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

Qatar Airways and United Airlines are the most popular carriers operating from Ontario to Ontario

What airlines fly to Region of Ontario?

Air Canada, Porter Airlines and United Airlines are the top three most popular airlines that fly to Region of Ontario from Ontario according to our data. Air Canada is the first choice among our users, with 58% of people opting to fly with this airline when traveling to Region of Ontario. Keep in mind that there are 8 different airlines that fly to Region of Ontario 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 Ontario?

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

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

As of November 2026, there are 4 operators available to choose from for flights from Ontario Airport to Ontario.

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ontario Airport to Ontario.

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

The travel and health documents required for your trip to Ontario 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 Ontario. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$137 Cheap Flights from Ontario to Ontario in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Ontario to Ontario

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

2:00 pm - 5:00 amONT Ontario-YYZ Toronto Pearson Intl

12h 00m2 stops Las Vegas Harry Reid Intl Calgary

11:30 am - 6:31 pmYYZ Toronto Pearson Intl-ONT Ontario

10h 01m1 stop Las Vegas Harry Reid Intl

$333Multiple Airlines

Tue, Dec 1 - Tue, Dec 8

8:15 am - 11:55 pmONT Ontario-YYZ Toronto Pearson Intl

12h 40m2 stops Las Vegas Harry Reid Intl Calgary

11:30 am - 6:11 pmYYZ Toronto Pearson Intl-ONT Ontario

9h 41m1 stop Las Vegas Harry Reid Intl

$336Multiple Airlines

Wed, Nov 25 - Tue, Dec 1

1:15 pm - 11:19 amONT Ontario-YYZ Toronto Pearson Intl

19h 04m2 stops Salt Lake City New York John F Kennedy Intl

5:10 pm - 11:07 amYYZ Toronto Pearson Intl-ONT Ontario

20h 57m2 stops New York LaGuardia Atlanta Hartsfield-Jackson

$635Delta

Thu, Nov 26 - Wed, Dec 2

12:18 pm - 11:19 amONT Ontario-YYZ Toronto Pearson Intl

20h 01m2 stops Atlanta Hartsfield-Jackson New York John F Kennedy Intl

6:50 pm - 11:07 amYYZ Toronto Pearson Intl-ONT Ontario

19h 17m2 stops New York LaGuardia Atlanta Hartsfield-Jackson

$635Delta

Thu, Nov 26 - Tue, Dec 1

6:00 am - 4:08 pmONT Ontario-YYZ Toronto Pearson Intl

7h 08m1 stop San Francisco

4:10 pm - 9:11 pmYYZ Toronto Pearson Intl-ONT Ontario

8h 01m1 stop Denver Intl

$649United Airlines

Thu, Nov 19 - Wed, Dec 2

5:00 am - 3:02 pmONT Ontario-YYZ Toronto Pearson Intl

7h 02m1 stop Denver Intl

4:10 pm - 9:11 pmYYZ Toronto Pearson Intl-ONT Ontario

8h 01m1 stop Denver Intl

$649United Airlines

Sun, Nov 22 - Tue, Dec 1

6:00 am - 4:12 pmONT Ontario-YYZ Toronto Pearson Intl

7h 12m1 stop Dallas/Fort Worth

6:10 am - 12:12 pmYYZ Toronto Pearson Intl-ONT Ontario

9h 02m1 stop Dallas/Fort Worth

$649American Airlines

Fri, Nov 27 - Fri, Dec 4

10:30 pm - 11:10 amONT Ontario-YYZ Toronto Pearson Intl

9h 40m1 stop Charlotte Douglas

