London

$268+ Cheap flights from California to London (LON)

LAX — LON
Dec 10 — Dec 171
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Cheap flight deals from California to London

Cheapest flights from California to London

Tue 11/109:20 am -
1 stop21h 50m
Thu 11/264:10 pm -
1 stop23h 10m
Deal found 11/7$735
Fri 11/139:20 am -
1 stop23h 40m
Sat 11/216:00 pm -
1 stop21h 20m
Deal found 11/5$736
Fri 11/139:20 am -
1 stop23h 40m
Mon 11/235:10 pm -
1 stop22h 10m
Deal found 11/8$737
Thu 11/264:45 pm -
1 stop17h 45m
Fri 12/117:30 pm -
1 stop27h 20m
Deal found 11/10$737
Fri 11/279:20 am -
1 stop21h 50m
Thu 12/34:10 pm -
1 stop23h 10m
Deal found 11/6$737
Fri 12/119:20 am -
1 stop21h 50m
Mon 1/184:10 pm -
1 stop23h 10m
Deal found 11/7$739
Tue 11/105:10 pm -
1 stop34h 15m
Tue 11/176:00 am -
1 stop17h 15m
Deal found 11/8$740
Mon 11/304:45 pm -
2 stops44h 50m
Thu 12/31:55 pm -
2 stops32h 55m
Deal found 11/10$741
Sat 11/284:35 pm -
1 stop22h 05m
Sat 12/126:00 am -
1 stop16h 45m
Deal found 11/8$743
Fri 11/277:15 pm -
1 stop18h 20m
Thu 12/107:55 pm -
1 stop28h 10m
Deal found 11/10$744
Tue 12/19:20 am -
2 stops28h 35m
Thu 12/1012:35 pm -
2 stops26h 45m
Deal found 11/7$744
Sat 11/285:10 pm -
1 stop35h 30m
Sat 12/56:00 am -
1 stop17h 15m
Deal found 11/10$745

Find flight deals from California to London

Most accurate provider

Ovago
3 stars

Most trusted provider

Ovago
3 stars

Round-trip from

$735
(FlightHub)

One-way from

$268
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$895

Good round-trip deal

$679 or less

Good one-way deal

$287 or less
Provider with most accurate pricing for Los Angeles-London (LON) flight deals.
Provider most trusted by Cheapflights users for Los Angeles-London (LON) flights.
From California to London (LON)
One-way flight from California to London (LON)
Highest demand for flights based on searches. 3% potential increase in price ($36 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($24 potential savings vs. average RT price).
Average for round-trip flights in November 2026
Price to beat on a round-trip flight from California to London (LON).
Price to beat on a one-way flight from California to London (LON).

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San DiegoLondon

SAN San Diego - LHR London Heathrow

SANLHR

San Diego

Thu 1/14

9:45 pm-8:55 pm

1 stop15h 10m

London Heathrow

Wed 12/31

12:00 am-3:00 pm

Nonstop0h 00m

$293

San DiegoLondon

SAN San Diego - LHR London Heathrow

SANLHR

San Diego

Mon 1/18

9:45 pm-9:40 pm

1 stop15h 55m

London Heathrow

Wed 12/31

12:00 am-3:00 pm

Nonstop0h 00m

$293

San DiegoLondon

SAN San Diego - LHR London Heathrow

SANLHR

San Diego

Mon 1/11

9:45 pm-9:40 pm

1 stop15h 55m

London Heathrow

Wed 12/31

12:00 am-3:00 pm

Nonstop0h 00m

$299
Quickest round-trip

SacramentoLondon

SMF Sacramento Intl - LHR London Heathrow

SMFLHR

Sacramento Intl

Mon 3/15

4:05 pm-11:50 am

1 stop12h 45m

London Heathrow

Wed 12/31

12:00 am-3:00 pm

Nonstop0h 00m

$321

Palm SpringsLondon

PSP Palm Springs - LHR London Heathrow

PSPLHR

Palm Springs

Mon 4/12

2:47 pm-12:10 pm

1 stop13h 23m

London Heathrow

Wed 12/31

12:00 am-3:00 pm

Nonstop0h 00m

$324

SacramentoLondon

SMF Sacramento Intl - LHR London Heathrow

SMFLHR

Sacramento Intl

Mon 3/8

4:05 pm-6:30 am

2 stops30h 25m

London Heathrow

Wed 12/31

12:00 am-3:00 pm

Nonstop0h 00m

$324

FresnoLondon

FAT Fresno Airterminal - LHR London Heathrow

FATLHR

Fresno Airterminal

Sun 3/28

6:00 am-12:10 pm

1 stop22h 10m

London Heathrow

Wed 12/31

12:00 am-3:00 pm

Nonstop0h 00m

$328

SacramentoLondon

SMF Sacramento Intl - LHR London Heathrow

SMFLHR

Sacramento Intl

Fri 3/5

4:05 pm-9:00 pm

2 stops44h 55m

London Heathrow

Wed 12/31

12:00 am-3:00 pm

Nonstop0h 00m

$334

San JoseLondon

SJC San Jose - LHR London Heathrow

SJCLHR

San Jose

Tue 3/16

7:15 am-7:05 am

2 stops16h 50m

London Heathrow

Wed 12/31

12:00 am-3:00 pm

Nonstop0h 00m

$334

OntarioLondon

ONT Ontario - LHR London Heathrow

ONTLHR

Ontario

Tue 2/23

2:42 pm-12:00 pm

1 stop13h 18m

London Heathrow

Wed 12/31

12:00 am-3:00 pm

Nonstop0h 00m

$334

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/8

Showing 1-10 of 60 resultsSorted by cheapest first
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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 round-trip price

Cheapflights Insights

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

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

Currently, February is the cheapest month in which you can book a flight from California to London (average of $692). Flying from California to London in June is currently the most expensive (average of $1,311). 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?

