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

There are many flights that can get you from San Francisco to United Kingdom in 14h 10m. Fly via Scandinavian Airlines, British Airways, or American Airlines to get the fastest option. Airlines will cover a distance of 5021 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 San Francisco to United Kingdom one-way?

To fly one-way, consider booking your trip with TAP AIR PORTUGAL, which is currently one of the cheapest options available, starting at £167. WestJet flights start at £173 while deals on LEVEL start at £198 one-way.

In terms of precipitation, rainfall in United Kingdom 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 United Kingdom when rainfall is around 40.0 mm.

If weather is an important factor for your trip to United Kingdom, 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).

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

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

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

On average you can expect to pay £1,247 for a flight from San Francisco to United Kingdom. The cheapest flight overall is £269 while the most popular route, (San Francisco - London Heathrow) is currently priced at £315.

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

Consider Iberia (90%), Aeromexico (88%) or American Airlines (87%) when booking your flight. These represent the most reliable airlines when flying from San Francisco to United Kingdom.

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

Air Canada, British Airways and Iberia are the most popular airlines when flying from San Francisco to United Kingdom.

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

To save on the cost of your flight from San Francisco to United Kingdom, book at least 39 days before your planned departure. Booking around this time can save you about 15% on the cost of this flight compared to booking a flight leaving this week. We have found prices from £517 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as £608.

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

October is one of the best times of the year to fly to United Kingdom from San Francisco. Prices for October average £557 per person but you can even find prices for as low as £382. The most expensive prices can be found in the month of June. Opting for a October flight can save you 37% on your journey compared to booking in June

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

If you book a flight to United Kingdom from San Francisco, you will be flying from 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 San Francisco to United Kingdom that include hotel bookings?

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

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

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

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

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

£167+ Flights from San Francisco to the United Kingdom

Cheap flight deals from San Francisco to United Kingdom

Round-trip from	£383
One-way from	£167
Popular in	June
Cheapest in	October
Average price	£531
Good round-trip deal	£401 or less
Good one-way deal	£288 or less

Scandinavian Airlines
20/10-27/10
2 total stops
45h 40m total
San Francisco to United Kingdom

Search Deals

TAP AIR PORTUGAL
8/11
1 total stop
16h 40m total
San Francisco to United Kingdom

Search Deals

Highest demand for flights based on searches. 16% potential increase in price (£80 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£14 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 San Francisco to United Kingdom.

