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C$ 175+ 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 15/1. Fares are subject to change and may not be available on all flights or dates of travel.
— ONT
21 Jan — 28 Jan1
1 adult
1 adult, Economy, 0 bags

Flights to Ontario in 2025

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 22 December 2025.

Sun 21/124:45 p.m.YYZ - ONT
1 stop10h 29mMultiple Airlines
Sun 25/18:27 p.m.ONT - YYZ
1 stop7h 20mMultiple Airlines
Deal found 20/12C$ 832
Mon 29/128:05 a.m.YYZ - ONT
1 stop12h 38mUnited Airlines
Fri 30/15:05 a.m.ONT - YYZ
1 stop6h 57mUnited Airlines
Deal found 21/12C$ 899
Fri 26/1212:05 p.m.YYZ - ONT
1 stop13h 20mUnited Airlines
Sun 11/15:05 a.m.ONT - YYZ
1 stop10h 30mUnited Airlines
Deal found 19/12C$ 900
Sat 27/126:05 a.m.YYZ - ONT
2 stops16h 45mDelta
Tue 6/112:41 p.m.ONT - YYZ
2 stops21h 43mDelta
Deal found 20/12C$ 927
Wed 31/1212:09 p.m.YYZ - ONT
2 stops13h 24mDelta
Mon 5/16:00 a.m.ONT - YYZ
2 stops14h 13mDelta
Deal found 21/12C$ 928
Sat 27/1212:09 p.m.YYZ - ONT
2 stops14h 14mDelta
Mon 5/110:30 p.m.ONT - YYZ
2 stops14h 42mDelta
Deal found 20/12C$ 929
Sun 21/125:30 p.m.YYZ - ONT
1 stop7h 55mUnited Airlines
Sun 11/15:05 a.m.ONT - YYZ
1 stop6h 57mUnited Airlines
Deal found 21/12C$ 940
Tue 30/128:05 a.m.YYZ - ONT
1 stop12h 38mUnited Airlines
Tue 6/15:05 a.m.ONT - YYZ
1 stop10h 30mUnited Airlines
Deal found 20/12C$ 1,002
Wed 31/122:15 p.m.YYZ - ONT
1 stop11h 10mUnited Airlines
Sun 4/15:05 a.m.ONT - YYZ
1 stop10h 30mUnited Airlines
Deal found 19/12C$ 1,004
Mon 29/126:05 a.m.YYZ - ONT
2 stops13h 07mDelta
Wed 7/16:00 a.m.ONT - YYZ
2 stops13h 41mDelta
Deal found 20/12C$ 1,006
Sat 27/129:00 a.m.YYZ - ONT
2 stops30h 38mAir Canada
Wed 7/15:05 a.m.ONT - YYZ
1 stop6h 57mAir Canada
Deal found 20/12C$ 1,020
Sun 28/129:00 a.m.YYZ - ONT
2 stops15h 07mAir Canada
Tue 6/15:05 a.m.ONT - YYZ
2 stops15h 15mAir Canada
Deal found 20/12C$ 1,027

Find flight deals to Ontario

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 22 December 2025.

Round-trip from

C$ 332

One-way from

C$ 175

Popular in

December

Cheapest in

May

Average price

C$ 588
20/2-23/2
  • 20/2-23/2
  • 1 total stop
  • 17h 12m total
  • Toronto to Los Angeles
Search Deals
15/1
  • 15/1
  • 1 total stop
  • 14h 37m total
  • Toronto to Ontario
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (C$ 55 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 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 22 December 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

Sun 1/2

8:00 p.m.-12:10 p.m.

1 stop19h 10m

Ontario

Sun 8/2

8:27 p.m.-9:25 p.m.

2 stops21h 58m

C$ 453

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Tue 27/1

4:45 p.m.-8:36 p.m.

1 stop30h 51m

Ontario

Sat 31/1

11:53 a.m.-3:35 p.m.

1 stop24h 42m

C$ 468

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Thu 29/1

4:45 p.m.-11:56 p.m.

1 stop10h 11m

Ontario

Sun 1/2

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

1 stop30h 35m

C$ 479

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Thu 22/1

4:45 p.m.-11:56 p.m.

1 stop10h 11m

Ontario

Thu 29/1

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

1 stop30h 35m

C$ 486

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Thu 22/1

4:45 p.m.-11:56 p.m.

1 stop10h 11m

Ontario

Sat 24/1

4:03 p.m.-3:35 p.m.

1 stop20h 32m

C$ 486

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Tue 27/1

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

2 stops23h 21m

Ontario

Thu 5/2

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

1 stop30h 35m

C$ 496

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Sat 31/1

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

2 stops23h 21m

Ontario

Sat 7/2

4:03 p.m.-3:35 p.m.

1 stop20h 32m

C$ 504

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Sat 7/2

4:45 p.m.-10:59 a.m.

1 stop21h 14m

Ontario

Sat 14/2

6:14 a.m.-3:35 p.m.

1 stop30h 21m

C$ 511

HamiltonOntario

YHM - ONT

YHMONT

Hamilton

Mon 26/1

6:10 p.m.-6:44 p.m.

2 stops27h 34m

Ontario

Thu 29/1

12:42 a.m.-12:25 a.m.

2 stops20h 43m

C$ 1,110

HamiltonOntario

YHM - ONT

YHMONT

Hamilton

Thu 5/2

6:10 p.m.-6:44 p.m.

3 stops27h 34m

Ontario

Thu 12/2

11:02 p.m.-12:25 a.m.

2 stops22h 23m

C$ 1,133

Flights are sorted by cheapest round-trip flights first.

Deals found on 21/12

Showing 1-10 of 21 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 18 hours 12 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$ 369
Air Canada
Air Canada
From C$ 373
Delta
Delta
From C$ 365
Porter Airlines
Porter Airlines
From C$ 274

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 22 December 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
9,106 reviews
Check prices

Overall

7.4

Crew

8.1

Food

6.6

Boarding

7.7

Entertainment

7.1

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
9,106 reviews
United Airlines
7.4
Good
9,106 reviews
Check prices

Overall

7.4

Crew

8.1

Food

6.6

Boarding

7.7

Entertainment

7.1

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
10,551 reviews
United Airlines
7.4
Good
9,106 reviews
Check prices

Overall

7.4

Crew

8.1

Food

6.6

Boarding

7.7

Entertainment

7.1

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.

  • 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 59 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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