Cheap flights from United Kingdom to San Francisco

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How to find the cheapest flight from
United Kingdom to San Francisco (SFO)

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

To save up to 41% on this flight, we recommend booking at least 61 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from United Kingdom to San Francisco from £389 1-2 weeks out and tickets from £478 for flights departing within the next 72 hours.

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

The best pricing can be found in the month of February. Prices to San Francisco from United Kingdom average £355. You can even find prices in February for less than £355, as users have found deals to San Francisco from as low as £260. The month of July appears to be one of the more expensive times to travel to San Francisco from United Kingdom. Flying in the targeted month can save you up to 51%.

Cheap flights from United Kingdom to San Francisco in April, May 2021

11 May - 18 May
£292pp
LHR
London Heathrow
Multiple airlines
 
1 STOP
SFO
San Francisco
SFO
San Francisco
Air Canada
   
2 STOPS
LHR
London Heathrow
18 May - 25 May
£293pp
LHR
London Heathrow
Multiple airlines
 
1 STOP
SFO
San Francisco
SFO
San Francisco
Air Canada
   
2 STOPS
LHR
London Heathrow
11 May - 18 May
£303pp
LHR
London Heathrow
SWISS
 
1 STOP
SFO
San Francisco
SFO
San Francisco
SWISS
 
1 STOP
LHR
London Heathrow

United Kingdom to San Francisco 2021 flight deals

10 Jun - 24 Jun
£266pp
LHR
London Heathrow
TAP AIR PORTUGAL
 
1 STOP
SFO
San Francisco
SFO
San Francisco
TAP AIR PORTUGAL
 
1 STOP
LHR
London Heathrow
22 Aug - 5 Sep
£268pp
LHR
London Heathrow
TAP AIR PORTUGAL
 
1 STOP
SFO
San Francisco
SFO
San Francisco
TAP AIR PORTUGAL
 
1 STOP
LHR
London Heathrow
23 Sep - 26 Sep
£273pp
LHR
London Heathrow
TAP AIR PORTUGAL
 
1 STOP
SFO
San Francisco
SFO
San Francisco
TAP AIR PORTUGAL
 
1 STOP
LHR
London Heathrow

Direct flights to San Francisco from United Kingdom

11 May - 18 May
£309pp
LHR
London Heathrow
Virgin Atlantic
Direct
SFO
San Francisco
SFO
San Francisco
Virgin Atlantic
Direct
LHR
London Heathrow
18 May - 25 May
£318pp
LHR
London Heathrow
Virgin Atlantic
Direct
SFO
San Francisco
SFO
San Francisco
Virgin Atlantic
Direct
LHR
London Heathrow
1 Jun - 15 Jun
£319pp
LHR
London Heathrow
Virgin Atlantic
Direct
SFO
San Francisco
SFO
San Francisco
Virgin Atlantic
Direct
LHR
London Heathrow

Last-minute flights from United Kingdom to San Francisco

16 Apr - 23 Apr
£408pp
LHR
London Heathrow
Lufthansa
 
1 STOP
SFO
San Francisco
SFO
San Francisco
Lufthansa
 
1 STOP
LHR
London Heathrow
16 Apr - 23 Apr
£408pp
LHR
London Heathrow
Lufthansa
 
1 STOP
SFO
San Francisco
SFO
San Francisco
Lufthansa
 
1 STOP
LHR
London Heathrow
16 Apr - 23 Apr
£409pp
LHR
London Heathrow
Lufthansa
 
1 STOP
SFO
San Francisco
SFO
San Francisco
Lufthansa
 
1 STOP
LHR
London Heathrow

One-way flights to San Francisco from United Kingdom

17:05 - 14:20
Vueling
1 stop
29h 15m
LGW - SFO
Vueling
£143
mytrip.com
15:40 - 11:50
Multiple Airlines
2 stops
28h 10m
MAN - SFO
Multiple Airlines
£219
Kiwi.com
05:00 - 15:10
Lufthansa
1 stop
18h 10m
LHR - SFO
Lufthansa

Related info for your journey

Flight FAQs

From United Kingdom to San Francisco

Are flight prices decreasing from United Kingdom to San Francisco due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both United Kingdom and San Francisco for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

What safety measures are being taken by airlines flying from United Kingdom to San Francisco to control the spread of COVID-19?

