Which airlines have a flexible cancellation policy for flights from Ontario to California due to COVID-19?

Air Canada, United Airlines and Air New Zealand have all waived their change and cancellation fees on flights from Ontario to California. Confirm policies on booking site.

How does KAYAK find such low prices on flights from Ontario to California?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Ontario to California. Visit our flight page for the latest deals!

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Ontario to California?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to California from Ontario is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!

What is the Hacker Fare option on flights from Ontario to California?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to California with an airline and back to Ontario with another airline. Visit our flight page for the latest deals!

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Ontario to California?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to California from Ontario up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!

Find cheap flights from Ontario to California from C$ 149

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight departing on 12/6. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.

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Low season	January
High season	December
Cheapest flight	C$ 149
Average price round-trip	C$ 666
Good deal round-trip	C$ 257
Good deal one-way	C$ 123

Best time to beat the crowds (3% less expensive on average)

Most popular time to fly (9% more expensive on average)

Flight from Hamilton to Los Angeles

(avg. price over the last 2 weeks)

or less

Book cheap flights from Ontario to California

Recent round-trip flight deals

7/9Thu

2 stopsWestJet

13h 24mYYZ-LAX

12/9Tue

1 stopWestJet

9h 12mLAX-YYZ

C$ 295

7/9Thu

1 stopWestJet

10h 01mYYZ-LAX

12/9Tue

1 stopWestJet

9h 12mLAX-YYZ

C$ 296

14/9Thu

1 stopWestJet

10h 24mYYZ-LAX

18/9Mon

1 stopWestJet

9h 25mLAX-YYZ

C$ 297

19/9Tue

1 stopMultiple Airlines

14h 02mYYZ-LAX

23/9Sat

1 stopMultiple Airlines

18h 40mLAX-YYZ

C$ 300

2/9Sat

1 stopWestJet

10h 58mYYZ-LAX

9/9Sat

1 stopWestJet

9h 12mLAX-YYZ

C$ 302

20/9Wed

1 stopWestJet

9h 33mYYZ-LAX

26/9Tue

1 stopWestJet

8h 26mLAX-YYZ

C$ 303

14/9Thu

1 stopWestJet

10h 01mYYZ-LAX

19/9Tue

1 stopWestJet

9h 12mLAX-YYZ

C$ 306

10/9Sun

1 stopMultiple Airlines

15h 37mYKF-LAX

12/9Tue

1 stopMultiple Airlines

15h 35mLAX-YKF

C$ 307

5/9Tue

1 stopMultiple Airlines

15h 37mYKF-LAX

19/9Tue

1 stopMultiple Airlines

15h 35mLAX-YKF

C$ 310

17/6Sat

1 stopMultiple Airlines

10h 10mYYZ-LAX

20/6Tue

1 stopMultiple Airlines

13h 10mLAX-YYZ

C$ 324

22/9Fri

1 stopDelta

8h 45mYYZ-LAX

27/9Wed

1 stopDelta

11h 32mLAX-YYZ

C$ 361

3/9Sun

1 stopDelta

7h 49mYYZ-LAX

10/9Sun

1 stopDelta

10h 19mLAX-YYZ

C$ 362

3/9Sun

1 stopDelta

11h 28mYYZ-LAX

10/9Sun

1 stopDelta

10h 19mLAX-YYZ

C$ 364

16/6Fri

directUnited Airlines

5h 20mYYZ-SAN

22/6Thu

directUnited Airlines

5h 00mSAN-YYZ

C$ 427

16/6Fri

1 stopUnited Airlines

10h 05mYYZ-SAN

22/6Thu

directUnited Airlines

5h 00mSAN-YYZ

C$ 446

19/6Mon

2 stopsFlair Airlines

28h 55mYKF-LAX

11/7Tue

1 stopFlair Airlines

15h 35mLAX-YKF

C$ 450

21/7Fri

directAir Canada

5h 02mYYZ-SAN

