How long is the flight from United Kingdom to San Francisco?

A quick flight from United Kingdom to San Francisco can take about 15h 10m. Lufthansa provides one of the quickest options available for as low as £414. Airlines will cover a distance of 5350 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

What are the cheapest airlines to fly from United Kingdom to San Francisco one-way?

To fly one-way, consider booking your trip with Aer Lingus, which is currently one of the cheapest options available, starting at £382. TAP AIR PORTUGAL flights start at £388 while deals on United Airlines start at £389 one-way.

In terms of precipitation, rainfall in San Francisco ranges from 0.0 - 112.0 inches per month. January is typically the wettest month, when rainfall can reach 112.0 mm. July is typically the driest time to visit San Francisco when rainfall is around 0.0 mm.

If weather is an important factor for your trip to San Francisco, use this chart to help with planning. For those seeking warmer temperatures, September 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 11.0 C).

What are the most popular routes from United Kingdom to San Francisco?

Most travelers choose London Heathrow - San Francisco, London Gatwick - San Francisco or London City - San Francisco when deciding on the best route from United Kingdom to San Francisco.

What are the cheapest flights from United Kingdom to San Francisco?

On average you can expect to pay £1,931 for a flight from United Kingdom to San Francisco. The cheapest flight overall is £408 while the most popular route, (London Heathrow - San Francisco) is currently priced at £309.

What are the most popular airlines that fly from United Kingdom to San Francisco?

The most popular airlines flying from United Kingdom to San Francisco are American Airlines, Air Canada and Air France. Something to consider prior to booking your flight.

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

To save up to 22% on this flight, we recommend booking at least 46 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from United Kingdom to San Francisco from £452 1-2 weeks out and tickets from £572 for flights departing within the next 72 hours.

What is the cheapest month to fly from United Kingdom to San Francisco?

Our data shows that February tends to be the cheapest month to fly to San Francisco from United Kingdom. Users have commonly found prices around £496 for the month, but tickets can be as low as £336. Due to multiple factors, prepare for potentially higher prices in July.

What airport do you fly into for flights to San Francisco from United Kingdom?

If you book a flight to San Francisco from United Kingdom, you will be flying to San Francisco, which is the city’s only airport. San Francisco (SFO) is located 11.8 mi from the center of San Francisco.

Can I find deals for flights from United Kingdom to San Francisco that include hotel bookings?

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

How can I find direct flights from United Kingdom to San Francisco?

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

Can I find deals for business class flights from United Kingdom to San Francisco?

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

£257+ Flights from the United Kingdom to San Francisco

Cheap flight deals from United Kingdom to San Francisco

Round-trip from	£414
One-way from	£257
Popular in	July
Cheapest in	February
Average price	£611
Good round-trip deal	£478 or less
Good one-way deal	£518 or less

Finnair
29/9-13/10
2 total stops
29h 21m total
United Kingdom to San Francisco

Search Deals

3/11
3 total stops
57h 20m total
United Kingdom to San Francisco

Search Deals

Highest demand for flights based on searches. 15% potential increase in price (£66 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£11 potential savings vs. average return price).

Search Deals

Average for round-trip flights in August 2025

Search Deals

Price to beat on a round-trip flight from United Kingdom to San Francisco.

Search Deals

Price to beat on a one-way flight from United Kingdom to San Francisco.

Search Deals

Find flight deals from United Kingdom to San Francisco

Cheapest flights from United Kingdom to San Francisco
Explore the most affordable flight options available from United Kingdom to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 August 2025.

