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 8 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$ 461 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 17 times per week usually, making it a popular airline to fly with, particularly when heading to Ontario from San Francisco. United Airlines (rating: 7.4, 10,248 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$ 219 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 (the most popular airport in Ontario), then the flight time is 5h 04m on average. If you fly from Vancouver Intl (another popular airport in Canada) to Los Angeles, then the average flight time is 1h 50m.

C$ 215 Cheap Flights to Ontario in 2026/27

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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.

3:20 p.m. - 9:09 a.m.YYC Calgary-ONT Ontario

18h 49m1 stop Las Vegas Harry Reid Intl

2:23 p.m. - 11:15 a.m.ONT Ontario-YYC Calgary

19h 52m2 stops Las Vegas Harry Reid Intl Phoenix Sky Harbor Intl

C$ 443Multiple Airlines

Fri, 23 Oct - Thu, 29 Oct

2:45 p.m. - 7:28 p.m.YYC Calgary-ONT Ontario

5h 43m1 stop San Francisco

12:01 p.m. - 9:25 p.m.ONT Ontario-YYC Calgary

8h 24m1 stop San Francisco

C$ 470Multiple Airlines

Thu, 5 Nov - Mon, 9 Nov

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

8h 29m1 stop San Francisco

6:00 a.m. - 12:26 p.m.ONT Ontario-YYC Calgary

5h 26m1 stop San Francisco

C$ 489United Airlines

Fri, 23 Oct - Sun, 25 Oct

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

8h 29m1 stop San Francisco

5:00 a.m. - 9:48 p.m.ONT Ontario-YYC Calgary

15h 48m1 stop Denver Intl

C$ 506United Airlines

Wed, 14 Oct - Sat, 17 Oct

2:35 p.m. - 6:17 p.m.YVR Vancouver Intl-ONT Ontario

3h 42m1 stop Seattle/Tacoma Intl

4:09 p.m. - 11:45 p.m.ONT Ontario-YVR Vancouver Intl

7h 36m1 stop Seattle/Tacoma Intl

C$ 508Alaska Airlines

Tue, 10 Nov - Fri, 13 Nov

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

6h 17m1 stop Seattle/Tacoma Intl

6:02 a.m. - 12:40 p.m.ONT Ontario-YVR Vancouver Intl

6h 38m1 stop Seattle/Tacoma Intl

C$ 512Alaska Airlines

Fri, 30 Oct - Sat, 31 Oct

12:27 p.m. - 5:16 p.m.YVR Vancouver Intl-ONT Ontario

4h 49m1 stop Seattle/Tacoma Intl

7:00 a.m. - 10:16 p.m.ONT Ontario-YVR Vancouver Intl

15h 16m1 stop Seattle/Tacoma Intl

C$ 588WestJet

Thu, 19 Nov - Sun, 22 Nov

6:15 a.m. - 10:43 p.m.YVR Vancouver Intl-ONT Ontario

16h 28m1 stop Seattle/Tacoma Intl

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

16h 39m1 stop Seattle/Tacoma Intl

C$ 594WestJet

Fri, 9 Oct - Mon, 12 Oct

2:40 p.m. - 8:15 p.m.YVR Vancouver Intl-ONT Ontario

5h 35m1 stop San Francisco

6:00 a.m. - 2:48 p.m.ONT Ontario-YVR Vancouver Intl

8h 48m1 stop San Francisco

C$ 618Air Canada

Wed, 11 Nov - Sun, 15 Nov

8:00 a.m. - 3:24 p.m.YVR Vancouver Intl-ONT Ontario

7h 24m1 stop San Francisco

5:00 a.m. - 2:59 p.m.ONT Ontario-YVR Vancouver Intl

9h 59m1 stop Denver Intl

C$ 618Air Canada

Thu, 26 Nov - Sun, 6 Dec

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

8h 29m1 stop San Francisco

6:07 a.m. - 12:19 p.m.ONT Ontario-YYC Calgary

5h 12m1 stop San Francisco

C$ 560United Airlines

Fri, 2 Oct - Sun, 11 Oct

3:22 p.m. - 8:31 p.m.YYC Calgary-ONT Ontario

6h 09m1 stop San Francisco

6:07 a.m. - 12:19 p.m.ONT Ontario-YYC Calgary

5h 12m1 stop San Francisco

C$ 560United Airlines

Fri, 2 Oct - Thu, 15 Oct

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

9h 50m1 stop Salt Lake City

6:00 a.m. - 11:43 a.m.ONT Ontario-YYC Calgary

4h 43m1 stop Salt Lake City

C$ 620Delta

Wed, 30 Sep - Wed, 14 Oct

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

9h 50m1 stop Salt Lake City

5:03 p.m. - 11:12 p.m.ONT Ontario-YYC Calgary

5h 09m1 stop Salt Lake City

C$ 620Delta

Wed, 30 Sep - Sat, 10 Oct

6:00 a.m. - 11:14 a.m.YVR Vancouver Intl-ONT Ontario

5h 14m1 stop Seattle/Tacoma Intl

2:13 p.m. - 8:53 p.m.ONT Ontario-YVR Vancouver Intl

6h 40m1 stop Seattle/Tacoma Intl

C$ 652Alaska Airlines

Mon, 28 Sep - Mon, 5 Oct

