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$ 450 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 12 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, 10,194 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$ 214 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 04m 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$ 207 Cheap Flights to Ontario in 2026

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Find the cheapest flights from Canada to Ontario

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One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

9:40 a.m. - 4:59 p.m.YVR Vancouver Intl-ONT Ontario

7h 19m1 stop Las Vegas Harry Reid Intl

5:25 p.m. - 7:25 p.m.ONT Ontario-YVR Vancouver Intl

26h 00m2 stops Las Vegas Harry Reid Intl Calgary

C$ 414Multiple Airlines

Tue, 6 Oct - Tue, 13 Oct

3:40 p.m. - 11:16 a.m.YVR Vancouver Intl-ONT Ontario

19h 36m2 stops Calgary Las Vegas Harry Reid Intl

5:25 p.m. - 4:15 p.m.ONT Ontario-YVR Vancouver Intl

22h 50m1 stop Las Vegas Harry Reid Intl

C$ 415Multiple Airlines

Sat, 17 Oct - Wed, 21 Oct

11:50 a.m. - 6:00 p.m.YVR Vancouver Intl-ONT Ontario

6h 10m1 stop Seattle/Tacoma Intl

6:56 p.m. - 11:55 p.m.ONT Ontario-YVR Vancouver Intl

4h 59m1 stop Seattle/Tacoma Intl

C$ 434Alaska Airlines

Tue, 20 Oct - Fri, 30 Oct

7:00 a.m. - 10:09 a.m.YVR Vancouver Intl-ONT Ontario

4h 09m1 stop Seattle/Tacoma Intl

4:00 p.m. - 12:45 a.m.ONT Ontario-YVR Vancouver Intl

7h 45m1 stop Seattle/Tacoma Intl

C$ 434Alaska Airlines

Wed, 24 Feb - Wed, 24 Feb

12:25 p.m. - 4:47 p.m.YVR Vancouver Intl-ONT Ontario

5h 22m1 stop San Francisco

6:00 a.m. - 12:26 p.m.ONT Ontario-YVR Vancouver Intl

5h 26m1 stop San Francisco

C$ 448Air Canada

Mon, 1 Mar - Thu, 4 Mar

1:35 p.m. - 7:20 p.m.YVR Vancouver Intl-ONT Ontario

6h 45m1 stop Denver Intl

1:33 p.m. - 9:58 p.m.ONT Ontario-YVR Vancouver Intl

7h 25m1 stop San Francisco

C$ 448Air Canada

Wed, 10 Feb - Sat, 13 Feb

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

6h 38m1 stop Denver Intl

6:00 a.m. - 1:12 p.m.ONT Ontario-YVR Vancouver Intl

7h 12m1 stop San Francisco

C$ 465United Airlines

Wed, 30 Sep - Fri, 2 Oct

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

15h 58m1 stop Denver Intl

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

5h 26m1 stop San Francisco

C$ 481United Airlines

Sun, 11 Oct - Sun, 25 Oct

8:33 a.m. - 4:26 p.m.YVR Vancouver Intl-ONT Ontario

8h 53m1 stop Seattle/Tacoma Intl

12:04 p.m. - 11:23 p.m.ONT Ontario-YVR Vancouver Intl

10h 19m1 stop Seattle/Tacoma Intl

C$ 546WestJet

Fri, 13 Nov - Sun, 15 Nov

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

24h 42m1 stop Seattle/Tacoma Intl

7:00 a.m. - 12:56 a.m.ONT Ontario-YVR Vancouver Intl

16h 56m1 stop Seattle/Tacoma Intl

C$ 572WestJet

Tue, 10 Nov - Wed, 18 Nov

Cheap last-minute flights

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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$ 578Delta