Mon 29/916:55LHR - SFO

1 stop15h 04mMultiple Airlines

Mon 13/1008:08SFO - LHR

1 stop14h 17mMultiple Airlines

Deal found 28/8£414

Thu 11/915:05LGW - SFO

1 stop16h 54mAmerican Airlines

Tue 23/906:00SFO - LGW

2 stops18h 10mAmerican Airlines

Deal found 28/8£414

Sun 7/920:45LCY - SFO

1 stop23h 00mVirgin Atlantic

Tue 30/913:45SFO - LCY

1 stop21h 55mVirgin Atlantic

Deal found 27/8£414

Mon 15/906:55LHR - SFO

1 stop15h 35mUnited Airlines

Fri 26/923:56SFO - LHR

1 stop22h 59mUnited Airlines

Deal found 26/8£415

Thu 11/915:05LGW - SFO

1 stop16h 54mAmerican Airlines

Fri 26/922:43SFO - LGW

1 stop25h 27mAmerican Airlines

Deal found 27/8£415

Mon 22/918:40LHR - SFO

1 stop29h 50mScandinavian Airlines

Thu 25/919:40SFO - LHR

1 stop14h 50mScandinavian Airlines

Deal found 28/8£416

Wed 24/909:20LCY - SFO

2 stops18h 45mVirgin Atlantic

Thu 2/1013:45SFO - LCY

1 stop19h 35mVirgin Atlantic

Deal found 28/8£416

Sun 21/908:30LHR - SFO

1 stop15h 30mUnited Airlines

Sat 11/1011:40SFO - LHR

1 stop13h 55mUnited Airlines

Deal found 27/8£417

Thu 25/909:25LCY - SFO

1 stop14h 45mSWISS

Thu 9/1019:30SFO - LCY

1 stop13h 45mSWISS

Deal found 27/8£417

Tue 14/1010:30LHR - SFO

2 stops19h 10mMultiple Airlines

Tue 9/1207:30SFO - LHR

2 stops19h 50mMultiple Airlines

Deal found 28/8£417

Sun 7/910:55LGW - SFO

2 stops42h 26mMultiple Airlines

Tue 30/914:22SFO - LGW

1 stop36h 33mMultiple Airlines

Deal found 27/8£417

Thu 18/909:25LCY - SFO

1 stop14h 45mSWISS

Wed 1/1019:30SFO - LCY

1 stop13h 45mSWISS

Deal found 27/8£417

Best flights from United Kingdom to San Francisco
Discover carefully curated flight deals from United Kingdom to San Francisco that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 29 August 2025.

