What airlines fly to California?

Air Canada, Porter Airlines and United Airlines are the top three most popular airlines that fly to California from London, Ontario according to our data. Air Canada is the first choice among our users, with 42% of people opting to fly with this airline when traveling to California. Keep in mind that there are 7 different airlines that fly to California on a routine basis, so you have a few additional options to choose from.

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

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

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

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

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

As of August 2025, there is 1 operator available to choose from for flights from London Airport to California.

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

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 from London Airport to California.

What documentation or ID do you need to fly to California?

The travel and health documents required for your trip to California 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 California. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$159 Cheap Flights from London to California in 2025

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Find the cheapest flights from London, Ontario to California

Round-trip

One-way

Last minute

Cheap round-trip flights

6:00 am - 11:56 amYXU-SFO

8h 56m1 stop

2:45 pm - 5:12 amSFO-YXU

11h 27m2 stops

$305WestJet

Find Deal

Thu, Aug 28 - Sat, Sep 6

6:00 am - 11:56 amYXU-SFO

8h 56m1 stop

7:30 am - 7:07 pmSFO-YXU

8h 37m1 stop

$308WestJet

Find Deal

Thu, Aug 28 - Sat, Sep 6

8:00 pm - 1:59 pmYXU-SFO

20h 59m2 stops

2:45 pm - 5:12 amSFO-YXU

11h 27m2 stops

$317WestJet

Find Deal

Thu, Aug 28 - Sat, Sep 6

6:00 am - 11:54 amYXU-SFO

8h 54m1 stop

7:30 am - 7:07 pmSFO-YXU

8h 37m1 stop

$328WestJet

Find Deal

Wed, Sep 10 - Tue, Sep 23

3:50 pm - 10:13 pmYXU-LAS

9h 23m1 stop

11:20 pm - 9:19 amLAS-YXU

6h 59m1 stop

$363Air Canada

Find Deal

Mon, Sep 15 - Mon, Sep 22

3:50 pm - 8:53 pmYXU-SFO

8h 03m1 stop

4:35 pm - 9:19 amSFO-YXU

13h 44m2 stops

$369Air Canada

Find Deal

Wed, Sep 10 - Tue, Sep 23

6:00 am - 8:21 pmYXU-LAS

17h 21m2 stops

7:30 pm - 7:07 pmLAS-YXU

20h 37m3 stops

$430

Find Deal

Mon, Sep 15 - Mon, Sep 22

3:50 pm - 9:59 pmYXU-LAS

9h 09m2 stops

6:49 pm - 3:17 pmLAS-YXU

17h 28m3 stops

$436United Airlines

Find Deal

Mon, Sep 15 - Mon, Sep 22

6:10 am - 2:38 pmYXU-LAS

11h 28m3 stops

12:59 am - 3:17 pmLAS-YXU

11h 18m2 stops

$438United Airlines

Find Deal

Sat, Sep 20 - Sun, Sep 21

6:00 am - 9:29 pmYXU-LAS

18h 29m1 stop

12:42 am - 7:07 pmLAS-YXU

15h 25m2 stops

$472

Find Deal

Fri, Oct 3 - Sun, Oct 5

Air Canada flights from London, Ontario to California

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

Air Canada

Sep 15

YXU3:50 pmLondon

9h 23m

1 stop

LAS10:13 pmLas Vegas Harry Reid Intl

Sep 22

LAS11:20 pmLas Vegas Harry Reid Intl

6h 59m

1 stop

YXU9:19 amLondon

$363

Find similar

Air Canada

Sep 10

YXU3:50 pmLondon

8h 03m

1 stop

SFO8:53 pmSan Francisco

Sep 23

SFO4:35 pmSan Francisco

13h 44m

2 stops

YXU9:19 amLondon

$369

Find similar

Air Canada

Sep 10

YXU3:50 pmLondon

8h 03m

1 stop

SFO8:53 pmSan Francisco

Sep 23

SFO4:35 pmSan Francisco

13h 44m

2 stops

YXU9:19 amLondon

$370

Find similar

WestJet flights from London, Ontario to California

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

WestJet

Aug 28

YXU6:00 amLondon

8h 56m

1 stop

SFO11:56 amSan Francisco

Sep 6

SFO2:45 pmSan Francisco

11h 27m

2 stops

YXU5:12 amLondon

$305

Find similar

WestJet

Aug 28

YXU6:00 amLondon

8h 56m

1 stop

SFO11:56 amSan Francisco

Sep 6

SFO7:30 amSan Francisco

8h 37m

1 stop

YXU7:07 pmLondon

$308

Find similar

WestJet

Aug 28

YXU8:00 pmLondon

20h 59m

2 stops

SFO1:59 pmSan Francisco

Sep 6

SFO2:45 pmSan Francisco

11h 27m

2 stops

YXU5:12 amLondon

$317

Find similar

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

LondonSan Francisco

YXU - SFO

YXUSFO

London

Thu 8/28

6:00 am-11:56 am

1 stop8h 56m

San Francisco

Sat 9/6

2:45 pm-5:12 am

2 stops11h 27m

$305

LondonSan Francisco

YXU - SFO

YXUSFO

London

Thu 8/28

6:00 am-11:56 am

1 stop8h 56m

San Francisco

Sat 9/6

7:30 am-7:07 pm

1 stop8h 37m

$308

LondonSan Francisco

YXU - SFO

YXUSFO

London

Thu 8/28

8:00 pm-1:59 pm

2 stops20h 59m

San Francisco

Sat 9/6

2:45 pm-5:12 am

2 stops11h 27m

$317

LondonSan Francisco

YXU - SFO

YXUSFO

London

Wed 9/10

6:00 am-11:54 am

1 stop8h 54m

San Francisco

Tue 9/23

7:30 am-7:07 pm

1 stop8h 37m

$328

LondonLas Vegas

YXU - LAS

YXULAS

London

Mon 9/15

3:50 pm-10:13 pm

1 stop9h 23m

Las Vegas Harry Reid Intl

Mon 9/22

11:20 pm-9:19 am

1 stop6h 59m

$363

LondonSan Francisco

YXU - SFO

YXUSFO

London

Wed 9/10

3:50 pm-8:53 pm

1 stop8h 03m

San Francisco

Tue 9/23

4:35 pm-9:19 am

2 stops13h 44m

$369

LondonLas Vegas

YXU - LAS

YXULAS

London

Mon 9/15

6:00 am-8:21 pm

2 stops17h 21m

Las Vegas Harry Reid Intl

Mon 9/22

7:30 pm-7:07 pm

3 stops20h 37m

$430

LondonLas Vegas

YXU - LAS

YXULAS

London

Mon 9/15

3:50 pm-9:59 pm

2 stops9h 09m

Las Vegas Harry Reid Intl

Mon 9/22

6:49 pm-3:17 pm

3 stops17h 28m

$436

LondonLas Vegas

YXU - LAS

YXULAS

London

Sat 9/20

6:10 am-2:38 pm

3 stops11h 28m

Las Vegas Harry Reid Intl

Sun 9/21

12:59 am-3:17 pm

2 stops11h 18m

$438

LondonLas Vegas

YXU - LAS

YXULAS

London

Fri 10/3

6:00 am-9:29 pm

1 stop18h 29m

Las Vegas Harry Reid Intl

Sun 10/5

12:42 am-7:07 pm

2 stops15h 25m

$472

