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Cheap flights from London, ON to California from C$ 195

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/6. Fares are subject to change and may not be available on all flights or dates of travel.
YXU — LAX
28 May — 4 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from London to California

Enter your travel dates to find the best prices.

Cheapest flights from London to California
Explore the most affordable flight options available from London to California. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 April 2026.

Thu 9/76:10 a.m.
YXU
-
LAX
2 stops12h 50m
WestJet
Fri 17/77:30 a.m.
LAX
-
YXU
1 stop9h 20m
WestJet
Deal found 24/4C$ 352
Mon 8/66:10 a.m.
YXU
-
LAX
2 stops12h 50m
WestJet
Mon 15/64:55 p.m.
LAX
-
YXU
2 stops33h 25m
WestJet
Deal found 24/4C$ 365
Tue 26/52:40 p.m.
YXU
-
SFO
2 stops10h 15m
WestJet
Sat 1/86:00 a.m.
SFO
-
YXU
1 stop7h 45m
WestJet
Deal found 26/4C$ 365
Fri 19/62:40 p.m.
YXU
-
LAX
2 stops10h 25m
WestJet
Sun 21/64:55 p.m.
LAX
-
YXU
2 stops33h 25m
WestJet
Deal found 26/4C$ 379
Wed 24/66:10 a.m.
YXU
-
LAX
2 stops12h 50m
WestJet
Mon 29/63:00 p.m.
LAX
-
YXU
1 stop22h 45m
WestJet
Deal found 25/4C$ 382
Fri 10/75:55 p.m.
YXU
-
LAX
2 stops25h 05m
WestJet
Fri 17/76:05 p.m.
LAX
-
YXU
1 stop8h 15m
WestJet
Deal found 24/4C$ 393
Tue 26/56:10 a.m.
YXU
-
SFO
1 stop8h 50m
WestJet
Sun 2/86:00 a.m.
SFO
-
YXU
1 stop7h 45m
WestJet
Deal found 26/4C$ 395
Fri 19/66:10 a.m.
YXU
-
PSP
1 stop9h 10m
WestJet
Sun 21/61:10 p.m.
PSP
-
YXU
2 stops45h 40m
WestJet
Deal found 26/4C$ 412
Thu 9/76:10 a.m.
YXU
-
SFO
1 stop8h 50m
WestJet
Mon 13/76:00 a.m.
SFO
-
YXU
1 stop7h 45m
WestJet
Deal found 24/4C$ 414
Tue 26/56:10 a.m.
YXU
-
SFO
1 stop8h 50m
WestJet
Thu 30/76:05 p.m.
SFO
-
YXU
1 stop8h 15m
WestJet
Deal found 26/4C$ 416
Fri 7/86:10 a.m.
YXU
-
LAS
1 stop9h 45m
WestJet
Mon 10/81:20 p.m.
LAS
-
YXU
2 stops13h 00m
WestJet
Deal found 26/4C$ 483
Sun 7/62:40 p.m.
YXU
-
LAS
1 stop6h 55m
WestJet
Sun 14/65:35 p.m.
LAS
-
YXU
2 stops32h 45m
WestJet
Deal found 23/4C$ 488

Find flight deals from London to California

Keep the following information in mind while searching for London to California flight deals. Data was last updated 28 April 2026.

Round-trip from

C$ 352

One-way from

C$ 195

Popular in

February

Cheapest in

July

Average price

C$ 732
WestJet
  • WestJet
  • 9/7-17/7
  • 3 total stops
  • 22h 10m total
  • London to California
Search Deals
WestJet
  • WestJet
  • 9/6
  • 2 total stops
  • 10h 25m total
  • London to California
Search Deals
Highest demand for flights based on searches. 33% potential increase in price (C$ 512 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 11% potential price decrease (C$ 106 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from London to California that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 28 April 2026.
Use the filters below to find and compare flights from London to California that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonLos Angeles

YXU - LAX

YXULAX

London

Thu 9/7

6:10 a.m.-4:00 p.m.

2 stops12h 50m

Los Angeles

Fri 17/7

7:30 a.m.-7:50 p.m.

1 stop9h 20m

C$ 352

LondonLos Angeles

YXU - LAX

YXULAX

London

Wed 24/6

6:10 a.m.-4:00 p.m.

2 stops12h 50m

Los Angeles

Mon 29/6

3:00 p.m.-4:45 p.m.

1 stop22h 45m

C$ 382

LondonSan Francisco

YXU - SFO

YXUSFO

London

Thu 9/7

6:10 a.m.-12:00 p.m.

1 stop8h 50m

San Francisco

Mon 13/7

6:00 a.m.-4:45 p.m.

1 stop7h 45m

C$ 414

LondonLos Angeles

YXU - LAX

YXULAX

London

Wed 26/8

10:05 a.m.-7:54 p.m.

