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 13h 35m. Fly via Scandinavian Airlines, British Airways, or TAP AIR PORTUGAL 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 £176. Scandinavian Airlines flights start at £234 while deals on JetBlue start at £243 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 £1,369 for a flight from San Francisco to United Kingdom. The cheapest flight overall is £267 while the most popular route, (San Francisco - London Heathrow) is currently priced at £320.

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

Consider Iberia (89%), KLM (88%) or Air France (88%) 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 9% on the cost of this flight compared to booking a flight leaving this week. We have found prices from £504 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as £605.

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 £555 per person but you can even find prices for as low as £380. 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.

£176+ Flights from San Francisco to the United Kingdom

Cheap flight deals from San Francisco to United Kingdom

Round-trip from	£349
One-way from	£176
Popular in	June
Cheapest in	October
Average price	£489
Good round-trip deal	£469 or less
Good one-way deal	£300 or less

TAP AIR PORTUGAL
23/10-6/11
2 total stops
64h 40m total
San Francisco to United Kingdom

Search Deals

TAP AIR PORTUGAL
23/10
1 total stop
33h 45m total
San Francisco to United Kingdom

Search Deals

Highest demand for flights based on searches. 16% potential increase in price (£81 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 September 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 15 September 2025.

Thu 23/1016:20SFO - MAN

1 stop33h 45mTAP AIR PORTUGAL

Thu 6/1117:10MAN - SFO

1 stop30h 55mTAP AIR PORTUGAL

Deal found 14/9£349

Mon 3/1116:35SFO - MAN

1 stop34h 00mTAP AIR PORTUGAL

Thu 20/1117:10MAN - SFO

1 stop30h 55mTAP AIR PORTUGAL

Deal found 12/9£352

Mon 3/1116:35SFO - MAN

1 stop34h 00mTAP AIR PORTUGAL

Fri 21/1111:25MAN - SFO

1 stop35h 20mTAP AIR PORTUGAL

Deal found 12/9£354

Tue 30/908:30SFO - STN

2 stops26h 55mMultiple Airlines

Mon 6/1014:15STN - SFO

2 stops33h 55mMultiple Airlines

Deal found 14/9£383

Mon 13/1015:30SFO - LHR

2 stops18h 10mScandinavian Airlines

Mon 10/1106:40LHR - SFO

1 stop15h 55mScandinavian Airlines

Deal found 14/9£383

Wed 5/1108:25SFO - STN

2 stops25h 35mMultiple Airlines

Tue 11/1107:40STN - SFO

2 stops21h 42mMultiple Airlines

Deal found 12/9£384

Wed 5/1108:25SFO - STN

2 stops25h 35mMultiple Airlines

Wed 12/1107:40STN - SFO

2 stops21h 42mMultiple Airlines

Deal found 15/9£385

Sun 21/908:30SFO - LHR

1 stop14h 00mMultiple Airlines

Tue 7/1006:50LHR - SFO

2 stops21h 01mMultiple Airlines

Deal found 13/9£385

Wed 3/1208:25SFO - LTN

2 stops30h 05mMultiple Airlines

Thu 11/1206:50LTN - SFO

2 stops22h 32mMultiple Airlines

Deal found 13/9£387

Tue 14/1008:30SFO - STN

2 stops19h 30mMultiple Airlines

Tue 28/1020:25STN - SFO

2 stops28h 05mMultiple Airlines

Deal found 13/9£388

Wed 29/1017:35SFO - LHR

1 stop34h 50mTAP AIR PORTUGAL

Sat 8/1106:00LHR - SFO

1 stop16h 45mTAP AIR PORTUGAL

Deal found 13/9£388

Tue 14/1008:30SFO - LTN

2 stops19h 50mMultiple Airlines

Wed 22/1018:25LTN - SFO

2 stops29h 45mMultiple Airlines

Deal found 15/9£388

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 15 September 2025.

