Question 1

Why should I use momondo to find a flight deal to San Francisco?

Accepted Answer

Finding the right flight to San Francisco is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. These options can then be filtered down to find the best fit. That is what momondo does. We make finding flights to San Francisco quick and easy, saving you time and money.

Question 2

Can I find flights to San Francisco with flexible booking policies on momondo?

Accepted Answer

Yes. momondo enables you to select and highlight flights to San Francisco with this policy.

Question 3

How can momondo help me find flights to San Francisco?

Accepted Answer

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as filter your options to help you make an informed choice when booking flights to San Francisco.

Question 4

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

Accepted Answer

Of course. momondo tracks the price of San Francisco flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

Question 5

When is it best to fly to San Francisco to go sightseeing?

Accepted Answer

Sights like Fisherman's Wharf, Lombard Street, and Alcatraz are most enjoyable in months with moderate weather conditions like January, February, or December. Plan your flight to San Francisco for those months.

Question 6

How far in advance should I book a flight to San Francisco?

Accepted Answer

In general, most travellers find the cheapest time to book a flight to San Francisco is about 51 days prior to their departure date, when tickets on average are £489. Keep in mind that you might also find cheap flights to San Francisco outside of this time window. In fact, momondo users recently found flights from United Kingdom to San Francisco for £415.

Question 7

Is there an alternative airport near San Francisco?

Accepted Answer

Those flying to San Francisco could potentially find better pricing at Oakland Airport (12 mi from San Francisco city centre), Concord Buchanan Fld Airport (24 mi from San Francisco city centre), Napa County Airport (30 mi from San Francisco city centre), San Jose Airport (40 mi from San Francisco city centre) or Santa Rosa Sonoma County Airport (54 mi from San Francisco city centre) depending on the month and departure airport.

Question 8

Is there a cheaper alternative to flying into San Francisco?

Accepted Answer

You can find deals at Santa Rosa Sonoma County Airport for £116 on average, but that price can change based on your departure airport. To save money, try momondo’s Airport-to-Airport Pricing Tool.

Question 9

Which airlines fly to San Francisco?

Accepted Answer

British Airways, Virgin Atlantic, Lufthansa and United Airlines are the most popular airlines that fly from United Kingdom to San Francisco on a routine basis, according to our data. You should be able to find flights to San Francisco with these airlines and other airlines flying from United Kingdom.

Question 10

Delta Flights to San Francisco

Accepted Answer

The most popular airline for flights to San Francisco on momondo is Delta, which operates 23 flights in this direction every week. Most depart out of Atlanta Hartsfield-Jackson, with the best deal for Delta flights to San Francisco being £233 (round-trip, Edinburgh Turnhouse to San Francisco, momondo searches within the last 72 hours). In 8,138 Delta reviews, it is rated 7.9 by momondo users.

Question 11

KLM Flights to San Francisco

Accepted Answer

KLM flight deals to San Francisco start from £374 - this is the best price found recently on momondo, and was a return journey departing from Birmingham. Over any normal week, KLM flight prices are typically higher, but vary depending on where you fly from - New York John F Kennedy Intl is the most popular KLM departure point to San Francisco so generally has the most availability. KLM is scored a 7.7/10 in 1,448 reviews.

Question 12

When did momondo last update prices for flights to San Francisco Airport?

Accepted Answer

Prices for flights to San Francisco Airport are refreshed on a daily basis.

Question 13

How many operators does momondo search for flights to San Francisco Airport?

Accepted Answer

As of February 2026, there are 28 operators available to choose from for flights to San Francisco Airport.

Question 14

How old do you have to be to fly to San Francisco Airport?

Accepted Answer

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel to San Francisco Airport.

Question 15

What documentation or ID do you need to fly to San Francisco Airport?

Accepted Answer

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.

Question 16

What is the cheapest day to depart on your flight to San Francisco?

Accepted Answer

The cheapest day to depart on your flight to San Francisco is on a Thursday when prices can be found for as low as £556. This is often the case because there is less demand to fly during this day of the week. Flights from United Kingdom to San Francisco on a Sunday will generally be more expensive and average around £655. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

Question 17

How far in advance should I book a flight to San Francisco?

Accepted Answer

You are more likely to see cheaper flights to San Francisco from United Kingdom when booking weeks ahead of your departure date. In general, you can expect to find flights to San Francisco for around £497 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 United Kingdom for as low as £467 on momondo.

