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Cheap flights from San Francisco to the United Kingdom from £195

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 14/8. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — LHR
18 Jun — 25 Jun1
1 adult

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 13 June 2025.

Round-trip from

£434

One-way from

£195

Popular in

June

Cheapest in

October

Average price

£763

Good round-trip deal

£516 or less

Good one-way deal

£278 or less
British Airways
  • British Airways
  • 20/8-27/8
  • 2 total stops
  • 28h 35m total
  • San Francisco to United Kingdom
14/8
  • 14/8
  • 2 total stops
  • 51h 48m total
  • San Francisco to United Kingdom
Highest demand for flights based on searches. 17% potential increase in price (£84 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£15 potential savings vs. average return price).
Average for round-trip flights in June 2025
Price to beat on a round-trip flight from San Francisco to United Kingdom.
Price to beat on a one-way flight from San Francisco to United Kingdom.

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 13 June 2025.

Wed 20/816:30SFO - GLA
1 stop13h 45mBritish Airways
Wed 27/810:35GLA - SFO
1 stop14h 50mBritish Airways
Deal found 12/6£434
Wed 20/816:35SFO - GLA
1 stop17h 15mAmerican Airlines
Wed 27/808:40GLA - SFO
2 stops18h 27mAmerican Airlines
Deal found 12/6£458
Wed 10/919:30SFO - LCY
1 stop13h 45mSWISS
Thu 25/909:25LCY - SFO
1 stop14h 45mSWISS
Deal found 12/6£500
Fri 1/819:20SFO - LHR
Nonstop10h 25mBritish Airways
Sun 3/819:40LHR - SFO
1 stop21h 41mBritish Airways
Deal found 12/6£500
Fri 21/1112:50SFO - LHR
Nonstop10h 35mUnited Airlines
Thu 27/1108:55LHR - SFO
1 stop15h 30mUnited Airlines
Deal found 12/6£501
Sun 14/906:00SFO - LGW
1 stop20h 55mMultiple Airlines
Fri 26/910:55LGW - SFO
1 stop15h 18mMultiple Airlines
Deal found 12/6£502
Wed 9/721:20SFO - LHR
Nonstop10h 20mDelta
Tue 12/811:15LHR - SFO
Nonstop11h 00mDelta
Deal found 12/6£502
Sat 22/1116:00SFO - LCY
2 stops31h 15mDelta
Mon 1/1210:00LCY - SFO
2 stops40h 10mDelta
Deal found 12/6£503
Thu 31/719:30SFO - LGW
1 stop14h 20mSWISS
Tue 19/818:35LGW - SFO
1 stop29h 35mSWISS
Deal found 12/6£505
Thu 24/713:45SFO - LHR
1 stop13h 00mKLM
Tue 5/812:25LHR - SFO
1 stop17h 00mKLM
Deal found 10/6£505
Mon 21/707:05SFO - LGW
1 stop18h 55mDelta
Wed 30/712:00LGW - SFO
1 stop16h 53mDelta
Deal found 12/6£507
Mon 1/916:10SFO - LCY
2 stops42h 25mLufthansa
Thu 11/908:45LCY - SFO
2 stops20h 12mLufthansa
Deal found 11/6£508

Cheapflights Fare Finder

Customise your flight search to find flights from San Francisco to United Kingdom that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 13 June 2025.
Use the filters below to find and compare flights from San Francisco to the United Kingdom that are best for you.

Fly from

San Francisco

Fly to

United Kingdom

Route

Depart

Return

Price

San FranciscoGlasgow

SFO - GLA

SFOGLA

San Francisco

Wed 20/8

16:30-14:15

1 stop13h 45m

Glasgow Intl

Wed 27/8

10:35-17:25

1 stop14h 50m

£434

San FranciscoGlasgow

SFO - GLA

SFOGLA

San Francisco

Wed 20/8

16:35-17:50

1 stop17h 15m

Glasgow Intl

Wed 27/8

08:40-19:07

2 stops18h 27m

£458

San FranciscoLondon

SFO - LCY

SFOLCY

San Francisco

Wed 10/9

19:30-17:15

1 stop13h 45m

London City

Thu 25/9

09:25-16:10

1 stop14h 45m

£500

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Fri 1/8

19:20-13:45

Nonstop10h 25m

London Heathrow

Sun 3/8

19:40-09:21

1 stop21h 41m

£500

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Fri 21/11

11:20-11:50

1 stop16h 30m

London Heathrow

Thu 27/11

08:55-16:25

1 stop15h 30m

£501

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

Sun 14/9

06:00-10:55

1 stop20h 55m

London Gatwick

Fri 26/9

10:55-18:13

1 stop15h 18m

£502

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Wed 9/7

21:20-15:40

Nonstop10h 20m

London Heathrow

Tue 12/8

11:15-14:15

Nonstop11h 00m

£502

San FranciscoLondon

SFO - LCY

SFOLCY

San Francisco

Sat 22/11

16:00-07:15

2 stops31h 15m

London City

Mon 1/12

10:00-18:10

2 stops40h 10m

£503

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

Mon 8/9

19:30-17:50

1 stop14h 20m

London Gatwick

Fri 19/9

18:40-16:10

1 stop29h 30m

£503

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Thu 24/7

13:45-10:45

1 stop13h 00m

London Heathrow

Tue 5/8

12:25-21:25

1 stop17h 00m

£505

Flights are sorted by cheapest return flights first.

Deals found on 12/6

Showing 1-10 of 60 results
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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?

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 13 June 2025.

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

Explore weekly flight availability from San Francisco to United Kingdom. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 13 June 2025.

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).

Rainfall in United Kingdom by month

Plan your trip to United Kingdom by taking into account the average rainfall totals by month.

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.

Temperature in United Kingdom by month

Plan your trip to United Kingdom by taking into account the average temperature totals by month.

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).

Reviews of airlines servicing United Kingdom

Get insights into the airlines that provide service to United Kingdom. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to United Kingdom. Reviews last updated 13 June 2025.
Read reviews from past customers who have flown Delta, Porter Airlines and KLM from San Francisco to United Kingdom. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very Good

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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?

    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.

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

    To fly one-way, consider booking your trip with WestJet, which is currently one of the cheapest options available, starting at £221. Iberia flights start at £222 while deals on British Airways start at £279 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?

    Consider Air New Zealand (81%), Air France (80%) or Delta (80%) 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 £2,247 for a flight from San Francisco to United Kingdom. The cheapest flight overall is £265 while the most popular route, (San Francisco - London Heathrow) is currently priced at £354.

  • 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 9 airlines flying from San Francisco to United Kingdom

Discover the top 9 airlines that operate flights from San Francisco to United Kingdom. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 13 June 2025.
AirlineCheapestAverageFlexibilityOn-time
TAP AIR PORTUGALCheapest£386Average£402FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
British AirwaysCheapest£401Average£605FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Virgin AtlanticCheapest£416Average£567FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
IberiaCheapest£422Average£530FlexibilityNo cancel feeOn-time77%
Search Iberia flights
Air CanadaCheapest£429Average£604FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
KLMCheapest£437Average£617FlexibilityNo cancel feeOn-time75%
Search KLM flights
United AirlinesCheapest£452Average£659FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
LufthansaCheapest£476Average£670FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Aer LingusCheapest£496Average£628FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights

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

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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!

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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.

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