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Cheap flights from California to London from £172

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 25/1. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — LON
26 Nov — 3 Dec1
1 adult

Cheap flight deals from California to London

Discover tips and strategies to find the most affordable flight options for your journey from California (USCA) to London (LON). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 21 November 2024.

Find flight deals from California to London

Cheapest flights from California to London
Explore the most affordable flight options available from California to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 November 2024.

Thu 5/1208:50LAS - LHR
1 stop15h 05mUnited Airlines
Thu 12/1215:00LHR - LAS
2 stops31h 44mUnited Airlines
Deal found 20/11£440
Thu 5/1207:50LAS - LHR
1 stop18h 20mMultiple Airlines
Tue 10/1208:55LHR - LAS
2 stops20h 55mMultiple Airlines
Deal found 19/11£442
Tue 3/1207:50LAS - LHR
1 stop18h 20mAir Canada
Thu 12/1215:00LHR - LAS
1 stop14h 53mAir Canada
Deal found 20/11£447
Sun 8/1210:53SFO - LGW
1 stop15h 42mMultiple Airlines
Thu 12/1212:00LGW - SFO
2 stops18h 01mMultiple Airlines
Deal found 20/11£484
Tue 31/1217:25SFO - LHR
Nonstop10h 35mUnited Airlines
Fri 17/108:55LHR - SFO
1 stop15h 30mUnited Airlines
Deal found 20/11£484
Sun 8/1217:40LAX - LHR
1 stop16h 50mScandinavian Airlines
Fri 10/119:30LHR - LAX
1 stop30h 30mScandinavian Airlines
Deal found 20/11£485
Mon 2/1216:40SFO - LHR
Nonstop10h 15mDelta
Tue 10/1206:30LHR - SFO
1 stop13h 20mDelta
Deal found 20/11£485
Wed 4/1218:00LAX - LGW
2 stops32h 35mMultiple Airlines
Sun 8/1212:00LGW - LAX
1 stop27h 23mMultiple Airlines
Deal found 20/11£487
Mon 2/1219:25SFO - LGW
1 stop14h 25mSWISS
Wed 11/1218:45LGW - SFO
1 stop29h 40mSWISS
Deal found 20/11£488
Mon 30/1216:40SFO - LGW
1 stop15h 05mTAP AIR PORTUGAL
Mon 20/121:30LGW - SFO
2 stops49h 10mTAP AIR PORTUGAL
Deal found 20/11£489
Sun 8/1214:20SFO - LHR
1 stop15h 10mLufthansa
Tue 24/1213:45LHR - SFO
Nonstop11h 10mLufthansa
Deal found 20/11£489
Tue 3/1213:40SFO - LHR
1 stop12h 20mKLM
Tue 10/1206:30LHR - SFO
1 stop13h 20mKLM
Deal found 21/11£489

Find flights from California to London within your budget

Customise your flight search to find flights from California to London 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 939,815 searches. Data last updated 21 November 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Sun 12/1

23:43-05:55

1 stop22h 12m

London Heathrow

Tue 28/1

07:25-20:25

1 stop21h 00m

£439

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Thu 5/12

08:50-07:55

1 stop15h 05m

London Heathrow

Thu 12/12

15:00-14:44

2 stops31h 44m

£440

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Thu 5/12

07:50-10:10

1 stop18h 20m

London Heathrow

Tue 10/12

08:55-21:50

2 stops20h 55m

£442

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Tue 14/1

06:20-09:20

2 stops19h 00m

London Heathrow

Thu 23/1

06:50-21:53

2 stops23h 03m

£444

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Tue 14/1

11:20-13:00

2 stops17h 40m

London Heathrow

Thu 23/1

08:55-22:15

2 stops21h 20m

£459

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Sun 19/1

10:05-12:50

1 stop18h 45m

London Heathrow

Sat 25/1

14:50-17:40

1 stop34h 50m

£468

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

Sun 8/12

10:53-10:35

1 stop15h 42m

London Gatwick

Thu 12/12

12:00-22:01

2 stops18h 01m

£484

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Tue 31/12

17:25-12:00

Nonstop10h 35m

London Heathrow

Wed 22/1

08:55-16:25

1 stop15h 30m

£484

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Wed 12/2

17:40-21:40

1 stop20h 00m

London Heathrow

Sat 22/2

17:00-15:35

1 stop30h 35m

£485

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Sat 11/1

17:30-16:00

1 stop14h 30m

London Heathrow

Sun 2/3

19:30-15:40

1 stop28h 10m

£485

Flights are sorted by cheapest return flights first.