2 stops12h 49m

Los Angeles

Sun 30/8

10:25 p.m.-2:55 p.m.

2 stops13h 30m

C$ 444

LondonLos Angeles

YXU - LAX

YXULAX

London

Wed 26/8

6:10 a.m.-2:05 p.m.

1 stop10h 55m

Los Angeles

Sun 30/8

3:00 p.m.-4:45 p.m.

1 stop22h 45m

C$ 472

LondonLas Vegas

YXU - LAS

YXULAS

London

Sat 6/6

5:55 p.m.-12:30 p.m.

2 stops21h 35m

Las Vegas Harry Reid Intl

Wed 10/6

6:10 p.m.-5:20 a.m.

1 stop8h 10m

C$ 498

LondonLos Angeles

YXU - LAX

YXULAX

London

Sat 9/5

6:10 a.m.-2:05 p.m.

1 stop10h 55m

Los Angeles

Tue 12/5

6:05 p.m.-5:20 a.m.

1 stop8h 15m

C$ 519

LondonSan Diego

YXU - SAN

YXUSAN

London

Sat 17/10

5:40 a.m.-12:46 p.m.

2 stops10h 06m

San Diego

Tue 20/10

7:41 p.m.-2:55 p.m.

3 stops16h 14m

C$ 521

LondonSan Diego

YXU - SAN

YXUSAN

London

Sat 17/10

5:40 a.m.-12:46 p.m.

2 stops10h 06m

San Diego

Tue 20/10

7:00 a.m.-9:40 p.m.

2 stops11h 40m

C$ 521

LondonLas Vegas

YXU - LAS

YXULAS

London

Wed 1/7

8:40 p.m.-12:30 p.m.

2 stops18h 50m

Las Vegas Harry Reid Intl

Fri 3/7

8:30 a.m.-7:50 p.m.

1 stop8h 20m

C$ 526

Flights are sorted by cheapest round-trip flights first.

Deals found on 22/4

Showing 1-10 of 60 resultsSorted by cheapest first
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6

Best time to book a flight from London to California

Have a flexible travel schedule? Discover the best time to fly to California from London with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from London to California

What is the cheapest month to book a flight from London, Ontario to California?

Currently, August is the cheapest month in which you can book a flight from London, Ontario to California (average of C$ 217). Flying from London, Ontario to California in March is currently the most expensive (average of C$ 583). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from London, Ontario to California?

Reviews of airlines servicing California

Get insights into the airlines that provide service to California. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to California. Reviews last updated 28 April 2026.
Check out reviews from past customers who have flown with United Airlines,WestJet, andAir Canada from London to California to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,672 reviews
Check prices

Food

6.6

Comfort

7.3

Crew

8.1

Boarding

7.7

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
United Airlines
7.4
Good
9,672 reviews
United Airlines
7.4
Good
9,672 reviews
Check prices

Food

6.6

Comfort

7.3

Crew

8.1

Boarding

7.7

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
WestJet
7.2
Good
3,327 reviews
United Airlines
7.4
Good
9,672 reviews
Check prices

Food

6.6

Comfort

7.3

Crew

8.1

Boarding

7.7

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
Air Canada
7.1
Good
10,975 reviews
United Airlines
7.4
Good
9,672 reviews
Check prices

Food

6.6

Comfort

7.3

Crew

8.1

Boarding

7.7

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

Related info for your journey

Find useful and relevant information for your journey from London to California. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from London to California?

    For a flight from London to California, you will be flying from London. London (YXU) is just 8.6 km from the centre of the city.

  • How long is the flight from London, Ontario to California?

    Departing from London, Ontario to California will take you 10h 06m. There are 3331 km between London, Ontario and California. This flight may include one or multiple stops.

  • What are the most popular routes from London, Ontario to California?

    Most travellers choose London - Los Angeles, London - San Francisco or London - Santa Ana J. Wayne/Orange Cnty when deciding on the best route from London, Ontario to California.

  • Can I find deals for flights from London to California that include hotel bookings?

    Yes. In addition to deals on London to California flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from London to California?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to California.

  • Can I find deals for business class flights from London to California?

    Yes. Cheapflights offers flight deals from London to California by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from London, Ontario to California?

    Currently, August is the cheapest month in which you can book a flight from London, Ontario to California (average of C$ 217). Flying from London, Ontario to California in March is currently the most expensive (average of C$ 583). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for London to California

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from London to California

Discover the top 3 airlines that operate flights from London to California. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 28 April 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 217AverageC$ 417FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapestC$ 252AverageC$ 734FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 409AverageC$ 409FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from London to California?

Cheapflights makes it easy to find London to California flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from London to California?

Cheapflights helps you find that perfect flight to California from London by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from London to California with no change fees?

Yes! Cheapflights helps users easily find flights from London to California with no change fees.

Can Cheapflights notify me if prices for flights from London to California become cheaper?

Of course! You can now track prices for flights from London to California and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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