Which airlines fly to Ontario?

Based on our data, the most popular airlines that fly to Ontario from Canada are Air Canada, WestJet, 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 14 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$ 364 have been found from Vancouver Intl to Ontario. Alaska Airlines has scored 7.9/10 in momondo user reviews.

Delta Flights to Ontario

Delta flies to Ontario 5 times per week usually, making it a popular airline to fly with, particularly when heading to Ontario from Atlanta Hartsfield-Jackson. Delta (rating: 7.8, 8,699 reviews) varies in price depending on when and where you want to fly to Ontario from. The best Delta ticket price found on momondo to Ontario was from Vancouver Intl (C$ 354 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 55m.

C$ 195 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.

10:00 a.m. - 7:11 p.m.YYC Calgary-ONT Ontario

10h 11m1 stop Las Vegas Harry Reid Intl

10:51 p.m. - 10:40 p.m.ONT Ontario-YYC Calgary

22h 49m2 stops Las Vegas Harry Reid Intl Phoenix Sky Harbor Intl

C$ 340Multiple Airlines

Tue, 1 Dec - Sat, 19 Dec

9:50 a.m. - 7:11 p.m.YYC Calgary-ONT Ontario

10h 21m2 stops Phoenix Sky Harbor Intl Las Vegas Harry Reid Intl

10:51 p.m. - 10:40 p.m.ONT Ontario-YYC Calgary

22h 49m2 stops Las Vegas Harry Reid Intl Phoenix Sky Harbor Intl

C$ 354Multiple Airlines

Tue, 1 Dec - Sat, 19 Dec

7:00 a.m. - 11:13 a.m.YVR Vancouver Intl-ONT Ontario

5h 13m1 stop Seattle/Tacoma Intl

6:00 a.m. - 12:05 p.m.ONT Ontario-YVR Vancouver Intl

5h 05m1 stop Seattle/Tacoma Intl

C$ 470Alaska Airlines

Sat, 5 Dec - Sun, 6 Dec

6:40 p.m. - 11:31 p.m.YVR Vancouver Intl-ONT Ontario

5h 51m1 stop Seattle/Tacoma Intl

6:00 a.m. - 1:35 p.m.ONT Ontario-YVR Vancouver Intl

6h 35m1 stop Seattle/Tacoma Intl

C$ 477Alaska Airlines

Sat, 21 Nov - Thu, 26 Nov

2:00 p.m. - 8:38 p.m.YVR Vancouver Intl-ONT Ontario

7h 38m1 stop San Francisco

4:17 p.m. - 10:19 p.m.ONT Ontario-YVR Vancouver Intl

5h 02m1 stop San Francisco

C$ 483United Airlines

Fri, 11 Dec - Mon, 14 Dec

9:30 a.m. - 9:00 p.m.YVR Vancouver Intl-ONT Ontario

12h 30m1 stop Denver Intl

7:25 a.m. - 1:43 p.m.ONT Ontario-YVR Vancouver Intl

5h 18m1 stop San Francisco

C$ 483United Airlines

Sat, 23 Jan - Sat, 30 Jan

4:37 p.m. - 11:00 p.m.YVR Vancouver Intl-ONT Ontario

7h 23m1 stop Seattle/Tacoma Intl

5:55 p.m. - 11:57 p.m.ONT Ontario-YVR Vancouver Intl

5h 02m1 stop Seattle/Tacoma Intl

C$ 488Delta

Mon, 30 Nov - Mon, 14 Dec

4:45 p.m. - 10:59 p.m.YVR Vancouver Intl-ONT Ontario

7h 14m1 stop Seattle/Tacoma Intl

11:59 a.m. - 10:00 p.m.ONT Ontario-YVR Vancouver Intl

9h 01m1 stop Seattle/Tacoma Intl

C$ 488Delta

Mon, 7 Dec - Thu, 24 Dec

2:00 p.m. - 5:36 p.m.YVR Vancouver Intl-ONT Ontario

4h 36m1 stop San Francisco