Deals found on 20/11

Showing 1-10 of 60 results
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Best time to book a flight from California to London

Have a flexible travel schedule? Discover the best time to fly to London from California with our price prediction graph.
Estimated return 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.

Travel insights for flights from California to London

Get recent, data-driven insights about flights from California to London including ideal travel times, pricing trends, and more.

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

Currently, January is the cheapest month in which you can book a flight from California to London (average of £112). Flying from California to London in July is currently the most expensive (average of £160). 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.

What is the cheapest time of day to fly from CA to LON?

Find hourly flight availability from California to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 21 November 2024.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from California to London as you normally would.

Weekly flight availability from California to London

Explore weekly flight availability from California to London. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 21 November 2024.

The most flights from USCA to LON are scheduled on a Monday (53 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (47 on average).

Rainfall in London by month

Plan your trip to London by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London when rainfall is around 40.0 mm.

Temperature in London by month

Plan your trip to London by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. 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 London. Reviews last updated 21 November 2024.
See what other customers who have flown with JetBlue, United Airlines and Air Canada from California to London have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
8,756 reviews
Check prices

Comfort

7.9

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very Good
8,756 reviews
Delta
8.0
Very Good
8,756 reviews
Check prices

Comfort

7.9

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Alaska Airlines
8.0
Very Good
9,461 reviews
Delta
8.0
Very Good
8,756 reviews
Check prices

Comfort

7.9

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM
7.8
Good
1,350 reviews
Delta
8.0
Very Good
8,756 reviews
Check prices

Comfort

7.9

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Finnair
7.7
Good
1,300 reviews
Delta
8.0
Very Good
8,756 reviews
Check prices

Comfort

7.9

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

LOT
7.6
Good
1,165 reviews
Delta
8.0
Very Good
8,756 reviews
Check prices

Comfort

7.9

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

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

  • What are the cheapest airlines to fly from California to London one-way?

    One-way options have recently been found by users for as low as £172 on WestJet. Other airlines that offer cheap prices include Vueling from £211 and Iberia from £253 one-way.

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

    The most popular flight routes from California to London are Los Angeles - London Heathrow, San Francisco - London Heathrow and Los Angeles - London Gatwick.

  • What are the most reliable airlines from California to London?

    Before booking your flight to London from California, check out the most reliable airlines to get you to your destination on time: Air Canada (90%), Austrian Airlines (90%), Air New Zealand( 90%).

  • What are the cheapest flights from California to London?

    Looking for the cheapest flight from California to London? While on average our users pay £2,209, our data indicates the cheapest price to be £300. The most popular route (Los Angeles - London Heathrow), is priced around £324.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from California to London 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 California to London?

    Currently, January is the cheapest month in which you can book a flight from California to London (average of £112). Flying from California to London in July is currently the most expensive (average of £160). 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

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Alternative routes for California to London

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from California to London

Discover the top 10 airlines that operate flights from California to London. 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 939,815 searches. Data last updated 21 November 2024.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest£378Average£614FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
Norse Atlantic UKCheapest£380Average£597FlexibilityNo cancel feeOn-timeN/A
Search Norse Atlantic UK flights
KLMCheapest£404Average£606FlexibilityNo cancel feeOn-time75%
Search KLM flights
Virgin AtlanticCheapest£419Average£592FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
TAP AIR PORTUGALCheapest£431Average£443FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
Aer LingusCheapest£437Average£455FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
United AirlinesCheapest£442Average£778FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
LufthansaCheapest£448Average£721FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
IberiaCheapest£450Average£647FlexibilityNo cancel feeOn-time77%
Search Iberia flights
British AirwaysCheapest£456Average£611FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

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

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

Deals for California to London flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

Cheapflights helps you find that perfect flight to London from California 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 California to London with no change fees?

Yes, we can. To see specific flights from California to London with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Yes, Cheapflights offers price alerts on California to London flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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