Search Deals

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

Search Deals

Find flight deals from San Francisco to United Kingdom

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

Wed 29/1018:00SFO - LHR

1 stop15h 00mScandinavian Airlines

Sun 2/1118:40LHR - SFO

1 stop27h 55mScandinavian Airlines

Deal found 27/8£385

Thu 23/1019:40SFO - LHR

2 stops29h 55mScandinavian Airlines

Mon 3/1106:40LHR - SFO

1 stop15h 55mScandinavian Airlines

Deal found 26/8£386

Thu 23/1019:40SFO - LHR

2 stops29h 55mScandinavian Airlines

Sat 1/1115:35LHR - SFO

2 stops31h 00mScandinavian Airlines

Deal found 26/8£389

Sat 8/1116:40SFO - LHR

2 stops19h 15mScandinavian Airlines

Mon 10/1106:40LHR - SFO

2 stops24h 15mScandinavian Airlines

Deal found 27/8£389

Mon 13/1019:40SFO - LHR

1 stop14h 00mScandinavian Airlines

Thu 16/1006:40LHR - SFO

1 stop17h 50mScandinavian Airlines

Deal found 28/8£392

Sun 12/1019:40SFO - LHR

1 stop18h 00mScandinavian Airlines

Mon 20/1006:40LHR - SFO

1 stop17h 50mScandinavian Airlines

Deal found 27/8£392

Wed 29/1018:00SFO - LHR

1 stop15h 00mScandinavian Airlines

Sat 8/1106:40LHR - SFO

1 stop15h 55mScandinavian Airlines

Deal found 26/8£394

Wed 15/1019:40SFO - LHR

1 stop14h 00mScandinavian Airlines

Mon 20/1007:05LHR - SFO

2 stops17h 25mScandinavian Airlines

Deal found 28/8£395

Wed 15/1019:40SFO - LHR

1 stop14h 00mScandinavian Airlines

Tue 21/1007:05LHR - SFO

2 stops17h 25mScandinavian Airlines

Deal found 28/8£395

Mon 6/1019:40SFO - LHR

1 stop14h 00mScandinavian Airlines

Tue 21/1006:40LHR - SFO

2 stops17h 50mScandinavian Airlines

Deal found 27/8£397

Thu 6/1116:40SFO - STN

2 stops22h 40mMultiple Airlines

Thu 13/1116:30STN - SFO

2 stops30h 05mMultiple Airlines

Deal found 26/8£397

Thu 30/1021:30SFO - STN

2 stops19h 05mMultiple Airlines

Wed 5/1118:25STN - SFO

2 stops28h 10mMultiple Airlines

Deal found 26/8£400

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

Sun 30/1116:40SFO - LHR

2 stops18h 10mScandinavian Airlines

Mon 8/1206:40LHR - SFO

1 stop15h 55mScandinavian Airlines

Deal found 26/8£386

Thu 6/1116:40SFO - STN

2 stops22h 40mMultiple Airlines

Thu 13/1116:30STN - SFO

2 stops30h 05mMultiple Airlines

Deal found 26/8£397

Wed 29/1021:40SFO - GLA

1 stop17h 50mBritish Airways

Thu 6/1112:45GLA - SFO

1 stop14h 00mBritish Airways

Deal found 26/8£451

Mon 20/1016:30SFO - GLA

1 stop14h 10mAmerican Airlines

Tue 4/1109:50GLA - SFO

1 stop16h 55mAmerican Airlines

Deal found 27/8£452

Mon 1/1216:35SFO - LGW

1 stop15h 10mTAP AIR PORTUGAL

Wed 21/109:35LGW - SFO

2 stops62h 30mTAP AIR PORTUGAL

Deal found 28/8£469

Mon 20/1015:05SFO - BHX

1 stop14h 35mAir France

Wed 5/1106:00BHX - SFO

1 stop15h 35mAir France

Deal found 27/8£479

Wed 24/919:30SFO - BHX

1 stop14h 35mSWISS

Wed 1/1008:35BHX - SFO

1 stop15h 35mSWISS

Deal found 26/8£480

Tue 25/1105:10SFO - BHX

2 stops19h 00mUnited Airlines

Tue 16/1206:00BHX - SFO

2 stops21h 37mUnited Airlines

Deal found 28/8£492

Mon 27/1018:20SFO - EDI

1 stop13h 25mAer Lingus

Tue 4/1109:35EDI - SFO

1 stop14h 00mAer Lingus

Deal found 27/8£514

Wed 8/1013:45SFO - SOU

1 stop19h 15mKLM

Wed 15/1017:35SOU - SFO

1 stop26h 10mKLM

Deal found 27/8£602

Wed 17/913:30SFO - SOU

2 stops19h 30mDelta

Wed 24/917:35SOU - SFO

1 stop26h 10mDelta

Deal found 27/8£640

Thu 30/1021:30SFO - LHR

2 stops29h 05mScandinavian Airlines

Fri 7/1106:40LHR - SFO

