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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 18/8. Fares are subject to change and may not be available on all flights or dates of travel.
— ONT
19 Aug — 26 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 20 July 2026.

Sun 30/84:45 p.m.
YYZ
-
ONT
2 stops34h 05m
Multiple Airlines
Sun 6/93:40 p.m.
ONT
-
YYZ
1 stop11h 59m
Multiple Airlines
Deal found 16/7C$ 573
Wed 23/99:45 a.m.
YYZ
-
ONT
1 stop31h 15m
Multiple Airlines
Tue 13/102:58 p.m.
ONT
-
YYZ
2 stops31h 07m
Multiple Airlines
Deal found 15/7C$ 593
Fri 4/98:35 p.m.
YYZ
-
ONT
1 stop14h 28m
Multiple Airlines
Thu 10/92:26 p.m.
ONT
-
YYZ
2 stops23h 44m
Multiple Airlines
Deal found 16/7C$ 608
Tue 8/126:15 a.m.
YYZ
-
ONT
2 stops12h 57m
Delta
Wed 9/1210:59 p.m.
ONT
-
YYZ
2 stops15h 23m
Delta
Deal found 16/7C$ 617
Sat 5/94:18 p.m.
YYZ
-
ONT
1 stop7h 35m
Air Canada
Fri 11/95:00 a.m.
ONT
-
YYZ
1 stop7h 14m
Air Canada
Deal found 17/7C$ 618
Thu 20/81:38 p.m.
YYZ
-
ONT
1 stop11h 14m
Delta
Tue 25/86:00 a.m.
ONT
-
YYZ
1 stop7h 40m
Delta
Deal found 16/7C$ 625
Thu 17/96:00 a.m.
YYZ
-
ONT
2 stops17h 17m
Multiple Airlines
Sun 20/911:16 a.m.
ONT
-
YYZ
1 stop16h 23m
Multiple Airlines
Deal found 17/7C$ 628
Mon 17/86:55 p.m.
YHM
-
ONT
2 stops25h 26m
Multiple Airlines
Thu 27/86:20 a.m.
ONT
-
YHM
3 stops21h 50m
Multiple Airlines
Deal found 15/7C$ 1,025
Thu 13/88:35 p.m.
YHM
-
ONT
3 stops29h 10m
Multiple Airlines
Thu 20/811:56 a.m.
ONT
-
YHM
3 stops24h 12m
Multiple Airlines
Deal found 16/7C$ 1,098
Sun 16/86:55 p.m.
YHM
-
ONT
2 stops25h 26m
Multiple Airlines
Thu 27/811:56 a.m.
ONT
-
YHM
3 stops29h 34m
Multiple Airlines
Deal found 15/7C$ 1,121
Wed 19/86:10 p.m.
YHM
-
ONT
2 stops31h 35m
WestJet
Wed 26/86:20 a.m.
ONT
-
YHM
2 stops31h 55m
WestJet
Deal found 20/7C$ 1,137
Sun 9/86:55 p.m.
YHM
-
ONT
2 stops25h 26m
Multiple Airlines
Tue 11/86:20 a.m.
ONT
-
YHM
2 stops13h 53m
Multiple Airlines
Deal found 19/7C$ 1,138

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 20 July 2026.

Round-trip from

C$ 514

One-way from

C$ 279

Popular in

June

Cheapest in

October

Average price

C$ 642
Air Canada
  • Air Canada
  • 16/11-29/11
  • 1 total stop
  • 15h 26m total
  • Toronto to Los Angeles
Search Deals
18/8
  • 18/8
  • 2 total stops
  • 31h 03m total
  • Toronto to Ontario
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (C$ 108 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 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 20 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
Quickest round-trip

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Sat 5/9

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

1 stop7h 35m

Ontario

Fri 11/9

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

1 stop7h 14m

C$ 655

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Fri 4/9

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

1 stop8h 42m

Ontario

Thu 10/9

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

1 stop7h 14m

C$ 674

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Fri 28/8

5:27 p.m.-10:35 p.m.

1 stop8h 08m

Ontario

Fri 4/9

7:13 p.m.-7:00 a.m.

1 stop8h 47m

C$ 677

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Tue 4/8

11:40 a.m.-7:53 p.m.

1 stop11h 13m

Ontario

Sun 9/8

7:05 a.m.-9:59 p.m.

1 stop11h 54m

C$ 742

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Sat 15/8

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

1 stop8h 42m

Ontario

Tue 18/8

9:15 a.m.-10:36 p.m.

1 stop10h 21m

C$ 800

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Sat 22/8

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

1 stop7h 35m

Ontario

Sun 6/9

5:00 a.m.-3:16 p.m.

1 stop7h 16m

C$ 800

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Thu 12/11

6:00 a.m.-6:28 p.m.

2 stops15h 28m

Ontario

Mon 16/11

7:10 p.m.-10:52 a.m.

2 stops12h 42m

C$ 934

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Thu 17/9

6:46 a.m.-7:03 p.m.

2 stops15h 17m

Ontario

Tue 22/9

7:12 a.m.-10:59 p.m.

2 stops12h 47m

C$ 942

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Thu 27/8

4:55 p.m.-11:24 p.m.

1 stop9h 29m

Ontario

Sun 6/9

7:12 a.m.-10:54 p.m.

2 stops12h 42m

C$ 1,019

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Mon 11/1

4:45 p.m.-10:39 p.m.

1 stop8h 54m

Ontario

Sun 17/1

10:03 a.m.-3:39 p.m.

2 stops26h 36m

C$ 1,021

Flights are sorted by cheapest round-trip flights first.

Deals found on 17/7

Showing 1-10 of 46 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 12 hours 44 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$ 217
Air Canada
Air Canada
From C$ 354
Alaska Airlines
Alaska Airlines
From C$ 457
Delta
Delta
From C$ 504

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 20 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
10,007 reviews
Check prices

Overall

7.4

Crew

8.1

Entertainment

7.1

Comfort

7.3

Boarding

7.7

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
10,007 reviews
United Airlines
7.4
Good
10,007 reviews
Check prices

Overall

7.4

Crew

8.1

Entertainment

7.1

Comfort

7.3

Boarding

7.7

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, 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$ 264, while round-trip flights cost around C$ 250.

  • 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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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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