What is the cheapest airline that flies from Ontario to Canada?

Delta, Alaska Airlines, and United Airlines are the most popular carriers operating from Ontario to Canada

What airlines fly to Canada?

WestJet, Air Canada and United Airlines are the top three most popular airlines that fly to Canada from Ontario according to our data. WestJet is the first choice among our users, with 40% of people opting to fly with this airline when traveling to Canada. Keep in mind that there are 10 different airlines that fly to Canada on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Ontario Airport to Canada?

Prices for flights from Ontario Airport to Canada are refreshed on a daily basis.

How many operators does momondo search for flights from Ontario Airport to Canada?

As of September 2026, there are 6 operators available to choose from for flights from Ontario Airport to Canada.

How old do you have to be to fly from Ontario Airport to Canada?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Canada.

What documentation or ID do you need to fly to Canada?

The travel and health documents required for your trip to Canada can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Canada. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$121 Cheap Flights from Ontario to Canada in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Ontario to Canada

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

12:01 pm - 9:40 amONT Ontario-YYC Calgary

20h 39m1 stop San Francisco

7:55 pm - 7:40 pmYYC Calgary-ONT Ontario

24h 45m1 stop San Francisco

$271Multiple Airlines

Thu, Oct 8 - Thu, Oct 22

2:30 pm - 12:15 amONT Ontario-YVR Vancouver Intl

9h 45m2 stops Las Vegas Harry Reid Intl Calgary

9:40 am - 4:30 pmYVR Vancouver Intl-ONT Ontario

6h 50m1 stop Las Vegas Harry Reid Intl

$294Multiple Airlines

Wed, Oct 7 - Tue, Oct 13

7:00 am - 2:35 pmONT Ontario-YVR Vancouver Intl

6h 35m1 stop Seattle/Tacoma Intl

7:00 am - 9:38 amYVR Vancouver Intl-ONT Ontario

3h 38m1 stop Seattle/Tacoma Intl

$352Alaska Airlines

Fri, Jan 29 - Sun, Jan 31

4:00 pm - 12:45 amONT Ontario-YVR Vancouver Intl

7h 45m1 stop Seattle/Tacoma Intl

7:00 am - 10:09 amYVR Vancouver Intl-ONT Ontario

4h 09m1 stop Seattle/Tacoma Intl

$352Alaska Airlines

Sat, Feb 27 - Sat, Mar 6

5:03 pm - 11:12 pmONT Ontario-YYC Calgary

5h 09m1 stop Salt Lake City

3:30 pm - 8:15 pmYYC Calgary-ONT Ontario

5h 45m1 stop San Francisco

$389Air Canada

Sat, Oct 17 - Mon, Oct 26

1:35 pm - 11:10 pmONT Ontario-YYC Calgary

8h 35m1 stop Salt Lake City

6:35 am - 12:36 pmYYC Calgary-ONT Ontario

7h 01m1 stop Salt Lake City

$395Delta

Fri, Oct 16 - Tue, Oct 20

6:00 am - 11:43 amONT Ontario-YYC Calgary

4h 43m1 stop Salt Lake City

6:35 am - 12:36 pmYYC Calgary-ONT Ontario

7h 01m1 stop Salt Lake City

$395Delta

Thu, Oct 8 - Thu, Oct 22

1:24 pm - 9:48 pmONT Ontario-YYC Calgary

7h 24m1 stop Denver Intl

3:22 pm - 8:31 pmYYC Calgary-ONT Ontario

6h 09m1 stop San Francisco

$425United Airlines

Fri, Oct 16 - Mon, Oct 19

5:00 am - 1:53 pmONT Ontario-YYC Calgary

7h 53m1 stop Denver Intl

3:22 pm - 10:51 pmYYC Calgary-ONT Ontario

8h 29m1 stop San Francisco

$425United Airlines

Thu, Oct 15 - Sun, Oct 18

5:00 am - 1:53 pmONT Ontario-YYC Calgary

7h 53m1 stop Denver Intl

3:30 pm - 8:15 pmYYC Calgary-ONT Ontario

5h 45m1 stop San Francisco

$429Air Canada

Sat, Oct 17 - Mon, Oct 26

Cheap last minute flights

Enter your travel dates to find the best prices.