1 stop15h 55mScandinavian Airlines

Deal found 26/8£386

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

Sun 21/921:20SFO - LHR

Nonstop10h 20mVirgin Atlantic

Tue 7/1016:25LHR - SFO

Nonstop11h 05mVirgin Atlantic

Deal found 28/8£450

Sun 21/919:20SFO - LHR

Nonstop10h 25mBritish Airways

Tue 7/1014:15LHR - SFO

Nonstop11h 10mBritish Airways

Deal found 28/8£460

Fri 19/921:20SFO - LHR

Nonstop10h 20mVirgin Atlantic

Thu 2/1011:15LHR - SFO

Nonstop11h 00mVirgin Atlantic

Deal found 28/8£461

Tue 23/921:20SFO - LHR

Nonstop10h 20mAir France

Thu 20/1111:40LHR - SFO

Nonstop11h 00mAir France

Deal found 28/8£465

Mon 1/1217:30SFO - LHR

Nonstop10h 30mFinnair

Wed 21/111:45LHR - SFO

Nonstop11h 15mFinnair

Deal found 27/8£466

Tue 25/1117:30SFO - LHR

Nonstop10h 30mFinnair

Wed 28/115:25LHR - SFO

Nonstop11h 20mFinnair

Deal found 28/8£466

Tue 23/919:20SFO - LHR

Nonstop10h 25mBritish Airways

Fri 10/1010:45LHR - SFO

Nonstop11h 05mBritish Airways

Deal found 27/8£467

Sun 12/1019:20SFO - LHR

Nonstop10h 25mBritish Airways

Tue 21/1010:45LHR - SFO

Nonstop11h 05mBritish Airways

Deal found 27/8£468

Tue 21/1016:30SFO - LHR

Nonstop10h 25mBritish Airways

Tue 4/1111:45LHR - SFO

Nonstop11h 15mBritish Airways

Deal found 26/8£469

Wed 10/921:20SFO - LHR

Nonstop10h 20mAir France

Wed 24/916:25LHR - SFO

Nonstop11h 05mAir France

Deal found 27/8£469

Wed 8/1016:30SFO - LHR

Nonstop10h 25mBritish Airways

Tue 14/1010:45LHR - SFO

Nonstop11h 05mBritish Airways

Deal found 28/8£470

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

Tue 16/918:45SFO - LGW

2 stops31h 00mTAP AIR PORTUGAL

Thu 30/1016:00LGW - SFO

1 stop32h 05mTAP AIR PORTUGAL

Deal found 26/8£427

Tue 16/918:45SFO - LGW

2 stops31h 00mTAP AIR PORTUGAL

Tue 23/916:25LGW - SFO

1 stop30h 10mTAP AIR PORTUGAL

Deal found 26/8£428

Tue 16/918:45SFO - LHR

2 stops31h 35mTAP AIR PORTUGAL

Thu 30/1019:55LHR - SFO

1 stop28h 10mTAP AIR PORTUGAL

Deal found 26/8£430

Tue 16/918:45SFO - LHR

2 stops19h 15mTAP AIR PORTUGAL

Tue 23/918:45LHR - SFO

1 stop27h 50mTAP AIR PORTUGAL

Deal found 27/8£431

Tue 16/918:45SFO - LGW

2 stops35h 15mTAP AIR PORTUGAL

Tue 21/1016:25LGW - SFO

1 stop30h 10mTAP AIR PORTUGAL

Deal found 26/8£432

Wed 17/905:50SFO - LGW

1 stop21h 05mMultiple Airlines

Sat 20/909:50LGW - SFO

1 stop22h 09mMultiple Airlines

Deal found 26/8£422

Sat 20/906:00SFO - LGW

1 stop19h 30mMultiple Airlines

Fri 26/910:55LGW - SFO

1 stop30h 55mMultiple Airlines

Deal found 28/8£424

Sat 20/906:00SFO - LGW

1 stop19h 30mMultiple Airlines

Wed 24/910:55LGW - SFO

1 stop31h 48mMultiple Airlines

Deal found 28/8£430

Tue 23/908:30SFO - STN

2 stops26h 55mMultiple Airlines

Tue 7/1022:05STN - SFO

2 stops29h 46mMultiple Airlines

Deal found 27/8£426

Tue 23/908:30SFO - STN

2 stops26h 55mMultiple Airlines

Wed 1/1022:10STN - SFO

2 stops29h 41mMultiple Airlines

Deal found 26/8£428

Wed 24/908:30SFO - STN

2 stops24h 25mMultiple Airlines

Wed 8/1022:10STN - SFO

2 stops29h 41mMultiple Airlines

Deal found 26/8£425

Sat 27/906:00SFO - LGW

1 stop19h 30mMultiple Airlines

Wed 15/1018:05LGW - SFO

2 stops48h 50mMultiple Airlines

Deal found 27/8£416

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

Sat 8/1116:35SFO - MAN

1 stop16h 40mTAP AIR PORTUGAL

Deal found 26/8£167

Mon 27/1017:35SFO - MAN

1 stop15h 40mTAP AIR PORTUGAL

Deal found 28/8£171

Sun 5/1007:30SFO - EDI

1 stop18h 35mWestJet

