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 11 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 14 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, 10,121 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 12m on average. If you fly from Vancouver Intl (another popular airport in Canada) to Los Angeles Los Angeles, then the average flight time is 1h 55m.

C$ 198 Cheap Flights to Ontario in 2026

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Early arrival? Instantly customize your results

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

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. - 7:40 p.m.YYC Calgary-ONT Ontario

10h 40m1 stop San Francisco

12:01 p.m. - 9:40 a.m.ONT Ontario-YYC Calgary

20h 39m1 stop San Francisco

C$ 409Multiple Airlines

Mon, 19 Oct - Thu, 22 Oct

5:00 a.m. - 10:30 a.m.YVR Vancouver Intl-ONT Ontario

29h 30m2 stops Calgary Denver Intl

8:24 p.m. - 4:15 p.m.ONT Ontario-YVR Vancouver Intl

19h 51m1 stop Las Vegas Harry Reid Intl

C$ 411Multiple Airlines

Mon, 21 Sep - Mon, 28 Sep

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

4h 46m1 stop San Francisco

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

13h 18m1 stop Denver Intl

C$ 429United Airlines

Tue, 22 Sep - Thu, 24 Sep

2:00 p.m. - 4:56 p.m.YVR Vancouver Intl-ONT Ontario

3h 56m1 stop San Francisco

5:00 a.m. - 3:59 p.m.ONT Ontario-YVR Vancouver Intl

9h 59m1 stop Denver Intl

C$ 429United Airlines

Mon, 23 Nov - Wed, 25 Nov

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

7h 16m1 stop Seattle/Tacoma Intl

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

6h 42m1 stop Seattle/Tacoma Intl

C$ 440Alaska Airlines

Wed, 14 Oct - Wed, 28 Oct

3:20 p.m. - 11:42 p.m.YVR Vancouver Intl-ONT Ontario

8h 22m1 stop Seattle/Tacoma Intl

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

6h 38m1 stop Seattle/Tacoma Intl

C$ 455Alaska Airlines

Thu, 22 Oct - Tue, 27 Oct

1:40 p.m. - 10:43 p.m.YVR Vancouver Intl-ONT Ontario

9h 03m2 stops Calgary Seattle/Tacoma Intl

6:20 a.m. - 3:55 p.m.ONT Ontario-YVR Vancouver Intl

9h 35m2 stops Seattle/Tacoma Intl Calgary

C$ 455WestJet

Wed, 7 Oct - Wed, 14 Oct

1:40 p.m. - 10:43 p.m.YVR Vancouver Intl-ONT Ontario

9h 03m2 stops Calgary Seattle/Tacoma Intl

6:20 a.m. - 3:55 p.m.ONT Ontario-YVR Vancouver Intl

9h 35m2 stops Seattle/Tacoma Intl Calgary

C$ 456WestJet

Wed, 7 Oct - Wed, 14 Oct

9:47 a.m. - 8:01 p.m.YVR Vancouver Intl-ONT Ontario

10h 14m1 stop San Francisco

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

4h 40m1 stop San Francisco

C$ 481Air Canada

Fri, 11 Sep - Mon, 14 Sep

8:00 a.m. - 3:22 p.m.YVR Vancouver Intl-ONT Ontario

7h 22m1 stop San Francisco

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

7h 07m1 stop San Francisco

C$ 503Air Canada

Tue, 29 Sep - Sat, 3 Oct

Cheap last-minute flights

Enter your travel dates to find the best prices.

