Which airlines fly to Ontario?

Based on our data, the most popular airlines that fly to Ontario from Canada are WestJet, Air Canada, Porter Airlines and United Airlines. There may also be other airline options depending on where in Canada you’re flying from.

Alaska Airlines Flights to Ontario

Alaska Airlines will jet to Ontario around 13 times in an average week. Where you fly from will dictate what kind of deals you can get for Alaska Airlines, but prices as low as C$ 451 have been found from Vancouver Intl to Ontario. Alaska Airlines has scored 7.9/10 in momondo user reviews.

United Airlines Flights to Ontario

United Airlines flies to Ontario 13 times per week usually, making it a popular airline to fly with, particularly when heading to Ontario from Denver Intl. United Airlines (rating: 7.4, 10,173 reviews) varies in price depending on when and where you want to fly to Ontario from. The best United Airlines ticket price found on momondo to Ontario was from Edmonton (C$ 215 round-trip).

How long does it take to fly to Ontario?

The flight from Canada to Ontario depends on which airports you’re departing from and arriving to, and whether or not you have a layover. If you fly from Toronto Pearson Intl (a popular airport in Canada) to Los Angeles Los Angeles (the most popular airport in Ontario), then the flight time is 5h 15m on average. If you fly from Vancouver Intl (another popular airport in Canada) to Los Angeles Los Angeles, then the average flight time is 2h.

C$ 196 Cheap Flights to Ontario in 2026

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Find the cheapest flights from Canada to Ontario

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:45 p.m. - 8:05 a.m.YYC Calgary-ONT Ontario

14h 20m1 stop Las Vegas Harry Reid Intl

10:35 a.m. - 10:45 p.m.ONT Ontario-YYC Calgary

10h 10m1 stop Las Vegas Harry Reid Intl

C$ 426Multiple Airlines

Fri, 6 Nov - Wed, 11 Nov

6:00 a.m. - 1:16 p.m.YVR Vancouver Intl-ONT Ontario

7h 16m1 stop Seattle/Tacoma Intl

6:02 a.m. - 10:52 a.m.ONT Ontario-YVR Vancouver Intl

4h 50m1 stop Seattle/Tacoma Intl

C$ 453Alaska Airlines

Sat, 3 Oct - Sat, 10 Oct

5:25 p.m. - 11:42 p.m.YVR Vancouver Intl-ONT Ontario

6h 17m1 stop Seattle/Tacoma Intl

6:02 a.m. - 10:55 a.m.ONT Ontario-YVR Vancouver Intl

4h 53m1 stop Seattle/Tacoma Intl

C$ 459Alaska Airlines

Fri, 23 Oct - Sun, 25 Oct

6:00 a.m. - 12:50 p.m.YYC Calgary-ONT Ontario

7h 50m1 stop Denver Intl

5:00 a.m. - 1:53 p.m.ONT Ontario-YYC Calgary

7h 53m1 stop Denver Intl

C$ 468United Airlines

Tue, 15 Sep - Sat, 19 Sep

3:22 p.m. - 10:51 p.m.YYC Calgary-ONT Ontario

8h 29m1 stop San Francisco

6:00 a.m. - 12:19 p.m.ONT Ontario-YYC Calgary

5h 19m1 stop San Francisco

C$ 468United Airlines

Fri, 16 Oct - Fri, 23 Oct

7:45 a.m. - 4:35 p.m.YYC Calgary-ONT Ontario

9h 50m1 stop Salt Lake City

1:04 p.m. - 11:06 p.m.ONT Ontario-YYC Calgary

9h 02m1 stop Salt Lake City

C$ 468Delta

Sat, 19 Sep - Sat, 26 Sep

3:15 p.m. - 8:01 p.m.YVR Vancouver Intl-ONT Ontario

4h 46m1 stop San Francisco

1:56 p.m. - 8:59 p.m.ONT Ontario-YVR Vancouver Intl

7h 03m1 stop San Francisco

C$ 475Air Canada

Tue, 15 Sep - Sat, 19 Sep

3:15 p.m. - 10:51 p.m.YVR Vancouver Intl-ONT Ontario

7h 36m1 stop San Francisco

6:00 a.m. - 12:43 p.m.ONT Ontario-YVR Vancouver Intl

6h 43m1 stop San Francisco

C$ 478Air Canada

Fri, 23 Oct - Sun, 25 Oct

3:45 p.m. - 10:43 p.m.YVR Vancouver Intl-ONT Ontario

6h 58m1 stop Seattle/Tacoma Intl

6:20 a.m. - 10:59 p.m.ONT Ontario-YVR Vancouver Intl

16h 39m1 stop Seattle/Tacoma Intl

C$ 550WestJet

Tue, 20 Oct - Wed, 21 Oct

3:45 p.m. - 10:43 p.m.YVR Vancouver Intl-ONT Ontario

6h 58m1 stop Seattle/Tacoma Intl

11:56 a.m. - 12:15 a.m.ONT Ontario-YVR Vancouver Intl

12h 19m2 stops Seattle/Tacoma Intl Calgary

C$ 553WestJet

Tue, 20 Oct - Wed, 21 Oct

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1:40 p.m. - 1:45 p.m.YVR Vancouver Intl-ONT Ontario