3:57 pm - 10:12 pmYYZ Toronto Pearson Intl-ONT Ontario

9h 15m1 stop Charlotte Douglas

$670American Airlines

Fri, Nov 13 - Wed, Nov 18

5:00 am - 3:02 pmONT Ontario-YYZ Toronto Pearson Intl

7h 02m1 stop Denver Intl

4:10 pm - 9:11 pmYYZ Toronto Pearson Intl-ONT Ontario

8h 01m1 stop Denver Intl

$689Air Canada

Sun, Nov 22 - Tue, Dec 1

6:27 pm - 7:30 amONT Ontario-YYZ Toronto Pearson Intl

10h 03m1 stop San Francisco

2:55 pm - 9:00 pmYYZ Toronto Pearson Intl-ONT Ontario

9h 05m1 stop Denver Intl

$776Air Canada

Thu, Dec 31 - Fri, Jan 1

Cheap last minute flights

Enter your travel dates to find the best prices.

12:05 am - 6:55 pmONT Ontario-YYZ Toronto Pearson Intl

15h 50m1 stop Guadalajara Miguel Hidal

8:30 pm - 11:39 amYYZ Toronto Pearson Intl-ONT Ontario

18h 09m1 stop Las Vegas Harry Reid Intl

$626Multiple Airlines

Sun, Nov 8 - Mon, Nov 23

12:01 pm - 9:43 pmONT Ontario-YYZ Toronto Pearson Intl

30h 42m1 stop San Francisco

8:30 pm - 9:40 amYYZ Toronto Pearson Intl-ONT Ontario

16h 10m1 stop Las Vegas Harry Reid Intl

$627Multiple Airlines

Mon, Nov 9 - Mon, Nov 16

12:05 am - 6:55 pmONT Ontario-YYZ Toronto Pearson Intl

15h 50m1 stop Guadalajara Miguel Hidal

9:10 am - 7:36 pmYYZ Toronto Pearson Intl-ONT Ontario

13h 26m2 stops Winnipeg Las Vegas Harry Reid Intl

$637Multiple Airlines

Sun, Nov 8 - Thu, Nov 26

7:07 am - 10:56 pmONT Ontario-YYZ Toronto Pearson Intl

12h 49m2 stops Atlanta Hartsfield-Jackson Detroit Metropolitan Wayne County

6:00 am - 11:49 pmYYZ Toronto Pearson Intl-ONT Ontario

20h 49m2 stops New York John F Kennedy Intl Salt Lake City

$898Delta

Sat, Nov 7 - Fri, Nov 13

6:37 pm - 7:30 amONT Ontario-YYZ Toronto Pearson Intl

9h 53m1 stop San Francisco

3:45 pm - 9:40 pmYYZ Toronto Pearson Intl-ONT Ontario

8h 55m1 stop Houston George Bush Intcntl

$926United Airlines

Mon, Nov 9 - Thu, Nov 12

5:00 am - 3:02 pmONT Ontario-YYZ Toronto Pearson Intl

7h 02m1 stop Denver Intl

6:30 am - 12:29 pmYYZ Toronto Pearson Intl-ONT Ontario

8h 59m1 stop San Francisco

$926United Airlines

Fri, Nov 6 - Sun, Nov 8

12:18 pm - 11:57 pmONT Ontario-YYZ Toronto Pearson Intl

8h 39m1 stop Atlanta Hartsfield-Jackson

6:10 pm - 11:49 pmYYZ Toronto Pearson Intl-ONT Ontario

8h 39m2 stops Detroit Metropolitan Wayne County Salt Lake City

$936Delta

Mon, Nov 9 - Thu, Nov 12

6:00 am - 4:15 pmONT Ontario-YYZ Toronto Pearson Intl

7h 15m1 stop Dallas/Fort Worth

6:10 am - 1:32 pmYYZ Toronto Pearson Intl-ONT Ontario

10h 22m1 stop Dallas/Fort Worth

$939American Airlines

Wed, Nov 4 - Wed, Nov 11

7:00 am - 9:44 pmONT Ontario-YYZ Toronto Pearson Intl

11h 44m2 stops Dallas/Fort Worth New York LaGuardia

6:10 am - 11:52 amYYZ Toronto Pearson Intl-ONT Ontario

8h 42m1 stop Dallas/Fort Worth

$949American Airlines

Wed, Nov 4 - Wed, Nov 11

9:25 am - 7:55 pmONT Ontario-YYZ Toronto Pearson Intl

7h 30m1 stop San Francisco

5:10 pm - 10:48 pmYYZ Toronto Pearson Intl-ONT Ontario

8h 38m1 stop San Francisco

$1,055Air Canada

Thu, Nov 5 - Sun, Nov 8

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Alaska Airlines flights from Ontario to Region of Ontario