Wed 22/1008:30SFO - STN

2 stops21h 20mMultiple Airlines

Wed 29/1020:55STN - SFO

2 stops27h 35mMultiple Airlines

Deal found 14/9£383

Mon 9/316:15SFO - LHR

2 stops18h 25mScandinavian Airlines

Wed 18/319:30LHR - SFO

1 stop27h 05mScandinavian Airlines

Deal found 14/9£390

Mon 16/220:40SFO - GLA

1 stop13h 35mBritish Airways

Fri 27/212:45GLA - SFO

1 stop14h 00mBritish Airways

Deal found 13/9£415

Mon 17/1116:35SFO - LGW

2 stops20h 00mTAP AIR PORTUGAL

Tue 2/1216:35LGW - SFO

1 stop29h 55mTAP AIR PORTUGAL

Deal found 15/9£418

Mon 9/318:25SFO - LHR

Nonstop10h 35mUnited Airlines

Wed 18/312:05LHR - SFO

1 stop36h 25mUnited Airlines

Deal found 14/9£419

Tue 14/1019:00SFO - GLA

2 stops16h 40mAmerican Airlines

Tue 21/1008:45GLA - SFO

2 stops19h 42mAmerican Airlines

Deal found 14/9£425

Mon 8/1216:30SFO - LHR

Nonstop10h 10mDelta

Tue 16/1206:30LHR - SFO

1 stop13h 20mDelta

Deal found 15/9£428

Tue 21/1015:05SFO - BHX

1 stop23h 05mAir France

Fri 14/1106:00BHX - SFO

1 stop15h 25mAir France

Deal found 15/9£442

Wed 22/1013:45SFO - GLA

1 stop18h 25mKLM

Mon 3/1117:20GLA - SFO

1 stop26h 30mKLM

Deal found 12/9£447

Wed 1/1020:25SFO - BHX

1 stop17h 45mVirgin Atlantic

Wed 29/1006:15BHX - SFO

2 stops18h 30mVirgin Atlantic

Deal found 12/9£450

Wed 5/1117:20SFO - MAN

1 stop17h 55mAer Lingus

Wed 19/1110:00MAN - SFO

1 stop13h 35mAer Lingus

Deal found 14/9£487

Thu 23/1019:30SFO - LGW

1 stop14h 20mSWISS

Tue 28/1018:40LGW - SFO

1 stop29h 50mSWISS

Deal found 14/9£490

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 15 September 2025.

Tue 28/1018:25SFO - LHR

Nonstop10h 35mLufthansa

Tue 4/1110:05LHR - SFO

Nonstop11h 15mLufthansa

Deal found 13/9£401

Tue 7/1021:20SFO - LHR

Nonstop10h 20mVirgin Atlantic

Tue 14/1016:25LHR - SFO

Nonstop11h 05mVirgin Atlantic

Deal found 12/9£414

Wed 29/1017:30SFO - LHR

Nonstop10h 10mVirgin Atlantic

Wed 5/1111:40LHR - SFO

Nonstop11h 00mVirgin Atlantic

Deal found 14/9£423

Wed 15/1019:20SFO - LHR

Nonstop10h 25mBritish Airways

Thu 18/1211:45LHR - SFO

Nonstop11h 15mBritish Airways

Deal found 14/9£428

Tue 14/1016:30SFO - LHR

Nonstop10h 25mBritish Airways

Thu 30/1015:25LHR - SFO

Nonstop11h 20mBritish Airways

Deal found 12/9£431

Mon 1/1220:40SFO - LHR

Nonstop10h 30mBritish Airways

Fri 12/1215:25LHR - SFO

Nonstop11h 20mBritish Airways

Deal found 14/9£431

Mon 27/1018:30SFO - LHR

Nonstop10h 30mBritish Airways

Tue 11/1111:45LHR - SFO

Nonstop11h 15mBritish Airways

Deal found 13/9£432

Tue 14/1019:50SFO - LHR

Nonstop10h 20mUnited Airlines

Tue 21/1016:15LHR - SFO

Nonstop11h 05mUnited Airlines

Deal found 14/9£433

Sun 8/217:25SFO - LHR

Nonstop10h 35mUnited Airlines

Tue 17/210:05LHR - SFO

Nonstop11h 15mUnited Airlines

Deal found 13/9£434

Mon 9/216:30SFO - LHR

Nonstop10h 10mVirgin Atlantic

Fri 20/211:40LHR - SFO

Nonstop11h 00mVirgin Atlantic

Deal found 13/9£439

Last-minute flights from San Francisco to United Kingdom
Discover last-minute flight deals from San Francisco to United Kingdom. Data last updated 15 September 2025 and is based on user searches.

