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Cheap flights from Canada to Ontario from C$ 212

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 26/8. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — ONT
17 Jun — 24 Jun1
1 adult

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 12 June 2025.

Round-trip from

C$ 360

One-way from

C$ 212

Popular in

December

Cheapest in

September

Average price

C$ 447
United Airlines
  • United Airlines
  • 20/6-24/6
  • 2 total stops
  • 31h 27m total
  • Canada to Ontario
Search Deals
26/8
  • 26/8
  • 2 total stops
  • 24h 48m total
  • Canada to Ontario
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (C$ 65 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 23 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
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Find flight deals from Canada to Ontario

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 12 June 2025.

Fri 20/66:15 a.m.YYC - ONT
1 stop15h 49mUnited Airlines
Tue 24/65:10 a.m.ONT - YYC
1 stop15h 38mUnited Airlines
Deal found 10/6C$ 360
Fri 11/71:45 p.m.YVR - ONT
1 stop7h 07mMultiple Airlines
Mon 14/79:41 p.m.ONT - YVR
1 stop14h 59mMultiple Airlines
Deal found 11/6C$ 366
Tue 24/67:30 p.m.YVR - ONT
1 stop4h 43mAlaska Airlines
Wed 25/66:58 p.m.ONT - YVR
1 stop5h 00mAlaska Airlines
Deal found 12/6C$ 384
Thu 19/611:00 a.m.YVR - ONT
1 stop10h 04mUnited Airlines
Sun 29/66:28 p.m.ONT - YVR
1 stop15h 23mUnited Airlines
Deal found 9/6C$ 390
Thu 19/62:50 p.m.YYC - ONT
2 stops9h 56mDelta
Mon 23/61:15 p.m.ONT - YYC
1 stop8h 45mDelta
Deal found 11/6C$ 420
Thu 19/61:25 p.m.YVR - ONT
2 stops10h 21mDelta
Wed 25/61:15 p.m.ONT - YVR
1 stop9h 15mDelta
Deal found 9/6C$ 422
Wed 16/73:40 p.m.YYC - ONT
1 stop7h 12mMultiple Airlines
Fri 25/79:41 p.m.ONT - YYC
1 stop12h 32mMultiple Airlines
Deal found 9/6C$ 444
Thu 11/99:45 a.m.YYZ - ONT
1 stop14h 09mMultiple Airlines
Mon 15/96:00 a.m.ONT - YYZ
2 stops13h 52mMultiple Airlines
Deal found 10/6C$ 454
Wed 18/67:00 p.m.YYC - ONT
1 stop6h 13mAlaska Airlines
Wed 25/64:00 p.m.ONT - YYC
1 stop6h 50mAlaska Airlines
Deal found 10/6C$ 459
Fri 20/62:20 p.m.YVR - ONT
1 stop6h 44mAir Canada
Sat 21/66:41 p.m.ONT - YVR
1 stop4h 41mAir Canada
Deal found 10/6C$ 463
Thu 19/66:45 a.m.YYC - ONT
2 stops12h 27mAmerican Airlines
Mon 23/611:59 p.m.ONT - YYC
1 stop20h 58mAmerican Airlines
Deal found 11/6C$ 472
Thu 7/811:55 p.m.YVR - ONT
1 stop10h 03mAmerican Airlines
Mon 11/82:57 p.m.ONT - YVR
1 stop8h 03mAmerican Airlines
Deal found 12/6C$ 476

Cheapflights Fare Finder

Customize your flight search to find flights from Canada 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 629,999 searches. Data last updated 12 June 2025.
Use the filters below to find and compare flights from Canada to Ontario that are best for you.

Fly from

Canada

Fly to

Ontario

Route

Depart

Return

Price

CalgaryOntario

YYC - ONT

YYCONT

Calgary

Fri 20/6

6:15 a.m.-9:04 p.m.

1 stop15h 49m

Ontario

Tue 24/6

5:10 a.m.-9:48 p.m.

