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Cheap flights from San Francisco to the United Kingdom from £152

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 5/8. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — LHR
28 Mar — 4 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from San Francisco to United Kingdom

Enter your travel dates to find the best prices.

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 26 February 2026.

Mon 2/1116:40
SFO
-
MAN
2 stops60h 35m
Scandinavian Airlines
Fri 6/1110:10
MAN
-
SFO
1 stop36h 25m
Scandinavian Airlines
Deal found 23/2£418
Sun 26/419:40
SFO
-
MAN
1 stop35h 00m
Multiple Airlines
Tue 12/519:40
MAN
-
SFO
2 stops34h 15m
Multiple Airlines
Deal found 25/2£425
Sun 6/916:45
SFO
-
MAN
2 stops35h 20m
Scandinavian Airlines
Wed 9/910:20
MAN
-
SFO
2 stops36h 20m
Scandinavian Airlines
Deal found 24/2£429
Tue 7/408:30
SFO
-
EDI
1 stop14h 50m
Air Canada
Fri 24/409:00
EDI
-
SFO
1 stop14h 20m
Air Canada
Deal found 24/2£434
Sun 26/419:40
SFO
-
MAN
1 stop29h 20m
Multiple Airlines
Sun 17/506:25
MAN
-
SFO
2 stops42h 15m
Multiple Airlines
Deal found 23/2£440
Sun 26/419:40
SFO
-
MAN
1 stop29h 20m
Multiple Airlines
Sat 16/520:10
MAN
-
SFO
1 stop29h 45m
Multiple Airlines
Deal found 23/2£442
Fri 6/1116:40
SFO
-
LHR
2 stops37h 55m
Scandinavian Airlines
Sat 14/1110:20
LHR
-
SFO
1 stop36h 15m
Scandinavian Airlines
Deal found 23/2£444
Wed 11/317:35
SFO
-
LGW
1 stop33h 15m
TAP AIR PORTUGAL
Thu 19/316:00
LGW
-
SFO
1 stop32h 05m
TAP AIR PORTUGAL
Deal found 23/2£444
Tue 7/419:40
SFO
-
EDI
1 stop16h 55m
Multiple Airlines
Wed 22/421:20
EDI
-
SFO
1 stop28h 35m
Multiple Airlines
Deal found 23/2£444
Sun 8/317:40
SFO
-
STN
2 stops20h 40m
Multiple Airlines
Thu 12/313:45
STN
-
SFO
2 stops32h 50m
Multiple Airlines
Deal found 24/2£444
Tue 28/408:10
SFO
-
LTN
2 stops21h 35m
Multiple Airlines
Mon 4/508:00
LTN
-
SFO
2 stops21h 10m
Multiple Airlines
Deal found 25/2£444
Sun 8/317:40
SFO
-
LHR
2 stops18h 10m
Scandinavian Airlines
Sun 15/319:30
LHR
-
SFO
1 stop27h 05m
Scandinavian Airlines
Deal found 25/2£444

Find 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 26 February 2026.

Round-trip from

£425

One-way from

£152

Popular in

June

Cheapest in

January

Average price

£487

Good round-trip deal

£489 or less

Good one-way deal

£241 or less
26/4-12/5
  • 26/4-12/5
  • 3 total stops
  • 69h 15m total
  • San Francisco to United Kingdom
Search Deals
British Airways
  • British Airways
  • 22/7
  • 2 total stops
  • 18h 59m total
  • San Francisco to United Kingdom
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (£86 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£16 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
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

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 26 February 2026.
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 - LGW

SFOLGW

San Francisco

Fri 17/4

20:20-09:45

1 stop29h 25m

London Gatwick

Mon 4/5

21:15-14:35

2 stops25h 20m

£452

San FranciscoLondon

SFO - LTN

SFOLTN

San Francisco

Mon 20/4

16:45-22:50

2 stops22h 05m

London Luton

Fri 24/4

12:50-14:40

2 stops33h 50m

£467

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Sat 22/8

23:59-07:40

1 stop23h 41m

London Heathrow

Fri 4/9

08:40-16:15

1 stop15h 35m

£478

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Mon 11/5

23:15-17:30

Nonstop10h 15m

London Heathrow

Thu 21/5

06:15-12:50

1 stop14h 35m

£481

San FranciscoGlasgow

SFO - GLA

SFOGLA

San Francisco

Tue 10/3

09:15-08:30

2 stops16h 15m

Glasgow Intl

Tue 17/3

06:05-16:04

2 stops16h 59m

£485

San FranciscoGlasgow

SFO - GLA

SFOGLA

San Francisco

Tue 14/4

16:35-14:40

1 stop14h 05m

Glasgow Intl

Tue 28/4

08:35-19:20

2 stops18h 45m

£491

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Fri 14/8

15:00-13:05

1 stop14h 05m

London Heathrow

Thu 17/9

06:30-11:45

1 stop13h 15m

£493

San FranciscoLondon

SFO - LCY

SFOLCY

San Francisco

Wed 11/3

14:55-19:35

1 stop21h 40m

London City

Wed 8/4

19:00-11:45

1 stop24h 45m

£494

San FranciscoGlasgow

SFO - GLA

SFOGLA

San Francisco

Tue 14/4

11:00-16:10

2 stops21h 10m

Glasgow Intl

Tue 28/4

06:00-19:03

2 stops21h 03m

£495

San FranciscoLondon

SFO - LTN

SFOLTN

San Francisco

Sun 19/4

15:15-23:20

2 stops24h 05m

London Luton

Sat 25/4

18:15-13:15

2 stops27h 00m

£507

Flights are sorted by cheapest return flights first.

