What airlines fly to London, Ontario?

Air Canada, Porter Airlines and United Airlines are the top three most popular airlines that fly to London, Ontario from California according to our data. Air Canada is the first choice among our users, with 49% of people opting to fly with this airline when traveling to London, Ontario. Keep in mind that there are 8 different airlines that fly to London, Ontario on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from California to London?

Air Canada and WestJet are the most popular carriers operating from California to London

How long does it take to fly to London, Ontario?

If you’re flying from a popular airport in California, such as Los Angeles or San Diego, and flying into London, Ontario, then you can expect flight times to average 4h 43m and 4h 49m, respectively.

When did momondo last update prices for flights from California to London Airport?

Prices for flights from California to London Airport were last updated today.

How many operators does momondo search for flights from California to London Airport?

There are 2 operators available for flights from California to London Airport as of October 2026.

How old do you have to be to fly from California to London Airport?

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 London Airport.

What documentation or ID do you need to fly to London Airport?

The travel and health documents required for your trip to London Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$203 Cheap Flights from California to London, Ontario in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from California to London

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

12:25 pm - 5:35 amPSP Palm Springs-YXU London

14h 10m2 stops Vancouver Intl Calgary

6:40 am - 12:55 pmYXU London-PSP Palm Springs

9h 15m1 stop Calgary

$519WestJet

Thu, Dec 3 - Thu, Dec 10

8:25 am - 8:27 pmSFO San Francisco-YXU London

9h 02m1 stop Toronto Pearson Intl

5:30 am - 11:10 amYXU London-SFO San Francisco

8h 40m1 stop Toronto Pearson Intl

$541Air Canada

Tue, Dec 1 - Tue, Dec 8

1:45 pm - 5:35 amPSP Palm Springs-YXU London

12h 50m1 stop Calgary

6:40 am - 12:55 pmYXU London-PSP Palm Springs

9h 15m1 stop Calgary

$544WestJet

Thu, Dec 3 - Thu, Dec 10

6:25 am - 8:27 pmSFO San Francisco-YXU London

11h 02m2 stops Vancouver Intl Toronto Pearson Intl

3:20 pm - 9:30 pmYXU London-SFO San Francisco

9h 10m1 stop Toronto Pearson Intl

$547Air Canada

Tue, Dec 1 - Tue, Dec 8

6:25 am - 8:27 pmSFO San Francisco-YXU London

11h 02m2 stops Vancouver Intl Toronto Pearson Intl

5:30 am - 1:51 pmYXU London-SFO San Francisco

11h 21m2 stops Toronto Pearson Intl Vancouver Intl

$552Air Canada

Tue, Dec 1 - Tue, Dec 8

12:25 pm - 5:35 amPSP Palm Springs-YXU London

14h 10m2 stops Vancouver Intl Calgary

6:40 am - 8:35 amYXU London-PSP Palm Springs

28h 55m2 stops Calgary Edmonton

$569WestJet

Thu, Dec 3 - Thu, Dec 10

8:25 am - 8:27 pmSFO San Francisco-YXU London

9h 02m1 stop Toronto Pearson Intl

3:20 pm - 9:30 pmYXU London-SFO San Francisco

9h 10m1 stop Toronto Pearson Intl

$681United Airlines

Tue, Dec 1 - Tue, Dec 8

12:10 am - 2:42 pmSFO San Francisco-YXU London

11h 32m2 stops Chicago O'Hare Intl Toronto Pearson Intl

5:30 am - 1:10 pmYXU London-SFO San Francisco

10h 40m1 stop Toronto Pearson Intl

$691United Airlines

Mon, Nov 30 - Tue, Dec 8

8:25 am - 8:27 pmSFO San Francisco-YXU London

9h 02m1 stop Toronto Pearson Intl

9:05 pm - 9:29 amYXU London-SFO San Francisco

15h 24m1 stop Toronto Pearson Intl

$705United Airlines

Sat, Nov 14 - Sat, Nov 21

12:25 pm - 5:35 amPSP Palm Springs-YXU London

14h 10m2 stops Vancouver Intl Calgary

6:40 am - 11:35 amYXU London-PSP Palm Springs

31h 55m3 stops Calgary Edmonton Vancouver Intl

$764WestJet

Thu, Dec 3 - Thu, Dec 10

Cheap last minute flights

Enter your travel dates to find the best prices.