1 stop15h 38m

C$ 360

VancouverOntario

YVR - ONT

YVRONT

Vancouver Intl

Fri 11/7

1:45 p.m.-8:52 p.m.

1 stop7h 07m

Ontario

Mon 14/7

9:41 p.m.-12:40 p.m.

1 stop14h 59m

C$ 366

VancouverOntario

YVR - ONT

YVRONT

Vancouver Intl

Tue 24/6

7:30 p.m.-12:13 a.m.

1 stop4h 43m

Ontario

Wed 25/6

6:58 p.m.-11:58 p.m.

1 stop5h 00m

C$ 384

VancouverOntario

YVR - ONT

YVRONT

Vancouver Intl

Tue 24/6

2:20 p.m.-9:04 p.m.

1 stop6h 44m

Ontario

Wed 25/6

6:00 a.m.-1:12 p.m.

1 stop7h 12m

C$ 390

CalgaryOntario

YYC - ONT

YYCONT

Calgary

Thu 19/6

7:55 a.m.-4:28 p.m.

1 stop9h 33m

Ontario

Mon 23/6

1:15 p.m.-11:00 p.m.

1 stop8h 45m

C$ 420

CalgaryOntario

YYC - ONT

YYCONT

Calgary

Wed 16/7

3:40 p.m.-9:52 p.m.

1 stop7h 12m

Ontario

Fri 25/7

9:41 p.m.-11:13 a.m.

1 stop12h 32m

C$ 444

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Thu 11/9

9:45 a.m.-8:54 p.m.

1 stop14h 09m

Ontario

Mon 15/9

6:00 a.m.-10:52 p.m.

2 stops13h 52m

C$ 454

CalgaryOntario

YYC - ONT

YYCONT

Calgary

Wed 18/6

7:00 p.m.-12:13 a.m.

1 stop6h 13m

Ontario

Wed 25/6

4:00 p.m.-11:50 p.m.

1 stop6h 50m

C$ 459

CalgaryOntario

YYC - ONT

YYCONT

Calgary

Thu 19/6

6:45 a.m.-6:12 p.m.

2 stops12h 27m

Ontario

Mon 23/6

11:59 p.m.-9:57 p.m.

1 stop20h 58m

C$ 472

VancouverOntario

YVR - ONT

YVRONT

Vancouver Intl

Thu 7/8

11:55 p.m.-9:58 a.m.

1 stop10h 03m

Ontario

Mon 11/8

2:57 p.m.-11:00 p.m.

1 stop8h 03m

C$ 476

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/6

Showing 1-10 of 60 results
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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, September is the cheapest month in which you can book a flight from Canada to Ontario (average of C$ 290). Flying from Canada to Ontario in December is currently the most expensive (average of C$ 461). 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?

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 12 June 2025.

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

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

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.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

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).

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated 12 June 2025.
See what other customers who have flown with Alaska Airlines, Porter Airlines and Delta from Canada to Ontario have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Porter Airlines
8.0
Very good
288 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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?

    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.

  • What are the cheapest airlines to fly from Canada to Ontario one-way?

    For one-way options, check prices for United Airlines. According to our data, you can fly for as low as C$ 216. Users have also found prices from C$ 224 and C$ 253 on Alaska Airlines and Delta, respectively.

  • What are the most popular routes from Canada to Ontario?

    While some choose either Toronto Pearson Intl - Ontario or Montreal Pierre Elliott Trudeau Intl - 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, September is the cheapest month in which you can book a flight from Canada to Ontario (average of C$ 290). Flying from Canada to Ontario in December is currently the most expensive (average of C$ 461). 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 Canada to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
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Top 7 airlines flying from Canada to Ontario

Discover the top 7 airlines that operate flights from Canada to Ontario. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 12 June 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 185AverageC$ 466FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Porter AirlinesCheapestC$ 272AverageC$ 349FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air CanadaCheapestC$ 352AverageC$ 538FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 364AverageC$ 676FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapestC$ 369AverageC$ 431FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapestC$ 388AverageC$ 709FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Alaska AirlinesCheapestC$ 467AverageC$ 585FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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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