Cheap flights from California to London Heathrow Airport from $198
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 Heathrow Airport departing on 8/3. 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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Cheap round-trip flights
These are some of the best round-trip 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 layovers.
SWISS flights from California to London Heathrow Airport
Our best SWISS deals on California to London Heathrow Airport flight tickets
SWISS![SWISS]()
Mar 17![SWISS]()
Mar 26
LAX8:10 pmLos Angeles
18h 15m
2 stops
LHR9:25 pmLondon Heathrow
LHR7:30 pmLondon Heathrow
29h 00m
2 stops
LAX5:30 pmLos Angeles
SWISS![SWISS]()
Mar 31![SWISS]()
May 12
LAX7:35 pmLos Angeles
17h 55m
2 stops
LHR9:30 pmLondon Heathrow
LHR8:40 amLondon Heathrow
15h 50m
1 stop
LAX4:30 pmLos Angeles
TAP AIR PORTUGAL flights from California to London Heathrow Airport
Our best TAP AIR PORTUGAL deals on California to London Heathrow Airport flight tickets
TAP AIR PORTUGAL![TAP AIR PORTUGAL]()
Aug 10![TAP AIR PORTUGAL]()
Aug 21
LAX4:40 pmLos Angeles
33h 40m
1 stop
LHR10:20 amLondon Heathrow
LHR7:50 pmLondon Heathrow
26h 45m
1 stop
LAX2:35 pmLos Angeles
TAP AIR PORTUGAL![TAP AIR PORTUGAL]()
Aug 5![TAP AIR PORTUGAL]()
Aug 19
LAX4:40 pmLos Angeles
18h 10m
1 stop
LHR6:50 pmLondon Heathrow
LHR6:00 amLondon Heathrow
16h 40m
1 stop
LAX2:40 pmLos Angeles
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How to get the cheapest flight ticket from California to London Heathrow Airport
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 Heathrow Airport?
The month of October is, on average, the cheapest month to fly to London Heathrow Airport from California, with most prices found around $642. If you’re not able to fly to London Heathrow Airport in October, then April is your next best option. Flight prices from California to London Heathrow Airport during April average around $663.
What is the cheapest day to depart on your flight to London Heathrow Airport?
Our data shows that Wednesday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $812. The most expensive day to fly to London Heathrow Airport is Saturday, with ticket prices averaging around $964.
What is the cheapest time of day to depart on your flight to London Heathrow Airport?
According to our data, the cheapest time of day to fly to London Heathrow Airport is in the morning. momondo users have found flights departing from California to London Heathrow Airport in the morning for as low as $748. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights at noon are often more expensive with an average ticket price of $929.
What is the cheapest California to London Heathrow flight route?
Fly from Los Angeles to London Heathrow for the best California - London Heathrow flight prices
How far in advance should I book a flight to London Heathrow Airport?
You are more likely to see cheaper flights to London Heathrow Airport from California when booking 7 weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around $800 when searching 7 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from California for as low as $730 on momondo.
What cabin class options are available on California to London Heathrow flights?
There are 4 cabin classes available to choose from on California to London Heathrow 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 Heathrow?
TAP AIR PORTUGAL, WestJet, and British Airways are the most popular carriers operating from California to London Heathrow
What airlines fly to London Heathrow Airport?
British Airways, United Airlines and Virgin Atlantic are the top three most popular airlines that fly to London Heathrow Airport from California according to our data. British Airways is the first choice among our users, with 37% of people opting to fly with this airline when traveling to London Heathrow Airport. Keep in mind that there are 21 different airlines that fly to London Heathrow Airport on a routine basis, so you have a few additional options to choose from.
How many flights depart from California to London Heathrow Airport on average per day?
As of February 2025, 99 flights take off from California and land in London Heathrow Airport each day. The most common flight departure time for this route is 5:00PM, with 56% of daily flights taking off in the afternoon.
How many flights depart from California to London Heathrow Airport on average per week?
As of February 2025, there are 699 flights per week flying from California to London Heathrow Airport. The most common day of the week flights depart is Wed, with 15% of flights taking off on this day.
Cheap California to London Heathrow Airport flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from California to London Heathrow Airport
When did momondo last update prices for flights from California to London Heathrow Airport?
Prices for flights from California to London Heathrow Airport refresh daily.
How many operators does momondo search for flights from California to London Heathrow Airport?
There are 21 operators available for flights from California to London Heathrow Airport as of February 2025.
How old do you have to be to fly from California to London Heathrow Airport?
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 Heathrow Airport.
What documentation or ID do you need to fly to London Heathrow Airport?
The travel and health documents required for your trip to London Heathrow Airport 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 Heathrow Airport. 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 Heathrow Airport?
Based on momondo bookings for flights between California and London Heathrow Airport, the leading plane model is Airbus A380-800, making up 22.39% of the total bookings. Other popular models include Boeing 777 with 16.46%, Boeing 787-9 Dreamliner with 16.04%, and Boeing 777-300ER with 13.53%.
Best airlines flying from California to London Heathrow Airport
Compare and see reviews for airlines that fly from California to London Heathrow Airport with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $272 | Free Cancellation | Rating 7.2 2,794 reviews | |||
| PriceFrom $419 | Free Cancellation | Rating 7.3 1,319 reviews | |||
| PriceFrom $454 | Free Cancellation | Rating 7.5 650 reviews | |||
| PriceFrom $463 | Free Cancellation | Rating 7.8 1,331 reviews | |||
| PriceFrom $465 | Free Cancellation | Rating 7.6 1,273 reviews | |||
| PriceFrom $467 | Free Cancellation | Rating 7.4 1,444 reviews | |||
| PriceFrom $473 | Free Cancellation | Rating 7.0 43 reviews | |||
| PriceFrom $474 | Free Cancellation | Rating 8.0 8,140 reviews | |||
| PriceFrom $486 | Free Cancellation | Rating 6.7 6,981 reviews | |||
| PriceFrom $492 | Free Cancellation | Rating 7.1 1,836 reviews |
Traveling to a place near London?
Book flights to London if you plan to visit one of these locationsHounslow
Gatwick
Croydon
Luton
Guildford
Slough
Ipswich
Hayes
Stansted
Ilford
Canterbury
Dover
Salisbury
Swindon
Milton Keynes
Dartford
Horley
Colchester
Wembley
Poole
Why use momondo?
Why should I use momondo to find a flight deal from California to London?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from California to London for you.
Can I find flights from California to London with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to London from California with this policy.
How can momondo help me find flights from California to London?
Once all potential California to London flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from California to London right now. Can momondo alert me if prices change?
If you are simply researching potential flights to London, momondo offers a useful price alert feature which will track prices for flights to London from California and alert you when they change.
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