Which airlines fly to San Francisco?

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.

Delta Flights to San Francisco

The most popular airline for flights to San Francisco on momondo is Delta, which operates 13 flights in this direction every week. Most depart out of Atlanta Hartsfield-Jackson, with the best deal for Delta flights to San Francisco being £242 (round-trip, London Heathrow to San Francisco, momondo searches within the last 72 hours). In 7,997 Delta reviews, it is rated 7.9 by momondo users.

KLM Flights to San Francisco

KLM flight deals to San Francisco start from £379 - 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 1,406 reviews.

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 30m, respectively.

£288 Cheap Flights to San Francisco in 2025/26

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06:00 - 14:30LHR-SFO

16h 30m1 stop

16:35 - 17:30SFO-LHR

16h 55m1 stop

£389TAP AIR PORTUGAL

Find Deal

Wed, 19 Nov - Wed, 3 Dec

06:00 - 14:45LHR-SFO

16h 45m1 stop

16:35 - 12:40SFO-LHR

36h 05m1 stop

£392TAP AIR PORTUGAL

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Sat, 8 Nov - Sat, 15 Nov

07:40 - 14:50LHR-SFO

15h 10m1 stop

17:25 - 12:00SFO-LHR

10h 35mdirect

£444Lufthansa

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Wed, 26 Nov - Wed, 3 Dec

09:50 - 15:55LCY-SFO

14h 05m1 stop

18:50 - 16:40SFO-LCY

13h 50m1 stop

£493Lufthansa

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Wed, 3 Dec - Wed, 10 Dec

17:05 - 11:50LCY-SFO

26h 45m1 stop

13:55 - 19:35SFO-LCY

21h 40m1 stop

£512Virgin Atlantic

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Mon, 17 Nov - Sun, 30 Nov

07:45 - 23:11LCY-SFO

23h 26m2 stops

13:55 - 19:35SFO-LCY

21h 40m1 stop

£517Virgin Atlantic

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Mon, 17 Nov - Sun, 30 Nov

06:25 - 15:00EDI-SFO

16h 35m1 stop

17:30 - 18:10SFO-EDI

16h 40m1 stop

£546British Airways

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Wed, 25 Feb - Mon, 2 Mar

10:00 - 18:45EDI-SFO

16h 45m1 stop

18:30 - 16:50SFO-EDI

15h 20m1 stop

£547British Airways

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Tue, 3 Mar - Tue, 17 Mar

09:05 - 20:10BHX-SFO

19h 05m1 stop

23:59 - 12:45SFO-BHX

29h 46m2 stops

£590United Airlines

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Wed, 4 Mar - Sun, 8 Mar

12:30 - 01:04EDI-SFO

20h 34m1 stop

00:10 - 08:25SFO-EDI

24h 15m1 stop

£593United Airlines

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Mon, 20 Apr - Sun, 3 May

Fly from

Route

Depart

Return

Price

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Wed 19/11

06:00-14:30

1 stop16h 30m

San Francisco

Wed 3/12

16:35-17:30

1 stop16h 55m

£389

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sat 8/11

06:00-14:45

1 stop16h 45m

San Francisco

Sat 15/11

16:35-12:40

1 stop36h 05m

£392

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Wed 26/11

07:40-14:50

1 stop15h 10m

San Francisco

Wed 3/12

17:25-12:00

Nonstop10h 35m

£444

LondonSan Francisco

LCY - SFO

LCYSFO

London City

Wed 3/12

09:50-15:55

1 stop14h 05m

San Francisco

Wed 10/12

18:50-16:40

1 stop13h 50m

£493

LondonSan Francisco

LCY - SFO

LCYSFO

London City

Mon 17/11

17:05-11:50

1 stop26h 45m

San Francisco

Sun 30/11

13:55-19:35

1 stop21h 40m

£512

LondonSan Francisco

LCY - SFO

LCYSFO

London City

Mon 17/11

07:45-23:11

2 stops23h 26m

San Francisco

Sun 30/11

13:55-19:35

1 stop21h 40m

£517

EdinburghSan Francisco

EDI - SFO

EDISFO

Edinburgh Turnhouse

Wed 25/2

06:25-15:00

1 stop16h 35m

San Francisco

Mon 2/3

17:30-18:10

1 stop16h 40m

£546

EdinburghSan Francisco

EDI - SFO

EDISFO

Edinburgh Turnhouse

Tue 3/3

10:00-18:45

1 stop16h 45m

San Francisco

Tue 17/3

18:30-16:50

1 stop15h 20m

£547

BirminghamSan Francisco

BHX - SFO

BHXSFO

Birmingham

Wed 4/3

09:05-20:10

1 stop19h 05m

San Francisco

Sun 8/3

23:59-12:45

2 stops29h 46m

£590

EdinburghSan Francisco

EDI - SFO

EDISFO

Edinburgh Turnhouse

Mon 20/4

12:30-01:04

1 stop20h 34m

San Francisco

Sun 3/5

00:10-08:25

1 stop24h 15m

£593

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

San Francisco flights insights and trends

Explore insights for your San Francisco flight to craft the best travel plan

Prices

Other information

What is the cheapest month to fly to San Francisco?

The month of September is, on average, the cheapest month to fly to San Francisco from United Kingdom, with most prices found around £436. If you are unable to visit San Francisco during the month of September, then departing from United Kingdom during the month February is also very affordable. Most momondo users find prices during this month for around £439.

What is the absolute cheapest flight to San Francisco?

£26 is the cheapest deal found on momondo in the last two weeks for a flight to San Francisco. This flight is from San Diego and is 83% 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?

