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C$ 304+ Cheap flights to Ontario

— ONT
30 Oct — 6 Nov1
1 adult
1 adult, Economy, 0 bags

Flights to Ontario in 2026

Enter your travel dates to find the best prices.

Cheapest flights to Ontario

Mon 16/111:00 p.m. -
2 stops37h 51m
Mon 23/112:01 p.m. -
1 stop13h 49m
Deal found 29/9C$ 630
Fri 30/109:50 a.m. -
1 stop12h 38m
Mon 2/112:23 p.m. -
2 stops28h 16m
Deal found 26/9C$ 653
Thu 5/119:50 a.m. -
1 stop12h 38m
Thu 12/1112:01 p.m. -
2 stops13h 59m
Deal found 26/9C$ 668
Thu 12/119:50 a.m. -
1 stop12h 38m
Thu 19/1112:01 p.m. -
2 stops13h 59m
Deal found 28/9C$ 675
Fri 6/111:40 p.m. -
2 stops24h 02m
Mon 9/118:35 p.m. -
2 stops22h 20m
Deal found 28/9C$ 684
Sun 1/119:35 a.m. -
2 stops12h 53m
Sun 8/1112:01 p.m. -
2 stops13h 59m
Deal found 26/9C$ 685
Sun 1/116:30 a.m. -
2 stops31h 46m
Sat 7/1111:52 a.m. -
2 stops22h 48m
Deal found 29/9C$ 689
Wed 21/109:45 a.m. -
2 stops33h 45m
Tue 27/105:07 p.m. -
2 stops25h 32m
Deal found 27/9C$ 694
Tue 27/109:50 a.m. -
2 stops26h 50m
Tue 3/115:07 p.m. -
2 stops25h 32m
Deal found 26/9C$ 695
Mon 26/101:00 p.m. -
2 stops37h 51m
Mon 2/118:35 p.m. -
1 stop7h 15m
Deal found 28/9C$ 698

Find flight deals to Ontario

Round-trip from

C$ 444

One-way from

C$ 304

Popular in

August

Cheapest in

January

Average price

C$ 550
Air Canada
  • Air Canada
  • 14/10-18/10
  • 2 total stops
  • 22h 24m total
  • Toronto to Los Angeles
Search Deals
12/11-31/12
  • 12/11-31/12
  • 2 total stops
  • 14h 58m total
  • Toronto to Ontario
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (C$ 55 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2026
Search Deals

Cheapflights Fare Finder

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

Fly from

Route

Depart

Return

Price

Cheapest round-trip

TorontoOntario

YYZ Toronto Pearson Intl - ONT Ontario

YYZONT

Toronto Pearson Intl

Tue 24/11

5:15 p.m.-11:31 p.m.

1 stop9h 16m

Ontario

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 409

TorontoOntario

YYZ Toronto Pearson Intl - ONT Ontario

YYZONT

Toronto Pearson Intl

Tue 17/11

6:30 a.m.-8:15 p.m.

1 stop16h 45m

Ontario

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 414

TorontoOntario

YYZ Toronto Pearson Intl - ONT Ontario

YYZONT

Toronto Pearson Intl

Sat 24/10

5:16 p.m.-10:51 p.m.

1 stop8h 35m

Ontario

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 414

TorontoOntario

YYZ Toronto Pearson Intl - ONT Ontario

YYZONT

Toronto Pearson Intl

Sat 7/11

6:10 a.m.-9:40 p.m.

1 stop18h 30m

Ontario

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 414
Quickest round-trip

TorontoOntario

YYZ Toronto Pearson Intl - ONT Ontario

YYZONT

Toronto Pearson Intl

Thu 15/10

4:18 p.m.-8:58 p.m.

1 stop7h 40m

Ontario

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 414

TorontoOntario

YYZ Toronto Pearson Intl - ONT Ontario

YYZONT

Toronto Pearson Intl

Wed 14/10

3:53 p.m.-9:59 p.m.