A simple way to save on the total cost of your ticket is to fly from California to London in the morning. If you’re flexible enough to do this you can expect to save up to 8% on your trip compared to booking a flight in the evening.

Weekly flight availability from California to London

The most flights from USCA to LON are scheduled on a Monday (48 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (40 on average).

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

Airfare is typical for this route at the moment.
California to London flights typically cost between $706 and $1,184 in March.
The cheapest round-trip price found within the last 5 days was $735 on Scandinavian Airlines (Mar 1-Mar 10).

How far ahead should I book a flight from California to London?

The best time to book flights from California to London is 69 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest day to fly from California to London?

Travelers seeking maximum savings on their California to London flight should consider departing on Saturday at noon when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Related info for your journey

  • What airports serve California to London flights?

    Airports that serve flights from California to London can vary on the locations that are chosen. California has multiple airports to choose from in order to fly to London, just as London has plenty of airports to choose from when flying from California to London. California’s most popular airport would be Los Angeles International Airport, which is said to be the second busiest airport in the United States. Another popular airport in California is San Francisco International Airport which is known to be the seventh busiest airport in North America. London also has a choice of airports such as Heathrow Airport which is known as the world’s second-busiest airport, and Gatwick Airport, or London Gatwick, which is the second-busiest airport in the United Kingdom.

  • Which airlines fly directly from California to London?

    Airlines that fly directly from California to London vary on the location of take-off and destination. If you choose to fly from Los Angeles International Airport to Heathrow Airport, Finnair, which is operated by American Airlines, has multiple flights available. Other Airlines from Los Angeles to Heathrow Airport include British Airways and American Airlines. Prices for the flights can vary upon the speed of the flight. When flying from San Francisco to Gatwick, WestJet Airlines, British Airlines, and French Bee Airlines are popular choices.

  • What are the stopover options between California to London?

    With flights leaving from San Francisco to Gatwick, there is usually one stopover which varies in location. Some of those locations include Calgary International Airport which is located in Calgary, Alberta and Denver International Airport which is located in Denver, Colorado. These flights can vary in times from 13h 30m-35h 52m depending on the speed and amount of stopovers chosen. When flying from Los Angeles to Heathrow, typically flights are nonstop and can vary from 10h 43m-21h 28m.

  • Do I need a passport or visa to fly from California to London?

    If you are a US Citizen and are planning a trip from California to London, you will not need a visa for tourist or business travel for up to six months. If you plan on staying past the six months then you will be required to obtain a visa. If you are not planning to stay longer than six months only a valid passport for a minimum of six months prior to your trip.

  • How long is the flight from California to London?

    Departing from California to London will take you 17h 30m. Airlines will cover a distance of 5469 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    For one-way options, check prices for Norse Atlantic UK. According to our data, you can fly for as low as $182. Users have also found prices from $222 and $222 on American Airlines and Delta, respectively.

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

  • 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: KLM (91%), SAUDIA (91%), Air France( 91%).

  • What are the cheapest flights from California to London?

    The cheapest flight price from California to London is $324. On average you can expect to pay $2,883. The most popular route, (Los Angeles - London Heathrow), can usually be booked for $549.

  • 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 vacation 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, February is the cheapest month in which you can book a flight from California to London (average of $692). Flying from California to London in June is currently the most expensive (average of $1,311). 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

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Ilford
Dorking
Gatwick
Hounslow
Wembley
Harrow
Southend-on-Sea
Basingstoke
Dartford
Winchester
Croydon
Kingston upon Thames
Chipping Norton
Slough
Eastbourne
Watford
Stansted
Sutton
Luton
Bedford

Browse thousands of different options on Cheapflights for your next trip

Top 10 airlines flying from California to London

AirlineCheapestAverageFlexibilityOn-time
CondorCheapest$280Average$280FlexibilityNo cancel feeOn-time76%
Brussels AirlinesCheapest$291Average$1,199FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$297Average$1,086FlexibilityNo cancel feeOn-time62%
SWISSCheapest$356Average$1,014FlexibilityNo cancel feeOn-time79%
TAP AIR PORTUGALCheapest$438Average$643FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$480Average$930FlexibilityNo cancel feeOn-time77%
Scandinavian AirlinesCheapest$495Average$879FlexibilityNo cancel feeOn-time77%
Norse Atlantic UKCheapest$505Average$752FlexibilityNo cancel feeOn-timeN/A
Aer LingusCheapest$510Average$921FlexibilityNo cancel feeOn-timeN/A
Austrian AirlinesCheapest$554Average$1,254FlexibilityNo cancel feeOn-time78%

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