The cheapest day to depart on your flight to San Francisco is on a Thursday when prices can be found for as low as £592. 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 £692. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

Our most recent data shows that the best time of day to fly to San Francisco is in the evening. Flights from United Kingdom to San Francisco during this time can be as low as £488. Try not to purchase tickets at midday because they tend to be around £978. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

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 £514 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 £477 on momondo.

Cheapest flights to San Francisco

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

Find flights from London Heathrow Airport to San Francisco

CHEAPEST MONTH TO FLY TO SAN FRANCISCO FROM LONDON HEATHROW AIRPORT	February	17% cheaper	Flying from London Heathrow Airport to San Francisco costs on average just £430 in February
MOST EXPENSIVE MONTH TO FLY TO SAN FRANCISCO FROM LONDON HEATHROW AIRPORT	July	29% more expensive	It costs about £663 for flights to San Francisco from London Heathrow Airport in July
MOST POPULAR MONTH TO FLY TO SAN FRANCISCO FROM LONDON HEATHROW AIRPORT	July	207% more users visited	More momondo users searched in flights to San Francisco from London Heathrow Airport in July than any other month

Cheap San Francisco flight deals and tips

Summary info about San Francisco flight prices, duration and airlines

Best One-Way Price	£288
Best Round-Trip Price	£389
Fastest flight time	26h 14m
Popular in	July

The best one-way flight price to San Francisco from United Kingdom in the last 72 hours is £288 (Manchester to San Francisco).

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The best round-trip flight price to San Francisco from United Kingdom in the last 72 hours is £389 (London Heathrow to San Francisco).

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The fastest flight to San Francisco from United Kingdom takes 26h 14m (Manchester to San Francisco).

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July has the highest demand for flights to San Francisco, with a 15% price increase on average.

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Frequently asked questions about flying to San Francisco

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

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.

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

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 £510. 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 £439.

Is there an alternative airport near San Francisco?

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.

Is there a cheaper alternative to flying into San Francisco?

You can find deals at Santa Rosa Sonoma County Airport for £120 on average, but that price can change based on your departure airport. To save money, try momondo’s Airport-to-Airport Pricing Tool.

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

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

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

As of October 2025, there are 33 operators available to choose from for flights to San Francisco Airport.

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

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.

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.

Carmel-by-the-Sea

Santa Clara

Seaside

Big Sur

Rohnert Park

Sunnyvale

San Ramon

South San Francisco

Capitola

Campbell

Palo Alto

Sausalito

San Bruno

Woodland

Santa Cruz

Redwood City

Burlingame

Modesto

Aptos

Fremont

Why use momondo?

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

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.

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

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

How can momondo help me find flights to San Francisco?

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.

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

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.

An easier way to manage your San Francisco trip

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£288 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 14/12. 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

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Trusted and free

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Recent direct flight deals from the United Kingdom to San Francisco

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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

Explore insights for your San Francisco flight to craft the best travel plan

What is the cheapest month to fly to San Francisco?

What is the absolute cheapest flight to San Francisco?

£26 is the cheapest deal found on momondo in the last two weeks for a flight to San Francisco. This flight is from San Diego and is 83% 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 30m, 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