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C$ 224+ 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 4/2. Fares are subject to change and may not be available on all flights or dates of travel.
— ONT
3 Dec — 10 Dec1
1 adult
1 adult, Economy, 0 bags

Find flight deals to Ontario

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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 November 2025.

Thu 4/129:35 a.m.YYZ - ONT
1 stop14h 42mMultiple Airlines
Wed 10/126:15 a.m.ONT - YYZ
1 stop10h 40mMultiple Airlines
Deal found 3/11C$ 394
Thu 18/129:35 a.m.YYZ - ONT
1 stop10h 47mMultiple Airlines
Thu 25/126:00 a.m.ONT - YYZ
1 stop10h 55mMultiple Airlines
Deal found 3/11C$ 409
Mon 15/129:35 a.m.YYZ - ONT
1 stop14h 42mMultiple Airlines
Wed 24/126:00 a.m.ONT - YYZ
1 stop10h 55mMultiple Airlines
Deal found 3/11C$ 426
Fri 5/129:45 a.m.YYZ - ONT
1 stop14h 32mMultiple Airlines
Sat 13/126:15 a.m.ONT - YYZ
1 stop21h 05mMultiple Airlines
Deal found 2/11C$ 448
Wed 31/129:35 a.m.YYZ - ONT
1 stop10h 40mMultiple Airlines
Sun 11/16:30 a.m.ONT - YYZ
1 stop20h 50mMultiple Airlines
Deal found 3/11C$ 479
Sun 30/116:10 p.m.YHM - ONT
2 stops44h 09mMultiple Airlines
Sun 7/126:00 a.m.ONT - YHM
2 stops32h 17mMultiple Airlines
Deal found 2/11C$ 1,566

Flights to Ontario in 2025

Find the latest flights to Ontario in 2025, 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 November 2025.

Round-trip from

C$ 311

One-way from

C$ 224

Popular in

December

Cheapest in

May

Average price

C$ 403
Porter Airlines
  • Porter Airlines
  • 4/12-10/12
  • Nonstop
  • 10h 19m total
  • Toronto to Los Angeles
Search Deals
4/2
  • 4/2
  • 3 total stops
  • 31h 32m total
  • Toronto to Ontario
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (C$ 43 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
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 November 2025.
Use the filters below to find and compare flights to Ontario that are best for you.

Fly from

Toronto

Route

Depart

Return

Price

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Thu 4/12

9:52 a.m.-10:47 p.m.

2 stops15h 55m

Ontario

Wed 10/12

5:49 p.m.-11:25 a.m.

2 stops14h 36m

C$ 591

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Mon 2/2

4:45 p.m.-1:06 p.m.

2 stops23h 21m

Ontario

Mon 9/2

5:59 p.m.-3:35 p.m.

2 stops18h 36m

C$ 633

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Mon 12/1

4:45 p.m.-1:06 p.m.

2 stops23h 21m

Ontario

Sun 18/1

5:59 p.m.-3:35 p.m.

2 stops18h 36m

C$ 644

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Sat 21/2

4:45 p.m.-10:37 p.m.

1 stop8h 52m

Ontario

Thu 26/2

6:00 p.m.-3:35 p.m.

2 stops18h 35m

C$ 654

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Fri 20/2

4:45 p.m.-4:53 p.m.

2 stops27h 08m

Ontario

Sat 28/2

6:00 p.m.-3:35 p.m.

2 stops18h 35m

C$ 656

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Fri 20/2

4:45 p.m.-4:53 p.m.

2 stops27h 08m

Ontario

Thu 26/2

11:30 a.m.-3:35 p.m.

1 stop25h 05m

C$ 665

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Sat 28/2

4:45 p.m.-10:37 p.m.

1 stop8h 52m

Ontario

Tue 3/3

6:00 p.m.-3:35 p.m.

2 stops18h 35m

C$ 679

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Thu 15/1

4:45 p.m.-8:10 p.m.

2 stops30h 25m

Ontario

Thu 22/1

5:59 p.m.-3:35 p.m.

2 stops18h 36m

C$ 702

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Mon 8/12

4:45 p.m.-8:03 p.m.

2 stops30h 18m

Ontario

Sun 14/12

6:00 a.m.-3:35 p.m.

1 stop30h 35m

C$ 705

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Fri 5/12

4:45 p.m.-6:33 p.m.

1 stop28h 48m

Ontario

Sun 7/12

7:10 a.m.-3:35 p.m.

2 stops29h 25m

C$ 705

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/11

Showing 1-10 of 22 results
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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 17 hours 18 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 Porter Airlines.

United Airlines
United Airlines
From C$ 376
Air Canada
Air Canada
From C$ 373
Delta
Delta
From C$ 371
Porter Airlines
Porter Airlines
From C$ 279

What are the cheapest airlines that fly to Ontario?

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

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 November 2025.
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
8,997 reviews
Check prices

Crew

8.1

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Food

6.6

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
8,997 reviews
United Airlines
7.4
Good
8,997 reviews
Check prices

Crew

8.1

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Food

6.6

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
10,398 reviews
United Airlines
7.4
Good
8,997 reviews
Check prices

Crew

8.1

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Food

6.6

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.

  • 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 39 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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