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Cheap flights from California to Ontario from $69

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from California to Ontario departing on 12/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from California to Ontario

Cheap round-trip flights

These are some of the best round-trip flight deals from California to Ontario that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from California to Ontario.

Cheap last minute flights

Planning a quick getaway from California to Ontario? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Ontario, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from California to Ontario

Find recent round-trip train or bus tickets from California to Ontario.

All round-trip flight deals to Ontario

The cheapest plane tickets to Ontario found on KAYAK recently.
11:24 am - 5:20 pmSFO-YYZ
26h 56m1 stop
8:00 pm - 7:14 amYYZ-SFO
14h 14m1 stop
Mon, Dec 9 - Wed, Dec 11
11:24 am - 5:20 pmSFO-YYZ
26h 56m1 stop
8:00 pm - 7:16 amYYZ-SFO
14h 16m1 stop
Mon, Dec 9 - Wed, Jan 15
10:30 am - 11:34 pmLAX-YYZ
10h 04m1 stop
9:30 am - 7:01 pmYYZ-LAX
12h 31m2 stops
$225WestJet
Find Deal
Wed, Dec 4 - Thu, Dec 12
11:24 am - 5:20 pmSFO-YYZ
26h 56m1 stop
8:00 pm - 7:16 amYYZ-SFO
14h 16m1 stop
Mon, Dec 9 - Fri, Jan 17
10:30 am - 11:34 pmLAX-YYZ
10h 04m1 stop
9:30 am - 7:01 pmYYZ-LAX
12h 31m2 stops
$230WestJet
Find Deal
Wed, Dec 4 - Thu, Dec 12
7:35 am - 3:26 pmLAX-YYZ
4h 51mnonstop
5:30 pm - 8:12 pmYYZ-LAX
5h 42mnonstop
$232Porter Airlines
Find Deal
Thu, Jan 9 - Wed, Jan 15
7:35 am - 3:26 pmLAX-YYZ
4h 51mnonstop
5:30 pm - 8:12 pmYYZ-LAX
5h 42mnonstop
$235Porter Airlines
Find Deal
Thu, Jan 9 - Sat, Jan 25
7:43 pm - 11:25 amSAN-YYZ
12h 42m2 stops
9:25 am - 12:03 pmYYZ-SAN
5h 38mnonstop
$242United Airlines
Find Deal
Wed, Jan 8 - Sun, Jan 12
10:30 pm - 6:41 pmSAN-YYZ
17h 11m1 stop
9:25 am - 12:03 pmYYZ-SAN
5h 38mnonstop
$269United Airlines
Find Deal
Mon, Jan 6 - Sat, Jan 11
6:00 am - 3:54 pmONT-YYZ
6h 54m1 stop
5:04 pm - 12:14 amYYZ-ONT
10h 10m1 stop
$332KLM
Find Deal
Thu, Dec 5 - Sun, Dec 8
11:24 am - 5:20 pmSFO-YYZ
26h 56m1 stop
Mon, Dec 9
7:35 am - 3:16 pmLAX-YYZ
4h 41mnonstop
$85Porter Airlines
Find Deal
Thu, Dec 12
7:35 am - 3:16 pmLAX-YYZ
4h 41mnonstop
$86Porter Airlines
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Thu, Dec 12
2:45 pm - 5:20 pmLAX-YYZ
23h 35m2 stops
Mon, Dec 9
6:15 am - 12:17 amSAN-YYZ
15h 02m1 stop
$99United Airlines
Find Deal
Mon, Dec 30
8:45 am - 10:52 pmSAN-YYZ
11h 07m1 stop
$105United Airlines
Find Deal
Wed, Dec 11
3:05 pm - 2:20 pmSFO-YYZ
20h 15m2 stops
$143Frontier
Find Deal
Mon, Dec 16
12:38 am - 11:06 amSFO-YYZ
7h 28m1 stop
