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C$ 221+ 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 11/5. Fares are subject to change and may not be available on all flights or dates of travel.
— ONT
20 Apr — 27 Apr1
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 21 March 2026.

Thu 7/53:50 p.m.
YYZ
-
ONT
2 stops18h 59m
Multiple Airlines
Wed 13/54:39 p.m.
ONT
-
YYZ
1 stop24h 30m
Multiple Airlines
Deal found 17/3C$ 419
Tue 5/59:45 a.m.
YYZ
-
ONT
1 stop12h 47m
Multiple Airlines
Mon 11/511:36 a.m.
ONT
-
YYZ
1 stop29h 24m
Multiple Airlines
Deal found 18/3C$ 434
Tue 14/46:15 a.m.
YYZ
-
ONT
1 stop8h 21m
Delta
Fri 17/412:49 p.m.
ONT
-
YYZ
1 stop8h 10m
Delta
Deal found 19/3C$ 505
Sat 18/41:30 p.m.
YYZ
-
ONT
1 stop10h 30m
Delta
Fri 24/410:15 p.m.
ONT
-
YYZ
2 stops12h 10m
Delta
Deal found 19/3C$ 506
Mon 13/46:15 p.m.
YYZ
-
ONT
1 stop18h 54m
American Airlines
Sat 18/46:00 a.m.
ONT
-
YYZ
1 stop13h 55m
American Airlines
Deal found 20/3C$ 508
Wed 29/49:35 a.m.
YYZ
-
ONT
1 stop12h 14m
Multiple Airlines
Thu 7/511:36 a.m.
ONT
-
YYZ
2 stops14h 34m
Multiple Airlines
Deal found 18/3C$ 509
Sat 7/113:00 p.m.
YYZ
-
ONT
2 stops11h 06m
United Airlines
Tue 10/115:00 a.m.
ONT
-
YYZ
2 stops11h 19m
United Airlines
Deal found 16/3C$ 526
Wed 29/43:53 p.m.
YYZ
-
ONT
1 stop8h 57m
United Airlines
Sat 30/55:00 a.m.
ONT
-
YYZ
2 stops15h 59m
United Airlines
Deal found 16/3C$ 527
Fri 10/44:18 p.m.
YYZ
-
ONT
1 stop7h 18m
United Airlines
Sat 18/45:10 a.m.
ONT
-
YYZ
1 stop7h 04m
United Airlines
Deal found 17/3C$ 530
Mon 30/35:16 p.m.
YYZ
-
ONT
1 stop8h 29m
United Airlines
Tue 7/45:10 a.m.
ONT
-
YYZ
1 stop7h 04m
United Airlines
Deal found 16/3C$ 532
Thu 7/52:20 p.m.
YYZ
-
ONT
2 stops12h 14m
Delta
Sun 10/56:00 a.m.
ONT
-
YYZ
2 stops13h 59m
Delta
Deal found 17/3C$ 549
Wed 8/46:10 p.m.
YHM
-
ONT
2 stops27h 17m
Multiple Airlines
Sun 12/412:55 a.m.
ONT
-
YHM
2 stops20h 55m
Multiple Airlines
Deal found 16/3C$ 1,113

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 21 March 2026.

Round-trip from

C$ 364

One-way from

C$ 221

Popular in

March

Cheapest in

September

Average price

C$ 557
WestJet
  • WestJet
  • 23/5-27/5
  • 4 total stops
  • 31h 40m total
  • Toronto to Los Angeles
Search Deals
11/5
  • 11/5
  • 2 total stops
  • 31h 54m total
  • Toronto to Ontario
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (C$ 59 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 March 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 21 March 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

Tue 14/4

7:55 a.m.-9:00 p.m.

2 stops16h 05m

Ontario

Fri 17/4

12:49 p.m.-11:59 p.m.

1 stop8h 10m

C$ 505

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Thu 7/5

5:45 p.m.-11:34 p.m.

1 stop8h 49m

Ontario

Mon 11/5

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

1 stop11h 19m

C$ 527
Quickest round-trip

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Fri 10/4

4:18 p.m.-8:36 p.m.

1 stop7h 18m

Ontario

Sat 18/4

5:10 a.m.-3:14 p.m.

1 stop7h 04m

C$ 530

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Fri 8/5

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

1 stop9h 05m

Ontario

Sun 10/5

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

1 stop7h 14m

C$ 569

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Tue 26/5

8:45 a.m.-5:28 p.m.

1 stop11h 43m

Ontario

Sun 31/5

5:00 a.m.-11:23 p.m.

1 stop15h 23m

C$ 600

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Fri 22/5

4:00 p.m.-10:46 p.m.

1 stop9h 46m

Ontario

Wed 27/5

1:18 p.m.-11:23 p.m.

1 stop7h 05m

C$ 600

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Wed 8/4

5:16 p.m.-10:45 p.m.

1 stop8h 29m

Ontario

Sat 11/4

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

1 stop7h 14m

C$ 627

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Wed 13/5

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

1 stop9h 05m

Ontario

Sun 17/5

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

1 stop7h 14m

C$ 628

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Sun 26/4

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

1 stop8h 50m

Ontario

Thu 4/6

6:30 a.m.-5:56 p.m.

1 stop8h 26m

C$ 690

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Fri 1/5

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

1 stop10h 04m

Ontario

Sat 9/5

7:00 a.m.-3:45 p.m.

2 stops29h 45m

C$ 730

Flights are sorted by cheapest round-trip flights first.

Deals found on 20/3

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 11 hours 34 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$ 276
Air Canada
Air Canada
From C$ 260
American Airlines
American Airlines
From C$ 131
Delta
Delta
From C$ 370

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 21 March 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
9,451 reviews
Check prices

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Overall

7.4

Crew

8.1

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
9,451 reviews
United Airlines
7.4
Good
9,451 reviews
Check prices

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Overall

7.4

Crew

8.1

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
10,821 reviews
United Airlines
7.4
Good
9,451 reviews
Check prices

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Overall

7.4

Crew

8.1

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 54 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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