Deals found on 22/2

Showing 1-10 of 60 resultsSorted by cheapest first
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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, October is the cheapest month in which you can book a flight from San Francisco to United Kingdom (average of £367). Flying from San Francisco to United Kingdom in June is currently the most expensive (average of £571). 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 26 February 2026.

It’s optimal to fly from San Francisco to United Kingdom in the morning. By choosing this option you can save up to 31% on the cost of your flight, compared to a flight at midday.

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

Use this chart to determine the cheapest time to fly return from San Francisco to United Kingdom. Price data was last updated on 21 February 2026.

Travellers seeking maximum savings on their San Francisco to United Kingdom flight should consider departing on Tuesday evenings when fares are most often at their lowest. Saturday at midday flights should be avoided if possible as fares are typically the most expensive at this time.

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 26 February 2026.

The most flights from SFO to GB0 are scheduled on a Tuesday (31 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (26 on average).

How often are flights from San Francisco to the United Kingdom delayed?

About 11% of weekly flights between San Francisco and United Kingdom have experienced delays in the past year, with the average delay time being 152 minutes.

What is the most punctual flight time for San Francisco to the United Kingdom flights?

Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Monday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on San Francisco to the United Kingdom flights?

Over the past year, Virgin Atlantic have had the lowest number of delays on this route, with just 9% of flights being delayed.

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 26 February 2026.
See what other customers who have flown with KLM, Virgin Atlantic, andUnited Airlines 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.
KLM
7.7
Good
1,460 reviews
Check prices

Crew

8.4

Boarding

7.8

Entertainment

7.1

Overall

7.7

Comfort

7.6

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
KLM
7.7
Good
1,460 reviews
KLM
7.7
Good
1,460 reviews
Check prices

Crew

8.4

Boarding

7.8

Entertainment

7.1

Overall

7.7

Comfort

7.6

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Virgin Atlantic
7.5
Good
679 reviews
KLM
7.7
Good
1,460 reviews
Check prices

Crew

8.4

Boarding

7.8

Entertainment

7.1

Overall

7.7

Comfort

7.6

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
United Airlines
7.4
Good
9,347 reviews
KLM
7.7
Good
1,460 reviews
Check prices

Crew

8.4

Boarding

7.8

Entertainment

7.1

Overall

7.7

Comfort

7.6

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Lufthansa
6.8
Okay
7,810 reviews
KLM
7.7
Good
1,460 reviews
Check prices

Crew

8.4

Boarding

7.8

Entertainment

7.1

Overall

7.7

Comfort

7.6

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
British Airways
6.7
Okay
7,768 reviews
KLM
7.7
Good
1,460 reviews
Check prices

Crew

8.4

Boarding

7.8

Entertainment

7.1

Overall

7.7

Comfort

7.6

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

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.

  • 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 10h 15m. Fly via TAP AIR PORTUGAL, Delta, or KLM to get the fastest option. 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 San Francisco to United Kingdom one-way?

    To fly one-way, consider booking your trip with Lufthansa, which is currently one of the cheapest options available, starting at £170. Virgin Atlantic flights start at £170 while deals on British Airways start at £172 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 Stansted 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 Air Canada (86%), Austrian Airlines (86%) or United Airlines (86%) 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 £1,392 for a flight from San Francisco to United Kingdom. The cheapest flight overall is £161 while the most popular route, (San Francisco - London Heathrow) is currently priced at £381.

  • 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, October is the cheapest month in which you can book a flight from San Francisco to United Kingdom (average of £367). Flying from San Francisco to United Kingdom in June is currently the most expensive (average of £571). 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 7 airlines flying from San Francisco to United Kingdom

Discover the top 7 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 26 February 2026.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest£366Average£583FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
KLMCheapest£367Average£721FlexibilityNo cancel feeOn-time75%
Search KLM flights
LufthansaCheapest£369Average£647FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
British AirwaysCheapest£384Average£653FlexibilityNo cancel feeOn-time70%
Search British Airways flights
United AirlinesCheapest£400Average£577FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
IberiaCheapest£422Average£563FlexibilityNo cancel feeOn-time77%
Search Iberia flights
Aer LingusCheapest£517Average£667FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus 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.

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