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 12 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$ 456 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 11 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, 10,224 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$ 217 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 15m on average. If you fly from Vancouver Intl (another popular airport in Canada) to Los Angeles, then the average flight time is 2h.

C$ 218 Cheap Flights to Ontario in 2026/27

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Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

9:15 a.m. - 10:51 a.m.YVR Vancouver Intl-ONT Ontario

26h 36m1 stop Las Vegas Harry Reid Intl

6:27 p.m. - 4:00 p.m.ONT Ontario-YVR Vancouver Intl

20h 33m2 stops Las Vegas Harry Reid Intl Calgary

C$ 450Multiple Airlines

Mon, 14 Dec - Tue, 12 Jan

5:25 p.m. - 10:17 a.m.YVR Vancouver Intl-ONT Ontario

16h 52m1 stop Seattle/Tacoma Intl

2:13 p.m. - 8:55 p.m.ONT Ontario-YVR Vancouver Intl

6h 42m1 stop Seattle/Tacoma Intl

C$ 453Alaska Airlines

Wed, 28 Oct - Thu, 29 Oct

9:15 a.m. - 10:51 a.m.YVR Vancouver Intl-ONT Ontario

26h 36m1 stop Las Vegas Harry Reid Intl

6:27 p.m. - 5:00 p.m.ONT Ontario-YVR Vancouver Intl

21h 33m1 stop Las Vegas Harry Reid Intl

C$ 453Multiple Airlines

Mon, 14 Dec - Tue, 12 Jan

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$ 474Alaska Airlines

Tue, 13 Oct - Tue, 20 Oct

6:00 a.m. - 8:58 p.m.YYC Calgary-ONT Ontario

15h 58m1 stop Denver Intl

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

15h 48m1 stop Denver Intl

C$ 485United Airlines

Tue, 6 Oct - Tue, 20 Oct

2:00 p.m. - 7:15 p.m.YVR Vancouver Intl-ONT Ontario

6h 15m1 stop San Francisco

6:00 a.m. - 2:43 p.m.ONT Ontario-YVR Vancouver Intl

7h 43m1 stop San Francisco

C$ 509United Airlines

Mon, 2 Nov - Mon, 9 Nov

3:25 p.m. - 8:11 p.m.YVR Vancouver Intl-ONT Ontario

5h 46m1 stop Denver Intl

11:20 a.m. - 9:58 p.m.ONT Ontario-YVR Vancouver Intl

9h 38m1 stop San Francisco

C$ 537Air Canada

Sun, 13 Dec - Tue, 5 Jan

8:00 a.m. - 2:33 p.m.YVR Vancouver Intl-ONT Ontario

7h 33m1 stop San Francisco

1:35 p.m. - 11:19 p.m.ONT Ontario-YVR Vancouver Intl

8h 44m1 stop San Francisco

C$ 545Air Canada

Tue, 3 Nov - Mon, 9 Nov

4:37 p.m. - 4:19 p.m.YVR Vancouver Intl-ONT Ontario

24h 42m1 stop Seattle/Tacoma Intl

7:00 a.m. - 11:40 p.m.ONT Ontario-YVR Vancouver Intl

15h 40m2 stops Seattle/Tacoma Intl Calgary

C$ 612WestJet

Tue, 10 Nov - Wed, 18 Nov

7:45 a.m. - 4:15 p.m.YVR Vancouver Intl-ONT Ontario

9h 30m2 stops Calgary Seattle/Tacoma Intl

7:00 a.m. - 11:12 p.m.ONT Ontario-YVR Vancouver Intl

15h 12m1 stop Seattle/Tacoma Intl

C$ 631WestJet

Wed, 2 Dec - Sat, 5 Dec

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

5h 12m1 stop San Francisco

1:52 p.m. - 8:59 p.m.ONT Ontario-YVR Vancouver Intl

7h 07m1 stop San Francisco

C$ 597United Airlines

Wed, 23 Sep - Wed, 30 Sep

7:00 a.m. - 12:18 p.m.YVR Vancouver Intl-ONT Ontario

5h 18m1 stop San Francisco

6:00 a.m. - 9:19 p.m.ONT Ontario-YVR Vancouver Intl

15h 19m1 stop San Francisco

C$ 597United Airlines

Fri, 25 Sep - Sun, 25 Oct

5:45 p.m. - 10:40 p.m.YVR Vancouver Intl-ONT Ontario

4h 55m1 stop Seattle/Tacoma Intl

7:12 a.m. - 10:58 p.m.ONT Ontario-YVR Vancouver Intl

15h 46m1 stop Portland

C$ 624Multiple Airlines

Tue, 22 Sep - Tue, 29 Sep

5:45 p.m. - 10:40 p.m.YVR Vancouver Intl-ONT Ontario

4h 55m1 stop Seattle/Tacoma Intl

7:12 a.m. - 10:58 p.m.ONT Ontario-YVR Vancouver Intl

15h 46m1 stop Portland

C$ 628Multiple Airlines

Tue, 22 Sep - Tue, 29 Sep

6:00 a.m. - 11:16 a.m.YVR Vancouver Intl-ONT Ontario

5h 16m1 stop Seattle/Tacoma Intl

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

5h 39m1 stop Seattle/Tacoma Intl

C$ 649Alaska Airlines

Fri, 25 Sep - Mon, 28 Sep

8:30 a.m. - 7:03 p.m.YVR Vancouver Intl-ONT Ontario

