Cheap flights from Los Angeles to London from $145
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Los Angeles to London departing on 7/17. 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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United Airlines flights from Los Angeles to London
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How to get the cheapest flight ticket from Los Angeles 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
What is the typical price of a round-trip flight between Los Angeles and London?
What is the cheapest month to fly to London?
The cheapest month to fly to London from Los Angeles is in October. Flight prices, which tend to average around $626, 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 Los Angeles averaging around $643.
What is the cheapest day to depart on your flight to London?
The cheapest day to depart from Los Angeles to London is on a Wednesday. Travelers who choose to depart for London on a Wednesday will often find tickets for as low as $775. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $894. These prices are subject to change though, so be sure to set up a Price Alert for flights to London.
What is the cheapest time of day to depart on your flight to London?
Flying to London from Los Angeles in the morning is the least expensive time of day to depart. momondo users have found prices as low as $753 when looking at flights departing in the morning. Flights to London are more costly in the evening, with an average ticket price of $853. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.
What is the cheapest Los Angeles to London flight route?
Fly from Los Angeles to London Gatwick for the best Los Angeles - 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 Los Angeles when booking 12 weeks ahead of your departure date. In general, you can expect to find flights to London for around $786 when searching 12 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Los Angeles for as low as $710 on momondo.
What cabin class options are available on Los Angeles to London flights?
There are 4 cabin classes available to choose from on Los Angeles to London flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
Can stopping save me money on Los Angeles to London flights?
No. A direct flight is the cheapest option for a flight between Los Angeles to London.
How have Los Angeles to London flight prices changed over time?
As of June 2025, prices for Los Angeles to London flights are approximately 46% more expensive when compared to flights at the same time last year.
What is the cheapest airline that flies from Los Angeles to London?
Norse Atlantic UK and TAP AIR PORTUGAL are the most popular carriers operating from Los Angeles to London
What airlines fly to London?
British Airways, Iberia and American Airlines are the top three most popular airlines that fly to London from Los Angeles according to our data. British Airways is the first choice among our users, with 46% of people opting to fly with this airline when traveling to London. Keep in mind that there are 20 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 Los Angeles to London on average per day?
As of June 2025, there are 55 flights per day flying from Los Angeles to London. The most common time of day flights depart is 3:00PM, with 57% of flights taking off in the afternoon.
How many flights depart from Los Angeles to London on average per week?
386 flights are operational weekly from Los Angeles to London as of June 2025. The most popular departure day for this route is Mon, with 15% of flights per week taking off on this day.
When to book flights from Los Angeles to London
Cheap Los Angeles to London (LAX to LON) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Los Angeles to London
How far is Los Angeles to London by plane?
London is 5439.4 mi away from Los Angeles. Flights usually cover this in 10h 20m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Los Angeles Airport to London?
Prices for flights from Los Angeles Airport to London refresh daily.
How many operators does momondo search for flights from Los Angeles Airport to London?
As of June 2025, there are 20 operators available to choose from for flights from Los Angeles Airport to London.
How old do you have to be to fly from Los Angeles Airport to London?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Los Angeles Airport to London.
What documentation or ID do you need to fly to London?
The travel and health documents you'll need for your trip to London may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Los Angeles to London?
momondo data reveals that the most frequently booked plane model on the route from Los Angeles to London is Boeing 777-300ER, representing 20.61% of all bookings. The subsequent popular models are Boeing 787-9 Dreamliner at 19.88%, Airbus A380-800 at 14.99%, and Airbus A350-1000 at 14.47%.
What is the most popular airline from Los Angeles to London?
Based on momondo bookings for flights between Los Angeles and London, the leading airline is British Airways, making up 21% of the total bookings. Other popular airlines include Norse Atlantic UK with 20%, Iberia with 13%, and American Airlines with 9%.
Best airlines flying from Los Angeles to London
Compare and see reviews for airlines that fly from Los Angeles to London with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $272 | Free Cancellation | Rating 7.2 2,868 reviews | |||
| PriceFrom $336 | Free Cancellation | Rating 7.5 1,623 reviews | |||
| PriceFrom $395 | Free Cancellation | Rating 7.1 46 reviews | |||
| PriceFrom $418 | Free Cancellation | Rating 7.4 652 reviews | |||
| PriceFrom $419 | Free Cancellation | Rating 7.3 1,387 reviews | |||
| PriceFrom $430 | Free Cancellation | Rating 7.5 1,463 reviews | |||
| PriceFrom $449 | Free Cancellation | Rating 6.7 7,139 reviews | |||
| PriceFrom $479 | Free Cancellation | Rating 6.6 7,008 reviews | |||
| PriceFrom $486 | Free Cancellation | Rating 7.8 1,358 reviews | |||
| PriceFrom $509 | Free Cancellation | Rating 7.1 1,885 reviews |
Delta Flights From Los Angeles to London
Delta flies from Los Angeles to London around 20 times per week, with 7,950 momondo users rating the airline 8.0/10. The cheapest Delta deal from Los Angeles to London in the last 72 hours was $551 (round-trip), much lower than the average airfare cost of $804 for Delta flights on this route.
Alaska Airlines Flights From Los Angeles to London
Another popular option for Los Angeles to London flights is Alaska Airlines (8.0/10, 10,000 ratings). Alaska Airlines flies from Los Angeles to London around 32 times per week, with deals starting from $861 round-trip and rising to an average price of around $1,245.
Traveling to a place near London?
Book flights to London if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Los Angeles to London?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to London from Los Angeles.
Can I find flights from Los Angeles to London with flexible booking policies on momondo?
Yes. All flights to London from Los Angeles on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from Los Angeles to London?
Once all potential Los Angeles 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 Los Angeles 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 Los Angeles and alert you when they change.