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C$ 230+ 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 28/4. Fares are subject to change and may not be available on all flights or dates of travel.
— ONT
3 May — 10 May1
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 3 April 2026.

Tue 5/59:45 a.m.
YYZ
-
ONT
1 stop12h 47m
Multiple Airlines
Wed 13/51:50 p.m.
ONT
-
YYZ
2 stops12h 55m
Multiple Airlines
Deal found 31/3C$ 442
Sat 13/67:00 a.m.
YYZ
-
ONT
1 stop11h 09m
Multiple Airlines
Sat 20/63:34 p.m.
ONT
-
YYZ
1 stop12h 05m
Multiple Airlines
Deal found 31/3C$ 455
Sat 2/51:00 p.m.
YYZ
-
ONT
2 stops12h 59m
Lufthansa
Wed 6/55:00 a.m.
ONT
-
YYZ
1 stop7h 14m
Lufthansa
Deal found 1/4C$ 476
Sat 25/46:15 a.m.
YYZ
-
ONT
1 stop8h 21m
Delta
Mon 4/510:15 p.m.
ONT
-
YYZ
1 stop9h 04m
Delta
Deal found 2/4C$ 492
Fri 17/44:18 p.m.
YYZ
-
ONT
1 stop7h 18m
United Airlines
Mon 27/45:10 a.m.
ONT
-
YYZ
1 stop13h 22m
United Airlines
Deal found 31/3C$ 494
Sat 25/46:15 a.m.
YYZ
-
ONT
1 stop8h 21m
Delta
Sat 2/510:15 p.m.
ONT
-
YYZ
1 stop9h 04m
Delta
Deal found 1/4C$ 499
Tue 1/911:00 a.m.
YYZ
-
ONT
2 stops12h 52m
United Airlines
Tue 8/91:44 p.m.
ONT
-
YYZ
2 stops17h 10m
United Airlines
Deal found 29/3C$ 501
Wed 23/91:30 p.m.
YYZ
-
ONT
1 stop7h 31m
Delta
Tue 29/96:00 a.m.
ONT
-
YYZ
1 stop7h 45m
Delta
Deal found 31/3C$ 506
Thu 16/46:10 p.m.
YHM
-
ONT
3 stops31h 55m
Multiple Airlines
Tue 21/412:55 a.m.
ONT
-
YHM
2 stops20h 25m
Multiple Airlines
Deal found 1/4C$ 1,089
Wed 29/46:10 p.m.
YHM
-
ONT
3 stops22h 29m
WestJet
Wed 6/52:20 p.m.
ONT
-
YHM
3 stops23h 55m
WestJet
Deal found 30/3C$ 1,131
Thu 7/57:55 p.m.
YHM
-
ONT
2 stops24h 15m
Multiple Airlines
Sat 9/56:45 a.m.
ONT
-
YHM
2 stops13h 28m
Multiple Airlines
Deal found 1/4C$ 1,166
Wed 6/57:55 p.m.
YHM
-
ONT
2 stops24h 15m
Multiple Airlines
Tue 12/56:45 a.m.
ONT
-
YHM
2 stops13h 28m
Multiple Airlines
Deal found 31/3C$ 1,201

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 3 April 2026.

Round-trip from

C$ 367

One-way from

C$ 230

Popular in

March

Cheapest in

September

Average price

C$ 437
WestJet
  • WestJet
  • 1/5-4/5
  • 4 total stops
  • 27h 29m total
  • Toronto to Los Angeles
Search Deals
28/4
  • 28/4
  • 1 total stop
  • 12h 04m total
  • Toronto to Ontario
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (C$ 63 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 April 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 3 April 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

Fri 3/7

8:50 a.m.-10:51 p.m.

1 stop17h 01m

Ontario

Tue 7/7

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

1 stop13h 32m

C$ 494

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Fri 14/8

10:15 a.m.-6:19 p.m.

1 stop11h 04m

Ontario

Mon 17/8

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

1 stop13h 32m

C$ 494

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Thu 23/7

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

1 stop8h 36m

Ontario

Wed 29/7

1:18 p.m.-11:22 p.m.

1 stop7h 04m

C$ 580

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Thu 28/5

6:10 a.m.-12:19 p.m.

2 stops9h 09m

Ontario

Thu 4/6

10:00 p.m.-1:30 p.m.

2 stops12h 30m

C$ 604

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Tue 21/4

4:55 p.m.-11:48 p.m.

2 stops33h 53m

Ontario

Tue 28/4

6:00 a.m.-3:45 p.m.

1 stop30h 45m

C$ 641
Quickest round-trip

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Thu 16/4

6:30 a.m.-12:20 p.m.

1 stop8h 50m

Ontario

Thu 23/4

1:34 p.m.-11:18 p.m.

1 stop6h 44m

C$ 665

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Wed 15/4

4:55 p.m.-11:59 p.m.

1 stop10h 04m

Ontario

Tue 5/5

3:26 p.m.-3:45 p.m.

1 stop21h 19m

C$ 701

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Thu 7/5

4:55 p.m.-11:59 p.m.

1 stop10h 04m

Ontario

Mon 11/5

7:59 p.m.-3:45 p.m.

1 stop16h 46m

C$ 716

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Thu 7/5

4:55 p.m.-11:59 p.m.

1 stop10h 04m

Ontario

Sat 9/5

3:26 p.m.-3:45 p.m.

1 stop21h 19m

C$ 771

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Mon 20/4

4:55 p.m.-11:59 p.m.

1 stop10h 04m

Ontario

Mon 27/4

7:59 p.m.-3:45 p.m.

1 stop16h 46m

C$ 776

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/3

Showing 1-10 of 42 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 15 hours 46 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$ 280
Air Canada
Air Canada
From C$ 264
Alaska Airlines
Alaska Airlines
From C$ 434
American Airlines
American Airlines
From C$ 133

What are the cheapest airlines that fly to Ontario?

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

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 3 April 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
9,538 reviews
Check prices

Crew

8.1

Boarding

7.7

Entertainment

7.1

Overall

7.4

Comfort

7.3

Food

6.6

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
9,538 reviews
United Airlines
7.4
Good
9,538 reviews
Check prices

Crew

8.1

Boarding

7.7

Entertainment

7.1

Overall

7.4

Comfort

7.3

Food

6.6

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
10,886 reviews
United Airlines
7.4
Good
9,538 reviews
Check prices

Crew

8.1

Boarding

7.7

Entertainment

7.1

Overall

7.4

Comfort

7.3

Food

6.6

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.

  • 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 50 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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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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