24h 05m2 stops Calgary Seattle/Tacoma Intl

5:34 p.m. - 11:59 p.m.ONT Ontario-YVR Vancouver Intl

6h 25m1 stop Seattle/Tacoma Intl

C$ 535Multiple Airlines

Thu, 10 Sep - Sat, 12 Sep

7:00 a.m. - 12:12 p.m.YVR Vancouver Intl-ONT Ontario

5h 12m1 stop San Francisco

6:08 a.m. - 1:12 p.m.ONT Ontario-YVR Vancouver Intl

7h 04m1 stop San Francisco

C$ 576United Airlines

Thu, 10 Sep - Thu, 17 Sep

7:00 a.m. - 8:01 p.m.YVR Vancouver Intl-ONT Ontario

13h 01m1 stop San Francisco

6:08 a.m. - 1:12 p.m.ONT Ontario-YVR Vancouver Intl

7h 04m1 stop San Francisco

C$ 576United Airlines

Wed, 9 Sep - Wed, 16 Sep

3:40 p.m. - 7:36 p.m.YVR Vancouver Intl-ONT Ontario

27h 56m2 stops Calgary San Francisco

2:30 p.m. - 4:15 p.m.ONT Ontario-YVR Vancouver Intl

25h 45m1 stop Las Vegas Harry Reid Intl

C$ 600Multiple Airlines

Wed, 9 Sep - Wed, 16 Sep

11:07 a.m. - 5:19 p.m.YVR Vancouver Intl-ONT Ontario

6h 12m1 stop Seattle/Tacoma Intl

11:54 a.m. - 10:59 p.m.ONT Ontario-YVR Vancouver Intl

11h 05m1 stop Seattle/Tacoma Intl

C$ 652WestJet

Tue, 8 Sep - Tue, 15 Sep

8:05 a.m. - 2:16 p.m.YVR Vancouver Intl-ONT Ontario

6h 11m1 stop Seattle/Tacoma Intl

3:14 p.m. - 8:53 p.m.ONT Ontario-YVR Vancouver Intl

5h 39m1 stop Seattle/Tacoma Intl

C$ 667Alaska Airlines

Tue, 8 Sep - Sun, 13 Sep

6:00 a.m. - 11:04 a.m.YVR Vancouver Intl-ONT Ontario

5h 04m1 stop Seattle/Tacoma Intl

10:47 a.m. - 10:58 p.m.ONT Ontario-YVR Vancouver Intl

12h 11m1 stop Portland

C$ 669Alaska Airlines

Sat, 5 Sep - Tue, 8 Sep

5:00 a.m. - 10:40 p.m.YVR Vancouver Intl-ONT Ontario

17h 40m2 stops Calgary Seattle/Tacoma Intl

11:54 a.m. - 10:59 p.m.ONT Ontario-YVR Vancouver Intl

11h 05m1 stop Seattle/Tacoma Intl

C$ 688WestJet

Tue, 8 Sep - Tue, 15 Sep

3:17 p.m. - 8:53 p.m.YEG Edmonton-ONT Ontario

6h 36m1 stop Denver Intl

1:24 p.m. - 10:04 p.m.ONT Ontario-YEG Edmonton

7h 40m1 stop Denver Intl

C$ 750Air Canada

Thu, 10 Sep - Wed, 30 Sep

8:15 a.m. - 6:11 p.m.YYZ Toronto Pearson Intl-ONT Ontario

12h 56m1 stop San Francisco

6:08 a.m. - 12:01 a.m.ONT Ontario-YYZ Toronto Pearson Intl

14h 53m2 stops San Francisco Edmonton

C$ 866Air Canada

Sun, 6 Sep - Sun, 13 Sep

Fly from

Route

Depart

Return

Price

Cheapest round-trip

CalgaryOntario

YYC Calgary - ONT Ontario

YYCONT

Calgary

Fri 6/11

7:45 p.m.-8:05 a.m.

1 stop14h 20m

Ontario

Wed 11/11

10:35 a.m.-10:45 p.m.

1 stop10h 10m

C$ 426

VancouverOntario

YVR Vancouver Intl - ONT Ontario

YVRONT

Vancouver Intl

Sat 3/10

6:00 a.m.-1:16 p.m.

1 stop7h 16m

Ontario

Sat 10/10

6:02 a.m.-10:52 a.m.

1 stop4h 50m

C$ 453

Quickest round-trip

VancouverOntario

YVR Vancouver Intl - ONT Ontario

YVRONT

Vancouver Intl

Fri 23/10

5:25 p.m.-11:42 p.m.

