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C$ 269+ 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 9/6. Fares are subject to change and may not be available on all flights or dates of travel.
— ONT
8 Jun — 15 Jun1
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 9 May 2026.

Wed 17/69:55 a.m.
YYZ
-
ONT
1 stop8h 13m
Multiple Airlines
Wed 24/63:34 p.m.
ONT
-
YYZ
2 stops30h 31m
Multiple Airlines
Deal found 3/5C$ 426
Fri 22/55:15 p.m.
YYZ
-
ONT
1 stop8h 36m
United Airlines
Mon 25/55:00 a.m.
ONT
-
YYZ
1 stop13h 32m
United Airlines
Deal found 3/5C$ 556
Wed 29/710:50 a.m.
YYZ
-
ONT
2 stops12h 03m
Multiple Airlines
Tue 25/83:34 p.m.
ONT
-
YYZ
1 stop12h 05m
Multiple Airlines
Deal found 5/5C$ 586
Thu 10/95:50 p.m.
YYZ
-
ONT
1 stop7h 54m
Delta
Wed 23/97:00 a.m.
ONT
-
YYZ
2 stops12h 57m
Delta
Deal found 8/5C$ 590
Wed 8/71:38 p.m.
YYZ
-
ONT
1 stop11h 12m
Delta
Fri 24/710:00 p.m.
ONT
-
YYZ
1 stop11h 23m
Delta
Deal found 3/5C$ 592
Thu 21/56:30 a.m.
YYZ
-
ONT
1 stop8h 42m
Lufthansa
Wed 27/55:00 a.m.
ONT
-
YYZ
1 stop13h 32m
Lufthansa
Deal found 6/5C$ 599
Fri 5/612:09 p.m.
YYZ
-
ONT
2 stops14h 25m
Delta
Mon 15/65:21 p.m.
ONT
-
YYZ
2 stops14h 58m
Delta
Deal found 7/5C$ 600
Thu 25/61:40 p.m.
YYZ
-
ONT
1 stop11h 08m
Delta
Wed 8/77:05 a.m.
ONT
-
YYZ
1 stop11h 56m
Delta
Deal found 6/5C$ 601
Fri 5/63:45 p.m.
YYZ
-
ONT
1 stop9h 51m
American Airlines
Mon 15/610:00 p.m.
ONT
-
YYZ
1 stop17h 44m
American Airlines
Deal found 8/5C$ 604
Fri 29/57:55 p.m.
YHM
-
ONT
2 stops29h 39m
Multiple Airlines
Fri 5/66:45 a.m.
ONT
-
YHM
2 stops13h 28m
Multiple Airlines
Deal found 8/5C$ 928
Mon 13/78:35 p.m.
YHM
-
ONT
2 stops29h 08m
Multiple Airlines
Mon 20/76:20 a.m.
ONT
-
YHM
3 stops32h 05m
Multiple Airlines
Deal found 7/5C$ 961
Tue 26/57:55 p.m.
YHM
-
ONT
2 stops29h 39m
Multiple Airlines
Tue 2/66:45 a.m.
ONT
-
YHM
2 stops13h 28m
Multiple Airlines
Deal found 5/5C$ 984

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 9 May 2026.

Round-trip from

C$ 390

One-way from

C$ 269

Popular in

May

Cheapest in

September

Average price

C$ 548
WestJet
  • WestJet
  • 12/9-22/9
  • 2 total stops
  • 18h 00m total
  • Toronto to Los Angeles
Search Deals
9/6
  • 9/6
  • 1 total stop
  • 8h 13m total
  • Toronto to Ontario
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (C$ 61 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 May 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 9 May 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 - ONT

YYZONT

Toronto Pearson Intl

Mon 14/9

5:50 p.m.-11:44 p.m.

1 stop8h 54m

Ontario

Thu 24/9

12:00 p.m.-12:04 a.m.

1 stop9h 04m

C$ 590

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Fri 2/10

3:53 p.m.-9:58 p.m.

1 stop9h 05m

Ontario

Tue 6/10

6:05 a.m.-4:14 p.m.

1 stop7h 09m

C$ 590

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Tue 19/5

5:16 p.m.-10:59 p.m.

1 stop8h 43m

Ontario

Wed 27/5

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

1 stop13h 32m

C$ 590
Quickest round-trip

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Mon 1/6

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

1 stop8h 42m

Ontario

Mon 8/6

6:00 a.m.-4:14 p.m.

1 stop7h 14m

C$ 612

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Sat 23/5

5:45 p.m.-10:45 p.m.

1 stop8h 00m

Ontario

Wed 27/5

10:00 p.m.-12:19 p.m.

1 stop11h 19m

C$ 621

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Sat 23/5

5:45 p.m.-10:45 p.m.

1 stop8h 00m

Ontario

Sat 30/5

10:00 p.m.-10:19 a.m.

1 stop9h 19m

C$ 623

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Tue 14/7

5:15 p.m.-10:51 p.m.

1 stop8h 36m

Ontario

Tue 21/7

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

1 stop13h 32m

C$ 692

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Sat 1/8

6:10 a.m.-9:55 p.m.

1 stop18h 45m

Ontario

Sat 8/8

5:45 a.m.-10:23 p.m.

2 stops13h 38m

C$ 697

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Sat 20/6

6:30 a.m.-4:41 p.m.

2 stops13h 11m

Ontario

Sat 27/6

6:00 a.m.-11:58 p.m.

2 stops14h 58m

C$ 711

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Sat 23/5

5:45 p.m.-10:45 p.m.

1 stop8h 00m

Ontario

Mon 25/5

10:00 p.m.-5:21 p.m.

2 stops16h 21m

C$ 753

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/5

Showing 1-10 of 43 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 6 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$ 367
Air Canada
Air Canada
From C$ 413
Delta
Delta
From C$ 369
Alaska Airlines
Alaska Airlines
From C$ 426

What are the cheapest airlines that fly to Ontario?

The cheapest airlines flying from Toronto to Ontario are American Airlines, Porter 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 9 May 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
9,692 reviews
Check prices

Boarding

7.7

Food

6.6

Comfort

7.3

Crew

8.1

Entertainment

7.1

Overall

7.4

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
9,692 reviews
United Airlines
7.4
Good
9,692 reviews
Check prices

Boarding

7.7

Food

6.6

Comfort

7.3

Crew

8.1

Entertainment

7.1

Overall

7.4

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
11,008 reviews
United Airlines
7.4
Good
9,692 reviews
Check prices

Boarding

7.7

Food

6.6

Comfort

7.3

Crew

8.1

Entertainment

7.1

Overall

7.4

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, American Airlines 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$ 223, while round-trip flights cost around C$ 271.

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

    A round-trip flight to Ontario will typically cost around C$ 316, however they can be found for as little as C$ 271.

  • 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 20 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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Some of the lowest fares we’ve come across for flights to Ontario.
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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