Our best Alaska Airlines deals on Ontario to Region of Ontario flight tickets

Alaska Airlines

Nov 13

ONT4:09 pmOntario

20h 56m

1 stop

YYZ4:05 pmToronto Pearson Intl

Nov 18

YYZ5:15 pmToronto Pearson Intl

20h 58m

1 stop

ONT11:13 amOntario

$670

Alaska Airlines

Nov 17

ONT4:09 pmOntario

20h 56m

1 stop

YYZ4:05 pmToronto Pearson Intl

Nov 21

YYZ5:15 pmToronto Pearson Intl

9h 16m

1 stop

ONT11:31 pmOntario

$678

Alaska Airlines

Nov 17

ONT12:02 pmOntario

25h 03m

1 stop

YYZ4:05 pmToronto Pearson Intl

Nov 21

YYZ5:15 pmToronto Pearson Intl

9h 16m

1 stop

ONT11:31 pmOntario

$679

United Airlines flights from Ontario to Region of Ontario

Our best United Airlines deals on Ontario to Region of Ontario flight tickets

United Airlines

Nov 17

ONT5:00 amOntario

7h 02m

1 stop

YYZ3:02 pmToronto Pearson Intl

Nov 27

YYZ4:10 pmToronto Pearson Intl

7h 41m

1 stop

ONT8:51 pmOntario

$671

United Airlines

Nov 17

ONT5:00 amOntario

7h 02m

1 stop

YYZ3:02 pmToronto Pearson Intl

Nov 19

YYZ4:10 pmToronto Pearson Intl

7h 41m

1 stop

ONT8:51 pmOntario

$711

United Airlines

Dec 2

ONT1:40 pmOntario

26h 17m

2 stops

YTZ6:57 pmToronto Island

Dec 6

YTZ12:05 pmToronto Island

9h 39m

1 stop

ONT6:44 pmOntario

$796

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioToronto

ONT Ontario - YYZ Toronto Pearson Intl

ONTYYZ

Ontario

Tue 12/1

2:00 pm-5:00 am

2 stops12h 00m

Toronto Pearson Intl

Tue 12/8

11:30 am-6:31 pm

1 stop10h 01m

$333

OntarioToronto

ONT Ontario - YYZ Toronto Pearson Intl

ONTYYZ

Ontario

Wed 11/25

8:15 am-11:55 pm

2 stops12h 40m

Toronto Pearson Intl

Tue 12/1

11:30 am-6:11 pm

1 stop9h 41m

$336

OntarioToronto

ONT Ontario - YYZ Toronto Pearson Intl

ONTYYZ

Ontario

Thu 11/26

1:15 pm-11:19 am

2 stops19h 04m

Toronto Pearson Intl

Wed 12/2

5:10 pm-11:07 am

2 stops20h 57m

$635

OntarioToronto

ONT Ontario - YYZ Toronto Pearson Intl

ONTYYZ

Ontario

Thu 11/26

12:18 pm-11:19 am

2 stops20h 01m

Toronto Pearson Intl

Tue 12/1

6:50 pm-11:07 am

2 stops19h 17m

$635

OntarioToronto

ONT Ontario - YYZ Toronto Pearson Intl

ONTYYZ

Ontario

Thu 11/19

6:00 am-4:08 pm

1 stop7h 08m

Toronto Pearson Intl

Wed 12/2

4:10 pm-9:11 pm

1 stop8h 01m

$649

Quickest round-trip

OntarioToronto

ONT Ontario - YYZ Toronto Pearson Intl

ONTYYZ

Ontario

Sun 11/22

5:00 am-3:02 pm

1 stop7h 02m

Toronto Pearson Intl

Tue 12/1

4:10 pm-9:11 pm

1 stop8h 01m

$649

OntarioToronto

ONT Ontario - YYZ Toronto Pearson Intl

ONTYYZ

Ontario

Fri 11/27

6:00 am-4:12 pm

1 stop7h 12m

Toronto Pearson Intl

Fri 12/4

6:10 am-12:12 pm

1 stop9h 02m

$649

OntarioToronto

ONT Ontario - YYZ Toronto Pearson Intl

ONTYYZ

Ontario

Fri 11/13

10:30 pm-11:10 am

1 stop9h 40m

Toronto Pearson Intl

Wed 11/18

3:57 pm-10:12 pm

1 stop9h 15m

$670

OntarioToronto

ONT Ontario - YYZ Toronto Pearson Intl

ONTYYZ

Ontario

Sun 11/22

5:00 am-3:02 pm

1 stop7h 02m

Toronto Pearson Intl

Tue 12/1

4:10 pm-9:11 pm

1 stop8h 01m

$689

OntarioToronto

ONT Ontario - YYZ Toronto Pearson Intl

ONTYYZ

Ontario

Thu 12/31

6:27 pm-7:30 am

1 stop10h 03m

Toronto Pearson Intl

Fri 1/1

2:55 pm-9:00 pm

1 stop9h 05m

$776