Question 18

What is the cheapest month to fly to San Francisco?

Accepted Answer

The month of February is, on average, the cheapest month to fly to San Francisco from United Kingdom, with most prices found around £411. If you are unable to visit San Francisco during the month of February, then departing from United Kingdom during the month September is also very affordable. Most momondo users find prices during this month for around £418.

Question 19

What is the cheapest time of day to depart on your flight to San Francisco?

Accepted Answer

Our most recent data shows that the best time of day to fly to San Francisco is in the morning. Flights from United Kingdom to San Francisco during this time can be as low as £551. Try not to purchase tickets at midday because they tend to be around £808. Of course, these prices can vary depending on the time of year and what airport you fly to.

Question 20

What is the absolute cheapest flight to San Francisco?

Accepted Answer

£79 is the cheapest deal found on momondo in the last two weeks for a flight to San Francisco. This flight is from Las Vegas and is 57% cheaper than most flights to San Francisco. To find the cheapest price to San Francisco from your area, use momondo’s Airport-to-Airport Pricing Tool.

Question 21

How long does it take to fly to San Francisco?

Accepted Answer

If you’re flying from a popular airport in United Kingdom, such as London Heathrow or Manchester, and flying into San Francisco, then you can expect flight times to average 11h and 13h 45m, respectively.

CHEAPEST MONTH TO FLY TO SAN FRANCISCO FROM LONDON HEATHROW AIRPORT	February	19% cheaper	Flying from London Heathrow Airport to San Francisco costs on average just £407 in February
MOST EXPENSIVE MONTH TO FLY TO SAN FRANCISCO FROM LONDON HEATHROW AIRPORT	December	29% more expensive	It costs about £645 for flights to San Francisco from London Heathrow Airport in December
MOST POPULAR MONTH TO FLY TO SAN FRANCISCO FROM LONDON HEATHROW AIRPORT	July	236% more users visited	More momondo users searched in flights to San Francisco from London Heathrow Airport in July than any other month

Best One-Way Price	£239
Best Round-Trip Price	£369
Fastest flight time	18h 20m
Popular in	July

£239 Cheap flights to San Francisco

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight to San Francisco departing on 16/4. 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 the United Kingdom to San Francisco

Cheap return flights

Cheap one-way flights

Cheap last-minute flights

Recent direct flight deals from the United Kingdom to San Francisco

momondo Fare Finder

Use the filters below to find and compare flights to San Francisco that are best for you.

See travel insights to San Francisco from

San Francisco flights insights and trends

What is the cheapest month to fly to San Francisco?

What is the absolute cheapest flight to San Francisco?

£79 is the cheapest deal found on momondo in the last two weeks for a flight to San Francisco. This flight is from Las Vegas and is 57% cheaper than most flights to San Francisco. To find the cheapest price to San Francisco from your area, use momondo’s Airport-to-Airport Pricing Tool.

See prices from:

What is the cheapest day to depart on your flight to San Francisco?

What is the cheapest time of day to depart on your flight to San Francisco?

How far in advance should I book a flight to San Francisco?

How long does it take to fly to San Francisco?

If you’re flying from a popular airport in United Kingdom, such as London Heathrow or Manchester, and flying into San Francisco, then you can expect flight times to average 11h and 13h 45m, respectively.

Cheapest flights to San Francisco

Find the cheapest flights to San Francisco from your nearest city or airport

Cheap San Francisco flight deals and tips

Summary info about San Francisco flight prices, duration and airlines

Best One-Way Price

Best Round-Trip Price

Fastest flight time

Popular in

Frequently asked questions about flying to San Francisco

When is it best to fly to San Francisco to go sightseeing?

How far in advance should I book a flight to San Francisco?

Is there an alternative airport near San Francisco?

Is there a cheaper alternative to flying into San Francisco?

When did momondo last update prices for flights to San Francisco Airport?

How many operators does momondo search for flights to San Francisco Airport?

How old do you have to be to fly to San Francisco Airport?

What documentation or ID do you need to fly to San Francisco Airport?

Travelling to a place near San Francisco?

Why use momondo?

Why should I use momondo to find a flight deal to San Francisco?

Can I find flights to San Francisco with flexible booking policies on momondo?

How can momondo help me find flights to San Francisco?

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

An easier way to manage your San Francisco 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 San Francisco

Popular Flights to San Francisco

Popular routes according to searches in the past day on momondo