Sat, 12 Sep - Sat, 19 Sep

1:41 p.m. - 8:01 p.m.YYC Calgary-ONT Ontario

7h 20m1 stop San Francisco

1:18 p.m. - 9:48 p.m.ONT Ontario-YYC Calgary

7h 30m1 stop Denver Intl

C$ 583United Airlines

Sat, 12 Sep - Sat, 19 Sep

2:20 p.m. - 8:53 p.m.YVR Vancouver Intl-ONT Ontario

6h 33m1 stop Denver Intl

6:06 a.m. - 10:48 a.m.ONT Ontario-YVR Vancouver Intl

4h 42m1 stop San Francisco

C$ 587United Airlines

Mon, 14 Sep - Mon, 28 Sep

6:15 a.m. - 11:14 a.m.YVR Vancouver Intl-ONT Ontario

4h 59m1 stop Seattle/Tacoma Intl

6:00 p.m. - 10:59 p.m.ONT Ontario-YVR Vancouver Intl

4h 59m1 stop Seattle/Tacoma Intl

C$ 591Delta

Tue, 15 Sep - Sat, 19 Sep

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

6h 36m1 stop Denver Intl

1:18 p.m. - 10:04 p.m.ONT Ontario-YEG Edmonton

7h 46m1 stop Denver Intl

C$ 604Air Canada

Tue, 15 Sep - Wed, 23 Sep

11:46 a.m. - 7:03 p.m.YEG Edmonton-ONT Ontario

8h 17m1 stop Seattle/Tacoma Intl

4:50 p.m. - 10:56 a.m.ONT Ontario-YEG Edmonton

17h 06m2 stops Boise Air Term. Gowen Fld Seattle/Tacoma Intl

C$ 654Alaska Airlines

Tue, 15 Sep - Wed, 23 Sep

5:57 p.m. - 9:51 a.m.YEG Edmonton-ONT Ontario

16h 54m2 stops Seattle/Tacoma Intl Portland

4:50 p.m. - 10:56 a.m.ONT Ontario-YEG Edmonton

17h 06m2 stops Boise Air Term. Gowen Fld Seattle/Tacoma Intl

C$ 654Alaska Airlines

Tue, 15 Sep - Wed, 23 Sep

7:00 a.m. - 2:01 p.m.YVR Vancouver Intl-ONT Ontario

7h 01m1 stop San Francisco

6:08 a.m. - 10:48 a.m.ONT Ontario-YVR Vancouver Intl

4h 40m1 stop San Francisco

C$ 666Air Canada

Tue, 15 Sep - Sun, 20 Sep

7:20 a.m. - 10:40 p.m.YVR Vancouver Intl-ONT Ontario

15h 20m1 stop Seattle/Tacoma Intl

6:00 a.m. - 3:55 p.m.ONT Ontario-YVR Vancouver Intl

9h 55m2 stops Seattle/Tacoma Intl Calgary

C$ 753WestJet

Mon, 14 Sep - Sun, 27 Sep

7:20 a.m. - 10:40 p.m.YVR Vancouver Intl-ONT Ontario

15h 20m1 stop Seattle/Tacoma Intl

11:54 a.m. - 10:17 a.m.ONT Ontario-YVR Vancouver Intl

22h 23m1 stop Seattle/Tacoma Intl

C$ 787WestJet

Mon, 14 Sep - Tue, 15 Sep

Fly from

Route

Depart

Return

Price

Cheapest round-trip

VancouverOntario

YVR Vancouver Intl - ONT Ontario

YVRONT

Vancouver Intl

Tue 6/10

9:40 a.m.-4:59 p.m.

1 stop7h 19m

Ontario

Tue 13/10

5:25 p.m.-7:25 p.m.

2 stops26h 00m

C$ 414

VancouverOntario

YVR Vancouver Intl - ONT Ontario

YVRONT

Vancouver Intl

Sat 17/10

3:40 p.m.-11:16 a.m.

2 stops19h 36m

Ontario

Wed 21/10

5:25 p.m.-4:15 p.m.

1 stop22h 50m

C$ 415

VancouverOntario

YVR Vancouver Intl - ONT Ontario

YVRONT

Vancouver Intl

Tue 20/10

11:50 a.m.-6:00 p.m.

1 stop6h 10m

Ontario

Fri 30/10

6:56 p.m.-11:55 p.m.

1 stop4h 59m

C$ 434

VancouverOntario

YVR Vancouver Intl - ONT Ontario

YVRONT

Vancouver Intl

Wed 24/2

7:00 a.m.-10:09 a.m.

1 stop4h 09m

Ontario

Wed 24/2

4:00 p.m.-12:45 a.m.

1 stop7h 45m

C$ 434

Quickest round-trip

VancouverOntario

YVR Vancouver Intl - ONT Ontario

YVRONT

Vancouver Intl

Mon 1/3

12:25 p.m.-4:47 p.m.

1 stop5h 22m

Ontario

Thu 4/3

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

1 stop5h 26m

C$ 448

VancouverOntario

YVR Vancouver Intl - ONT Ontario

YVRONT

Vancouver Intl

Wed 10/2

1:35 p.m.-7:20 p.m.

1 stop6h 45m

Ontario

Sat 13/2

1:33 p.m.-9:58 p.m.

1 stop7h 25m

C$ 448

VancouverOntario

YVR Vancouver Intl - ONT Ontario

YVRONT

Vancouver Intl

Wed 30/9

2:20 p.m.-8:58 p.m.

1 stop6h 38m

Ontario

Fri 2/10

6:00 a.m.-1:12 p.m.

1 stop7h 12m

C$ 465

CalgaryOntario

YYC Calgary - ONT Ontario

YYCONT

Calgary

Sun 11/10

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

1 stop15h 58m

Ontario

Sun 25/10

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

1 stop5h 26m

C$ 481

VancouverOntario

YVR Vancouver Intl - ONT Ontario

YVRONT

Vancouver Intl

Fri 13/11

8:33 a.m.-4:26 p.m.

1 stop8h 53m

Ontario

Sun 15/11

12:04 p.m.-11:23 p.m.

1 stop10h 19m

C$ 546

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.-12:56 a.m.

1 stop16h 56m

C$ 572

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$ 638. The month of February is another great option to travel to Ontario, with average flight prices from Canada averaging around C$ 660.

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$ 207
Best Round-Trip Price	C$ 414
Fastest flight time	10h 40m

The best one-way flight price to Ontario from Canada in the last 5 days is C$ 207 (Calgary to Ontario).

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The best round-trip flight price to Ontario from Canada in the last 5 days is C$ 414 (Vancouver Intl to Ontario).

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The fastest flight to Ontario from Canada takes 10h 40m (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 Ontario Airport where the average price is C$ 278. 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$ 104. This is 78% 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.