Cheap flights from San Francisco Bay Area to London from £149
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Francisco Bay Area to London departing on 6/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names, great deals
Big names, great deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customise your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from San Francisco Bay Area to London
Cheap return flights
Cheap one-way flights
Cheap last-minute flights
Cheap direct flights
TAP AIR PORTUGAL flights from San Francisco Bay Area to London
Our best TAP AIR PORTUGAL deals on San Francisco Bay Area to London flight tickets
British Airways flights from San Francisco Bay Area to London
Our best British Airways deals on San Francisco Bay Area to London flight tickets
See travel insights to London from
How to get the cheapest flight ticket from San Francisco Bay Area 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 cheapest month to fly to London?
The cheapest month to fly to London from San Francisco Bay Area is in October. Flight prices, which tend to average around £462, 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 San Francisco Bay Area averaging around £481.
What is the cheapest day to depart on your flight to London?
Our data shows that Wednesday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £491. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from San Francisco Bay Area to London for around £662.
What is the cheapest time of day to depart on your flight to London?
The cheapest time of day to fly to London is in the evening when flights can be purchased for as low as £561. Flights at midday are often more expensive, with an average ticket price of £785.
What is the cheapest San Francisco Bay Area to London flight route?
Fly from San Francisco to London Heathrow for the best San Francisco Bay Area - 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 San Francisco Bay Area when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around £565 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from San Francisco Bay Area for as low as £530 on momondo.
What cabin class options are available on San Francisco Bay Area to London flights?
There are 4 cabin classes available to choose from on San Francisco Bay Area to London 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 San Francisco Bay Area to London?
TAP AIR PORTUGAL, Iberia, and WestJet are the most popular carriers operating from San Francisco Bay Area to London
Which airlines fly to London?
Virgin Atlantic, United Airlines and British Airways are the top three most popular airlines that fly to London from San Francisco Bay Area according to our data. Virgin Atlantic is the first choice among our users, with 38% of people opting to fly with this airline when travelling to London. Keep in mind that there are 8 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 San Francisco Bay Area to London on average per day?
As of June 2025, there are 42 flights per day flying from San Francisco Bay Area to London. The most common time of day flights depart is 16:00, with 59% of flights taking off in the afternoon.
How many flights depart from San Francisco Bay Area to London on average per week?
As of June 2025, 294 flights take off from San Francisco Bay Area and land in London each week. The most common flight departure day for this route is Mon, with 14% of weekly flights taking off on this day.
Cheap San Francisco Bay Area to London flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from San Francisco Bay Area to London
When did momondo last update prices for flights from San Francisco Bay Area to London?
Prices for flights from San Francisco Bay Area to London are updated daily.
How many operators does momondo search for flights from San Francisco Bay Area to London?
As of June 2025, there are 8 operators available to choose from for flights from San Francisco Bay Area to London.
How old do you have to be to fly from San Francisco Bay Area 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 San Francisco Bay Area 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 San Francisco Bay Area to London?
momondo data reveals that the most frequently booked plane model on the route from San Francisco Bay Area to London is Boeing 777, representing 13.63% of all bookings. The subsequent popular models are Boeing 787-9 Dreamliner at 10.27%, Boeing 737-800 Passenger/BBJ2 (winglets) at 10.23%, and Airbus A320neo at 8.45%.
Best airlines flying from San Francisco Bay Area to London
Compare and see reviews for airlines that fly from San Francisco Bay Area to London with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom £382 | Free Cancellation | Rating 7.1 1,903 reviews | |||
| PriceFrom £412 | Free Cancellation | Rating 7.4 654 reviews | |||
| PriceFrom £418 | Free Cancellation | Rating 7.0 2,802 reviews | |||
| PriceFrom £421 | Free Cancellation | Rating 6.6 7,067 reviews | |||
| PriceFrom £425 | Free Cancellation | Rating 7.1 9,637 reviews | |||
| PriceFrom £433 | Free Cancellation | Rating 7.8 1,365 reviews | |||
| PriceFrom £447 | Free Cancellation | Rating 7.4 8,838 reviews | |||
| PriceFrom £471 | Free Cancellation | Rating 6.8 7,191 reviews |
Travelling 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 San Francisco Bay Area to London?
It is quick and easy to find San Francisco Bay Area to London flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to London that suits you.
Can I find flights from San Francisco Bay Area to London with flexible booking policies on momondo?
Yes. All flights to London from San Francisco Bay Area on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from San Francisco Bay Area to London?
momondo helps you find the best flight between San Francisco Bay Area and London by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from San Francisco Bay Area to London right now. Can momondo alert me if prices change?
If you are not ready to book a flight from San Francisco Bay Area to London now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to London and let you know when they change.