6:00 am - 5:20 amSFO San Francisco-YXU London

20h 20m1 stop Calgary

6:10 am - 12:00 pmYXU London-SFO San Francisco

8h 50m1 stop Calgary

$1,447WestJet

Tue, Oct 20 - Thu, Oct 22

6:00 am - 5:20 amSFO San Francisco-YXU London

20h 20m1 stop Calgary

6:10 am - 12:00 pmYXU London-SFO San Francisco

8h 50m1 stop Calgary

$1,463WestJet

Tue, Oct 20 - Thu, Oct 22

6:00 am - 5:20 amSFO San Francisco-YXU London

20h 20m1 stop Calgary

6:10 am - 12:00 pmYXU London-SFO San Francisco

8h 50m1 stop Calgary

$1,524WestJet

Tue, Oct 20 - Thu, Oct 22

6:00 am - 5:20 amSFO San Francisco-YXU London

20h 20m1 stop Calgary

6:10 am - 12:00 pmYXU London-SFO San Francisco

8h 50m1 stop Calgary

$1,525WestJet

Tue, Oct 20 - Thu, Oct 22

5:05 pm - 8:25 amLAX Los Angeles-YXU London

12h 20m2 stops Vancouver Intl Toronto Pearson Intl

3:30 pm - 8:55 pmYXU London-LAX Los Angeles

8h 25m1 stop Toronto Pearson Intl

$1,533Air Canada

Tue, Oct 20 - Sat, Oct 24

5:05 pm - 8:25 amLAX Los Angeles-YXU London

12h 20m2 stops Vancouver Intl Toronto Pearson Intl

9:05 am - 4:32 pmYXU London-LAX Los Angeles

10h 27m2 stops Toronto Pearson Intl Chicago O'Hare Intl

$1,549Air Canada

Tue, Oct 20 - Sat, Oct 24

6:40 am - 7:40 pmSFO San Francisco-YXU London

10h 00m2 stops Vancouver Intl Toronto Pearson Intl

3:30 pm - 8:59 pmYXU London-SFO San Francisco

8h 29m1 stop Toronto Pearson Intl

$1,621Air Canada

Tue, Oct 20 - Thu, Oct 22

4:30 pm - 8:25 amSFO San Francisco-YXU London

12h 55m2 stops Vancouver Intl Toronto Pearson Intl

3:30 pm - 11:20 pmYXU London-SFO San Francisco

10h 50m2 stops Toronto Pearson Intl Vancouver Intl

$1,627Air Canada

Tue, Oct 20 - Thu, Oct 22

5:05 pm - 8:25 amLAX Los Angeles-YXU London

12h 20m2 stops Vancouver Intl Toronto Pearson Intl

3:30 pm - 8:55 pmYXU London-LAX Los Angeles

8h 25m1 stop Toronto Pearson Intl

$1,630Air Canada

Tue, Oct 20 - Sat, Oct 24

10:35 pm - 8:25 amLAX Los Angeles-YXU London

6h 50m1 stop Toronto Pearson Intl

3:30 pm - 8:55 pmYXU London-LAX Los Angeles

8h 25m1 stop Toronto Pearson Intl

$1,632Air Canada

Tue, Oct 20 - Sat, Oct 24

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WestJet flights from California to London, Ontario

Our best WestJet deals on California to London, Ontario flight tickets

WestJet

Dec 3

PSP12:25 pmPalm Springs

14h 10m

2 stops

YXU5:35 amLondon

Dec 10

YXU6:40 amLondon

9h 15m

1 stop

PSP12:55 pmPalm Springs

$519

WestJet

Dec 3

PSP1:45 pmPalm Springs

12h 50m

1 stop

YXU5:35 amLondon

Dec 10

YXU6:40 amLondon

9h 15m

1 stop

PSP12:55 pmPalm Springs

$544

WestJet

Dec 3

PSP12:25 pmPalm Springs

14h 10m

2 stops

YXU5:35 amLondon

Dec 10

YXU6:40 amLondon

28h 55m

2 stops

PSP8:35 amPalm Springs

$569

Air Canada flights from California to London, Ontario

Our best Air Canada deals on California to London, Ontario flight tickets

Air Canada

Nov 2

LAX7:40 amLos Angeles

9h 12m

1 stop

YXU7:52 pmLondon

Nov 6

YXU3:25 pmLondon

9h 09m

1 stop

LAX9:34 pmLos Angeles

$514

Air Canada

Dec 1

SFO8:25 amSan Francisco

9h 02m

1 stop

YXU8:27 pmLondon

Dec 8

YXU5:30 amLondon

8h 40m

1 stop

SFO11:10 amSan Francisco

$541

Air Canada

Dec 1

SFO6:25 amSan Francisco

11h 02m

2 stops

YXU8:27 pmLondon

Dec 8

YXU3:20 pmLondon

9h 10m

1 stop

SFO9:30 pmSan Francisco

$547

momondo Fare Finder

Use the filters below to find and compare flights from California to London, Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Palm SpringsLondon

