£355+ Cheap flights to San Francisco

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 14/3. Fares are subject to change and may not be available on all flights or dates of travel.
— SFO
20 févr. — 27 févr.1
1 adult
1 adult, Economy, 0 bags

Flights to San Francisco in 2026

Enter your travel dates to find the best prices.

Cheapest flights to San Francisco
Explore the most affordable flight options available to San Francisco. Find the lowest fares based on data from user searches, with prices last updated on 21 janvier 2026.

mer. 11/309:00
LHR
-
SFO
2 stops19h 39m
Multiple Airlines
lun. 30/308:30
SFO
-
LHR
1 stop17h 05m
Multiple Airlines
Deal found 20/1£383
ven. 6/310:05
LHR
-
SFO
Nonstop11h 15m
Multiple Airlines
ven. 13/313:50
SFO
-
LHR
Nonstop10h 35m
Multiple Airlines
Deal found 20/1£384
mer. 28/113:45
LHR
-
SFO
Nonstop11h 15m
Multiple Airlines
dim. 1/212:50
SFO
-
LHR
Nonstop10h 35m
Multiple Airlines
Deal found 20/1£385
ven. 6/217:40
LCY
-
SFO
1 stop30h 50m
SWISS
lun. 9/219:25
SFO
-
LCY
1 stop13h 40m
SWISS
Deal found 20/1£385
jeu. 29/110:05
LHR
-
SFO
Nonstop11h 15m
United Airlines
mer. 11/208:35
SFO
-
LHR
1 stop17h 05m
United Airlines
Deal found 20/1£386
mer. 11/318:40
LGW
-
SFO
1 stop29h 50m
SWISS
mer. 18/320:25
SFO
-
LGW
1 stop14h 25m
SWISS
Deal found 20/1£386
ven. 13/209:55
LCY
-
SFO
1 stop14h 00m
Lufthansa
mar. 31/319:15
SFO
-
LCY
1 stop14h 40m
Lufthansa
Deal found 18/1£386
mar. 3/211:35
LHR
-
SFO
1 stop16h 09m
United Airlines
ven. 13/212:20
SFO
-
LHR
1 stop14h 55m
United Airlines
Deal found 19/1£387
jeu. 22/118:30
LHR
-
SFO
1 stop29h 35m
TAP AIR PORTUGAL
lun. 23/216:35
SFO
-
LHR
1 stop36h 05m
TAP AIR PORTUGAL
Deal found 20/1£387
mar. 27/117:25
LHR
-
SFO
2 stops31h 05m
SWISS
mar. 24/219:25
SFO
-
LHR
1 stop14h 25m
SWISS
Deal found 20/1£388
mer. 4/311:35
LHR
-
SFO
2 stops16h 35m
United Airlines
lun. 16/323:55
SFO
-
LHR
1 stop14h 25m
United Airlines
Deal found 19/1£389
sam. 7/211:35
LHR
-
SFO
2 stops16h 32m
United Airlines
mer. 11/206:45
SFO
-
LHR
1 stop15h 10m
United Airlines
Deal found 20/1£390

Find flight deals to San Francisco

Find the latest flights to San Francisco in 2026, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 858,174 searches and data was last updated on 21 janvier 2026.

Return from

£383

One-way from

£355

Popular in

July

Cheapest in

February

Average price

£488

Good round-trip deal

£426 or less

Good one-way deal

£457 or less
Air Canada
  • Air Canada
  • 11/3-30/3
  • 3 total stops
  • 36h 44m total
  • London to San Francisco
SWISS
  • SWISS
  • 22/3
  • 2 total stops
  • 29h 00m total
  • London to San Francisco
Highest demand for flights based on searches. 12% potential increase in price (£74 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£13 potential savings vs. average return price).
Average for return flights in January 2026
Price to beat on a round-trip flight from London to San Francisco.
Price to beat on a one-way flight from London to San Francisco.

Cheapflights Fare Finder

 
Locate flights to San Francisco that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 858,174 searches and data was last updated on 21 janvier 2026.
Use the filters below to find and compare flights to San Francisco that are best for you.

Fly from

London

Route

Depart

Return

Price

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

lun. 2/2

11:35-20:07

2 stops16h 32m

San Francisco

jeu. 26/2

16:15-13:30

1 stop13h 15m

£389

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

mer. 18/2

11:35-20:10

2 stops16h 35m

San Francisco

mer. 4/3

06:45-05:55

1 stop15h 10m

£389

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

mer. 20/5

09:00-19:00

1 stop18h 00m

San Francisco

mer. 27/5

10:25-10:10

1 stop15h 45m

£394

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

mer. 18/2

10:05-13:20

Nonstop11h 15m

San Francisco

mer. 15/4

19:30-14:10

Nonstop10h 40m

£396

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

jeu. 5/3

10:05-13:20

Nonstop11h 15m

San Francisco

sam. 14/3

18:25-12:00

Nonstop10h 35m

£398

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

ven. 6/3

13:45-17:00

Nonstop11h 15m

San Francisco

sam. 14/3

18:25-12:00

Nonstop10h 35m

£398

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

ven. 15/5

06:20-15:50

1 stop17h 30m

San Francisco

ven. 29/5

13:35-12:45

1 stop15h 10m

£404

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

mar. 3/2

07:00-16:30

2 stops17h 30m

San Francisco

lun. 9/2

19:25-21:25

2 stops18h 00m

£407

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

jeu. 7/5

13:00-16:10

Nonstop11h 10m

San Francisco

dim. 24/5

13:00-07:25

Nonstop10h 25m

£408

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

mar. 7/4

06:30-12:40

1 stop14h 10m

San Francisco

mer. 15/4

12:35-10:40

1 stop14h 05m

£411

Flights are sorted by cheapest return flights first.