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

7h 20m1 stop San Francisco

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

5h 12m1 stop San Francisco

C$ 549United Airlines

Sun, 30 Aug - Thu, 15 Oct

7:45 a.m. - 4:24 p.m.YYC Calgary-ONT Ontario

9h 39m1 stop Salt Lake City

5:15 p.m. - 11:06 p.m.ONT Ontario-YYC Calgary

4h 51m1 stop Salt Lake City

C$ 549Delta

Sat, 29 Aug - Sat, 26 Sep

7:45 a.m. - 4:24 p.m.YYC Calgary-ONT Ontario

9h 39m1 stop Salt Lake City

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

4h 43m1 stop Salt Lake City

C$ 549Delta

Sat, 29 Aug - Thu, 24 Sep

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

4h 46m1 stop San Francisco

9:01 a.m. - 4:23 p.m.ONT Ontario-YVR Vancouver Intl

7h 22m1 stop San Francisco

C$ 568United Airlines

Thu, 27 Aug - Sun, 13 Sep

6:33 a.m. - 11:04 a.m.YYC Calgary-ONT Ontario

5h 31m1 stop Seattle/Tacoma Intl

3:14 p.m. - 10:46 p.m.ONT Ontario-YYC Calgary

6h 32m1 stop Seattle/Tacoma Intl

C$ 624Alaska Airlines

Sat, 29 Aug - Wed, 30 Sep

6:33 a.m. - 11:04 a.m.YYC Calgary-ONT Ontario

5h 31m1 stop Seattle/Tacoma Intl

3:14 p.m. - 10:46 p.m.ONT Ontario-YYC Calgary

6h 32m1 stop Seattle/Tacoma Intl

C$ 624Alaska Airlines

Sun, 30 Aug - Tue, 29 Sep

7:24 a.m. - 5:21 p.m.YVR Vancouver Intl-ONT Ontario

9h 57m1 stop Seattle/Tacoma Intl

11:54 a.m. - 6:40 p.m.ONT Ontario-YVR Vancouver Intl

6h 46m1 stop Seattle/Tacoma Intl

C$ 624WestJet

Wed, 26 Aug - Tue, 8 Sep

6:15 a.m. - 5:21 p.m.YVR Vancouver Intl-ONT Ontario

11h 06m1 stop Seattle/Tacoma Intl

11:56 a.m. - 10:59 p.m.ONT Ontario-YVR Vancouver Intl

11h 03m1 stop Seattle/Tacoma Intl

C$ 647WestJet

Wed, 26 Aug - Mon, 7 Sep

5:25 p.m. - 10:59 p.m.YVR Vancouver Intl-ONT Ontario

5h 34m1 stop San Francisco

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

7h 03m1 stop San Francisco

C$ 745Air Canada

Fri, 28 Aug - Tue, 1 Sep

6:30 a.m. - 12:12 p.m.YYZ Toronto Pearson Intl-ONT Ontario

8h 42m1 stop San Francisco

5:00 a.m. - 4:45 p.m.ONT Ontario-YYZ Toronto Pearson Intl

8h 45m1 stop Denver Intl

C$ 900Air Canada

Sun, 30 Aug - Wed, 9 Sep

Fly from

Route

Depart

Return

Price

Cheapest round-trip

CalgaryOntario

YYC Calgary - ONT Ontario

YYCONT

Calgary

Mon 19/10

10:00 a.m.-7:40 p.m.

1 stop10h 40m

Ontario

Thu 22/10

12:01 p.m.-9:40 a.m.

1 stop20h 39m

C$ 409

VancouverOntario

YVR Vancouver Intl - ONT Ontario

YVRONT

Vancouver Intl

Mon 21/9

5:00 a.m.-10:30 a.m.

2 stops29h 30m

Ontario

Mon 28/9

8:24 p.m.-4:15 p.m.

1 stop19h 51m

C$ 411

VancouverOntario

YVR Vancouver Intl - ONT Ontario

YVRONT

Vancouver Intl

Tue 22/9

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

1 stop4h 46m

Ontario

Thu 24/9

5:00 a.m.-6:18 p.m.

1 stop13h 18m

C$ 429

Quickest round-trip

VancouverOntario

YVR Vancouver Intl - ONT Ontario

YVRONT

Vancouver Intl

Mon 23/11

2:00 p.m.-4:56 p.m.

1 stop3h 56m

Ontario

Wed 25/11

5:00 a.m.-3:59 p.m.

1 stop9h 59m

C$ 429

VancouverOntario

YVR Vancouver Intl - ONT Ontario

YVRONT

Vancouver Intl

Wed 14/10

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

1 stop7h 16m

Ontario

Wed 28/10

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

1 stop6h 42m

C$ 440

VancouverOntario

YVR Vancouver Intl - ONT Ontario

YVRONT

Vancouver Intl

Thu 22/10

3:20 p.m.-11:42 p.m.

1 stop8h 22m

Ontario

Tue 27/10

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

1 stop6h 38m

C$ 455

VancouverOntario

YVR Vancouver Intl - ONT Ontario

YVRONT

Vancouver Intl

Wed 7/10

1:40 p.m.-10:43 p.m.

2 stops9h 03m

Ontario

Wed 14/10

6:20 a.m.-3:55 p.m.

2 stops9h 35m

C$ 455

VancouverOntario

YVR Vancouver Intl - ONT Ontario

YVRONT

Vancouver Intl

Wed 7/10

1:40 p.m.-10:43 p.m.

2 stops9h 03m

Ontario

Wed 14/10

6:20 a.m.-3:55 p.m.

2 stops9h 35m

C$ 456

VancouverOntario

YVR Vancouver Intl - ONT Ontario

YVRONT

Vancouver Intl

Fri 11/9

9:47 a.m.-8:01 p.m.

1 stop10h 14m

Ontario

Mon 14/9

6:08 a.m.-10:48 a.m.

1 stop4h 40m

C$ 481

VancouverOntario

YVR Vancouver Intl - ONT Ontario

YVRONT

Vancouver Intl

Tue 29/9

8:00 a.m.-3:22 p.m.

1 stop7h 22m

Ontario

Sat 3/10

1:52 p.m.-8:59 p.m.

1 stop7h 07m

C$ 503

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$ 178
Best Round-Trip Price	C$ 411
Fastest flight time	6h 36m

The best one-way flight price to Ontario from Canada in the last 5 days is C$ 178 (Vancouver Intl to Ontario).

Search Deals

The best round-trip flight price to Ontario from Canada in the last 5 days is C$ 411 (Vancouver Intl to Ontario).

Search Deals

The fastest flight to Ontario from Canada takes 6h 36m (Edmonton to Ontario).

Search Deals

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$ 315. 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 August 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.