10h 33m2 stops Portland Seattle/Tacoma Intl

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

4h 53m1 stop Seattle/Tacoma Intl

C$ 660Alaska Airlines

Fri, 25 Sep - Sun, 25 Oct

12:30 p.m. - 8:58 p.m.YYC Calgary-ONT Ontario

9h 28m2 stops Edmonton Denver Intl

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

15h 48m1 stop Denver Intl

C$ 684Air Canada

Sun, 27 Sep - Sun, 4 Oct

9:00 a.m. - 8:01 p.m.YVR Vancouver Intl-ONT Ontario

11h 01m2 stops Calgary San Francisco

1:52 p.m. - 6:47 p.m.ONT Ontario-YVR Vancouver Intl

4h 55m1 stop San Francisco

C$ 713Air Canada

Tue, 22 Sep - Wed, 30 Sep

5:45 p.m. - 10:40 p.m.YVR Vancouver Intl-ONT Ontario

4h 55m1 stop Seattle/Tacoma Intl

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

5h 01m1 stop Seattle/Tacoma Intl

C$ 770WestJet

Tue, 22 Sep - Tue, 29 Sep

3:35 p.m. - 10:40 p.m.YVR Vancouver Intl-ONT Ontario

7h 05m1 stop Seattle/Tacoma Intl

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

5h 01m1 stop Seattle/Tacoma Intl

C$ 770WestJet

Wed, 23 Sep - Tue, 29 Sep

Fly from

Route

Depart

Return

Price

Cheapest round-trip

VancouverOntario

YVR Vancouver Intl - ONT Ontario

YVRONT

Vancouver Intl

Mon 14/12

9:15 a.m.-10:51 a.m.

1 stop26h 36m

Ontario

Tue 12/1

6:27 p.m.-4:00 p.m.

2 stops20h 33m

C$ 450

VancouverOntario

YVR Vancouver Intl - ONT Ontario

YVRONT

Vancouver Intl

Wed 28/10

5:25 p.m.-10:17 a.m.

1 stop16h 52m

Ontario

Thu 29/10

2:13 p.m.-8:55 p.m.

1 stop6h 42m

C$ 453

VancouverOntario

YVR Vancouver Intl - ONT Ontario

YVRONT

Vancouver Intl

Mon 14/12

9:15 a.m.-10:51 a.m.

1 stop26h 36m

Ontario

Tue 12/1

6:27 p.m.-5:00 p.m.

1 stop21h 33m

C$ 453

Quickest round-trip

VancouverOntario

YVR Vancouver Intl - ONT Ontario

YVRONT

Vancouver Intl

Tue 13/10

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

1 stop7h 16m

Ontario

Tue 20/10

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

1 stop4h 50m

C$ 474

CalgaryOntario

YYC Calgary - ONT Ontario

YYCONT

Calgary

Tue 6/10

6:00 a.m.-8:58 p.m.

1 stop15h 58m

Ontario

Tue 20/10

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

1 stop15h 48m

C$ 485

VancouverOntario

YVR Vancouver Intl - ONT Ontario

YVRONT

Vancouver Intl

Mon 2/11

2:00 p.m.-7:15 p.m.

1 stop6h 15m

Ontario

Mon 9/11

6:00 a.m.-2:43 p.m.

1 stop7h 43m

C$ 509

VancouverOntario

YVR Vancouver Intl - ONT Ontario

YVRONT

Vancouver Intl

Sun 13/12

3:25 p.m.-8:11 p.m.

1 stop5h 46m

Ontario

Tue 5/1

11:20 a.m.-9:58 p.m.

1 stop9h 38m

C$ 537

VancouverOntario

YVR Vancouver Intl - ONT Ontario

YVRONT

Vancouver Intl

Tue 3/11

8:00 a.m.-2:33 p.m.

1 stop7h 33m

Ontario

Mon 9/11

1:35 p.m.-11:19 p.m.

1 stop8h 44m

C$ 545

VancouverOntario

YVR Vancouver Intl - ONT Ontario

YVRONT

Vancouver Intl

Tue 10/11

4:37 p.m.-4:19 p.m.

1 stop24h 42m

Ontario

Wed 18/11

7:00 a.m.-11:40 p.m.

2 stops15h 40m

C$ 612

VancouverOntario

YVR Vancouver Intl - ONT Ontario

YVRONT

Vancouver Intl

Wed 2/12

7:45 a.m.-4:15 p.m.

2 stops9h 30m

Ontario

Sat 5/12

7:00 a.m.-11:12 p.m.

1 stop15h 12m

C$ 631

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$ 670. The month of October is another great option to travel to Ontario, with average flight prices from Canada averaging around C$ 670.

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$ 218
Best Round-Trip Price	C$ 450
Fastest flight time	7h 32m

The best one-way flight price to Ontario from Canada in the last 5 days is C$ 218 (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$ 450 (Vancouver Intl to Ontario).

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The fastest flight to Ontario from Canada takes 7h 32m (Victoria Intl 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$ 513. 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$ 82. 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.