Sun 21/908:30SFO - LHR

1 stop14h 00mMultiple Airlines

Tue 7/1006:50LHR - SFO

2 stops21h 01mMultiple Airlines

Deal found 13/9£385

Mon 22/913:05SFO - LHR

Nonstop10h 20mUnited Airlines

Tue 7/1008:45LHR - SFO

1 stop15h 25mUnited Airlines

Deal found 15/9£397

Mon 6/1008:40SFO - LTN

2 stops19h 40mMultiple Airlines

Mon 13/1016:00LTN - SFO

2 stops32h 10mMultiple Airlines

Deal found 14/9£394

Mon 13/1015:30SFO - LHR

2 stops18h 10mScandinavian Airlines

Mon 10/1106:40LHR - SFO

1 stop15h 55mScandinavian Airlines

Deal found 14/9£383

Mon 13/1016:20SFO - LGW

1 stop15h 15mTAP AIR PORTUGAL

Mon 20/1016:25LGW - SFO

1 stop29h 10mTAP AIR PORTUGAL

Deal found 13/9£394

Tue 14/1008:30SFO - LTN

2 stops19h 50mMultiple Airlines

Wed 22/1018:25LTN - SFO

2 stops29h 45mMultiple Airlines

Deal found 15/9£388

Tue 14/1015:30SFO - LHR

2 stops19h 00mScandinavian Airlines

Wed 12/1119:30LHR - SFO

1 stop27h 05mScandinavian Airlines

Deal found 14/9£394

Tue 14/1015:30SFO - LHR

2 stops19h 00mScandinavian Airlines

Thu 5/219:50LHR - SFO

2 stops26h 45mScandinavian Airlines

Deal found 14/9£397

Thu 23/1016:20SFO - MAN

1 stop33h 45mTAP AIR PORTUGAL

Thu 6/1117:10MAN - SFO

1 stop30h 55mTAP AIR PORTUGAL

Deal found 13/9£349

Mon 27/1020:59SFO - LHR

2 stops38h 31mScandinavian Airlines

Wed 12/1119:30LHR - SFO

1 stop27h 05mScandinavian Airlines

Deal found 12/9£389

Wed 29/1017:35SFO - LHR

1 stop34h 50mTAP AIR PORTUGAL

Sat 8/1106:00LHR - SFO

1 stop16h 45mTAP AIR PORTUGAL

Deal found 13/9£388

Thu 30/1021:30SFO - LHR

2 stops38h 00mScandinavian Airlines

Sun 2/1117:00LHR - SFO

1 stop29h 35mScandinavian Airlines

Deal found 15/9£393

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 15 September 2025.