Sun 16/1107:40LHR - SFO

1 stop15h 10mLufthansa

Sun 23/1117:25SFO - LHR

Nonstop10h 35mLufthansa

Deal found 27/8£414

Thu 11/915:05LGW - SFO

1 stop16h 54mAmerican Airlines

Tue 23/906:00SFO - LGW

2 stops18h 10mAmerican Airlines

Deal found 28/8£414

Wed 1/1015:05LGW - SFO

1 stop16h 54mBritish Airways

Sun 5/1022:45SFO - LGW

1 stop25h 25mBritish Airways

Deal found 28/8£414

Mon 6/1020:10LCY - SFO

1 stop23h 35mVirgin Atlantic

Mon 20/1013:45SFO - LCY

1 stop18h 55mVirgin Atlantic

Deal found 28/8£414

Mon 15/911:15LHR - SFO

1 stop19h 09mFinnair

Fri 26/905:45SFO - LHR

2 stops16h 35mFinnair

Deal found 28/8£415

Thu 11/906:55LHR - SFO

1 stop20h 05mUnited Airlines

Tue 23/913:05SFO - LHR

Nonstop10h 20mUnited Airlines

Deal found 27/8£415

Thu 23/1010:20LHR - SFO

1 stop14h 10mScandinavian Airlines

Thu 6/1116:40SFO - LHR

2 stops18h 10mScandinavian Airlines

Deal found 27/8£416

Mon 29/909:25LCY - SFO

1 stop15h 10mSWISS

Mon 6/1019:40SFO - LCY

1 stop15h 05mSWISS

Deal found 28/8£416

Thu 18/906:30LHR - SFO

1 stop14h 10mMultiple Airlines

Wed 1/1019:50SFO - LHR

Nonstop10h 20mMultiple Airlines

Deal found 27/8£417

Wed 28/109:35LGW - SFO

2 stops62h 30mTAP AIR PORTUGAL

Mon 9/216:35SFO - LGW

1 stop15h 10mTAP AIR PORTUGAL

Deal found 27/8£420

Tue 23/908:10MAN - SFO

1 stop15h 45mAer Lingus

Mon 6/1017:40SFO - MAN

1 stop12h 10mAer Lingus

Deal found 28/8£449

Tue 9/906:00NCL - SFO

1 stop13h 45mDelta

Sun 14/905:35SFO - NCL

2 stops22h 15mDelta

Deal found 27/8£483

Direct flights from United Kingdom to San Francisco
Explore direct flight options from United Kingdom to San Francisco based on user searches, and compare prices and availability for your desired travel dates. Data last updated 29 August 2025.

Mon 15/916:25LHR - SFO

Nonstop11h 05mVirgin Atlantic

Fri 26/916:05SFO - LHR

Nonstop10h 20mVirgin Atlantic

Deal found 28/8£414

Fri 26/916:25LHR - SFO

Nonstop11h 05mVirgin Atlantic

Sat 4/1016:05SFO - LHR

Nonstop10h 20mVirgin Atlantic

Deal found 28/8£417

Sat 15/1115:25LHR - SFO

Nonstop11h 20mBritish Airways

Sat 29/1117:30SFO - LHR

Nonstop10h 30mBritish Airways

Deal found 27/8£417

Mon 13/1010:45LHR - SFO

Nonstop11h 05mBritish Airways

Tue 18/1120:40SFO - LHR

Nonstop10h 30mBritish Airways

Deal found 28/8£418

Tue 9/910:45LHR - SFO

Nonstop11h 05mBritish Airways

Wed 17/916:30SFO - LHR

Nonstop10h 25mBritish Airways

Deal found 27/8£420

Thu 18/910:45LHR - SFO

Nonstop11h 05mBritish Airways

Thu 2/1019:20SFO - LHR

Nonstop10h 25mBritish Airways

Deal found 27/8£421

Mon 13/1011:15LHR - SFO

Nonstop11h 00mVirgin Atlantic

Wed 12/1116:30SFO - LHR

Nonstop10h 10mVirgin Atlantic

Deal found 28/8£422

Fri 26/910:45LHR - SFO

Nonstop11h 05mBritish Airways

Mon 1/1220:40SFO - LHR

Nonstop10h 30mBritish Airways

Deal found 28/8£423

Sat 13/916:25LHR - SFO

Nonstop11h 05mVirgin Atlantic

Sat 20/921:20SFO - LHR

Nonstop10h 20mVirgin Atlantic

Deal found 27/8£424

Thu 11/911:15LHR - SFO

Nonstop11h 00mVirgin Atlantic

Wed 24/921:20SFO - LHR

Nonstop10h 20mVirgin Atlantic

Deal found 26/8£425

Sat 27/916:25LHR - SFO

Nonstop11h 05mVirgin Atlantic

Sat 4/1016:05SFO - LHR

Nonstop10h 20mVirgin Atlantic

Deal found 28/8£426

Last-minute flights from United Kingdom to San Francisco
Discover last-minute flight deals from United Kingdom to San Francisco. Data last updated 29 August 2025 and is based on user searches.