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 Region of Ontario

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 Region of Ontario?

The month of April is, on average, the cheapest month to fly to Region of Ontario from Ontario, with most prices found around $486. If you aren’t able to travel during the month of April, then book flights to Region of Ontario from Ontario during May instead. Flights to Region of Ontario in May, while not as cheap as those in April, still average around $491.

Can stopping save me money on Ontario to Region of Ontario flights?

You could potentially save up to 30% on your flight if you consider stops on a Ontario to Region of Ontario flight.

Cheap Ontario to Region of Ontario flight deals and tips

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

Best Price Found	$137
Fastest flight time	6h 42m
Direct flights	None

The best one-way flight to Region of Ontario from Ontario in the past 72 hours is $137. The best round-trip flight deal from Ontario to Region of Ontario found on momondo in the last 72 hours is $333.

The fastest flight from Ontario to Region of Ontario takes 6h 42m

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

Search flight deals

Frequently asked questions about flying from Ontario to Ontario

When did momondo last update prices for flights from Ontario Airport to Ontario?
Prices for flights from Ontario Airport to Ontario are refreshed on a daily basis.
How many operators does momondo search for flights from Ontario Airport to Ontario?
As of November 2026, there are 4 operators available to choose from for flights from Ontario Airport to Ontario.
How old do you have to be to fly from Ontario Airport to Ontario?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ontario Airport to Ontario.
What documentation or ID do you need to fly to Ontario?
The travel and health documents required for your trip to Ontario 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 Ontario. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Ontario to Region of Ontario

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

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $234	Free Cancellation	Rating 7.8 8,698 reviews	Search Delta flights
Air Canada	PriceFrom $313	Free Cancellation	Rating 7.1 11,857 reviews	Search Air Canada flights
United Airlines	PriceFrom $320	Free Cancellation	Rating 7.3 10,461 reviews	Search United Airlines flights
American Airlines	PriceFrom $492	Free Cancellation	Rating 7.0 12,231 reviews	Search American Airlines flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Ontario to Ontario. Millions of users trust and use momondo every year so you are in good hands.

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

All flight searches from Ontario to Ontario on momondo can be filtered to show those which offer flexible booking policies.

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

momondo helps you find the best flight between Ontario and Ontario 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 Ontario right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Ontario from Ontario. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.