6:00 a.m. - 4:35 p.m.ONT Ontario-YVR Vancouver Intl

9h 35m2 stops San Francisco Calgary

C$ 593Air Canada

Wed, 2 Dec - Mon, 14 Dec

2:00 p.m. - 5:36 p.m.YVR Vancouver Intl-ONT Ontario

4h 36m1 stop San Francisco

6:00 a.m. - 6:08 p.m.ONT Ontario-YVR Vancouver Intl

11h 08m1 stop San Francisco

C$ 593Air Canada

Fri, 4 Dec - Tue, 15 Dec

Cheap last-minute flights

Enter your travel dates to find the best prices.

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

4h 42m1 stop Seattle/Tacoma Intl

6:00 a.m. - 12:05 p.m.ONT Ontario-YVR Vancouver Intl

5h 05m1 stop Seattle/Tacoma Intl

C$ 542Alaska Airlines

Sun, 15 Nov - Wed, 18 Nov

1:36 p.m. - 8:51 p.m.YVR Vancouver Intl-ONT Ontario

8h 15m1 stop Denver Intl

4:17 p.m. - 10:19 p.m.ONT Ontario-YVR Vancouver Intl

5h 02m1 stop San Francisco

C$ 553United Airlines

Sun, 15 Nov - Sat, 12 Dec

8:26 a.m. - 5:16 p.m.YVR Vancouver Intl-ONT Ontario

9h 50m1 stop Seattle/Tacoma Intl

11:57 a.m. - 10:16 p.m.ONT Ontario-YVR Vancouver Intl

9h 19m1 stop Seattle/Tacoma Intl

C$ 557Delta

Sun, 15 Nov - Thu, 19 Nov

7:45 a.m. - 12:17 p.m.YVR Vancouver Intl-ONT Ontario

5h 32m1 stop Salt Lake City

11:57 a.m. - 7:55 p.m.ONT Ontario-YVR Vancouver Intl

6h 58m1 stop Seattle/Tacoma Intl

C$ 557Delta

Sat, 14 Nov - Fri, 20 Nov

2:00 p.m. - 8:15 p.m.YVR Vancouver Intl-ONT Ontario

7h 15m1 stop San Francisco

9:25 a.m. - 5:19 p.m.ONT Ontario-YVR Vancouver Intl

6h 54m1 stop San Francisco

C$ 557United Airlines

Fri, 13 Nov - Tue, 24 Nov

6:40 p.m. - 9:52 a.m.YVR Vancouver Intl-ONT Ontario

16h 12m2 stops Seattle/Tacoma Intl Portland

4:09 p.m. - 11:44 p.m.ONT Ontario-YVR Vancouver Intl

6h 35m1 stop Seattle/Tacoma Intl

C$ 571Alaska Airlines

Sun, 15 Nov - Wed, 18 Nov

7:00 a.m. - 7:30 p.m.YVR Vancouver Intl-ONT Ontario

13h 30m1 stop San Francisco

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

17h 20m2 stops Las Vegas Harry Reid Intl Calgary

C$ 655Multiple Airlines

Fri, 13 Nov - Tue, 24 Nov

8:00 a.m. - 12:29 p.m.YVR Vancouver Intl-ONT Ontario

5h 29m1 stop San Francisco

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

8h 59m1 stop Denver Intl

C$ 676Air Canada

Thu, 12 Nov - Thu, 19 Nov

8:00 a.m. - 12:29 p.m.YVR Vancouver Intl-ONT Ontario

5h 29m1 stop San Francisco

4:17 p.m. - 10:19 p.m.ONT Ontario-YVR Vancouver Intl

5h 02m1 stop San Francisco

C$ 720Air Canada

Thu, 12 Nov - Thu, 12 Nov

7:35 a.m. - 9:05 a.m.YYZ Toronto Pearson Intl-ONT Ontario

28h 30m3 stops Fort Lauderdale Chicago O'Hare Intl Las Vegas Harry Reid Intl

2:00 p.m. - 6:52 a.m.ONT Ontario-YYZ Toronto Pearson Intl

13h 52m1 stop Las Vegas Harry Reid Intl

C$ 816Multiple Airlines

Fri, 13 Nov - Thu, 3 Dec

Fly from

Route

Depart

Return

Price

Cheapest round-trip

CalgaryOntario

YYC Calgary - ONT Ontario

YYCONT

Calgary

Tue 1/12

10:00 a.m.-7:11 p.m.