$205KLM
Find Deal
Sun, Dec 15
12:33 am - 12:12 amSFO-YUL
20h 39m1 stop
$1,249Copa Airlines
Find Deal
Tue, Nov 26
12:33 am - 12:12 amSFO-YUL
20h 39m1 stop
$2,526Copa Airlines
Find Deal
Fri, Dec 13
9:59 pm - 6:46 amSJC-YYZ
29h 47m1 stop
8:00 pm - 4:23 pmYYZ-SJC
23h 23m1 stop
Tue, Nov 26 - Wed, Jan 8
10:11 pm - 6:46 amSFO-YYZ
29h 35m1 stop
8:00 pm - 7:14 amYYZ-SFO
14h 14m1 stop
Tue, Nov 26 - Wed, Jan 8
9:59 pm - 5:55 amSJC-YYZ
28h 56m1 stop
6:30 am - 3:34 pmYYZ-SJC
12h 04m2 stops
Mon, Nov 25 - Wed, Jan 8
9:00 am - 10:36 pmLAX-YYZ
10h 36m1 stop
12:21 pm - 5:12 pmYYZ-LAX
7h 51m1 stop
$359Delta
Find Deal
Tue, Nov 26 - Thu, Nov 28
10:30 am - 8:39 amLAX-YYZ
19h 09m1 stop
10:00 am - 4:52 pmYYZ-LAX
9h 52m1 stop
$369WestJet
Find Deal
Fri, Nov 22 - Mon, Nov 25
10:30 am - 8:39 amLAX-YYZ
19h 09m1 stop
10:00 am - 4:52 pmYYZ-LAX
9h 52m1 stop
$432WestJet
Find Deal
Fri, Nov 22 - Mon, Nov 25
8:30 am - 10:52 pmSJC-YYZ
11h 22m1 stop
8:35 am - 6:00 pmYYZ-SJC
12h 25m1 stop
$442United Airlines
Find Deal
Mon, Nov 25 - Thu, Jan 9
5:45 am - 3:54 pmSJC-YYZ
7h 09m1 stop
10:10 am - 10:56 pmYYZ-SJC
15h 46m2 stops
$451Delta
Find Deal
Mon, Nov 25 - Sun, Jan 12
8:30 am - 11:46 pmSJC-YYZ
12h 16m2 stops
9:00 am - 6:00 pmYYZ-SJC
12h 00m2 stops
$456United Airlines
Find Deal
Mon, Nov 25 - Thu, Jan 9
6:33 pm - 9:58 amSFO-YYZ
12h 25m2 stops
6:15 am - 8:01 pmYYZ-SFO
16h 46m2 stops
$532Frontier
Find Deal
Tue, Nov 26 - Fri, Nov 29
2:05 pm - 9:50 pmSAN-YYZ
4h 45mnonstop
10:20 am - 1:05 pmYYZ-SAN
5h 45mnonstop
$225Porter Airlines
Find Deal
Fri, Jan 10 - Fri, Jan 17
7:35 am - 3:16 pmLAX-YYZ
4h 41mnonstop
9:30 am - 12:08 pmYYZ-LAX
5h 38mnonstop
$225Porter Airlines
Find Deal
Wed, Dec 11 - Fri, Dec 13
2:05 pm - 9:50 pmSAN-YYZ
4h 45mnonstop
10:20 am - 1:05 pmYYZ-SAN
5h 45mnonstop
Fri, Jan 24 - Mon, Jan 27
12:55 pm - 8:45 pmSAN-YYZ
4h 50mnonstop
9:25 am - 12:03 pmYYZ-SAN
5h 38mnonstop
$259United Airlines
Find Deal
Wed, Jan 8 - Tue, Jan 14
1:15 pm - 9:00 pmLAX-YYZ
4h 45mnonstop
4:45 pm - 7:17 pmYYZ-LAX
5h 32mnonstop
Thu, Jan 9 - Sat, Jan 25
7:45 am - 3:26 pmLAX-YYZ
4h 41mnonstop
4:00 pm - 6:32 pmYYZ-LAX
5h 32mnonstop
$294United Airlines
Find Deal
Sat, Dec 7 - Mon, Dec 9
10:55 pm - 6:36 amLAX-YYZ
4h 41mnonstop
6:55 pm - 9:25 pmYYZ-LAX
5h 30mnonstop
$323Air Canada
Find Deal
Wed, Dec 4 - Wed, Dec 11
7:45 am - 3:26 pmLAX-YYZ
4h 41mnonstop
6:55 pm - 9:25 pmYYZ-LAX
5h 30mnonstop
$374Air Canada
Find Deal
Wed, Dec 11 - Tue, Dec 17
2:45 pm - 10:32 pmLAX-YYZ
4h 47mnonstop
10:30 am - 1:05 pmYYZ-LAX
5h 35mnonstop
$408Air Transat
Find Deal
Thu, May 1 - Sun, May 4
1:15 pm - 9:00 pmLAX-YYZ
4h 45mnonstop
9:30 am - 12:08 pmYYZ-LAX
5h 38mnonstop
$409Air Transat
Find Deal
Tue, Dec 3 - Wed, Dec 4

