Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from San Francisco to the United Kingdom from £194

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 22/6. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — LHR
30 Mar — 6 Apr1
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 25 March 2025.

Round-trip from

£467

One-way from

£194

Popular in

June

Cheapest in

October

Average price

£535

Good round-trip deal

£513 or less

Good one-way deal

£313 or less
Scandinavian Airlines
  • Scandinavian Airlines
  • 21/9-2/10
  • 4 total stops
  • 35h 20m total
  • San Francisco to United Kingdom
Search Deals
WestJet
  • WestJet
  • 22/6
  • 1 total stop
  • 13h 15m total
  • San Francisco to United Kingdom
Search Deals
Highest demand for flights based on searches. 19% potential increase in price (£114 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£20 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 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 25 March 2025.

Sun 21/919:40SFO - LHR
2 stops17h 55mScandinavian Airlines
Thu 2/1007:05LHR - SFO
2 stops17h 25mScandinavian Airlines
Deal found 25/3£467
Mon 22/916:20SFO - LGW
2 stops20h 05mTAP AIR PORTUGAL
Tue 30/916:25LGW - SFO
1 stop30h 10mTAP AIR PORTUGAL
Deal found 25/3£468
Wed 30/416:20SFO - LHR
Nonstop10h 35mIberia
Wed 7/514:15LHR - SFO
Nonstop11h 00mIberia
Deal found 24/3£469
Mon 14/411:40SFO - LHR
1 stop34h 55mMultiple Airlines
Tue 29/420:05LHR - SFO
1 stop28h 05mMultiple Airlines
Deal found 24/3£471
Mon 7/419:30SFO - GLA
1 stop16h 10mAmerican Airlines
Tue 22/405:50GLA - SFO
1 stop19h 25mAmerican Airlines
Deal found 24/3£472
Tue 8/419:30SFO - GLA
1 stop15h 20mBritish Airways
Wed 23/408:40GLA - SFO
1 stop16h 35mBritish Airways
Deal found 24/3£475
Wed 29/1017:35SFO - LHR
1 stop22h 05mTAP AIR PORTUGAL
Tue 11/1118:30LHR - SFO
1 stop28h 15mTAP AIR PORTUGAL
Deal found 24/3£475
Sun 18/514:18SFO - LGW
1 stop36h 37mMultiple Airlines
Fri 30/510:55LGW - SFO
1 stop16h 48mMultiple Airlines
Deal found 24/3£476
Mon 14/419:40SFO - STN
2 stops21h 05mMultiple Airlines
Mon 28/413:40STN - SFO
2 stops34h 50mMultiple Airlines
Deal found 24/3£478
Sun 6/416:05SFO - LHR
Nonstop10h 20mVirgin Atlantic
Tue 22/406:15LHR - SFO
1 stop14h 35mVirgin Atlantic
Deal found 25/3£486
Tue 29/416:05SFO - LHR
Nonstop10h 20mDelta
Wed 7/509:00LHR - SFO
1 stop17h 15mDelta
Deal found 24/3£488
Sun 27/422:33SFO - LGW
1 stop25h 37mBritish Airways
Mon 5/515:05LGW - SFO
1 stop26h 20mBritish Airways
Deal found 24/3£492

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 25 March 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 FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Sun 21/9

19:40-21:35

2 stops17h 55m

London Heathrow

Thu 2/10

07:05-16:30

2 stops17h 25m

£467

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Wed 30/4

16:20-10:55

Nonstop10h 35m

London Heathrow

Wed 7/5

14:15-17:15

Nonstop11h 00m

£469

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Mon 14/4

11:40-06:35

1 stop34h 55m

London Heathrow

Tue 29/4

20:05-16:10

1 stop28h 05m

£471

San FranciscoGlasgow

SFO - GLA

SFOGLA

San Francisco

Mon 7/4

19:30-19:40

1 stop16h 10m

Glasgow Intl

Tue 22/4

05:50-17:15

1 stop19h 25m

£472

San FranciscoGlasgow

SFO - GLA

SFOGLA

San Francisco

Tue 8/4

19:30-18:50

1 stop15h 20m

Glasgow Intl

Wed 23/4

08:40-17:15

1 stop16h 35m

£475

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

Sun 18/5

14:18-10:55

1 stop36h 37m

London Gatwick

Fri 30/5

10:55-19:43

1 stop16h 48m

£476

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Sun 6/4

16:05-10:25

Nonstop10h 20m

London Heathrow

Tue 22/4

06:15-12:50

1 stop14h 35m

£486

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Sun 6/4

17:45-14:55

1 stop13h 10m

London Heathrow

Tue 22/4

09:50-15:55

1 stop14h 05m

£487

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Tue 29/4

16:05-10:25

Nonstop10h 20m

London Heathrow

Tue 6/5

06:15-12:50

1 stop14h 35m

£488

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

Fri 25/4

20:20-11:20

2 stops31h 00m

London Gatwick

Wed 7/5

16:25-14:30

1 stop30h 05m

£491

Flights are sorted by cheapest return flights first.