PSP Palm Springs - YXU London

PSPYXU

Palm Springs

Thu 12/3

12:25 pm-5:35 am

2 stops14h 10m

London

Thu 12/10

6:40 am-12:55 pm

1 stop9h 15m

$519

Quickest round-trip

San FranciscoLondon

SFO San Francisco - YXU London

SFOYXU

San Francisco

Tue 12/1

8:25 am-8:27 pm

1 stop9h 02m

London

Tue 12/8

5:30 am-11:10 am

1 stop8h 40m

$541

Palm SpringsLondon

PSP Palm Springs - YXU London

PSPYXU

Palm Springs

Thu 12/3

1:45 pm-5:35 am

1 stop12h 50m

London

Thu 12/10

6:40 am-12:55 pm

1 stop9h 15m

$544

San FranciscoLondon

SFO San Francisco - YXU London

SFOYXU

San Francisco

Tue 12/1

6:25 am-8:27 pm

2 stops11h 02m

London

Tue 12/8

3:20 pm-9:30 pm

1 stop9h 10m

$547

San FranciscoLondon

SFO San Francisco - YXU London

SFOYXU

San Francisco

Tue 12/1

6:25 am-8:27 pm

2 stops11h 02m

London

Tue 12/8

5:30 am-1:51 pm

2 stops11h 21m

$552

Palm SpringsLondon

PSP Palm Springs - YXU London

PSPYXU

Palm Springs

Thu 12/3

12:25 pm-5:35 am

2 stops14h 10m

London

Thu 12/10

6:40 am-8:35 am

2 stops28h 55m

$569

San FranciscoLondon

SFO San Francisco - YXU London

SFOYXU

San Francisco

Tue 12/1

8:25 am-8:27 pm

1 stop9h 02m

London

Tue 12/8

3:20 pm-9:30 pm

1 stop9h 10m

$681

San FranciscoLondon

SFO San Francisco - YXU London

SFOYXU

San Francisco

Mon 11/30

12:10 am-2:42 pm

2 stops11h 32m

London

Tue 12/8

5:30 am-1:10 pm

1 stop10h 40m

$691

San FranciscoLondon

SFO San Francisco - YXU London

SFOYXU

San Francisco

Sat 11/14

8:25 am-8:27 pm

1 stop9h 02m

London

Sat 11/21

9:05 pm-9:29 am

1 stop15h 24m

$705

Palm SpringsLondon

PSP Palm Springs - YXU London

PSPYXU

Palm Springs

Thu 12/3

12:25 pm-5:35 am

2 stops14h 10m

London

Thu 12/10

6:40 am-11:35 am

3 stops31h 55m

$764

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from California to London, 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

Prices

Airlines

Other information

Can stopping save me money on California to London, Ontario flights?

You could potentially save up to 29% on your flight if you consider stops on a California to London, Ontario flight.

Cheap California to London, Ontario flight deals and tips

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

Best Price Found	$203
Fastest flight time	6h 50m
Direct flights	None

The best one-way flight to London, Ontario from California in the past 72 hours is $203. The best round-trip flight deal from California to London, Ontario found on momondo in the last 72 hours is $519.

The fastest flight from California to London, Ontario takes 6h 50m

There are no direct flights from California to London, Ontario. There are no popular flight routes from California to London, Ontario.

Search flight deals

Frequently asked questions about flying from California to London, Ontario

When did momondo last update prices for flights from California to London Airport?
Prices for flights from California to London Airport were last updated today.
How many operators does momondo search for flights from California to London Airport?
There are 2 operators available for flights from California to London Airport as of October 2026.
How old do you have to be to fly from California to London Airport?
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 London Airport.
What documentation or ID do you need to fly to London Airport?
The travel and health documents required for your trip to London Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from California to London, Ontario

Compare and see reviews for airlines that fly from California to London, Ontario with momondo

Airline	Rating	Free Cancellation	Price
Air Canada	PriceFrom $357	Free Cancellation	Rating 7.1 11,782 reviews		Search Air Canada flights
WestJet	PriceFrom $358	Free Cancellation	Rating 7.2 3,448 reviews		Search WestJet flights

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Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from California to London for you.

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

Yes. All flights to London 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 London?

Once you have performed a search for California to London flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are simply researching potential flights to London, momondo offers a useful price alert feature which will track prices for flights to London from California and alert you when they change.

An easier way to manage your London, Ontario trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Cheap flights from California to London from $203

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 London departing on 12/13. 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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WestJet flights from California to London, Ontario

Our best WestJet deals on California to London, Ontario flight tickets

Air Canada flights from California to London, Ontario

Our best Air Canada deals on California to London, Ontario flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from California to London, Ontario that are best for you.

See travel insights to London from

How to get the cheapest flight ticket from California to London, Ontario

Can stopping save me money on California to London, Ontario flights?

What is the cheapest airline that flies from California to London?

What airlines fly to London, Ontario?

How long does it take to fly to London, Ontario?

Cheap California to London, Ontario flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from California to London, Ontario

Best airlines flying from California to London, Ontario

Compare and see reviews for airlines that fly from California to London, Ontario with momondo

Traveling to a place near London?

Why use momondo?

An easier way to manage your London, Ontario trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Canada

Airports servicing Ontario

Fly your favorite airline to London

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to London

List of cabin classes available on flights landing in London. Availability may vary depending on flight origin and airline.

Popular cities in Canada

Popular flights according to clicks in the last 7 days on momondo

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According to popular flight searches on momondo this year

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