1 stop6h 17m

Ontario

Sun 25/10

6:02 a.m.-10:55 a.m.

1 stop4h 53m

C$ 459

CalgaryOntario

YYC Calgary - ONT Ontario

YYCONT

Calgary

Tue 15/9

6:00 a.m.-12:50 p.m.

1 stop7h 50m

Ontario

Sat 19/9

5:00 a.m.-1:53 p.m.

1 stop7h 53m

C$ 468

CalgaryOntario

YYC Calgary - ONT Ontario

YYCONT

Calgary

Fri 16/10

3:22 p.m.-10:51 p.m.

1 stop8h 29m

Ontario

Fri 23/10

6:00 a.m.-12:19 p.m.

1 stop5h 19m

C$ 468

CalgaryOntario

YYC Calgary - ONT Ontario

YYCONT

Calgary

Sat 19/9

7:45 a.m.-4:35 p.m.

1 stop9h 50m

Ontario

Sat 26/9

1:04 p.m.-11:06 p.m.

1 stop9h 02m

C$ 468

VancouverOntario

YVR Vancouver Intl - ONT Ontario

YVRONT

Vancouver Intl

Tue 15/9

3:15 p.m.-8:01 p.m.

1 stop4h 46m

Ontario

Sat 19/9

1:56 p.m.-8:59 p.m.

1 stop7h 03m

C$ 475

VancouverOntario

YVR Vancouver Intl - ONT Ontario

YVRONT

Vancouver Intl

Fri 23/10

3:15 p.m.-10:51 p.m.

1 stop7h 36m

Ontario

Sun 25/10

6:00 a.m.-12:43 p.m.

1 stop6h 43m

C$ 478

VancouverOntario

YVR Vancouver Intl - ONT Ontario

YVRONT

Vancouver Intl

Tue 20/10

3:45 p.m.-10:43 p.m.

1 stop6h 58m

Ontario

Wed 21/10

6:20 a.m.-10:59 p.m.

1 stop16h 39m

C$ 550

VancouverOntario

YVR Vancouver Intl - ONT Ontario

YVRONT

Vancouver Intl

Tue 20/10

3:45 p.m.-10:43 p.m.

1 stop6h 58m

Ontario

Wed 21/10

11:56 a.m.-12:15 a.m.

2 stops12h 19m

C$ 553

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

Ontario flights insights and trends

Explore insights for your Ontario flight to craft the best travel plan

Prices

Other information

What is the cheapest month to fly to Ontario?

The month of October is, on average, the cheapest month to fly to Ontario from Canada, with most prices found around C$ 640. The month of February is another great option to travel to Ontario, with average flight prices from Canada averaging around C$ 662.

Cheapest flights to Ontario

Find the cheapest flights to Ontario from your nearest city or airport

Find Flights from Toronto Pearson Intl Airport to Ontario

Cheap Ontario flight deals and tips

Summary info about Ontario flight prices, duration and airlines

Best One-Way Price	C$ 196
Best Round-Trip Price	C$ 426
Fastest flight time	13h 10m

The best one-way flight price to Ontario from Canada in the last 5 days is C$ 196 (Vancouver Intl to Ontario).

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The best round-trip flight price to Ontario from Canada in the last 5 days is C$ 426 (Calgary to Ontario).

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The fastest flight to Ontario from Canada takes 13h 10m (Edmonton to Ontario).

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Frequently asked questions about flying to Ontario

Is there an alternative airport near Ontario?

Ontario Airport, San Bernardino Int Airport, Santa Ana J. Wayne/Orange Cnty Airport, Long Beach Municipal Airport or Burbank Bob Hope Airport can be an alternative airport used for travel to Ontario.

Is there a cheaper alternative to flying into Ontario?

Prices vary based on where travellers are departing from, but on average, the cheapest airport to fly to in Ontario is Ontario Airport where the average price is C$ 295. Users typically find the best prices when using momondo’s Airport-to-Airport Pricing Tool.

What is the absolute cheapest flight to Ontario?

The best deal found on momondo in the last two weeks was a flight to Ontario from Las Vegas for C$ 50. This is 90% cheaper than most flight deals to Ontario. To find the cheapest price to Ontario from your area, use momondo’s Airport-to-Airport Pricing Tool.

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

Prices for flights to Ontario Airport refresh daily.

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

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

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel to Ontario Airport.

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

The travel and health documents you'll need for your trip to Ontario Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ontario Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight to Ontario. momondo saves you time and could save you money on your trip.

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

Yes. momondo enables you to select and highlight flights to Ontario with this policy.

How can momondo help me find flights to Ontario?

momondo provides multiple filters to help you find the best flight to Ontario. Filter by price, airline, airport, cabin, aircraft, payment method, number of stops and more.

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

Yes. momondo can track flight prices for Ontario and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.