Deals found on 24/3

Showing 1-10 of 60 results
1
2
3
...
6

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 25 March 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.

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 25 March 2025.
Read reviews from past customers who have flown Delta, KLM and Air Transat 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.
Delta
8.0
Very Good
7,890 reviews
Check prices

Entertainment

7.9

Overall

8.0

Comfort

8.0

Boarding

8.2

Food

7.3

Crew

8.5

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.
Delta
8.0
Very Good
7,890 reviews
Delta
8.0
Very Good
7,890 reviews
Check prices

Entertainment

7.9

Overall

8.0

Comfort

8.0

Boarding

8.2

Food

7.3

Crew

8.5

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.
KLM
7.8
Good
1,318 reviews
Delta
8.0
Very Good
7,890 reviews
Check prices

Entertainment

7.9

Overall

8.0

Comfort

8.0

Boarding

8.2

Food

7.3

Crew

8.5

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.
Air Transat
7.8
Good
381 reviews
Delta
8.0
Very Good
7,890 reviews
Check prices

Entertainment

7.9

Overall

8.0

Comfort

8.0

Boarding

8.2

Food

7.3

Crew

8.5

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.
Finnair
7.6
Good
1,266 reviews
Delta
8.0
Very Good
7,890 reviews
Check prices

Entertainment

7.9

Overall

8.0

Comfort

8.0

Boarding

8.2

Food

7.3

Crew

8.5

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.
SWISS
7.5
Good
1,569 reviews
Delta
8.0
Very Good
7,890 reviews
Check prices

Entertainment

7.9

Overall

8.0

Comfort

8.0

Boarding

8.2

Food

7.3

Crew

8.5

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 £194. Air Canada flights start at £298 while deals on JetBlue start at £301 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 United Airlines (86%), Iberia (86%) or American Airlines (84%) 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 £2,319 for a flight from San Francisco to United Kingdom. The cheapest flight overall is £290 while the most popular route, (San Francisco - London Heathrow) is currently priced at £427.

  • 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.

Alternative routes for San Francisco to United Kingdom

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Heathrow flights
San Francisco to Heathrow flights
Los Angeles to London City flights
Los Angeles to Gatwick flights
San Francisco to Gatwick flights
San Francisco to London City flights
San Diego to Heathrow flights
Los Angeles to Luton flights
Ontario to Heathrow flights
Las Vegas to Heathrow flights
San Diego to Gatwick flights
Los Angeles to Stansted flights
San Francisco to Edinburgh flights
San Jose to Heathrow flights
Los Angeles to Edinburgh flights
San Jose to Gatwick flights
San Francisco to Stansted flights
Las Vegas to Gatwick flights
Las Vegas to London City flights
Sacramento to Heathrow flights
San Francisco to Luton flights
San Francisco to Manchester flights
Los Angeles to Manchester flights
San Francisco to Glasgow Intl flights
Los Angeles to Southend flights
Sacramento to Gatwick flights
Santa Ana to Heathrow flights
Ontario to Edinburgh flights
Los Angeles to Glasgow Intl flights
Oakland to Heathrow flights
Burbank to Heathrow flights
San Diego to Edinburgh flights
Palm Springs to Heathrow flights
San Francisco to Athens flights
Los Angeles to Athens flights
San Francisco to Birmingham flights
Ontario to Manchester flights
Oakland to Gatwick flights
Los Angeles to Southampton flights
Reno to Heathrow flights

Top 10 airlines flying from San Francisco to United Kingdom

Discover the top 10 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 25 March 2025.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest£379Average£666FlexibilityNo cancel feeOn-time76%
Search Finnair flights
TAP AIR PORTUGALCheapest£406Average£422FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
British AirwaysCheapest£421Average£637FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Virgin AtlanticCheapest£438Average£582FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
IberiaCheapest£444Average£556FlexibilityNo cancel feeOn-time77%
Search Iberia flights
Air CanadaCheapest£451Average£693FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
KLMCheapest£459Average£822FlexibilityNo cancel feeOn-time75%
Search KLM flights
United AirlinesCheapest£472Average£690FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
LufthansaCheapest£500Average£733FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
DeltaCheapest£530Average£720FlexibilityNo cancel feeOn-timeN/A
Search Delta flights

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?

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.