Sun 7/920:45LCY - SFO

1 stop23h 00mVirgin Atlantic

Tue 30/913:45SFO - LCY

1 stop21h 55mVirgin Atlantic

Deal found 27/8£414

Sun 7/910:55LGW - SFO

2 stops42h 26mMultiple Airlines

Tue 30/914:22SFO - LGW

1 stop36h 33mMultiple Airlines

Deal found 27/8£417

Thu 11/915:05LGW - SFO

1 stop16h 54mAmerican Airlines

Tue 23/906:00SFO - LGW

2 stops18h 10mAmerican Airlines

Deal found 28/8£414

Thu 11/915:05LGW - SFO

1 stop16h 54mAmerican Airlines

Fri 26/922:43SFO - LGW

1 stop25h 27mAmerican Airlines

Deal found 27/8£415

Mon 15/906:55LHR - SFO

1 stop15h 35mUnited Airlines

Fri 26/923:56SFO - LHR

1 stop22h 59mUnited Airlines

Deal found 26/8£415

Thu 18/909:25LCY - SFO

1 stop14h 45mSWISS

Wed 1/1019:30SFO - LCY

1 stop13h 45mSWISS

Deal found 27/8£417

Sun 21/908:30LHR - SFO

1 stop15h 30mUnited Airlines

Sat 11/1011:40SFO - LHR

1 stop13h 55mUnited Airlines

Deal found 27/8£417

Mon 22/918:40LHR - SFO

1 stop29h 50mScandinavian Airlines

Thu 25/919:40SFO - LHR

1 stop14h 50mScandinavian Airlines

Deal found 28/8£416

Wed 24/909:20LCY - SFO

2 stops18h 45mVirgin Atlantic

Thu 2/1013:45SFO - LCY

1 stop19h 35mVirgin Atlantic

Deal found 28/8£416

Thu 25/909:25LCY - SFO

1 stop14h 45mSWISS

Thu 9/1019:30SFO - LCY

1 stop13h 45mSWISS

Deal found 27/8£417

Thu 25/910:45LHR - SFO

Nonstop11h 05mBritish Airways

Wed 15/1019:20SFO - LHR

Nonstop10h 25mBritish Airways

Deal found 27/8£417

Mon 29/916:55LHR - SFO

1 stop15h 04mMultiple Airlines

Mon 13/1008:08SFO - LHR

1 stop14h 17mMultiple Airlines

Deal found 28/8£414

One-way flights from United Kingdom to San Francisco
Search for one-way flight options from United Kingdom to San Francisco. Find affordable one-way fares based on user searches. Data last updated 29 August 2025.