31/7Mon

directAir Canada

5h 00mSAN-YYZ

C$ 510

7/9Thu

1 stopAir Transat

10h 25mYTZ-SFO

11/9Mon

1 stopAir Transat

10h 24mSFO-YTZ

C$ 542

26/8Sat

1 stopPorter Airlines

10h 05mYTZ-LAX

3/9Sun

1 stopPorter Airlines

10h 24mLAX-YTZ

C$ 627

22/7Sat

2 stopsAmerican Airlines

20h 04mYYZ-ONT

30/7Sun

2 stopsAmerican Airlines

19h 18mONT-YYZ

C$ 710

Recent one-way flight deals

12/6Mon

1 stopMultiple Airlines

10h 50mYHM-LAX

C$ 149

12/6Mon

1 stopMultiple Airlines

10h 50mYHM-LAX

C$ 153

5/9Tue

1 stopMultiple Airlines

22h 37mYYZ-SFO

C$ 158

13/9Wed

1 stopMultiple Airlines

8h 06mYHM-LAX

C$ 158

20/6Tue

1 stopWestJet

8h 58mYHM-LAX

C$ 162

15/6Thu

1 stopWestJet

8h 58mYHM-LAX

C$ 165

19/6Mon

1 stopMultiple Airlines

10h 50mYHM-LAX

C$ 166

19/9Tue

1 stopWestJet

10h 58mYYZ-LAX

C$ 168

25/7Tue

1 stopWestJet

9h 01mYHM-LAX

C$ 173

14/9Thu

1 stopWestJet

10h 24mYYZ-LAX

C$ 176

15/10Sun

1 stopLynx Air

14h 07mYYZ-LAX

C$ 184

15/9Fri

1 stopFlair Airlines

14h 00mYKF-SFO

C$ 185

15/9Fri

1 stopFlair Airlines

14h 05mYYZ-SFO

C$ 196

24/6Sat

1 stopFlair Airlines

30h 15mYYZ-LAX

C$ 206

16/6Fri

directAir Canada

5h 20mYYZ-SAN

C$ 245

16/6Fri

1 stopUnited Airlines

8h 29mYYZ-SAN

C$ 264

10/6Sat

1 stopAir Transat

10h 05mYTZ-LAX

C$ 280

15/6Thu

1 stopPorter Airlines

12h 43mYTZ-SFO

C$ 311

15/8Tue

1 stopDelta

11h 30mYYZ-ONT

C$ 387

7/7Fri

2 stopsAmerican Airlines

15h 20mYYZ-ONT

C$ 388

Flights to California

Return flight deals:

California - Ontario

Cabin classes:

C$ 2,598

C$ 1,083

C$ 509

C$ 341

Browse origins:

Hamilton

C$ 429

London

C$ 337

Ottawa

C$ 944

Sarnia

C$ 996

Sault Ste Marie

C$ 611

Thunder Bay

C$ 283

Toronto

Toronto Pearson Airport

C$ 768

Windsor

Browse destinations:

C$ 457

Burbank

C$ 552

Fresno

C$ 1,096

Imperial

C$ 380

John Wayne (Santa Ana)

C$ 1,088

Long Beach

C$ 283

Los Angeles

C$ 2,435

Mammoth Lakes

C$ 865

Monterey

C$ 404

Oakland

C$ 527

Ontario

C$ 380

Orange County

C$ 479

Palm Springs

C$ 996

Redding

Reno

C$ 483

Sacramento

C$ 362

San Diego

C$ 356

San Francisco

C$ 356

San Francisco Bay Area

C$ 512

San Jose

C$ 1,316

San Luis Obispo

C$ 823

Santa Barbara

C$ 698

Santa Rosa

Tijuana

C$ 496

Worldwide

C$ 518

Yosemite National Park

Find cheap flights from Ontario to California from C$ 149

Search hundreds of travel sites at once for deals on flights to California

Good to know

Low season

High season

Cheapest flight

Average price round-trip

Good deal round-trip

Good deal one-way

FAQs for booking flights from Ontario to California

Which airlines have a flexible cancellation policy for flights from Ontario to California due to COVID-19?

How does KAYAK find such low prices on flights from Ontario to California?

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Ontario to California?

What is the Hacker Fare option on flights from Ontario to California?

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Ontario to California?

Book cheap flights from Ontario to California

Recent round-trip flight deals

Search by stops

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Search by price

Recent one-way flight deals

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Flights to California

Return flight deals:

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