Cheap flights from London Heathrow Airport to California from $277
This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to California departing on 9/10. 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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How to get the cheapest flight ticket from London Heathrow Airport to California
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 cheapest month to fly to California?
The month of February is another great option to travel to California, with average flight prices from London Heathrow Airport averaging around $582.
What is the cheapest day to depart on your flight to California?
The cheapest day to depart from London Heathrow Airport to California is on a Thursday. Travelers who choose to depart for California on a Thursday will often find tickets for as low as $715. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to California on Sunday is $850.
What is the cheapest time of day to depart on your flight to California?
The cheapest time of day to fly to California is in the afternoon when flights can be purchased for as low as $736. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $778 on average. Flights to California from London Heathrow Airport in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.
What is the cheapest London Heathrow to California flight route?
Fly from London Heathrow to San Francisco for the best London Heathrow - California flight prices
How far in advance should I book a flight to California?
You are more likely to see cheaper flights to California from London Heathrow Airport when booking 19 weeks ahead of your departure date. In general, you can expect to find flights to California for around $682 when searching 19 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to California from London Heathrow Airport for as low as $601 on momondo.
What cabin class options are available on London Heathrow to California flights?
There are 4 cabin classes available to choose from on London Heathrow to California 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 London Heathrow to California?
Vueling, Iberia, and Aer Lingus are the most popular carriers operating from London Heathrow to California
What airlines fly to California?
British Airways, United Airlines and American Airlines are the top three most popular airlines that fly to California from London Heathrow Airport according to our data. British Airways is the first choice among our users, with 45% of people opting to fly with this airline when traveling to California. Keep in mind that there are 12 different airlines that fly to California on a routine basis, so you have a few additional options to choose from.
How many flights depart from London Heathrow Airport to California on average per day?
As of June 2025, there are 109 flights per day flying from London Heathrow Airport to California. The most common time of day flights depart is 2:00PM, with 65% of flights taking off in the afternoon.
How many flights depart from London Heathrow Airport to California on average per week?
The number of flights available between London Heathrow Airport and California is 767 per week as of June 2025. The most frequent departure day is Wed, with 15% of weekly flights leaving on this day.
Cheap London Heathrow Airport to California flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to California
Best Price Found | $309 |
|---|---|
Fastest flight time | 10h 20m |
Direct flights | Every day |
Airports in California | 4 airports |
When did momondo last update prices for flights from London Heathrow Airport to California?
Prices for flights from London Heathrow Airport to California refresh daily.
How many operators does momondo search for flights from London Heathrow Airport to California?
There are 12 operators available for flights from London Heathrow Airport to California as of June 2025.
How old do you have to be to fly from London Heathrow Airport to California?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from London Heathrow Airport to California.
What documentation or ID do you need to fly to California?
The required travel and health documents for your California trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at California. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from London Heathrow Airport to California?
momondo data reveals that the most frequently booked plane model on the route from London Heathrow Airport to California is Boeing 787-9 Dreamliner, representing 24.78% of all bookings. The subsequent popular models are Boeing 777-300ER at 14.42%, Airbus A350-1000 at 13.57%, and Airbus A380-800 at 12.67%.
Best airlines flying from London Heathrow Airport to California
Compare and see reviews for airlines that fly from London Heathrow Airport to California with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $507 | Free Cancellation | Rating 6.6 7,008 reviews | |||
| PriceFrom $510 | Free Cancellation | Rating 7.6 802 reviews | |||
| PriceFrom $510 | Free Cancellation | Rating 7.3 1,387 reviews | |||
| PriceFrom $512 | Free Cancellation | Rating 7.4 355 reviews | |||
| PriceFrom $516 | Free Cancellation | Rating 7.4 652 reviews | |||
| PriceFrom $518 | Free Cancellation | Rating 7.0 2,776 reviews | |||
| PriceFrom $522 | Free Cancellation | Rating 8.0 7,950 reviews | |||
| PriceFrom $523 | Free Cancellation | Rating 7.4 8,790 reviews | |||
| PriceFrom $524 | Free Cancellation | Rating 6.7 7,136 reviews | |||
| PriceFrom $544 | Free Cancellation | Rating 7.2 10,000 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from London to California?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from London to California. momondo saves you time and could save you money on your trip.
Can I find flights from London to California with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to California from London with this policy.
How can momondo help me find flights from London to California?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from London to California.
I’m not ready to book a flight from London to California right now. Can momondo alert me if prices change?
Price alerts on flights to California from London are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.