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 London, Ontario to California

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

What is the cheapest month to fly to California?

The month of May is another great option to travel to California, with average flight prices from London, Ontario averaging around $291.

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

You could potentially save up to 9% on your flight if you consider stops on a London, Ontario to California flight.

Cheap London, Ontario to California flight deals and tips

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

Best Price Found	$159
Fastest flight time	7h 15m
Direct flights	None
Airports in California	5 airports

The best one-way flight to California from London, Ontario in the past 72 hours is $159. The best round-trip flight deal from London, Ontario to California found on momondo in the last 72 hours is $305.

The fastest flight from London, Ontario to California takes 7h 15m

There are no direct flights from London, Ontario to California. Popular non-direct routes for this connection are London Airport - Las Vegas Harry Reid Intl Airport, London Airport - Los Angeles Airport and London Airport - San Francisco Airport.

There are 5 airports near California: Los Angeles (LAX), Ontario (ONT), Santa Ana J. Wayne/Orange Cnty (SNA), San Francisco (SFO), Las Vegas Harry Reid Intl (LAS)

Search flight deals

When did momondo last update prices for flights from London Airport to California?
Prices for flights from London Airport to California were last updated today.
How many operators does momondo search for flights from London Airport to California?
As of August 2025, there is 1 operator available to choose from for flights from London Airport to California.
How old do you have to be to fly from London Airport to California?
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 from London Airport to California.
What documentation or ID do you need to fly to California?
The travel and health documents required for your trip to California 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 California. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from London, Ontario to California

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

Airline	Rating	Free Cancellation	Price
Air Canada	PriceFrom $222	Free Cancellation	Rating 7.1 9,855 reviews		Search Air Canada flights

Why use momondo?

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

It is quick and easy to find London to California flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to California that suits you.

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

All flight searches from London to California on momondo can be filtered to show those which offer flexible booking policies.

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

momondo helps you find the best flight between London and California by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Price alerts on flights to California from London are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your California 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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Find better results for your trip to California

Popular cities in California

Flights to New Yorkfrom $48

Flights to Los Angelesfrom $37

Flights to Miamifrom $58

Flights to Chicagofrom $58

Flights to Orlandofrom $54

Flights to Las Vegasfrom $30

Flights to San Franciscofrom $61

Flights to Washington, D.C.from $48

Flights to Bostonfrom $67

Flights to Atlantafrom $39

Flights to Dallasfrom $55

Flights to Seattlefrom $94

Cheap flights from London, Ontario to California from $159

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London, Ontario to California departing on 8/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from London, Ontario to California

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Air Canada flights from London, Ontario to California

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

WestJet flights from London, Ontario to California

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

momondo Fare Finder

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

See travel insights to California from

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

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 month to fly to California?

The month of May is another great option to travel to California, with average flight prices from London, Ontario averaging around $291.

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

You could potentially save up to 9% on your flight if you consider stops on a London, Ontario to California flight.

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

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

What airlines fly to California?

Cheap London, Ontario to California flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

Airports in California

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

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

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

What documentation or ID do you need to fly to California?

Best airlines flying from London, Ontario to California

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

Why use momondo?

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

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

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

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

An easier way to manage your California 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 California

Popular cities in California

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