Mon 3/1113:10MAN - SFO

3 stops57h 20mMultiple Airlines

Deal found 27/8£257

Wed 24/907:55MAN - SFO

3 stops33h 35mMultiple Airlines

Deal found 28/8£266

Fri 30/116:55MAN - SFO

2 stops59h 15mMultiple Airlines

Deal found 27/8£281

Wed 15/1017:50BHX - SFO

2 stops49h 05mMultiple Airlines

Deal found 27/8£282

Thu 13/1106:50MAN - SFO

2 stops41h 15mMultiple Airlines

Deal found 27/8£283

Mon 15/922:05MAN - SFO

3 stops55h 16mMultiple Airlines

Deal found 28/8£286

Mon 8/919:00MAN - SFO

1 stop26h 50mMultiple Airlines

Deal found 27/8£295

Wed 15/1009:10SOU - SFO

3 stops57h 45mMultiple Airlines

Deal found 28/8£310

Wed 10/908:10BHX - SFO

1 stop15h 45mAer Lingus

Deal found 28/8£382

Thu 23/1014:10LTN - SFO

2 stops54h 35mMultiple Airlines

Deal found 28/8£387

Thu 15/114:50LHR - SFO

2 stops16h 53mMultiple Airlines

Deal found 28/8£387

Sat 6/921:10STN - SFO

2 stops49h 20mMultiple Airlines

Deal found 27/8£387

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sun 16/11

07:40-14:50

1 stop15h 10m

San Francisco

Sun 23/11

17:25-12:00

Nonstop10h 35m

£414

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Thu 11/9

15:05-23:59

1 stop16h 54m

San Francisco

Tue 23/9

06:00-08:10

2 stops18h 10m

£414

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Wed 1/10

15:05-23:59

1 stop16h 54m

San Francisco

Sun 5/10

22:45-08:10

1 stop25h 25m

£414

LondonSan Francisco

LCY - SFO

LCYSFO

London City

Mon 6/10

20:10-11:45

1 stop23h 35m

San Francisco

Mon 20/10

13:45-16:40

1 stop18h 55m

£414

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Mon 15/9

11:15-22:24

1 stop19h 09m

San Francisco

Fri 26/9

05:45-06:20

2 stops16h 35m

£415

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Thu 11/9

06:55-19:00

1 stop20h 05m

San Francisco

Tue 23/9

13:05-07:25

Nonstop10h 20m

£415

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Mon 15/9

10:35-13:40

Nonstop11h 05m

San Francisco

Fri 26/9

08:25-06:55

1 stop14h 30m

£415

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Thu 23/10

10:20-16:30

1 stop14h 10m

San Francisco

Thu 6/11

16:40-18:50

2 stops18h 10m

£416

LondonSan Francisco

LCY - SFO

LCYSFO

London City

Mon 29/9

09:25-16:35

1 stop15h 10m

San Francisco

Mon 6/10

19:40-18:45

1 stop15h 05m

£416

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Fri 26/9

06:40-16:30

1 stop17h 50m

San Francisco

Mon 1/12

16:40-16:25

2 stops15h 45m

£416

Flights are sorted by cheapest return flights first.

Deals found on 27/8

Showing 1-10 of 60 results

...

Best time to book a flight from United Kingdom to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from United Kingdom with our price prediction graph.

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from the United Kingdom to San Francisco

What is the cheapest month to book a flight from United Kingdom to San Francisco?

Currently, February is the cheapest month in which you can book a flight from United Kingdom to San Francisco (average of £538). Flying from United Kingdom to San Francisco in July is currently the most expensive (average of £803). 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.

What is the cheapest time of day to fly from GB to SFO?

When flying from United Kingdom to San Francisco, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from United Kingdom to San Francisco

The most flights from GB0 to SFO are scheduled on a Wednesday (42 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (22 on average).

Reviews of airlines servicing San Francisco

Read reviews from past customers who have flown with KLM, United Airlines, andVirgin Atlantic from the United Kingdom to San Francisco. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

KLM

7.8

Good

1,383 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

KLM

7.8

Good

1,383 reviews

KLM

7.8

Good

1,383 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

United Airlines

7.4

Good

8,941 reviews

KLM

7.8

Good

1,383 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Virgin Atlantic

7.4

Good

661 reviews

KLM

7.8

Good

1,383 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Lufthansa

6.8

Okay

7,371 reviews

KLM

7.8

Good

1,383 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

British Airways

6.7

Okay

7,320 reviews

KLM

7.8

Good

1,383 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Related info for your journey

What airport do you fly into for flights to San Francisco from United Kingdom?
If you book a flight to San Francisco from United Kingdom, you will be flying to San Francisco, which is the city’s only airport. San Francisco (SFO) is located 11.8 mi from the center of San Francisco.
How long is the flight from United Kingdom to San Francisco?
A quick flight from United Kingdom to San Francisco can take about 15h 10m. Lufthansa provides one of the quickest options available for as low as £414. Airlines will cover a distance of 5350 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.
What are the cheapest airlines to fly from United Kingdom to San Francisco one-way?
To fly one-way, consider booking your trip with Aer Lingus, which is currently one of the cheapest options available, starting at £382. TAP AIR PORTUGAL flights start at £388 while deals on United Airlines start at £389 one-way.
What are the most popular routes from United Kingdom to San Francisco?
Most travelers choose London Heathrow - San Francisco, London Gatwick - San Francisco or London City - San Francisco when deciding on the best route from United Kingdom to San Francisco.
What are the most reliable airlines from United Kingdom to San Francisco?
The top 3 most reliable airlines when flying from United Kingdom to San Francisco are KLM (85%), Air France (85%) and Delta (85%).
What are the cheapest flights from United Kingdom to San Francisco?
On average you can expect to pay £1,931 for a flight from United Kingdom to San Francisco. The cheapest flight overall is £408 while the most popular route, (London Heathrow - San Francisco) is currently priced at £309.
Can I find deals for flights from United Kingdom to San Francisco that include hotel bookings?
Yes. In addition to deals on United Kingdom to San Francisco flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from United Kingdom to San Francisco?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from United Kingdom to San Francisco.
Can I find deals for business class flights from United Kingdom to San Francisco?
Yes. Cheapflights offers flight deals from United Kingdom to San Francisco by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from United Kingdom to San Francisco?
Currently, February is the cheapest month in which you can book a flight from United Kingdom to San Francisco (average of £538). Flying from United Kingdom to San Francisco in July is currently the most expensive (average of £803). 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.

