Cheap flights from California to London from £157
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 3/8. 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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0 bags
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Cheap return flights
These are some of the best return flight deals from California to London that have been recently found on momondo from popular airlines, departing in the coming months.
Cheap one-way flights
Flying one-way? These are some of the best deals recently discovered on momondo for flights from California to London.
Cheap last-minute flights
Planning a quick getaway from California to London? These are the last-minute flight deals available now.
Cheap direct flights
If you prefer a non-stop journey, check out our latest direct flight deals to London, so you can enjoy a seamless trip without stopovers.
SWISS flights from California to London
Our best SWISS deals on California to London flight tickets
SWISS![SWISS]()
16 Mar![SWISS]()
1 Apr
SFO20:25San Francisco
14h 25m
1 stop
LHR17:50London Heathrow
LHR18:40London Heathrow
29h 30m
1 stop
SFO16:10San Francisco
SWISS![SWISS]()
29 Apr![SWISS]()
7 May
SFO19:30San Francisco
18h 00m
2 stops
LHR21:30London Heathrow
LHR08:40London Heathrow
15h 30m
1 stop
SFO16:10San Francisco
TAP AIR PORTUGAL flights from California to London
Our best TAP AIR PORTUGAL deals on California to London flight tickets
TAP AIR PORTUGAL![TAP AIR PORTUGAL]()
10 Aug![TAP AIR PORTUGAL]()
21 Aug
LAX16:40Los Angeles
33h 40m
1 stop
LHR10:20London Heathrow
LHR19:50London Heathrow
26h 45m
1 stop
LAX14:35Los Angeles
TAP AIR PORTUGAL![TAP AIR PORTUGAL]()
19 Jul![TAP AIR PORTUGAL]()
18 Aug
LAX16:40Los Angeles
21h 20m
1 stop
LHR22:00London Heathrow
LHR19:50London Heathrow
26h 50m
1 stop
LAX14:40Los Angeles
See travel insights to London from
How to get the cheapest flight ticket from California to London
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
What is the cheapest month to fly to London?
The cheapest month to fly to London from California is in October. Flight prices, which tend to average around £494, are often lower during this time because this is during the off-season. The month of September is another great option to travel to London, with average flight prices from California averaging around £497.
What is the cheapest day to depart on your flight to London?
Our data shows that Tuesday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £544. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from California to London for around £674.
What is the cheapest time of day to depart on your flight to London?
The cheapest time of day to fly to London is in the morning when flights can be purchased for as low as £577. Flights at midday are often more expensive, with an average ticket price of £705.
What is the cheapest California to London flight route?
Fly from Los Angeles to London Gatwick for the best California - London flight prices
How far in advance should I book a flight to London?
You are more likely to see cheaper flights to London from California when booking 7 weeks ahead of your departure date. In general, you can expect to find flights to London for around £633 when searching 7 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from California for as low as £577 on momondo.
What cabin class options are available on California to London flights?
There are 4 cabin classes available to choose from on California to London flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from California to London?
TAP AIR PORTUGAL, Norse Atlantic UK, and WestJet are the most popular carriers operating from California to London
Which airlines fly to London?
Virgin Atlantic, British Airways and Iberia are the top three most popular airlines that fly to London from California according to our data. Virgin Atlantic is the first choice among our users, with 44% of people opting to fly with this airline when travelling to London. Keep in mind that there are 16 different airlines that fly to London on a routine basis, so you have a few additional options to choose from.
How many flights depart from California to London on average per day?
100 flights are operational daily from California to London as of February 2025. The most popular departure time for this route is 17:00, with 56% of flights per day taking off in the afternoon.
How many flights depart from California to London on average per week?
As of February 2025, there are 700 flights per week flying from California to London. The most common day of the week flights depart is Wed, with 15% of flights taking off on this day.
Cheap California to London flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from California to London
When did momondo last update prices for flights from California to London?
Prices for flights from California to London refresh daily.
How many operators does momondo search for flights from California to London?
As of February 2025, there are 16 operators available to choose from for flights from California to London.
How old do you have to be to fly from California to London?
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 California to London.
What documentation or ID do you need to fly to London?
The travel and health documents required for your trip to London 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. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from California to London?
momondo data reveals that the most frequently booked plane model on the route from California to London is Airbus A380-800, representing 22.28% of all bookings. The subsequent popular models are Boeing 787-9 Dreamliner at 16.18%, Boeing 777 at 15.28%, and Boeing 777-300ER at 14.55%.
Best airlines flying from California to London
Compare and see reviews for airlines that fly from California to London with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom £322 | Free Cancellation | Rating 7.3 1,318 reviews | |||
| PriceFrom £380 | Free Cancellation | Rating 7.0 43 reviews | |||
| PriceFrom £387 | Free Cancellation | Rating 7.6 1,273 reviews | |||
| PriceFrom £404 | Free Cancellation | Rating 7.8 1,328 reviews | |||
| PriceFrom £415 | Free Cancellation | Rating 7.1 1,836 reviews | |||
| PriceFrom £417 | Free Cancellation | Rating 7.4 1,441 reviews | |||
| PriceFrom £444 | Free Cancellation | Rating 6.7 6,980 reviews | |||
| PriceFrom £448 | Free Cancellation | Rating 7.5 648 reviews | |||
| PriceFrom £454 | Free Cancellation | Rating 7.0 2,639 reviews | |||
| PriceFrom £457 | Free Cancellation | Rating 6.6 6,739 reviews |
Travelling to a place near London?
Book flights to London if you plan to visit one of these locationsEastbourne
Milton Keynes
Luton
Slough
Southend-on-Sea
Ipswich
Gatwick
Maidstone
Margate
Hounslow
Canterbury
Ilford
Dartford
Colchester
Winchester
Guildford
Chichester
Croydon
Crawley
Worthing
Why use momondo?
Why should I use momondo to find a flight deal from California to London?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from California to London. momondo saves you time and could save you money on your trip.
Can I find flights from California to London with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for California to London flights to just show those with flexible booking policies.
How can momondo help me find flights from California to London?
momondo provides multiple filters to help you find the best flight to London from California. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from California to London right now. Can momondo alert me if prices change?
Yes. momondo can track prices for California to London flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.