6:02 am - 10:52 amONT Ontario-YVR Vancouver Intl

4h 50m1 stop Seattle/Tacoma Intl

6:00 am - 11:16 amYVR Vancouver Intl-ONT Ontario

5h 16m1 stop Seattle/Tacoma Intl

$454Alaska Airlines

Tue, Sep 22 - Wed, Sep 30

12:12 pm - 10:58 pmONT Ontario-YVR Vancouver Intl

10h 46m2 stops Seattle/Tacoma Intl Portland

6:00 am - 11:16 amYVR Vancouver Intl-ONT Ontario

5h 16m1 stop Seattle/Tacoma Intl

$459Alaska Airlines

Tue, Sep 22 - Wed, Sep 30

12:07 pm - 4:15 pmONT Ontario-YVR Vancouver Intl

28h 08m2 stops San Francisco Las Vegas Harry Reid Intl

3:30 pm - 7:36 pmYVR Vancouver Intl-ONT Ontario

28h 06m1 stop San Francisco

$462Multiple Airlines

Thu, Sep 17 - Wed, Sep 23

1:04 pm - 11:06 pmONT Ontario-YYC Calgary

9h 02m1 stop Salt Lake City

7:45 am - 4:35 pmYYC Calgary-ONT Ontario

9h 50m1 stop Salt Lake City

$481Delta

Mon, Sep 21 - Tue, Sep 29

1:04 pm - 11:06 pmONT Ontario-YYC Calgary

9h 02m1 stop Salt Lake City

7:45 am - 4:35 pmYYC Calgary-ONT Ontario

9h 50m1 stop Salt Lake City

$481Delta

Sun, Sep 20 - Tue, Sep 29

12:55 am - 9:00 pmONT Ontario-YVR Vancouver Intl

20h 05m1 stop Guadalajara Miguel Hidal

3:30 pm - 7:36 pmYVR Vancouver Intl-ONT Ontario

28h 06m1 stop San Francisco

$537Multiple Airlines

Wed, Sep 16 - Wed, Sep 23

5:00 am - 6:18 pmONT Ontario-YVR Vancouver Intl

13h 18m1 stop Denver Intl

7:00 am - 12:18 pmYVR Vancouver Intl-ONT Ontario

5h 18m1 stop San Francisco

$577Air Canada

Sun, Sep 20 - Sun, Sep 27

5:00 am - 1:53 pmONT Ontario-YYC Calgary

7h 53m1 stop Denver Intl

6:00 am - 12:50 pmYYC Calgary-ONT Ontario

7h 50m1 stop Denver Intl

$602United Airlines

Sat, Sep 19 - Tue, Sep 22

5:00 am - 10:04 pmONT Ontario-YEG Edmonton

16h 04m1 stop Denver Intl

3:17 pm - 8:58 pmYEG Edmonton-ONT Ontario

6h 41m1 stop Denver Intl

$623United Airlines

Sun, Sep 20 - Wed, Sep 30

6:08 am - 12:19 pmONT Ontario-YYC Calgary

5h 11m1 stop San Francisco

3:22 pm - 10:59 pmYYC Calgary-ONT Ontario

8h 37m1 stop San Francisco

$719Air Canada

Sun, Sep 20 - Mon, Sep 28

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American Airlines flights from Ontario to Canada