See more FAQs

Santa Cruz

Newark

South San Francisco

Bodega Bay

Pacific Grove

Union City

Browse thousands of different options on Cheapflights for your next trip

Top 10 airlines flying from United Kingdom to San Francisco

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest£236	Average£549	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
Scandinavian Airlines	Cheapest£347	Average£514	FlexibilityNo cancel fee	On-time77%	Search Scandinavian Airlines flights
TAP AIR PORTUGAL	Cheapest£348	Average£529	FlexibilityNo cancel fee	On-timeN/A	Search TAP AIR PORTUGAL flights
SWISS	Cheapest£350	Average£529	FlexibilityNo cancel fee	On-time79%	Search SWISS flights
Brussels Airlines	Cheapest£357	Average£473	FlexibilityNo cancel fee	On-timeN/A	Search Brussels Airlines flights
Air Canada	Cheapest£358	Average£541	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
Virgin Atlantic	Cheapest£360	Average£548	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
Aer Lingus	Cheapest£362	Average£695	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights
British Airways	Cheapest£363	Average£571	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
United Airlines	Cheapest£367	Average£570	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights

Fly with Cheapflights

How does Cheapflights help users find flights from United Kingdom to San Francisco?

Cheapflights makes it easy to find United Kingdom to San Francisco flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from United Kingdom to San Francisco?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from United Kingdom to San Francisco.

Can Cheapflights find flights from United Kingdom to San Francisco with no change fees?

Yes, we can. To see specific flights from United Kingdom to San Francisco with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from United Kingdom to San Francisco become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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Cheap flights from the United Kingdom to San Francisco from £257

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from United Kingdom to San Francisco

Keep the following information in mind while searching for United Kingdom to San Francisco flight deals. Data was last updated 29 August 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from United Kingdom to San Francisco

Cheapest flights from United Kingdom to San FranciscoExplore the most affordable flight options available from United Kingdom to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 August 2025.

Explore the most affordable flight options available from United Kingdom to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 August 2025.

Cheapflights Fare Finder

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

Best time to book a flight from United Kingdom to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from United Kingdom with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from the United Kingdom to San Francisco

What is the cheapest month to book a flight from United Kingdom to San Francisco?

What is the cheapest time of day to fly from GB to SFO?

Find hourly flight availability from United Kingdom to San Francisco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 29 August 2025.

Weekly flight availability from United Kingdom to San Francisco

Reviews of airlines servicing San Francisco

Related info for your journey

Find useful and relevant information for your journey from United Kingdom to San Francisco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to San Francisco from United Kingdom?

How long is the flight from United Kingdom to San Francisco?

What are the cheapest airlines to fly from United Kingdom to San Francisco one-way?

What are the most popular routes from United Kingdom to San Francisco?

What are the most reliable airlines from United Kingdom to San Francisco?

What are the cheapest flights from United Kingdom to San Francisco?

Can I find deals for flights from United Kingdom to San Francisco that include hotel bookings?

How can I find direct flights from United Kingdom to San Francisco?

Can I find deals for business class flights from United Kingdom to San Francisco?

What is the cheapest month to book a flight from United Kingdom to San Francisco?

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Alternative routes for United Kingdom to San Francisco

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Top 10 airlines flying from United Kingdom to San Francisco

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Cheapest flights from United Kingdom to San Francisco
Explore the most affordable flight options available from United Kingdom to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 August 2025.