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Not ready to book? to track prices.Find the cheapest flights from London Heathrow Airport to San Francisco
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British Airways flights from London Heathrow Airport to San Francisco
Our best British Airways deals on London Heathrow Airport to San Francisco flight tickets
United Airlines flights from London Heathrow Airport to San Francisco
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How to get the cheapest flight ticket from London Heathrow Airport to San Francisco
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 San Francisco?
The cheapest month to fly to San Francisco from London Heathrow Airport is in November. Flight prices, which tend to average around €558, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of November, then book flights to San Francisco from London Heathrow Airport during February instead. Flights to San Francisco in February, while not as cheap as those in November, still average around €559.
What is the cheapest day to depart on your flight to San Francisco?
On average, the least expensive day to fly to San Francisco from London Heathrow Airport is on a Monday. momondo users have found tickets for Monday departures for as low as €0. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Saturday is the most expensive day to depart from London Heathrow Airport because it is more convenient for both business and leisure travellers. As a result, prices tend to be around €619.
What is the cheapest time of day to depart on your flight to San Francisco?
According to our data, the cheapest time of day to fly to San Francisco is at midday. momondo users have found flights departing from London Heathrow Airport to San Francisco at midday for as low as €0. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are €1,031 on average. Flights to San Francisco from London Heathrow Airport in the afternoon are generally more expensive because this time of day is more convenient for travellers’ schedules.
What is the cheapest London Heathrow to San Francisco flight route?
Fly from London Heathrow to San Francisco for the best London Heathrow - San Francisco flight prices
How far in advance should I book a flight to San Francisco?
You are more likely to see cheaper flights to San Francisco from London Heathrow Airport when booking 25 weeks ahead of your departure date. In general, you can expect to find flights to San Francisco for around €658 when searching 25 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Francisco from London Heathrow Airport for as low as €606 on momondo.
What cabin class options are available on London Heathrow to San Francisco flights?
There are 2 cabin classes available to choose from on London Heathrow to San Francisco flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
How many flights depart from London Heathrow Airport to San Francisco on average per day?
31 flights are operational daily from London Heathrow Airport to San Francisco as of February 2025. The most popular departure time for this route is 11:00, with 58% of flights per day taking off at midday.
How many flights depart from London Heathrow Airport to San Francisco on average per week?
The number of flights available between London Heathrow Airport and San Francisco is 222 per week as of February 2025. The most frequent departure day is Thu, with 15% of weekly flights leaving on this day.
When to book flights from London Heathrow Airport to San Francisco
Cheap London Heathrow Airport to San Francisco (LHR to SFO) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to San Francisco
Best price found | €427 |
|---|---|
Fastest flight time | 10h 55m |
Direct flights | Every day |
Airports in San Francisco | 1 airport |
How far is London Heathrow to San Francisco by plane?
A flight from London Heathrow to San Francisco will travel around 8596.0 km. Flights usually cover this in 10h 55m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from London Heathrow Airport to San Francisco Airport?
Prices for flights from London Heathrow Airport to San Francisco Airport are refreshed on a daily basis.
How old do you have to be to fly from London Heathrow Airport to San Francisco Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London Heathrow Airport to San Francisco Airport.
What documentation or ID do you need to fly to San Francisco Airport?
The required travel and health documents for your San Francisco Airport 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 licence and a passport valid for six months after your intended arrival at San Francisco Airport. 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 San Francisco?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from London Heathrow Airport to San Francisco is Boeing 777 (30.75% of total bookings). The next most popular plane models are Boeing 787-9 Dreamliner (23.20%), Airbus A380-800 (22.45%), and Boeing 777-300ER (13.74%).
Travelling to a place near San Francisco?
Book flights to San Francisco if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from London to San Francisco?
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 London to San Francisco for you.
Can I find flights from London to San Francisco with flexible booking policies on momondo?
Yes. All flights to San Francisco from London on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from London to San Francisco?
Once you have performed a search for London to San Francisco flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from London to San Francisco right now. Can momondo alert me if prices change?
Yes. momondo can track prices for London to San Francisco 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.