1 stop10h 11m

Ontario

Sat 19/12

10:51 p.m.-10:40 p.m.

2 stops22h 49m

C$ 340

CalgaryOntario

YYC Calgary - ONT Ontario

YYCONT

Calgary

Tue 1/12

9:50 a.m.-7:11 p.m.

2 stops10h 21m

Ontario

Sat 19/12

10:51 p.m.-10:40 p.m.

2 stops22h 49m

C$ 354

Quickest round-trip

VancouverOntario

YVR Vancouver Intl - ONT Ontario

YVRONT

Vancouver Intl

Sat 5/12

7:00 a.m.-11:13 a.m.

1 stop5h 13m

Ontario

Sun 6/12

6:00 a.m.-12:05 p.m.

1 stop5h 05m

C$ 470

VancouverOntario

YVR Vancouver Intl - ONT Ontario

YVRONT

Vancouver Intl

Sat 21/11

6:40 p.m.-11:31 p.m.

1 stop5h 51m

Ontario

Thu 26/11

6:00 a.m.-1:35 p.m.

1 stop6h 35m

C$ 477

VancouverOntario

YVR Vancouver Intl - ONT Ontario

YVRONT

Vancouver Intl

Fri 11/12

2:00 p.m.-8:38 p.m.

1 stop7h 38m

Ontario

Mon 14/12

4:17 p.m.-10:19 p.m.

1 stop5h 02m

C$ 483

VancouverOntario

YVR Vancouver Intl - ONT Ontario

YVRONT

Vancouver Intl

Sat 23/1

9:30 a.m.-9:00 p.m.

1 stop12h 30m

Ontario

Sat 30/1

7:25 a.m.-1:43 p.m.

1 stop5h 18m

C$ 483

VancouverOntario

YVR Vancouver Intl - ONT Ontario

YVRONT

Vancouver Intl

Mon 30/11

4:37 p.m.-11:00 p.m.

1 stop7h 23m

Ontario

Mon 14/12

5:55 p.m.-11:57 p.m.

1 stop5h 02m

C$ 488

VancouverOntario

YVR Vancouver Intl - ONT Ontario

YVRONT

Vancouver Intl

Mon 7/12

4:45 p.m.-10:59 p.m.

1 stop7h 14m

Ontario

Thu 24/12

11:59 a.m.-10:00 p.m.

1 stop9h 01m

C$ 488

VancouverOntario

YVR Vancouver Intl - ONT Ontario

YVRONT

Vancouver Intl

Wed 2/12

2:00 p.m.-5:36 p.m.

1 stop4h 36m

Ontario

Mon 14/12

6:00 a.m.-4:35 p.m.

2 stops9h 35m

C$ 593

VancouverOntario

YVR Vancouver Intl - ONT Ontario

YVRONT

Vancouver Intl

Fri 4/12

2:00 p.m.-5:36 p.m.

1 stop4h 36m

Ontario

Tue 15/12

6:00 a.m.-6:08 p.m.

1 stop11h 08m

C$ 593

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$ 676. The month of October is another great option to travel to Ontario, with average flight prices from Canada averaging around C$ 676.

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$ 195
Best Round-Trip Price	C$ 340
Fastest flight time	10h 41m

The best one-way flight price to Ontario from Canada in the last 5 days is C$ 195 (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$ 340 (Calgary to Ontario).

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The fastest flight to Ontario from Canada takes 10h 41m (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 Hollywood Burbank 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$ 577. 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 San Francisco for C$ 82. This is 87% 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 November 2026, there are 8 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.