h 48mUnited Airlines

Deal found 20/10C$ 534

Sun 7/125:30 a.m.YXX - ONT

2 stops35h 37mWestJet

Fri 12/126:40 a.m.ONT - YXX

2 stops17h 30mWestJet

Deal found 18/10C$ 950

Thu 11/1212:40 p.m.YUL - ONT

1 stop13h 24mDelta

Mon 15/126:00 a.m.ONT - YUL

2 stops14h 32mDelta

Deal found 18/10C$ 819

Tue 3/212:13 p.m.YEG - ONT

2 stops9h 02mAlaska Airlines

Thu 5/25:59 p.m.ONT - YEG

2 stops16h 24mAlaska Airlines

Deal found 19/10C$ 615

Mon 29/126:05 a.m.YYJ - ONT

2 stops10h 02mMultiple Airlines

Tue 6/16:00 a.m.ONT - YYJ

1 stop7h 12mMultiple Airlines

Deal found 20/10C$ 931

Wed 18/23:30 p.m.YYC - ONT

1 stop8h 27mUnited Airlines

Wed 25/26:00 a.m.ONT - YYC

1 stop5h 26mUnited Airlines

Deal found 19/10C$ 534

Thu 11/124:45 p.m.YYZ - ONT

1 stop9h 44mAlaska Airlines

Fri 12/127:10 a.m.ONT - YYZ

2 stops29h 25mAlaska Airlines

Deal found 20/10C$ 632

Sun 16/115:30 a.m.YXX - ONT

2 stops35h 39mWestJet

Sun 23/116:45 a.m.ONT - YXX

2 stops17h 25mWestJet

Deal found 19/10C$ 1,025

Tue 14/411:45 a.m.YQR - ONT

2 stops12h 59mDelta

Thu 16/47:00 a.m.ONT - YQR

2 stops15h 16mDelta

Deal found 18/10C$ 851

Fri 5/122:13 p.m.YYC - ONT

1 stop7h 29mUnited Airlines

Tue 9/126:00 a.m.ONT - YYC

1 stop5h 26mUnited Airlines

Deal found 19/10C$ 534

Last-minute flights from Canada to Ontario
Discover last-minute flight deals from Canada to Ontario. Data last updated 20 October 2025 and is based on user searches.

Mon 10/117:35 p.m.YVR - ONT

1 stop15h 30mAlaska Airlines

Fri 14/116:11 p.m.ONT - YVR

1 stop24h 34mAlaska Airlines

Deal found 18/10C$ 440

Mon 10/117:55 p.m.YYZ - ONT

1 stop27h 47mMultiple Airlines

Tue 18/118:00 a.m.ONT - YYZ

1 stop12h 00mMultiple Airlines

Deal found 18/10C$ 443

Wed 12/115:45 p.m.YVR - ONT

2 stops6h 11mAlaska Airlines

Wed 19/116:00 a.m.ONT - YVR

1 stop6h 30mAlaska Airlines

Deal found 19/10C$ 481

Fri 14/115:45 p.m.YVR - ONT

1 stop5h 47mAlaska Airlines

Sat 15/116:00 a.m.ONT - YVR

1 stop18h 10mAlaska Airlines

Deal found 20/10C$ 478

Sat 15/113:00 p.m.YVR - ONT

1 stop7h 51mUnited Airlines

Wed 19/111:45 p.m.ONT - YVR

1 stop5h 00mUnited Airlines

Deal found 19/10C$ 366

Sat 15/117:25 a.m.YVR - ONT

2 stops8h 44mDelta

Sat 22/111:20 p.m.ONT - YVR

1 stop9h 17mDelta

Deal found 19/10C$ 374

Sat 15/115:35 p.m.YVR - ONT

2 stops6h 21mMultiple Airlines

Sat 22/116:01 p.m.ONT - YVR

1 stop6h 09mMultiple Airlines

Deal found 18/10C$ 458

Sat 15/116:00 a.m.YVR - ONT

1 stop5h 05mAlaska Airlines

Thu 20/1111:59 a.m.ONT - YVR

1 stop4h 46mAlaska Airlines

Deal found 19/10C$ 467

Mon 17/115:45 p.m.YVR - ONT

1 stop5h 47mAlaska Airlines

Wed 19/116:00 a.m.ONT - YVR

1 stop6h 30mAlaska Airlines

Deal found 19/10C$ 451

Sat 22/116:10 p.m.YVR - ONT

1 stop4h 41mAir Canada

Sat 29/119:35 p.m.ONT - YVR

1 stop16h 23mAir Canada

Deal found 20/10C$ 447

Sun 23/117:00 a.m.YVR - ONT

1 stop5h 37mUnited Airlines

Wed 26/115:05 a.m.ONT - YVR

1 stop12h 58mUnited Airlines

Deal found 18/10C$ 436

Fri 28/119:45 a.m.YYZ - ONT

1 stop14h 21mMultiple Airlines

Wed 10/126:15 a.m.ONT - YYZ

1 stop10h 40mMultiple Airlines

Deal found 18/10C$ 449

One-way flights from Canada to Ontario
Search for one-way flight options from Canada to Ontario. Find affordable one-way fares based on user searches. Data last updated 20 October 2025.

