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C$ 295+ Cheap flights 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 21/9. Fares are subject to change and may not be available on all flights or dates of travel.
— ONT
4 Sep — 11 Sep1
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
Explore the most affordable flight options available to Ontario. Find the lowest fares based on data from user searches, with prices last updated on 5 August 2026.

Thu 10/98:35 p.m. -
1 stop13h 29m
Sun 13/92:30 p.m. -
1 stop13h 09m
Deal found 1/8C$ 521
Fri 4/98:35 p.m. -
1 stop14h 28m
Thu 10/92:30 p.m. -
1 stop13h 09m
Deal found 3/8C$ 579
Tue 1/96:30 a.m. -
2 stops15h 31m
Mon 21/98:24 p.m. -
1 stop20h 45m
Deal found 31/7C$ 589
Fri 21/87:25 a.m. -
3 stops34h 28m
Fri 28/86:20 a.m. -
3 stops21h 50m
Deal found 1/8C$ 1,044
Wed 26/86:55 p.m. -
2 stops30h 50m
Sat 29/83:35 p.m. -
3 stops25h 55m
Deal found 31/7C$ 1,075
Mon 17/88:35 p.m. -
3 stops23h 46m
Mon 24/86:20 a.m. -
3 stops21h 50m
Deal found 3/8C$ 1,119
Wed 26/810:25 a.m. -
3 stops33h 56m
Tue 1/96:20 a.m. -
3 stops35h 05m
Deal found 3/8C$ 1,130
Wed 19/86:55 p.m. -
2 stops25h 26m
Sun 23/86:20 a.m. -
2 stops13h 53m
Deal found 31/7C$ 1,186

Find flight deals to Ontario

Find the latest flights to Ontario in 2026, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 629,999 searches and data was last updated on 5 August 2026.

Round-trip from

C$ 478

One-way from

C$ 292

Popular in

June

Cheapest in

October

Average price

C$ 618
Air Canada
  • Air Canada
  • 9/9-16/9
  • 1 total stop
  • 12h 10m total
  • Toronto to Los Angeles
Search Deals
28/9
  • 28/9
  • 1 total stop
  • 15h 34m total
  • Toronto to Ontario
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (C$ 106 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

Cheapflights Fare Finder

 
Locate flights to Ontario that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 629,999 searches and data was last updated on 5 August 2026.
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

Wed 16/9

11:00 a.m.-8:01 p.m.

2 stops12h 01m

Ontario

Sat 19/9

8:00 a.m.-11:59 p.m.

2 stops12h 59m

C$ 666

TorontoOntario

YYZ Toronto Pearson Intl - ONT Ontario

YYZONT

Toronto Pearson Intl

Thu 22/10

6:30 a.m.-12:18 p.m.

1 stop8h 48m

Ontario

Sun 25/10

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

1 stop7h 02m

C$ 666

TorontoOntario

YYZ Toronto Pearson Intl - ONT Ontario

YYZONT

Toronto Pearson Intl

Sun 11/10

6:10 a.m.-9:59 p.m.

1 stop18h 49m

Ontario

Mon 19/10

5:00 a.m.-9:32 p.m.

1 stop13h 32m

C$ 668

TorontoOntario

YYZ Toronto Pearson Intl - ONT Ontario

YYZONT

Toronto Pearson Intl

Thu 10/9

5:16 p.m.-12:12 p.m.

2 stops21h 56m

Ontario

Sun 13/9

6:00 a.m.-10:36 p.m.

1 stop13h 36m

C$ 687

TorontoOntario

YYZ Toronto Pearson Intl - ONT Ontario

YYZONT

Toronto Pearson Intl

Fri 9/10

10:45 a.m.-8:58 p.m.

1 stop13h 13m

Ontario

Wed 14/10

5:00 a.m.-3:14 p.m.

1 stop7h 14m

C$ 713

TorontoOntario

YYZ Toronto Pearson Intl - ONT Ontario

YYZONT

Toronto Pearson Intl

Sun 23/8

6:10 a.m.-4:24 p.m.

2 stops13h 14m

Ontario

Sun 30/8

7:05 a.m.-9:59 p.m.

1 stop11h 54m

C$ 732

TorontoOntario

YYZ Toronto Pearson Intl - ONT Ontario

YYZONT

Toronto Pearson Intl

Thu 8/10

6:30 a.m.-12:18 p.m.

1 stop8h 48m

Ontario

Sun 18/10

5:00 a.m.-3:14 p.m.

1 stop7h 14m

C$ 786

TorontoOntario

YYZ Toronto Pearson Intl - ONT Ontario

YYZONT

Toronto Pearson Intl

Sun 11/10

2:26 p.m.-11:55 p.m.

2 stops12h 29m

Ontario

Mon 19/10

6:01 p.m.-11:19 a.m.

2 stops14h 18m

C$ 798

TorontoOntario

YYZ Toronto Pearson Intl - ONT Ontario

YYZONT

Toronto Pearson Intl

Sat 10/10

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

1 stop7h 40m

Ontario

Fri 16/10

5:00 a.m.-4:45 p.m.

1 stop8h 45m

C$ 819
Quickest round-trip

TorontoOntario

YYZ Toronto Pearson Intl - ONT Ontario

YYZONT

Toronto Pearson Intl

Wed 19/8

8:55 a.m.-12:50 p.m.

1 stop6h 55m

Ontario

Sun 23/8

5:00 a.m.-3:16 p.m.

1 stop7h 16m

C$ 819

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/8

Showing 1-10 of 39 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
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 to Ontario

How long is the flight to Ontario?

On average, a flight from Toronto to Ontario takes 13 hours 2 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$ 218
Air Canada
Air Canada
From C$ 199
American Airlines
American Airlines
From C$ 569
Alaska Airlines
Alaska Airlines
From C$ 458

What are the cheapest airlines that fly to Ontario?

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

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 5 August 2026.
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
10,061 reviews
Check prices

Comfort

7.3

Boarding

7.7

Crew

8.1

Overall

7.4

Entertainment

7.1

Food

6.7

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
10,061 reviews
United Airlines
7.4
Good
10,061 reviews
Check prices

Comfort

7.3

Boarding

7.7

Crew

8.1

Overall

7.4

Entertainment

7.1

Food

6.7

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
11,429 reviews
United Airlines
7.4
Good
10,061 reviews
Check prices

Comfort

7.3

Boarding

7.7

Crew

8.1

Overall

7.4

Entertainment

7.1

Food

6.7

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, Air Canada is rated the highest out of the airlines that fly to Ontario.

  • What is the cheapest airport to fly to in Ontario?

    Ontario is currently the cheapest airport to fly to in Ontario. One-way flights to Ontario typically cost C$ 124, while round-trip flights cost around C$ 197.

  • How much is a round-trip flight to Ontario?

    A round-trip flight to Ontario will typically cost around C$ 370, however they can be found for as little as C$ 197.

  • 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 (4 hours 2 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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Flights from Seattle to Ontario

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How does Cheapflights help users find flights to Ontario?

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

Cheapflights helps you find that perfect flight to Ontario by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights to Ontario with no change fees?

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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