Our best American Airlines deals on Ontario to Canada flight tickets

American Airlines

Oct 29

ONT4:29 pmOntario

17h 38m

2 stops

YQB1:07 pmQuébec City

Nov 5

YQB2:00 pmQuébec City

21h 39m

2 stops

ONT8:39 amOntario

$540

American Airlines

Oct 30

ONT4:29 pmOntario

17h 38m

2 stops

YQB1:07 pmQuébec City

Nov 6

YQB2:00 pmQuébec City

25h 38m

2 stops

ONT12:38 pmOntario

$542

American Airlines

Sep 30

ONT7:20 amOntario

7h 00m

1 stop

YYZ5:20 pmToronto Pearson Intl

Oct 6

YYZ6:46 amToronto Pearson Intl

8h 07m

1 stop

ONT11:53 amOntario

$574

Air Canada flights from Ontario to Canada

Our best Air Canada deals on Ontario to Canada flight tickets

Air Canada

Oct 17

ONT5:03 pmOntario

5h 09m

1 stop

YYC11:12 pmCalgary

Oct 26

YYC3:30 pmCalgary

5h 45m

1 stop

ONT8:15 pmOntario

$389

Air Canada

Oct 30

ONT1:35 pmOntario

23h 01m

3 stops

YYZ3:36 pmToronto Pearson Intl

Nov 6

YYZ7:26 pmToronto Pearson Intl

18h 40m

2 stops

ONT11:06 amOntario

$478

Air Canada

Sep 28

ONT1:24 pmOntario

7h 24m

1 stop

YYC9:48 pmCalgary

Oct 2

YYC6:00 amCalgary

7h 46m

1 stop

ONT12:46 pmOntario

$482

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioCalgary

ONT Ontario - YYC Calgary

ONTYYC

Ontario

Thu 10/8

12:01 pm-9:40 am

1 stop20h 39m

Calgary

Thu 10/22

7:55 pm-7:40 pm

1 stop24h 45m

$271

OntarioVancouver

ONT Ontario - YVR Vancouver Intl

ONTYVR

Ontario

Wed 10/7

2:30 pm-12:15 am

2 stops9h 45m

Vancouver Intl

Tue 10/13

9:40 am-4:30 pm

1 stop6h 50m

$294

Quickest round-trip

OntarioVancouver

ONT Ontario - YVR Vancouver Intl

ONTYVR

Ontario

Fri 1/29

7:00 am-2:35 pm

1 stop6h 35m

Vancouver Intl

Sun 1/31

7:00 am-9:38 am

1 stop3h 38m

$352

OntarioVancouver

ONT Ontario - YVR Vancouver Intl

ONTYVR

Ontario

Sat 2/27

4:00 pm-12:45 am

1 stop7h 45m

Vancouver Intl

Sat 3/6

7:00 am-10:09 am

1 stop4h 09m

$352

OntarioCalgary

ONT Ontario - YYC Calgary

ONTYYC

Ontario

Sat 10/17

5:03 pm-11:12 pm

1 stop5h 09m

Calgary

Mon 10/26

3:30 pm-8:15 pm

1 stop5h 45m

$389

OntarioCalgary

ONT Ontario - YYC Calgary

ONTYYC

Ontario

Fri 10/16

1:35 pm-11:10 pm

1 stop8h 35m

Calgary

Tue 10/20

6:35 am-12:36 pm

1 stop7h 01m

$395

OntarioCalgary

ONT Ontario - YYC Calgary

ONTYYC

Ontario

Thu 10/8

6:00 am-11:43 am

1 stop4h 43m

Calgary

Thu 10/22

6:35 am-12:36 pm

1 stop7h 01m

$395

OntarioCalgary

ONT Ontario - YYC Calgary

ONTYYC

Ontario

Fri 10/16

1:24 pm-9:48 pm

1 stop7h 24m

Calgary

Mon 10/19

3:22 pm-8:31 pm

1 stop6h 09m

$425

OntarioCalgary

ONT Ontario - YYC Calgary

ONTYYC

Ontario

Thu 10/15

5:00 am-1:53 pm

1 stop7h 53m

Calgary

Sun 10/18

3:22 pm-10:51 pm

1 stop8h 29m

$425

OntarioCalgary

ONT Ontario - YYC Calgary

ONTYYC

Ontario

Sat 10/17

5:00 am-1:53 pm

1 stop7h 53m

Calgary

Mon 10/26

3:30 pm-8:15 pm

1 stop5h 45m

$429

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Ontario to Canada

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Canada?

If you aren’t able to travel during the month of February, then book flights to Canada from Ontario during January instead. Flights to Canada in January, while not as cheap as those in February, still average around $382.

Can stopping save me money on Ontario to Canada flights?

You could potentially save up to 35% on your flight if you consider stops on a Ontario to Canada flight.

Cheap Ontario to Canada flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to Canada

Best Price Found	$121
Fastest flight time	4h 40m
Direct flights	None

The best one-way flight to Canada from Ontario in the past 72 hours is $121. The best round-trip flight deal from Ontario to Canada found on momondo in the last 72 hours is $271.

The fastest flight from Ontario to Canada takes 4h 40m

There are no direct flights from Ontario to Canada. There are no popular flight routes from Ontario to Canada.

Search flight deals

Frequently asked questions about flying from Ontario to Canada

When did momondo last update prices for flights from Ontario Airport to Canada?
Prices for flights from Ontario Airport to Canada are refreshed on a daily basis.
How many operators does momondo search for flights from Ontario Airport to Canada?
As of September 2026, there are 6 operators available to choose from for flights from Ontario Airport to Canada.
How old do you have to be to fly from Ontario Airport to Canada?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Canada.
What documentation or ID do you need to fly to Canada?
The travel and health documents required for your trip to Canada can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Canada. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Ontario to Canada

Compare and see reviews for airlines that fly from Ontario to Canada with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $132	Free Cancellation	Rating 7.8 8,571 reviews	Search Delta flights
Air Canada	PriceFrom $177	Free Cancellation	Rating 7.1 11,631 reviews	Search Air Canada flights
WestJet	PriceFrom $242	Free Cancellation	Rating 7.2 3,445 reviews	Search WestJet flights
United Airlines	PriceFrom $287	Free Cancellation	Rating 7.4 10,209 reviews	Search United Airlines flights
Alaska Airlines	PriceFrom $372	Free Cancellation	Rating 7.9 12,932 reviews	Search Alaska Airlines flights
American Airlines	PriceFrom $436	Free Cancellation	Rating 7.1 12,061 reviews	Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Canada?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Canada from Ontario.

Can I find flights from Ontario to Canada with flexible booking policies on momondo?

Flights from Ontario to Canada with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Ontario to Canada?

momondo helps you find the best flight between Ontario and Canada by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Ontario to Canada right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Ontario to Canada now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Canada and let you know when they change.