Question 1

What is the cheapest San Francisco Bay Area to London Heathrow flight route?

Accepted Answer

Fly from San Francisco to London Heathrow for the best San Francisco Bay Area - London Heathrow flight prices

Question 2

What is the cheapest day to depart on your flight to London Heathrow Airport?

Accepted Answer

On average, the least expensive day to fly to London Heathrow Airport from San Francisco Bay Area is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as £491. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Thursday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Thursday is £688.

Question 3

Which airlines fly to London Heathrow Airport?

Accepted Answer

Virgin Atlantic, United Airlines and British Airways are the top three most popular airlines that fly to London Heathrow Airport from San Francisco Bay Area according to our data. Virgin Atlantic is the first choice among our users, with 33% of people opting to fly with this airline when travelling to London Heathrow Airport. Keep in mind that there are 9 different airlines that fly to London Heathrow Airport on a routine basis, so you have a few additional options to choose from.

Question 4

What is the cheapest airline that flies from San Francisco Bay Area to London Heathrow?

Accepted Answer

Iberia, Scandinavian Airlines, and TAP AIR PORTUGAL are the most popular carriers operating from San Francisco Bay Area to London Heathrow

Question 5

Can stopping save me money on San Francisco Bay Area to London Heathrow Airport flights?

Accepted Answer

No. A direct flight is the cheapest option for a flight between San Francisco Bay Area to London Heathrow Airport.

Question 6

How far in advance should I book a flight to London Heathrow Airport?

Accepted Answer

You are more likely to see cheaper flights to London Heathrow Airport from San Francisco Bay Area when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around £567 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from San Francisco Bay Area for as low as £519 on momondo.

Question 7

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

Accepted Answer

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the evening. momondo users have found flights departing from San Francisco Bay Area to London Heathrow Airport in the evening for as low as £542. 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 at midday when prices are £794 on average. Flights to London Heathrow Airport from San Francisco Bay Area at midday are generally more expensive because this time of day is more convenient for travellers’ schedules.

Question 8

What cabin class options are available on San Francisco Bay Area to London Heathrow flights?

Accepted Answer

There are 4 cabin classes available to choose from on San Francisco Bay Area to London Heathrow flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Question 9

How many flights depart from San Francisco Bay Area to London Heathrow Airport on average per day?

Accepted Answer

As of September 2025, there are 42 flights per day flying from San Francisco Bay Area to London Heathrow Airport. The most common time of day flights depart is 16:00, with 55% of flights taking off in the afternoon.

Question 10

How many flights depart from San Francisco Bay Area to London Heathrow Airport on average per week?

Accepted Answer

As of September 2025, 294 flights take off from San Francisco Bay Area and land in London Heathrow Airport each week. The most common flight departure day for this route is Mon, with 14% of weekly flights taking off on this day.

Question 11

What is the cheapest month to fly to London Heathrow Airport?

Accepted Answer

In general, October is the cheapest month to fly from San Francisco Bay Area to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £476. The month of September is another great option to travel to London Heathrow Airport, with average flight prices from San Francisco Bay Area averaging around £494.

Question 12

When did momondo last update prices for flights from San Francisco Bay Area to London Heathrow Airport?

Accepted Answer

Prices for flights from San Francisco Bay Area to London Heathrow Airport are updated daily.

Question 13

How many operators does momondo search for flights from San Francisco Bay Area to London Heathrow Airport?

Accepted Answer

As of September 2025, there are 9 operators available to choose from for flights from San Francisco Bay Area to London Heathrow Airport.

Question 14

How old do you have to be to fly from San Francisco Bay Area to London Heathrow Airport?

Accepted Answer

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 Heathrow Airport.

Question 15

What documentation or ID do you need to fly to London Heathrow Airport?