British Airways flights from California to Region of Ontario

Our best British Airways deals on California to Region of Ontario flight tickets
British Airways
Jan 23
SAN12:08 pmSan Diego
7h 26m
1 stop
YYZ10:34 pmToronto Pearson Intl
Jan 28
YYZ6:15 amToronto Pearson Intl
12h 07m
2 stops
SAN3:22 pmSan Diego
British Airways
Jan 23
SAN12:08 pmSan Diego
7h 26m
1 stop
YYZ10:34 pmToronto Pearson Intl
Jan 28
YYZ5:10 pmToronto Pearson Intl
7h 54m
1 stop
SAN10:04 pmSan Diego

Alaska Airlines flights from California to Region of Ontario

Our best Alaska Airlines deals on California to Region of Ontario flight tickets
Alaska Airlines
Jan 9
SAN5:29 pmSan Diego
18h 36m
1 stop
YYZ3:05 pmToronto Pearson Intl
Jan 12
YYZ4:20 pmToronto Pearson Intl
20h 10m
2 stops
SAN9:30 amSan Diego
Alaska Airlines
Dec 3
LAX6:00 amLos Angeles
29h 55m
1 stop
YYZ2:55 pmToronto Pearson Intl
Dec 10
YYZ4:20 pmToronto Pearson Intl
18h 09m
2 stops
LAX7:29 amLos Angeles
Alaska Airlines
Dec 8
LAX7:00 amLos Angeles
28h 55m
1 stop
YYZ2:55 pmToronto Pearson Intl
Dec 11
YYZ4:20 pmToronto Pearson Intl
20h 28m
2 stops
LAX9:48 amLos Angeles

See travel insights to Ontario from

How to get the cheapest flight ticket from California to Region of Ontario

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Region of Ontario?

According to our data, Thursday is the cheapest day to fly to Region of Ontario from California. The lowest ticket price found for a Thursday departure recently was $342. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from California to Region of Ontario on a Sunday will generally be more expensive and average around $374. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest California to Ontario flight route?

Fly from San Diego to Toronto Pearson Intl for the best California - Ontario flight prices

What cabin class options are available on California to Ontario flights?

There are 4 cabin classes available to choose from on California to Ontario flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on California to Region of Ontario flights?

You could potentially save up to 24% on your flight if you consider stops on a California to Region of Ontario flight.

Cheap California to Region of Ontario flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from California to Region of Ontario

Best Price Found

$69

Fastest flight time

4h 41m

Direct flights

Every day

Airports in Region of Ontario

1 airport
The best one-way flight to Region of Ontario from California in the past 72 hours is $69. The best round-trip flight deal from California to Region of Ontario found on momondo in the last 72 hours is $206.
The fastest flight from California to Region of Ontario takes 4h 41m
Direct flights go from California to Region of Ontario every day.
There is 1 airport near Region of Ontario: Toronto Pearson Intl (YYZ)

  • When did momondo last update prices for flights from California to Ontario?

    Prices for flights from California to Ontario are updated daily.

  • How many operators does momondo search for flights from California to Ontario?

  • How old do you have to be to fly from California to Ontario?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from California to Ontario.

  • What documentation or ID do you need to fly to Ontario?

    The required travel and health documents for your Ontario trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ontario. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from California to Region of Ontario?


Best airlines flying from California to Region of Ontario

Compare and see reviews for airlines that fly from California to Region of Ontario with momondo
Airline
Rating
Free Cancellation
Price
Porter AirlinesPriceFrom $88Free CancellationRating
7.8
288 reviews
Search Porter Airlines flights
Air CanadaPriceFrom $144Free CancellationRating
7.0
8,246 reviews
Search Air Canada flights
American AirlinesPriceFrom $149Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $156Free CancellationRating
8.0
8,755 reviews
Search Delta flights
Lynx AirPriceFrom $169Free CancellationRating
5.9
48 reviews
Search Lynx Air flights
United AirlinesPriceFrom $170Free CancellationRating
7.4
9,172 reviews
Search United Airlines flights
WestJetPriceFrom $172Free CancellationRating
7.3
2,811 reviews
Search WestJet flights
Air TransatPriceFrom $187Free CancellationRating
7.8
389 reviews
Search Air Transat flights

Why use momondo?

Why should I use momondo to find a flight deal from California to Ontario?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from California to Ontario. momondo saves you time and could save you money on your trip.

Can I find flights from California to Ontario with flexible booking policies on momondo?

Yes. All flights to Ontario from California on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from California to Ontario?

momondo provides multiple filters to help you find the best flight to Ontario from California. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from California to Ontario right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of California to Ontario flights. All you need is a valid email address and we will do the rest; it is that quick and easy.


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