Cheap flights from London to San Francisco from ₹ 27,571
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London to San Francisco departing on 4/9. 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 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 typical price of a round-trip flight between London and San Francisco?
What is the cheapest month to fly to San Francisco?
In general, February is the cheapest month to fly from London to San Francisco. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around ₹ 49,405. If you aren’t able to travel to San Francisco during the month of February, then flying in November is also cheap. Prices for this month can be found on momondo for an average of ₹ 50,176.
What is the cheapest day to depart on your flight to San Francisco?
The cheapest day to depart from London to San Francisco is on a Thursday. Travellers who choose to depart for San Francisco on a Thursday will often find tickets for as low as ₹ 48,845. The most expensive day to fly to San Francisco is Wednesday, with ticket prices averaging around ₹ 68,347.
What is the cheapest time of day to depart on your flight to San Francisco?
The cheapest time of day to fly to San Francisco is at midday when flights can be purchased for as low as ₹ 51,598. Flights in the morning are often more expensive, with an average ticket price of ₹ 57,581.
What is the cheapest London to San Francisco flight route?
Fly from London Heathrow to San Francisco for the best London - 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 when booking weeks ahead of your departure date. In general, you can expect to find flights to San Francisco for around ₹ 58,603 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Francisco from London for as low as ₹ 53,344 on momondo.
What cabin class options are available on London to San Francisco flights?
There are 2 cabin classes available to choose from on London to San Francisco 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 London to San Francisco flights?
No. A direct flight is the cheapest option for a flight between London to San Francisco.
How have London to San Francisco flight prices changed over time?
As of July 2025, prices for London to San Francisco flights are approximately 25% more expensive when compared to flights at the same time last year.
What is the cheapest airline that flies from London to San Francisco?
Vueling, Iberia, and WestJet are the most popular carriers operating from London to San Francisco
Which airlines fly to San Francisco?
British Airways, United Airlines and Virgin Atlantic are the top three most popular airlines that fly to San Francisco from London according to our data. British Airways is the first choice among our users, with 39% of people opting to fly with this airline when travelling to San Francisco. Keep in mind that there are 3 different airlines that fly to San Francisco on a routine basis, so you have a few additional options to choose from.
How many flights depart from London to San Francisco on average per day?
42 flights are operational daily from London to San Francisco as of July 2025. The most popular departure time for this route is 10:00, with 59% of flights per day taking off in the afternoon.
How many flights depart from London to San Francisco on average per week?
As of July 2025, there are 294 flights per week flying from London to San Francisco. The most common day of the week flights depart is Mon, with 14% of flights taking off on this day.
When to book flights from London to San Francisco
Cheap London to San Francisco (LON to SFO) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from London to San Francisco
Best price found | ₹ 27,571 |
|---|---|
Fastest flight time | 10h 55m |
Direct flights | Every day |
Airports in San Francisco | 1 airport |
How far is London to San Francisco by plane?
There are 8609.4 km between London and San Francisco. Typically, this will take 10h 55m by plane in normal conditions.
When did momondo last update prices for flights from London to San Francisco Airport?
Prices for flights from London to San Francisco Airport are updated daily.
How many operators does momondo search for flights from London to San Francisco Airport?
As of July 2025, there are 3 operators available to choose from for flights from London to San Francisco Airport.
How old do you have to be to fly from London to San Francisco Airport?
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 to San Francisco Airport.
What documentation or ID do you need to fly to San Francisco Airport?
The travel and health documents required for your trip to San Francisco 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 San Francisco 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 London to San Francisco?
momondo data reveals that the most frequently booked plane model on the route from London to San Francisco is Boeing 777, representing 36.28% of all bookings. The subsequent popular models are Boeing 787-9 Dreamliner at 28.67%, Airbus A380-800 at 15.67%, and Boeing 777-300ER at 6.81%.
What is the most popular airline from London to San Francisco?
Based on momondo bookings for this flight route, the most popular airline on flight routes from London to San Francisco is United Airlines (100% of total bookings).
Best airlines flying from London to San Francisco
Compare and see reviews for airlines that fly from London to San Francisco with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom ₹ 38,625 | Free Cancellation | Rating 7.4 8,852 reviews | |||
| PriceFrom ₹ 44,871 | Free Cancellation | Rating 6.6 7,081 reviews | |||
| PriceFrom ₹ 50,034 | Free Cancellation | Rating 7.4 654 reviews |
United Airlines Flights From London to San Francisco
The lowest priced United Airlines flight from London to San Francisco from the last 72 hours was ₹ 451. Generally, United Airlines has 21 flights on this route every week with an average price of ₹ 1,057. United Airlines is rated 7.4/10 by our users.
Virgin Atlantic Flights From London to San Francisco
The best Virgin Atlantic deal for London to San Francisco flight tickets found on momondo in the last 72 hours was ₹ 584, round-trip. It should be noted that an average Virgin Atlantic flight deal for this route in this time was higher, at ₹ 610 round-trip. Virgin Atlantic operates 14 flights out of London into San Francisco in an average week, so prices vary by time and availability. 654 Virgin Atlantic reviews by users on momondo have scored the airline at 7.4/10.
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?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from London to San Francisco . Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from London to San Francisco with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to San Francisco from London with this policy.
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?
If you are simply researching potential flights to San Francisco, momondo offers a useful price alert feature which will track prices for flights to San Francisco from London and alert you when they change.