1 stop9h 06m

Ontario

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 414

TorontoOntario

YYZ Toronto Pearson Intl - ONT Ontario

YYZONT

Toronto Pearson Intl

Tue 27/10

6:30 a.m.-12:29 p.m.

1 stop8h 59m

Ontario

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 414

TorontoOntario

YYZ Toronto Pearson Intl - ONT Ontario

YYZONT

Toronto Pearson Intl

Tue 20/10

5:15 p.m.-10:49 p.m.

1 stop8h 34m

Ontario

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 414

TorontoOntario

YYZ Toronto Pearson Intl - ONT Ontario

YYZONT

Toronto Pearson Intl

Fri 16/10

5:16 p.m.-10:51 p.m.

1 stop8h 35m

Ontario

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 414

TorontoOntario

YYZ Toronto Pearson Intl - ONT Ontario

YYZONT

Toronto Pearson Intl

Wed 25/11

4:10 p.m.-8:51 p.m.

1 stop7h 41m

Ontario

Sat 28/11

5:00 a.m.-3:02 p.m.

1 stop7h 02m

C$ 745

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/9

Showing 1-10 of 21 resultsSorted by cheapest first
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Best time to book a flight to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight to Ontario

How long is the flight to Ontario?

On average, a flight from Toronto to Ontario takes 10 hours 15 minutes. Flights to Ontario from other popular cities in Canada will vary in length. Below are a few examples of popular routes and their flight times.

What are the most popular airlines that fly to Ontario?

The most popular airlines flying from Toronto to Ontario are United Airlines, Air Canada and American Airlines.

United Airlines
United Airlines
From C$ 220
Air Canada
Air Canada
From C$ 201
Alaska Airlines
Alaska Airlines
From C$ 463
American Airlines
American Airlines
From C$ 574

What are the cheapest airlines that fly to Ontario?

The cheapest airlines flying from Toronto to Ontario are Air Canada, United Airlines and American Airlines.

Rainfall in Ontario 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

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 a feel of what it's like to fly with United Airlines and Air Canada to the United States by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
10,259 reviews
Check prices

Boarding

7.7

Overall

7.4

Comfort

7.3

Food

6.7

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
United Airlines
7.4
Good
10,259 reviews
United Airlines
7.4
Good
10,259 reviews
Check prices

Boarding

7.7

Overall

7.4

Comfort

7.3

Food

6.7

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
Air Canada
7.1
Good
11,705 reviews
United Airlines
7.4
Good
10,259 reviews
Check prices

Boarding

7.7

Overall

7.4

Comfort

7.3

Food

6.7

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

FAQs about flying to Ontario

  • What airport do you fly into for flights to Ontario?

    Ontario (ONT), located 4.9 km from the city centre, is the airport you fly into when you book flights to Ontario.

  • Can I find cheaper flights to Ontario if I am willing to have layovers?

    Yes, flights with layovers are often cheaper than direct flights. Keep an eye out for flight deals to Ontario on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to Ontario?

    Based on reviews from Cheapflights users, United Airlines is rated the highest out of the airlines that fly to Ontario.

  • Where does the fastest flight to Ontario depart from?

    For those looking to save time traveling to Ontario, Vancouver offers the quickest one-way flight (3 hours 35 minutes).

  • Does Ontario have rental cars?

    Yes. Those touching down at Ontario can take advantage of the rental car services offered upon their arrival.

  • Are there hotels close to Ontario?

    Yes. Ontario has hotels nearby for those requiring accommodations. Delta Hotels by Marriott Ontario Airport is the closest property to Ontario (0.0 km away from Ontario).

See more FAQs

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Yes, we can. To see specific flights to Ontario with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Yes, Cheapflights has a feature called Price Alerts, which notifies users when flight prices change. Track prices for your flight to Ontario today and book when you’re ready!

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