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C$ 279+ 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 11/9. Fares are subject to change and may not be available on all flights or dates of travel.
— ONT
8 Aug — 15 Aug1
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 9 July 2026.

Sat 12/99:55 a.m.
YYZ
-
ONT
1 stop9h 15m
Multiple Airlines
Tue 15/92:58 p.m.
ONT
-
YYZ
2 stops11h 47m
Multiple Airlines
Deal found 8/7C$ 574
Thu 20/87:00 a.m.
YYZ
-
ONT
1 stop12h 22m
Multiple Airlines
Tue 25/83:40 p.m.
ONT
-
YYZ
1 stop11h 59m
Multiple Airlines
Deal found 7/7C$ 584
Sat 22/87:00 a.m.
YYZ
-
ONT
1 stop11h 54m
Multiple Airlines
Sat 29/83:40 p.m.
ONT
-
YYZ
1 stop11h 59m
Multiple Airlines
Deal found 8/7C$ 603
Thu 24/99:45 a.m.
YYZ
-
ONT
1 stop13h 32m
Multiple Airlines
Tue 29/92:58 p.m.
ONT
-
YYZ
2 stops11h 47m
Multiple Airlines
Deal found 8/7C$ 605
Fri 28/88:35 p.m.
YYZ
-
ONT
1 stop22h 19m
Multiple Airlines
Sun 6/911:15 a.m.
ONT
-
YYZ
2 stops15h 30m
Multiple Airlines
Deal found 8/7C$ 621
Fri 4/95:27 p.m.
YYZ
-
ONT
1 stop8h 08m
United Airlines
Sun 6/97:00 a.m.
ONT
-
YYZ
1 stop9h 37m
United Airlines
Deal found 6/7C$ 644
Sat 10/103:53 p.m.
YYZ
-
ONT
1 stop9h 06m
United Airlines
Mon 12/106:00 a.m.
ONT
-
YYZ
1 stop7h 14m
United Airlines
Deal found 8/7C$ 645
Fri 28/88:35 p.m.
YYZ
-
ONT
1 stop14h 28m
Multiple Airlines
Mon 31/810:17 p.m.
ONT
-
YYZ
1 stop15h 52m
Multiple Airlines
Deal found 7/7C$ 646
Fri 28/810:45 a.m.
YYZ
-
ONT
2 stops12h 16m
Lufthansa
Sun 6/97:00 a.m.
ONT
-
YYZ
1 stop10h 44m
Lufthansa
Deal found 5/7C$ 651
Fri 28/86:15 a.m.
YHM
-
ONT
3 stops19h 30m
Multiple Airlines
Sun 6/93:35 p.m.
ONT
-
YHM
3 stops20h 33m
Multiple Airlines
Deal found 6/7C$ 1,079
Thu 20/86:15 a.m.
YHM
-
ONT
3 stops19h 30m
Multiple Airlines
Wed 26/86:20 a.m.
ONT
-
YHM
2 stops13h 53m
Multiple Airlines
Deal found 4/7C$ 1,104
Thu 20/86:15 a.m.
YHM
-
ONT
3 stops19h 30m
Multiple Airlines
Tue 25/86:20 a.m.
ONT
-
YHM
2 stops13h 53m
Multiple Airlines
Deal found 7/7C$ 1,110

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 9 July 2026.

Round-trip from

C$ 536

One-way from

C$ 279

Popular in

June

Cheapest in

September

Average price

C$ 610
WestJet
  • WestJet
  • 30/8-12/9
  • 3 total stops
  • 19h 35m total
  • Toronto to Los Angeles
Search Deals
11/9
  • 11/9
  • 1 total stop
  • 12h 10m total
  • Toronto to Ontario
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (C$ 106 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 9 July 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 16/10

10:45 a.m.-8:58 p.m.

1 stop13h 13m

Ontario

Sun 18/10

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

1 stop7h 14m

C$ 645

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Fri 28/8

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

1 stop8h 42m

Ontario

Sun 6/9

7:00 a.m.-5:56 p.m.

1 stop7h 56m

C$ 665
Quickest round-trip

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Mon 31/8

4:18 p.m.-8:53 p.m.

1 stop7h 35m

Ontario

Tue 8/9

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

1 stop7h 14m

C$ 668

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Tue 21/7

6:10 a.m.-9:55 p.m.

1 stop18h 45m

Ontario

Wed 5/8

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

1 stop13h 32m

C$ 686

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Fri 28/8

1:38 p.m.-9:52 p.m.

1 stop11h 14m

Ontario

Thu 3/9

7:05 a.m.-11:03 p.m.

2 stops12h 58m

C$ 695

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Sat 22/8

5:50 p.m.-10:23 p.m.

1 stop7h 33m

Ontario

Wed 26/8

6:00 a.m.-4:40 p.m.

1 stop7h 40m

C$ 699

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Thu 23/7

6:10 a.m.-9:55 p.m.

1 stop18h 45m

Ontario

Thu 6/8

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

1 stop13h 32m

C$ 712

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Tue 21/7

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

1 stop8h 36m

Ontario

Wed 12/8

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

1 stop7h 14m

C$ 717

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Sat 22/8

8:20 a.m.-6:12 p.m.

1 stop12h 52m

Ontario

Wed 26/8

5:00 a.m.-11:17 p.m.

1 stop15h 17m

C$ 723

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Sat 3/10

5:27 p.m.-10:49 p.m.

1 stop8h 22m

Ontario

Thu 8/10

5:00 a.m.-11:16 p.m.

1 stop15h 16m

C$ 729

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/7

Showing 1-10 of 41 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 13 hours 6 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 and Air Canada.

United Airlines
United Airlines
From C$ 220
Air Canada
Air Canada
From C$ 358
Alaska Airlines
Alaska Airlines
From C$ 462

What are the cheapest airlines that fly to Ontario?

The cheapest airlines flying from Toronto to Ontario are United 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 9 July 2026.
Get a feel of what it's like to fly with United Airlines 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
9,948 reviews
Check prices

Overall

7.4

Crew

8.1

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Food

6.7

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
9,948 reviews
United Airlines
7.4
Good
9,948 reviews
Check prices

Overall

7.4

Crew

8.1

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Food

6.7

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, United 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$ 267, while round-trip flights cost around C$ 253.

  • 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 1 minute).

  • 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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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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