6:00 a.m. - 5:18 p.m.YVR Vancouver Intl-ONT Ontario

11h 18m2 stops Seattle/Tacoma Intl Portland

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

4h 50m1 stop Seattle/Tacoma Intl

C$ 673Alaska Airlines

Wed, 30 Sep - Wed, 7 Oct

6:15 a.m. - 5:19 p.m.YVR Vancouver Intl-ONT Ontario

11h 04m1 stop Seattle/Tacoma Intl

11:54 a.m. - 4:55 p.m.ONT Ontario-YVR Vancouver Intl

5h 01m1 stop Seattle/Tacoma Intl

C$ 745WestJet

Wed, 30 Sep - Sun, 4 Oct

6:15 a.m. - 5:19 p.m.YVR Vancouver Intl-ONT Ontario

11h 04m1 stop Seattle/Tacoma Intl

6:00 a.m. - 4:55 p.m.ONT Ontario-YVR Vancouver Intl

10h 55m1 stop Seattle/Tacoma Intl

C$ 757WestJet

Tue, 29 Sep - Sun, 4 Oct

2:20 p.m. - 8:58 p.m.YVR Vancouver Intl-ONT Ontario

6h 38m1 stop Denver Intl

5:00 a.m. - 11:14 a.m.ONT Ontario-YVR Vancouver Intl

6h 14m1 stop Denver Intl

C$ 798Air Canada

Thu, 1 Oct - Sun, 4 Oct

7:00 a.m. - 3:22 p.m.YVR Vancouver Intl-ONT Ontario

8h 22m1 stop San Francisco

5:00 a.m. - 11:14 a.m.ONT Ontario-YVR Vancouver Intl

6h 14m1 stop Denver Intl

C$ 898Air Canada

Sat, 26 Sep - Sun, 27 Sep

Fly from

Route

Depart

Return

Price

Cheapest round-trip

CalgaryOntario

YYC Calgary - ONT Ontario

YYCONT

Calgary

Fri 23/10

3:20 p.m.-9:09 a.m.

1 stop18h 49m

Ontario

Thu 29/10

2:23 p.m.-11:15 a.m.

2 stops19h 52m

C$ 443

CalgaryOntario

YYC Calgary - ONT Ontario

YYCONT

Calgary

Thu 5/11

2:45 p.m.-7:28 p.m.

1 stop5h 43m

Ontario

Mon 9/11

12:01 p.m.-9:25 p.m.

1 stop8h 24m

C$ 470

CalgaryOntario

YYC Calgary - ONT Ontario

YYCONT

Calgary

Fri 23/10

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

1 stop8h 29m

Ontario

Sun 25/10

6:00 a.m.-12:26 p.m.

1 stop5h 26m

C$ 489

CalgaryOntario

YYC Calgary - ONT Ontario

YYCONT

Calgary

Wed 14/10

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

1 stop8h 29m

Ontario

Sat 17/10

5:00 a.m.-9:48 p.m.

1 stop15h 48m

C$ 506

Quickest round-trip

VancouverOntario

YVR Vancouver Intl - ONT Ontario

YVRONT

Vancouver Intl

Tue 10/11

2:35 p.m.-6:17 p.m.

1 stop3h 42m

Ontario

Fri 13/11

4:09 p.m.-11:45 p.m.

1 stop7h 36m

C$ 508

VancouverOntario

YVR Vancouver Intl - ONT Ontario

YVRONT

Vancouver Intl

Fri 30/10

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

1 stop6h 17m

Ontario

Sat 31/10

6:02 a.m.-12:40 p.m.

1 stop6h 38m

C$ 512

VancouverOntario

YVR Vancouver Intl - ONT Ontario

YVRONT

Vancouver Intl

Thu 19/11

12:27 p.m.-5:16 p.m.

1 stop4h 49m

Ontario

Sun 22/11

7:00 a.m.-10:16 p.m.

1 stop15h 16m

C$ 588

VancouverOntario

YVR Vancouver Intl - ONT Ontario

YVRONT

Vancouver Intl

Fri 9/10

6:15 a.m.-10:43 p.m.

1 stop16h 28m

Ontario

Mon 12/10

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

1 stop16h 39m

C$ 594

VancouverOntario

YVR Vancouver Intl - ONT Ontario

YVRONT

Vancouver Intl

Wed 11/11

2:40 p.m.-8:15 p.m.

1 stop5h 35m

Ontario

Sun 15/11

6:00 a.m.-2:48 p.m.

1 stop8h 48m

C$ 618

VancouverOntario

YVR Vancouver Intl - ONT Ontario

YVRONT

Vancouver Intl

Thu 26/11

8:00 a.m.-3:24 p.m.

1 stop7h 24m

Ontario

Sun 6/12

5:00 a.m.-2:59 p.m.

1 stop9h 59m

C$ 618

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 February is, on average, the cheapest month to fly to Ontario from Canada, with most prices found around C$ 678. The month of October is another great option to travel to Ontario, with average flight prices from Canada averaging around C$ 678.

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$ 215
Best Round-Trip Price	C$ 443
Fastest flight time	5h 43m

The best one-way flight price to Ontario from Canada in the last 5 days is C$ 215 (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$ 443 (Calgary to Ontario).

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The fastest flight to Ontario from Canada takes 5h 43m (Calgary 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 Santa Ana J. Wayne/Orange Cnty Airport where the average price is C$ 519. 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$ 83. This is 86% 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.