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C$ 208+ 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 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
— ONT
11 Oct — 18 Oct1
1 adult
1 adult, Economy

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 11 September 2025.

Round-trip from

C$ 233

One-way from

C$ 201

Popular in

December

Cheapest in

September

Average price

C$ 327
WestJet
  • WestJet
  • 22/9-25/9
  • 3 total stops
  • 20h 47m total
  • Toronto to Los Angeles
Search Deals
29/10
  • 29/10
  • 2 total stops
  • 26h 21m total
  • Toronto to Ontario
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (C$ 61 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 24 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
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Find flight deals to Ontario

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 11 September 2025.

Wed 8/103:00 p.m.YYZ - ONT
2 stops21h 10mMultiple Airlines
Wed 15/108:00 a.m.ONT - YYZ
1 stop8h 58mMultiple Airlines
Deal found 8/9C$ 353
Tue 30/99:30 a.m.YYZ - ONT
1 stop15h 26mMultiple Airlines
Tue 7/108:00 a.m.ONT - YYZ
2 stops11h 52mMultiple Airlines
Deal found 9/9C$ 356
Fri 24/102:00 p.m.YYZ - ONT
2 stops33h 42mMultiple Airlines
Fri 31/107:44 p.m.ONT - YYZ
1 stop7h 36mMultiple Airlines
Deal found 9/9C$ 374
Thu 30/101:30 p.m.YYZ - ONT
2 stops20h 47mMultiple Airlines
Fri 7/1110:43 p.m.ONT - YYZ
1 stop18h 12mMultiple Airlines
Deal found 9/9C$ 389
Fri 31/1012:30 p.m.YYZ - ONT
2 stops12h 25mMultiple Airlines
Sat 8/118:00 a.m.ONT - YYZ
1 stop8h 55mMultiple Airlines
Deal found 10/9C$ 395
Wed 12/119:35 a.m.YYZ - ONT
1 stop14h 07mMultiple Airlines
Sun 16/116:53 a.m.ONT - YYZ
2 stops20h 27mMultiple Airlines
Deal found 9/9C$ 403
Sun 26/106:30 a.m.YYZ - ONT
2 stops32h 17mMultiple Airlines
Sun 2/117:44 p.m.ONT - YYZ
1 stop7h 36mMultiple Airlines
Deal found 11/9C$ 431
Sat 15/117:55 p.m.YYZ - ONT
1 stop14h 22mMultiple Airlines
Sun 16/117:44 p.m.ONT - YYZ
1 stop7h 36mMultiple Airlines
Deal found 10/9C$ 445
Wed 8/107:05 a.m.YHM - ONT
2 stops14h 28mMultiple Airlines
Wed 15/106:00 a.m.ONT - YHM
2 stops14h 59mMultiple Airlines
Deal found 8/9C$ 884
Wed 8/106:00 a.m.YHM - ONT
2 stops14h 10mWestJet
Wed 15/107:35 a.m.ONT - YHM
2 stops14h 05mWestJet
Deal found 10/9C$ 1,031
Fri 10/102:55 p.m.YHM - ONT
3 stops34h 46mMultiple Airlines
Mon 13/107:35 a.m.ONT - YHM
2 stops34h 44mMultiple Airlines
Deal found 9/9C$ 1,138
Sun 26/106:10 p.m.YHM - ONT
3 stops26h 00mWestJet
Sun 2/117:35 a.m.ONT - YHM
3 stops30h 42mWestJet
Deal found 11/9C$ 1,258

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 11 September 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

Wed 10/12

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

2 stops30h 18m

Ontario

Fri 12/12

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

2 stops29h 25m

C$ 671

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Sat 21/2

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

1 stop8h 52m

Ontario

Tue 24/2

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

1 stop30h 35m

C$ 672

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Sat 21/2

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

1 stop8h 52m

Ontario

Mon 23/2

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

1 stop30h 35m

C$ 689

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Fri 7/11

4:45 p.m.-5:05 p.m.

2 stops27h 20m

Ontario

Wed 12/11

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

1 stop30h 35m

C$ 689

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Sat 21/2

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

1 stop8h 52m

Ontario

Wed 25/2

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

1 stop30h 35m

C$ 690

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Sat 11/10

4:45 p.m.-12:03 a.m.

1 stop10h 18m

Ontario

Sat 18/10

7:10 a.m.-3:00 p.m.

2 stops28h 50m

C$ 691

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Wed 29/10

4:45 p.m.-3:17 p.m.

1 stop25h 32m

Ontario

Wed 12/11

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

1 stop30h 35m

C$ 693

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Sat 1/11

4:45 p.m.-12:05 p.m.

1 stop22h 20m

Ontario

Sat 8/11

6:03 p.m.-3:35 p.m.

2 stops18h 32m

C$ 701

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Fri 16/1

4:45 p.m.-10:08 a.m.

2 stops20h 23m

Ontario

Sun 25/1

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

1 stop25h 05m

C$ 707

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Sat 25/10

4:45 p.m.-12:03 a.m.

1 stop10h 18m

Ontario

Sat 1/11

4:11 p.m.-4:35 p.m.

1 stop21h 24m

C$ 721

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/9

Showing 1-10 of 31 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 10 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 Air Canada, United Airlines and American Airlines.

Air Canada
Air Canada
From C$ 271
United Airlines
United Airlines
From C$ 268
Delta
Delta
From C$ 270
American Airlines
American Airlines
From C$ 96

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 11 September 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
8,937 reviews
Check prices

Boarding

7.7

Overall

7.4

Entertainment

7.1

Food

6.6

Crew

8.1

Comfort

7.3

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
8,937 reviews
United Airlines
7.4
Good
8,937 reviews
Check prices

Boarding

7.7

Overall

7.4

Entertainment

7.1

Food

6.6

Crew

8.1

Comfort

7.3

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
10,000 reviews
United Airlines
7.4
Good
8,937 reviews
Check prices

Boarding

7.7

Overall

7.4

Entertainment

7.1

Food

6.6

Crew

8.1

Comfort

7.3

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$ 74, while round-trip flights cost around C$ 236.

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

    A round-trip flight to Ontario will typically cost around C$ 209, however they can be found for as little as C$ 171.

  • 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 (5 hours 13 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?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Ontario today with Cheapflights!

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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