Thu 6/117:00 a.m.YVR - ONT

1 stop16h 40mMultiple Airlines

Deal found 18/10C$ 161

Thu 4/124:15 p.m.YQR - ONT

1 stop7h 02mMultiple Airlines

Deal found 20/10C$ 181

Fri 12/123:40 p.m.YVR - ONT

1 stop5h 37mMultiple Airlines

Deal found 19/10C$ 182

Wed 3/129:30 a.m.YVR - ONT

1 stop11h 47mMultiple Airlines

Deal found 19/10C$ 196

Wed 21/19:40 a.m.YYZ - ONT

3 stops14h 37mMultiple Airlines

Deal found 18/10C$ 200

Wed 28/17:55 a.m.YVR - ONT

1 stop7h 13mAlaska Airlines

Deal found 18/10C$ 200

Wed 18/25:45 p.m.YVR - ONT

1 stop4h 52mAlaska Airlines

Deal found 20/10C$ 202

Tue 9/129:35 a.m.YYZ - ONT

1 stop14h 42mMultiple Airlines

Deal found 18/10C$ 206

Tue 16/129:35 a.m.YYZ - ONT

1 stop14h 42mMultiple Airlines

Deal found 18/10C$ 207

Wed 17/124:15 p.m.YYC - ONT

1 stop6h 02mMultiple Airlines

Deal found 17/10C$ 207

Thu 4/121:25 p.m.YYC - ONT

1 stop25h 00mMultiple Airlines

Deal found 19/10C$ 209

Sat 14/211:45 a.m.YVR - ONT

2 stops9h 32mMultiple Airlines

Deal found 18/10C$ 209

Fly from

Fly to

Route

Depart

Return

Price

VancouverOntario

YVR - ONT

YVRONT

Vancouver Intl

Wed 21/1

1:20 p.m.-8:36 p.m.

1 stop7h 16m

Ontario

Tue 27/1

4:03 p.m.-8:55 p.m.

1 stop4h 52m

C$ 366

VancouverOntario

YVR - ONT

YVRONT

Vancouver Intl

Wed 12/11

7:00 a.m.-12:37 p.m.

1 stop5h 37m

Ontario

Wed 19/11

6:00 a.m.-1:39 p.m.

1 stop7h 39m

C$ 374

VancouverOntario

YVR - ONT

YVRONT

Vancouver Intl

Sat 15/11

7:25 a.m.-5:09 p.m.

1 stop9h 44m

Ontario

Sat 22/11

1:20 p.m.-10:37 p.m.

1 stop9h 17m

C$ 374

VancouverOntario

YVR - ONT

YVRONT

Vancouver Intl

Sat 10/1

7:00 a.m.-12:14 p.m.

1 stop5h 14m

Ontario

Sat 17/1

5:05 a.m.-1:58 p.m.

1 stop8h 53m

C$ 374

VancouverOntario

YVR - ONT

YVRONT

Vancouver Intl

Sat 21/2

8:30 a.m.-8:50 p.m.

1 stop12h 20m

Ontario

Sat 28/2

6:00 a.m.-9:18 p.m.

1 stop15h 18m

C$ 374

VancouverOntario

YVR - ONT

YVRONT

Vancouver Intl

Sat 10/1

7:55 a.m.-5:05 p.m.

2 stops9h 10m

Ontario

Sat 17/1

4:03 p.m.-8:55 p.m.

1 stop4h 52m

C$ 380

VancouverOntario

YVR - ONT

YVRONT

Vancouver Intl

Wed 11/2

6:00 a.m.-1:06 p.m.

2 stops7h 06m

Ontario

Wed 18/2

6:55 p.m.-12:10 a.m.

1 stop5h 15m

C$ 415

VancouverOntario

YVR - ONT

YVRONT

Vancouver Intl

Fri 5/12

6:15 a.m.-11:13 a.m.

1 stop4h 58m

Ontario

Mon 8/12

12:40 p.m.-9:04 p.m.

1 stop8h 24m

C$ 422

CalgaryOntario

YYC - ONT

YYCONT

Calgary

Tue 25/11

6:15 a.m.-12:33 p.m.

1 stop7h 18m

Ontario

Wed 3/12

6:00 a.m.-12:26 p.m.

1 stop5h 26m

C$ 533

CalgaryOntario

YYC - ONT

YYCONT

Calgary

Thu 22/1

3:30 p.m.-10:53 p.m.

1 stop8h 23m

Ontario

Mon 26/1

5:05 a.m.-2:20 p.m.

1 stop8h 15m

C$ 533

Flights are sorted by cheapest round-trip flights first.

Deals found on 17/10

Showing 1-10 of 60 results

...

Best time to book a flight from Canada to Ontario

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

What is the cheapest month to book a flight from Canada to Ontario?

Currently, April is the cheapest month in which you can book a flight from Canada to Ontario (average of C$ 101). Flying from Canada to Ontario in December is currently the most expensive (average of C$ 167). 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.