Accepted Answer

The required travel and health documents for your London Heathrow 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 license and a passport valid for six months after your intended arrival at London Heathrow Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Fastest flight time	10h 10m
Direct flights	Every day

Airline	Rating	Free Cancellation	Price
Scandinavian Airlines	PriceFrom £353	Free Cancellation	Rating 7.4 1,483 reviews	Search Scandinavian Airlines flights
Virgin Atlantic	PriceFrom £366	Free Cancellation	Rating 7.4 664 reviews	Search Virgin Atlantic flights
KLM	PriceFrom £367	Free Cancellation	Rating 7.8 1,386 reviews	Search KLM flights
British Airways	PriceFrom £384	Free Cancellation	Rating 6.7 7,354 reviews	Search British Airways flights
TAP AIR PORTUGAL	PriceFrom £389	Free Cancellation	Rating 7.1 1,975 reviews	Search TAP AIR PORTUGAL flights
United Airlines	PriceFrom £414	Free Cancellation	Rating 7.4 8,944 reviews	Search United Airlines flights
Iberia	PriceFrom £425	Free Cancellation	Rating 7.0 2,921 reviews	Search Iberia flights
Lufthansa	PriceFrom £427	Free Cancellation	Rating 6.8 7,409 reviews	Search Lufthansa flights
Air Canada	PriceFrom £432	Free Cancellation	Rating 7.1 10,000 reviews	Search Air Canada flights

Cheap flights from San Francisco Bay Area to London from £161

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 14/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

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

Aer Lingus flights from San Francisco Bay Area to London Heathrow Airport

Our best Aer Lingus deals on San Francisco Bay Area to London Heathrow Airport flight tickets

United Airlines flights from San Francisco Bay Area to London Heathrow Airport

Our best United Airlines deals on San Francisco Bay Area to London Heathrow Airport flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from San Francisco Bay Area to London Heathrow Airport that are best for you.

See travel insights to London from

How to get the cheapest flight ticket from San Francisco Bay Area to London Heathrow Airport

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 Heathrow Airport?

What is the cheapest day to depart on your flight to London Heathrow Airport?

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

What is the cheapest San Francisco Bay Area to London Heathrow flight route?

Fly from San Francisco to London Heathrow for the best San Francisco Bay Area - London Heathrow flight prices

How far in advance should I book a flight to London Heathrow Airport?

What cabin class options are available on San Francisco Bay Area to London Heathrow flights?

There are 4 cabin classes available to choose from on San Francisco Bay Area to London Heathrow 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 San Francisco Bay Area to London Heathrow Airport flights?

No. A direct flight is the cheapest option for a flight between San Francisco Bay Area to London Heathrow Airport.

What is the cheapest airline that flies from San Francisco Bay Area to London Heathrow?

Iberia, Scandinavian Airlines, and TAP AIR PORTUGAL are the most popular carriers operating from San Francisco Bay Area to London Heathrow

Which airlines fly to London Heathrow Airport?

How many flights depart from San Francisco Bay Area to London Heathrow Airport on average per day?

As of September 2025, there are 42 flights per day flying from San Francisco Bay Area to London Heathrow Airport. The most common time of day flights depart is 16:00, with 55% of flights taking off in the afternoon.

How many flights depart from San Francisco Bay Area to London Heathrow Airport on average per week?

As of September 2025, 294 flights take off from San Francisco Bay Area and land in London Heathrow Airport 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 Heathrow Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Francisco Bay Area to London Heathrow Airport

Fastest flight time

Direct flights

When did momondo last update prices for flights from San Francisco Bay Area to London Heathrow Airport?

How many operators does momondo search for flights from San Francisco Bay Area to London Heathrow Airport?

How old do you have to be to fly from San Francisco Bay Area to London Heathrow Airport?

What documentation or ID do you need to fly to London Heathrow Airport?

What is the most popular plane model from San Francisco Bay Area to London Heathrow Airport?

Best airlines flying from San Francisco Bay Area to London Heathrow Airport

Compare and see reviews for airlines that fly from San Francisco Bay Area to London Heathrow Airport with momondo

Travelling to a place near London?

Why use momondo?

Why should I use momondo to find a flight deal from San Francisco Bay Area to London?

Can I find flights from San Francisco Bay Area to London with flexible booking policies on momondo?

How can momondo help me find flights from San Francisco Bay Area to London?

I’m not ready to book a flight from San Francisco Bay Area to London right now. Can momondo alert me if prices change?

An easier way to manage your London Heathrow Airport trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to London

Popular Cities in the United Kingdom

Popular flights according to clicks in the last 7 days on momondo