Question 1

What are the cheapest airlines to fly from San Francisco Bay Area to London one-way?

Accepted Answer

For one-way options, check prices for Virgin Atlantic. According to our data, you can fly for as low as £173. Users have also found prices from £266 and £274 on KLM and Air France, respectively.

Question 2

How far ahead should I book a flight from San Francisco Bay Area to London?

Accepted Answer

Booking 68 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Francisco Bay Area to London. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Question 3

What is the cheapest month to book a flight from San Francisco Bay Area to London?

Accepted Answer

Currently, February is the cheapest month in which you can book a flight from San Francisco Bay Area to London (average of £487). Flying from San Francisco Bay Area to London in June is currently the most expensive (average of £968). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Question 4

What is the cheapest day to fly from San Francisco Bay Area to London?

Accepted Answer

Travellers seeking maximum savings on their San Francisco Bay Area to London flight should consider departing on Saturday at midday when fares are most often at their lowest. Wednesday at midday flights should be avoided if possible as fares are typically the most expensive at this time.

Question 5

E

Accepted Answer

In terms of precipitation, rainfall in London ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London when rainfall is around 40.0 mm.

Question 6

E

Accepted Answer

If weather is an important factor for your trip to London, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

Question 7

What are the most popular routes from San Francisco Bay Area to London?

Accepted Answer

The most popular route from San Francisco Bay Area to London is San Francisco - London Heathrow. You may also consider San Francisco - London Gatwick or San Francisco - London Stansted.

Question 8

What are the cheapest flights from San Francisco Bay Area to London?

Accepted Answer

On average you can expect to pay £733 for a flight from San Francisco Bay Area to London. The cheapest flight overall is £282 while the most popular route, (San Francisco - London Heathrow) is currently priced at £477.

Question 9

What are the most reliable airlines from San Francisco Bay Area to London?

Accepted Answer

No one likes to see their flight delayed. When booking a flight from San Francisco Bay Area to London consider choosing KLM (82%), SAUDIA (82%) or Air France (82%) as they are the most reliable in getting you off to your destination on time.

Question 10

What are the most popular airlines that fly from San Francisco Bay Area to London?

Accepted Answer

Virgin Atlantic, British Airways and United Airlines are the most popular airlines when flying from San Francisco Bay Area to London.

Question 11

What is the cheapest time of day to fly from XIH to LON?

Accepted Answer

It’s typically best to fly out from San Francisco Bay Area to London in the morning. Doing so could potentially save you 33% on the flight price compared to flying at midday, which is usually more expensive.

Question 12

Can I find deals for flights from San Francisco Bay Area to London that include hotel bookings?

Accepted Answer

Yes. In addition to deals on San Francisco Bay Area to London flights, Cheapflights offers holiday packages that include both flights and hotel.

Question 13

How can I find direct flights from San Francisco Bay Area to London?

Accepted Answer

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Francisco Bay Area to London.

Question 14

Can I find deals for business class flights from San Francisco Bay Area to London?

Accepted Answer

Yes. Cheapflights offers flight deals from San Francisco Bay Area to London by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Question 15

How does Cheapflights help users find flights from San Francisco Bay Area to London?

Accepted Answer

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to London from San Francisco Bay Area today with Cheapflights!

Question 16

Why should you use Cheapflights to find cheap flight tickets from San Francisco Bay Area to London?

Accepted Answer

Cheapflights simply makes it quick and affordable to book flights from San Francisco Bay Area to London by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Question 17

Can Cheapflights find flights from San Francisco Bay Area to London with no change fees?

Accepted Answer

Need flexible booking options for your flight to London from San Francisco Bay Area? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Question 18

Can Cheapflights notify me if prices for flights from San Francisco Bay Area to London become cheaper?

Accepted Answer

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to London from San Francisco Bay Area today and book when prices fit your budget.

Popular in	June
Cheapest in	February
Average price	£705

Airline	Cheapest	Average	Flexibility	On-time
Virgin Atlantic	Cheapest£454	Average£581	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
KLM	Cheapest£457	Average£732	FlexibilityNo cancel fee	On-time75%	Search KLM flights
British Airways	Cheapest£464	Average£777	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
United Airlines	Cheapest£475	Average£627	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Delta	Cheapest£589	Average£899	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights

Cheap flights from San Francisco Bay Area to London

Find flight deals from San Francisco Bay Area to London

Popular in

Cheapest in

Average price

Cheapflights Insights

How far ahead should I book a flight from San Francisco Bay Area to London?

Booking 68 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Francisco Bay Area to London. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from San Francisco Bay Area to London?

What is the cheapest time of day to fly from XIH to LON?

It’s typically best to fly out from San Francisco Bay Area to London in the morning. Doing so could potentially save you 33% on the flight price compared to flying at midday, which is usually more expensive.

What is the cheapest day to fly from San Francisco Bay Area to London?

Travellers seeking maximum savings on their San Francisco Bay Area to London flight should consider departing on Saturday at midday when fares are most often at their lowest. Wednesday at midday flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing London

See what other customers who have flown with KLM,Air France, andVirgin Atlantic from San Francisco Bay Area to London have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

What are the cheapest airlines to fly from San Francisco Bay Area to London one-way?

What are the most popular routes from San Francisco Bay Area to London?

What are the most reliable airlines from San Francisco Bay Area to London?

What are the cheapest flights from San Francisco Bay Area to London?

Can I find deals for flights from San Francisco Bay Area to London that include hotel bookings?

How can I find direct flights from San Francisco Bay Area to London?

Can I find deals for business class flights from San Francisco Bay Area to London?

What is the cheapest month to book a flight from San Francisco Bay Area to London?

Travelling to a place near London?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for San Francisco Bay Area to London

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to London by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to England

Book a non-stop flight to one of these other cities located in England.

Search flights from San Francisco Bay Area to London by cabin class

Find flights from San Francisco Bay Area to London, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Other flights to London

Explore flights to London departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 30 October 2026.

San Francisco Bay Area and London flights

Browse other San Francisco Bay Area and London flight options. Last updated on 30 October 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

San Francisco Bay Area to London flights

Consider these flights travelling from San Francisco Bay Area to London.

Top 5 airlines flying from San Francisco Bay Area to London

Fly with Cheapflights

How does Cheapflights help users find flights from San Francisco Bay Area to London?

Why should you use Cheapflights to find cheap flight tickets from San Francisco Bay Area to London?

Can Cheapflights find flights from San Francisco Bay Area to London with no change fees?

Can Cheapflights notify me if prices for flights from San Francisco Bay Area to London become cheaper?

100% Free

Book with Flexibility

Travel Smart