What is the cheapest time of day to fly from CA to ONT?

A simple way to save on the total cost of your ticket is to fly from Canada to Ontario in the morning. If you’re flexible enough to do this you can expect to save up to 26% on your trip compared to booking a flight in the afternoon.

What is the cheapest day to fly from Canada to Ontario?

Travelers seeking maximum savings on their Canada to Ontario flight should consider departing on Sunday evenings when fares are most often at their lowest. Wednesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Ontario

Get a feel of what it's like to fly with Porter Airlines,Delta, andUnited Airlines from Canada to Ontario by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Porter Airlines

8.0

Very good

381 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.

Porter Airlines

8.0

Very good

381 reviews

Porter Airlines

8.0

Very good

381 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Anonymous,Sep 2025

YYZ - OPO

Delta

7.9

Good

7,978 reviews

Porter Airlines

8.0

Very good

381 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Anonymous,Sep 2025

YYZ - OPO

United Airlines

7.4

Good

8,991 reviews

Porter Airlines

8.0

Very good

381 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Anonymous,Sep 2025

YYZ - OPO

American Airlines

7.2

Good

11,023 reviews

Porter Airlines

8.0

Very good

381 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Anonymous,Sep 2025

YYZ - OPO

Air Canada

7.1

Good

10,337 reviews

Porter Airlines

8.0

Very good

381 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Anonymous,Sep 2025

YYZ - OPO

Related info for your journey

What airport do you fly into for flights to Ontario from Canada?
Ontario (ONT) is the airport you will fly into if you book a flight from Canada to Ontario. It is only a 4.9 km journey from Ontario (ONT) to Ontario’s city centre.
How long is the flight from Canada to Ontario?
Alaska Airlines, United Airlines, and Delta can get you from Canada to Ontario in just under 5h 37m. Your travel time can differ by up to 4h 07m. The distance from Canada to Ontario is about 1743 km. Both multi-stop and direct flights can be found to your destination and back.
What are the most popular routes from Canada to Ontario?
While some choose either Toronto Pearson Intl - Ontario or Calgary - Ontario, Vancouver Intl - Ontario is the most popular route from Canada to Ontario.
Can I find deals for flights from Canada to Ontario that include hotel bookings?
Yes. In addition to deals on Canada to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Canada to Ontario?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Canada to Ontario.
Can I find deals for business class flights from Canada to Ontario?
Yes. Cheapflights offers flight deals from Canada 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 Canada to Ontario?
Currently, April is the cheapest month in which you can book a flight from Canada to Ontario (average of C$ 101). Flying from Canada to Ontario in December is currently the most expensive (average of C$ 167). 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

Alternative routes for Canada to Ontario

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Complete your trip

Ontario car rentals

Los Angeles Airport car rentals

Ontario Airport car rentals

Burbank Bob Hope Airport car rentals

Long Beach Municipal Airport car rentals

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Top 5 airlines flying from Canada to Ontario

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	CheapestC$ 134	AverageC$ 750	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
Porter Airlines	CheapestC$ 279	AverageC$ 299	FlexibilityNo cancel fee	On-time52%	Search Porter Airlines flights
Delta	CheapestC$ 372	AverageC$ 502	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
United Airlines	CheapestC$ 376	AverageC$ 752	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Air Canada	CheapestC$ 378	AverageC$ 602	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights

Fly with Cheapflights

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

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Ontario from Canada.

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

Need flexible booking options for your flight to Ontario from Canada? 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 Canada to Ontario become cheaper?

Yes, Cheapflights offers price alerts on Canada to Ontario flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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Cheap flights from Canada to Ontario from C$ 161

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 6/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Canada to Ontario

Keep the following information in mind while searching for Canada to Ontario flight deals. Data was last updated 20 October 2025.

Round-trip from

One-way from

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Find flight deals from Canada to Ontario

Cheapest flights from Canada to OntarioExplore the most affordable flight options available from Canada to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 October 2025.

Explore the most affordable flight options available from Canada to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 October 2025.

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

Best time to book a flight from Canada to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Canada with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Canada to Ontario

What is the cheapest month to book a flight from Canada to Ontario?

What is the cheapest time of day to fly from CA to ONT?

Find hourly flight availability from Canada to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 20 October 2025.

What is the cheapest day to fly from Canada to Ontario?

Use this chart to determine the cheapest time to fly round-trip from Canada to Ontario. Price data was last updated on 16 December 2024.

Reviews of airlines servicing Ontario

Get a feel of what it's like to fly with Porter Airlines,Delta, andUnited Airlines from Canada to Ontario by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Canada 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 into for flights to Ontario from Canada?

How long is the flight from Canada to Ontario?

What are the most popular routes from Canada to Ontario?

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

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

What is the cheapest month to book a flight from Canada to Ontario?

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Alternative routes for Canada to Ontario

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

Top 5 airlines flying from Canada to Ontario

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

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Cheapest flights from Canada to Ontario
Explore the most affordable flight options available from Canada to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 October 2025.