Deal found 27/8£173

Tue 30/910:15SFO - EDI

3 stops39h 50mMultiple Airlines

Deal found 26/8£184

Tue 7/1016:20SFO - BHX

2 stops34h 55mMultiple Airlines

Deal found 28/8£192

Tue 7/1016:20SFO - MAN

2 stops24h 20mMultiple Airlines

Deal found 28/8£196

Tue 7/1020:10SFO - BHX

1 stop31h 05mLEVEL

Deal found 28/8£198

Mon 6/1010:15SFO - MAN

3 stops21h 20mMultiple Airlines

Deal found 28/8£198

Sun 5/1011:48SFO - EDI

2 stops25h 27mMultiple Airlines

Deal found 27/8£200

Mon 3/1116:35SFO - EDI

2 stops31h 10mMultiple Airlines

Deal found 27/8£203

Sat 8/1116:35SFO - MAN

2 stops35h 55mMultiple Airlines

Deal found 26/8£207

Mon 27/1017:35SFO - MAN

2 stops31h 45mMultiple Airlines

Deal found 28/8£210

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Sun 30/11

16:40-18:50

2 stops18h 10m

London Heathrow

Mon 8/12

06:40-14:35

1 stop15h 55m

£386

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Thu 30/10

21:30-09:35

2 stops29h 05m

London Heathrow

Fri 7/11

06:40-14:35

1 stop15h 55m

£386

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Thu 23/10

19:40-09:35

2 stops29h 55m

London Heathrow

Fri 31/10

19:30-15:35

1 stop27h 05m

£386

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Thu 6/11

16:40-16:00

1 stop15h 20m

London Heathrow

Thu 13/11

19:50-14:35

2 stops26h 45m

£386

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Fri 24/10

19:40-10:35

2 stops30h 55m

London Heathrow

Mon 27/10

19:50-16:10

2 stops27h 20m

£387

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Thu 23/10

19:40-09:35

2 stops29h 55m

London Heathrow

Sat 1/11

15:35-15:35

2 stops31h 00m

£389

San FranciscoLondon

SFO - STN

SFOSTN

San Francisco

Thu 6/11

16:40-23:20

2 stops22h 40m

London Stansted

Thu 13/11

16:30-14:35

2 stops30h 05m

£397

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

Tue 7/10

16:49-10:55

1 stop34h 06m

London Gatwick

Wed 15/10

10:55-23:58

1 stop21h 03m

£412

San FranciscoLondon

SFO - LTN

SFOLTN

San Francisco

Wed 5/11

16:35-22:20

2 stops21h 45m

London Luton

Thu 13/11

17:00-16:05

2 stops31h 05m

£415

San FranciscoLondon

SFO - STN

SFOSTN

San Francisco

Tue 14/10

08:40-21:45

2 stops29h 05m

London Stansted

Tue 21/10

07:15-11:11

2 stops35h 56m

£417

Flights are sorted by cheapest return flights first.

Deals found on 26/8

Showing 1-10 of 60 results

...

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

Have a flexible travel schedule? Discover the best time to fly to United Kingdom from San Francisco 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 San Francisco to the United Kingdom

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

Currently, January is the cheapest month in which you can book a flight from San Francisco to United Kingdom (average of £112). Flying from San Francisco to United Kingdom in August is currently the most expensive (average of £164). 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 SFO to GB?

When flying from San Francisco to United Kingdom, 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 San Francisco to United Kingdom

The most flights from SFO to GB0 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 United Kingdom

See what other customers who have flown with United Airlines, Virgin Atlantic, andIberia from San Francisco to the United Kingdom have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.4