New policies can now be found on Delta to help keep travellers safe while flying. New policies for travellers booking flights from United Kingdom to San Francisco include masks being provided and required on board, daily cleaning and sanitisation, use of HEPA filters, pre-flight testing for antibodies and symptoms, and socially-distanced seating (for a limited time). Keep in mind that policies will vary by airline.

Which airlines flying from United Kingdom to San Francisco have flexible cancellations due to COVID-19?

Some of the carriers operating flights from United Kingdom to San Francisco that may be offering flexible cancellation policies are British Airways, Virgin Atlantic, and United Airlines. Our site will let you filter for all airlines offering greater flexibility due to COVID-19.

Can I find flights from United Kingdom to San Francisco for under £292 on Cheapflights?

Yes, there are multiple flights from United Kingdom to San Francisco for under £292. The cheapest flight booked recently is on TAP AIR PORTUGAL for just £266, but on average you can expect to pay £287.

Are there direct flights from United Kingdom to San Francisco for under £365 on Cheapflights?

Cheapflights has 20 direct flights from United Kingdom to San Francisco under £365. A good price for a direct flight from United Kingdom to San Francisco is less than £338.

Are there last-minute flights available from United Kingdom to San Francisco for under £438?

There are currently 20+ open flights from United Kingdom to San Francisco within the next 7 days for less than £438.

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

The most popular airlines flying from United Kingdom to San Francisco are American Airlines, Air Canada and Air France. Something to consider prior to booking your flight.

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

The most popular flight routes from United Kingdom to San Francisco are London Heathrow - San Francisco, London Gatwick - San Francisco and London City - San Francisco.

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

Looking for the cheapest flight from United Kingdom to San Francisco? While on average our users pay £1,419, our data indicates the cheapest price to be £217. The most popular route (London Heathrow - San Francisco), is priced around £271.

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

Airlines like Virgin Atlantic, Delta, and KLM fly from United Kingdom to San Francisco in about 11h. The time it takes to get you to your destination can typically vary by up to 2h 25m. This flight may include one or multiple stops.

What are the cheapest airlines to flying from United Kingdom to San Francisco return?

Our cheapest airline available from United Kingdom to San Francisco is TAP AIR PORTUGAL. Our recent data shows that you can find tickets from as low as £267 on this airline. Additional options worth looking into are Vueling and SWISS, starting at £289 and £304 round-trip.

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

For one-way options, check prices for Vueling. According to our data, you can fly for as low as £143. Users have also found prices from £219 and £222 on Vueling and SWISS, respectively.

Destination information for San Francisco

Today's exchange rate
£1 = $1.38
Flight duration
10h 37m
Average temperature for April in San Francisco
19.0 °C
Avg rainfall for April in San Francisco
29.0 mm

Airports servicing San Francisco

Top 10 airlines flying from United Kingdom to San Francisco

Airline Cheapest Average Flexibility On-time COVID-19 safety
Flybe
£110 £167 No cancel fee N/A

We couldn't confirm the COVID-19 safety measures taken by Flybe. Please check directly on their website for additional information.

Search Flybe flights
Norwegian
£354 £526 No cancel fee 74%
Search Norwegian flights
TAP AIR PORTUGAL
£410 £579 No cancel fee N/A
Search TAP AIR PORTUGAL flights
Brussels Airlines
£351 £631 No cancel fee N/A
Search Brussels Airlines flights
Norwegian Air UK
£357 £642 No cancel fee N/A
Search Norwegian Air UK flights
Air Canada
£342 £657 No cancel fee 67%
Search Air Canada flights
SAS
£393 £667 No cancel fee 77%
Search SAS flights
Finnair
£348 £716 No cancel fee 76%
Search Finnair flights
SWISS
£377 £734 No cancel fee 79%
Search SWISS flights
Iberia
£346 £799 No cancel fee 77%
Search Iberia flights
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