C$ 179+ 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 10/12. Fares are subject to change and may not be available on all flights or dates of travel.
— ONT
12 Nov — 19 Nov1
1 adult
1 adult, Economy

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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 13 October 2025.

Mon 10/111:30 p.m.YYZ - ONT
2 stops34h 12mMultiple Airlines
Mon 17/1110:43 p.m.ONT - YYZ
1 stop18h 12mMultiple Airlines
Deal found 13/10C$ 382
Tue 28/1012:40 p.m.YYZ - ONT
1 stop11h 02mMultiple Airlines
Mon 3/1110:43 p.m.ONT - YYZ
1 stop21h 17mMultiple Airlines
Deal found 12/10C$ 385
Sun 9/1110:45 p.m.YYZ - ONT
2 stops26h 12mMultiple Airlines
Tue 18/118:00 a.m.ONT - YYZ
1 stop12h 00mMultiple Airlines
Deal found 13/10C$ 398
Thu 13/119:45 a.m.YYZ - ONT
1 stop16h 55mMultiple Airlines
Wed 19/118:00 a.m.ONT - YYZ
2 stops26h 40mMultiple Airlines
Deal found 11/10C$ 427
Wed 29/1010:00 a.m.YYZ - ONT
2 stops13h 42mMultiple Airlines
Mon 3/1110:43 p.m.ONT - YYZ
1 stop18h 12mMultiple Airlines
Deal found 12/10C$ 431
Sun 9/119:45 a.m.YYZ - ONT
1 stop16h 55mMultiple Airlines
Sun 16/1110:43 p.m.ONT - YYZ
2 stops35h 57mMultiple Airlines
Deal found 11/10C$ 466
Thu 13/116:10 p.m.YHM - ONT
3 stops25h 59mWestJet
Wed 19/1111:48 a.m.ONT - YHM
3 stops26h 29mWestJet
Deal found 11/10C$ 1,067

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 13 October 2025.

Round-trip from

C$ 237

One-way from

C$ 179

Popular in

December

Cheapest in

May

Average price

C$ 395
WestJet
  • WestJet
  • 13/11-16/12
  • 2 total stops
  • 21h 21m total
  • Toronto to Los Angeles
10/12
  • 10/12
  • 1 total stop
  • 14h 29m total
  • Toronto to Ontario
Highest demand for flights based on searches. 9% potential increase in price (C$ 59 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease (C$ 25 potential savings vs. average RT price).
Average for round-trip flights in October 2025

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 13 October 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

Mon 8/12

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

2 stops30h 18m

Ontario

Fri 16/1

1:46 p.m.-3:35 p.m.

2 stops22h 49m

C$ 612

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Sat 6/12

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

2 stops30h 18m

Ontario

Sun 14/12

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

2 stops29h 25m

C$ 612

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Mon 10/11

4:45 p.m.-9:58 a.m.

2 stops20h 13m

Ontario

Mon 17/11

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

2 stops18h 32m

C$ 612

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Thu 29/1

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

2 stops23h 21m

Ontario

Fri 6/2

1:46 p.m.-3:35 p.m.

2 stops22h 49m

C$ 612

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Thu 4/12

4:45 p.m.-11:19 a.m.

1 stop21h 34m

Ontario

Mon 8/12

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

2 stops29h 25m

C$ 619

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Wed 3/12

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

2 stops30h 18m

Ontario

Sun 7/12

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

1 stop30h 35m

C$ 619

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Tue 4/11

4:45 p.m.-9:58 a.m.

2 stops20h 13m

Ontario

Mon 10/11

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

1 stop30h 35m

C$ 622

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Sat 8/11

4:45 p.m.-9:58 a.m.

2 stops20h 13m

Ontario

Mon 10/11

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

1 stop30h 35m

C$ 622

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Sun 9/11

4:45 p.m.-9:58 a.m.

2 stops20h 13m

Ontario

Wed 12/11

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

1 stop30h 35m

C$ 630

HamiltonOntario

YHM - ONT

YHMONT

Hamilton

Thu 13/11

6:10 p.m.-5:09 p.m.

3 stops25h 59m

Ontario

Wed 19/11

11:48 a.m.-5:17 p.m.

3 stops26h 29m

C$ 1,067

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 23 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 42 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 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 13 October 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.

Crew

8.1

Overall

7.4

Food

6.6

Entertainment

7.1

Comfort

7.3

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

Crew

8.1

Overall

7.4

Food

6.6

Entertainment

7.1

Comfort

7.3

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

Crew

8.1

Overall

7.4

Food

6.6

Entertainment

7.1

Comfort

7.3

Boarding

7.7

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$ 75, while round-trip flights cost around C$ 152.

  • 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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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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