Good

8,941 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

United Airlines

7.4

Good

8,941 reviews

United Airlines

7.4

Good

8,941 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Virgin Atlantic

7.4

Good

661 reviews

United Airlines

7.4

Good

8,941 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Iberia

7.0

Good

2,894 reviews

United Airlines

7.4

Good

8,941 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Lufthansa

6.8

Okay

7,371 reviews

United Airlines

7.4

Good

8,941 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

British Airways

6.7

Okay

7,320 reviews

United Airlines

7.4

Good

8,941 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

What airport do you fly from for flights from San Francisco to United Kingdom?
If you book a flight to United Kingdom from San Francisco, you will be flying from 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 San Francisco to United Kingdom?
There are many flights that can get you from San Francisco to United Kingdom in 14h 10m. Fly via Scandinavian Airlines, British Airways, or American Airlines to get the fastest option. Airlines will cover a distance of 5021 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 San Francisco to United Kingdom one-way?
To fly one-way, consider booking your trip with TAP AIR PORTUGAL, which is currently one of the cheapest options available, starting at £167. WestJet flights start at £173 while deals on LEVEL start at £198 one-way.
What are the most popular routes from San Francisco to United Kingdom?
Most travelers choose San Francisco - London Heathrow, San Francisco - London Gatwick or San Francisco - London City when deciding on the best route from San Francisco to United Kingdom.
What are the most reliable airlines from San Francisco to United Kingdom?
Consider Iberia (90%), Aeromexico (88%) or American Airlines (87%) when booking your flight. These represent the most reliable airlines when flying from San Francisco to United Kingdom.
What are the cheapest flights from San Francisco to United Kingdom?
On average you can expect to pay £1,247 for a flight from San Francisco to United Kingdom. The cheapest flight overall is £269 while the most popular route, (San Francisco - London Heathrow) is currently priced at £315.
Can I find deals for flights from San Francisco to United Kingdom that include hotel bookings?
Yes. In addition to deals on San Francisco to United Kingdom flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from San Francisco to United Kingdom?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Francisco to United Kingdom.
Can I find deals for business class flights from San Francisco to United Kingdom?
Yes. Cheapflights offers flight deals from San Francisco to United Kingdom 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 San Francisco to United Kingdom?
Currently, January is the cheapest month in which you can book a flight from San Francisco to United Kingdom (average of £112). Flying from San Francisco to United Kingdom in August is currently the most expensive (average of £164). 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

Browse thousands of different options on Cheapflights for your next trip

Top 9 airlines flying from San Francisco to United Kingdom

Airline	Cheapest	Average	Flexibility	On-time
KLM	Cheapest£362	Average£459	FlexibilityNo cancel fee	On-time75%	Search KLM flights
Virgin Atlantic	Cheapest£366	Average£582	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
British Airways	Cheapest£384	Average£613	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
TAP AIR PORTUGAL	Cheapest£389	Average£404	FlexibilityNo cancel fee	On-timeN/A	Search TAP AIR PORTUGAL flights
United Airlines	Cheapest£393	Average£581	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Iberia	Cheapest£425	Average£528	FlexibilityNo cancel fee	On-time77%	Search Iberia flights
Lufthansa	Cheapest£427	Average£693	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
Air Canada	Cheapest£432	Average£608	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
Aer Lingus	Cheapest£499	Average£651	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights

Fly with Cheapflights

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

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 United Kingdom from San Francisco today with Cheapflights!

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

Cheapflights helps you find that perfect flight to United Kingdom from San Francisco by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Certainly. Search results for flights to United Kingdom from San Francisco shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Of course! You can now track prices for flights from San Francisco to United Kingdom and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from San Francisco to the United Kingdom from £167

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 8/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from San Francisco to United Kingdom

Keep the following information in mind while searching for San Francisco to United Kingdom 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 San Francisco to United Kingdom

Cheapest flights from San Francisco to United KingdomExplore the most affordable flight options available from San Francisco to United Kingdom. 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 San Francisco to United Kingdom. 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 San Francisco to the United Kingdom that are best for you.

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

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

Cheapflights Insights

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

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

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

Find hourly flight availability from San Francisco to United Kingdom. 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 San Francisco to United Kingdom

Reviews of airlines servicing United Kingdom

See what other customers who have flown with United Airlines, Virgin Atlantic, andIberia from San Francisco to the United Kingdom have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from San Francisco to United Kingdom. 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 from for flights from San Francisco to United Kingdom?

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

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

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

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

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

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

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

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

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

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 to United Kingdom

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

Top 9 airlines flying from San Francisco to United Kingdom

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

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

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

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

100% Free

Book with Flexibility

Travel Smart

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