Thu 23/1016:20SFO - MAN

1 stop33h 45mTAP AIR PORTUGAL

Deal found 14/9£176

Wed 15/1010:15SFO - EDI

3 stops44h 15mMultiple Airlines

Deal found 13/9£195

Sat 11/1010:15SFO - BHX

3 stops37h 25mMultiple Airlines

Deal found 13/9£196

Fri 16/113:00SFO - EDI

2 stops25h 50mMultiple Airlines

Deal found 12/9£202

Wed 22/1010:15SFO - EDI

3 stops46h 10mMultiple Airlines

Deal found 15/9£204

Mon 27/1017:35SFO - GLA

2 stops31h 45mMultiple Airlines

Deal found 14/9£211

Thu 20/1113:00SFO - EDI

2 stops35h 05mMultiple Airlines

Deal found 13/9£226

Tue 11/1109:12SFO - EDI

3 stops49h 13mMultiple Airlines

Deal found 13/9£232

Wed 3/1212:25SFO - MAN

2 stops22h 10mScandinavian Airlines

Deal found 13/9£234

Tue 28/1011:09SFO - BHX

3 stops39h 11mMultiple Airlines

Deal found 15/9£237

Wed 22/1006:00SFO - EDI

1 stop19h 15mJetBlue

Deal found 15/9£243

Mon 5/116:35SFO - EDI

2 stops37h 05mMultiple Airlines

Deal found 12/9£254

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 - STN

SFOSTN

San Francisco

Wed 22/10

08:30-13:50

2 stops21h 20m

London Stansted

Wed 29/10

20:55-17:30

2 stops27h 35m

£383

San FranciscoLondon

SFO - STN

SFOSTN

San Francisco

Wed 3/12

08:25-16:00

2 stops23h 35m

London Stansted

Thu 11/12

08:30-21:22

2 stops20h 52m

£385

San FranciscoLondon

SFO - STN

SFOSTN

San Francisco

Mon 10/11

08:25-20:55

2 stops28h 30m

London Stansted

Mon 17/11

13:55-16:30

2 stops34h 35m

£387

San FranciscoLondon

SFO - LTN

SFOLTN

San Francisco

Wed 3/12

08:25-22:30

2 stops30h 05m

London Luton

Thu 11/12

06:50-21:22

2 stops22h 32m

£387

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Mon 9/3

16:15-17:40

2 stops18h 25m

London Heathrow

Wed 18/3

19:30-15:35

1 stop27h 05m

£390

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Thu 30/10

21:30-18:30

2 stops38h 00m

London Heathrow

Sun 2/11

17:00-14:35

1 stop29h 35m

£393

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Wed 12/11

12:30-17:40

2 stops21h 10m

London Heathrow

Wed 19/11

21:05-14:35

2 stops25h 30m

£397

San FranciscoGlasgow

SFO - GLA

SFOGLA

San Francisco

Mon 16/2

20:40-18:15

1 stop13h 35m

Glasgow Intl

Fri 27/2

12:45-18:45

1 stop14h 00m

£415

San FranciscoGlasgow

SFO - GLA

SFOGLA

San Francisco

Sun 1/2

20:40-21:25

1 stop16h 45m

Glasgow Intl

Mon 16/2

20:25-15:00

1 stop26h 35m

£417

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

Mon 17/11

16:35-20:35

2 stops20h 00m

London Gatwick

Tue 2/12

16:35-14:30

1 stop29h 55m

£418

Flights are sorted by cheapest return flights first.

Deals found on 13/9

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 Monday (42 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (42 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

8,929 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

8,929 reviews

United Airlines

7.4

Good

8,929 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

664 reviews

United Airlines

7.4

Good

8,929 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

2,924 reviews

United Airlines

7.4

Good

8,929 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

7,407 reviews

United Airlines

7.4

Good

8,929 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

7,361 reviews

United Airlines

7.4

Good

8,929 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 13h 35m. Fly via Scandinavian Airlines, British Airways, or TAP AIR PORTUGAL 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 £176. Scandinavian Airlines flights start at £234 while deals on JetBlue start at £243 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 (89%), KLM (88%) or Air France (88%) 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 £1,369 for a flight from San Francisco to United Kingdom. The cheapest flight overall is £267 while the most popular route, (San Francisco - London Heathrow) is currently priced at £320.
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 10 airlines flying from San Francisco to United Kingdom

Airline	Cheapest	Average	Flexibility	On-time
Scandinavian Airlines	Cheapest£352	Average£443	FlexibilityNo cancel fee	On-time77%	Search Scandinavian Airlines flights
Virgin Atlantic	Cheapest£365	Average£580	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
KLM	Cheapest£366	Average£468	FlexibilityNo cancel fee	On-time75%	Search KLM flights
British Airways	Cheapest£383	Average£611	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
TAP AIR PORTUGAL	Cheapest£387	Average£402	FlexibilityNo cancel fee	On-timeN/A	Search TAP AIR PORTUGAL flights
United Airlines	Cheapest£413	Average£588	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Iberia	Cheapest£421	Average£510	FlexibilityNo cancel fee	On-time77%	Search Iberia flights
Lufthansa	Cheapest£426	Average£674	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
Air Canada	Cheapest£430	Average£605	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
Aer Lingus	Cheapest£497	Average£648	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.

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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 £176

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 23/10. 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 15 September 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 15 September 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 15 September 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

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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 15 September 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.

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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?

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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?

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Alternative routes for San Francisco to United Kingdom

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Top 10 airlines flying from San Francisco to United Kingdom

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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 15 September 2025.