Deals found on 18/1

Showing 1-10 of 60 results
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Best time to book a flight to San Francisco

Have a flexible travel schedule? Discover the best time to fly to 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 to San Francisco

When is the best time to book a flight to San Francisco?

Use this chart to determine the optimal time to book a return flight from London to San Francisco. Price data was last updated on 16 January 2026.

Booking 51 days in advance of your planned departure date is, on average, the best time to get cheap flights to San Francisco. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

How long is the flight to San Francisco?

On average, a flight from London to San Francisco takes 15 hours 15 minutes. Flights to San Francisco from other popular cities in United Kingdom will vary in length. Below are a few examples of popular routes and their flight times.

Weekly flight availability to San Francisco

The most flights from London to San Francisco are scheduled on a Monday (31 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (25 on average).

What are the cheapest airlines that fly to San Francisco?

The cheapest airlines flying from London to San Francisco are Delta, Air Canada and United Airlines.

Rainfall in San Francisco by month

Plan your trip to San Francisco by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Francisco ranges from 0.0 - 112.0 inches per month. January is typically the wettest month, when rainfall can reach 112.0 mm. July is typically the driest time to visit San Francisco when rainfall is around 0.0 mm.

Temperature in San Francisco by month

Plan your trip to San Francisco by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Francisco, use this chart to help with planning. For those seeking warmer temperatures, September 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 11.0 C).

Reviews of airlines servicing San Francisco

Get insights into the airlines that provide service to San Francisco. 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 San Francisco. Reviews last updated 21 janvier 2026.
Check out reviews from past customers who have flown Austrian Airlines, Virgin Atlantic, andUnited Airlines to the United States to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Food

6.8

Boarding

7.6

Entertainment

6.8

Comfort

7.3

Crew

8.1

Overall

7.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

VIE - DXB

Awful . Flight was overbooked. The boarding cards could not be printed, you had to wait more than one hour in a line that only two kiosks were working, staff was leaving and inside the plane they had the same seats in 3 cases at least winter twice!! I’ve never experienced such a disorganization! Awful

Food

6.8

Boarding

7.6

Entertainment

6.8

Comfort

7.3

Crew

8.1

Overall

7.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

VIE - DXB

Awful . Flight was overbooked. The boarding cards could not be printed, you had to wait more than one hour in a line that only two kiosks were working, staff was leaving and inside the plane they had the same seats in 3 cases at least winter twice!! I’ve never experienced such a disorganization! Awful

Food

6.8

Boarding

7.6

Entertainment

6.8

Comfort

7.3

Crew

8.1

Overall

7.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

VIE - DXB

Awful . Flight was overbooked. The boarding cards could not be printed, you had to wait more than one hour in a line that only two kiosks were working, staff was leaving and inside the plane they had the same seats in 3 cases at least winter twice!! I’ve never experienced such a disorganization! Awful

Food

6.8

Boarding

7.6

Entertainment

6.8

Comfort

7.3

Crew

8.1

Overall

7.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

VIE - DXB

Awful . Flight was overbooked. The boarding cards could not be printed, you had to wait more than one hour in a line that only two kiosks were working, staff was leaving and inside the plane they had the same seats in 3 cases at least winter twice!! I’ve never experienced such a disorganization! Awful

Food

6.8

Boarding

7.6

Entertainment

6.8

Comfort

7.3

Crew

8.1

Overall

7.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

VIE - DXB

Awful . Flight was overbooked. The boarding cards could not be printed, you had to wait more than one hour in a line that only two kiosks were working, staff was leaving and inside the plane they had the same seats in 3 cases at least winter twice!! I’ve never experienced such a disorganization! Awful

Food

6.8

Boarding

7.6

Entertainment

6.8

Comfort

7.3

Crew

8.1

Overall

7.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

VIE - DXB

Awful . Flight was overbooked. The boarding cards could not be printed, you had to wait more than one hour in a line that only two kiosks were working, staff was leaving and inside the plane they had the same seats in 3 cases at least winter twice!! I’ve never experienced such a disorganization! Awful

FAQs about flying to San Francisco

San Francisco airport overview

San Francisco International Airport is located 21km (13 miles) south of downtown San Francisco and is the largest airport in the Bay Area and the second-busiest airport in California.

Comprising four terminals – Terminals 1, 2, 3 and the International Terminal – that form a ring around a multi-storey Domestic Parking garage, San Francisco International is easy to navigate. Terminals 1-3 handle all domestic flights, while the International Terminal mainly manages international flights. Customs, immigrations and baggage claims are generally fast; staff are friendly, signage is good and transport to and from the airport is excellent. Delays are common, though, due to the region’s adverse weather patterns; however, there are plans to extend the runways in order to aid aircraft flying in low visibility conditions.

San Francisco International is clean and modern. With its newly revamped Terminal 2 housing an award-winning aviation museum and library, along with an extensive array of retail, dining, entertainment and health establishments, it is truly a world-class facility.

Flights to San Francisco International Airport comes from a number of destinations worldwide, including Toronto, Paris, Tokyo, London, Hong Kong, Seoul, Lima, Frankfurt, Singapore, San Salvador, Beijing, Mexico City, Sydney and Cancun, in addition to numerous domestic routes.

  • What airport do you fly into for flights to San Francisco?

    For a flight to San Francisco, you will be flying into San Francisco. San Francisco (SFO) is just 11.8 mi from the center of the city. Booking flights from London to San Francisco should be relatively easy as there are 28 daily flights from 18 different airlines.

  • Can I find cheaper flights to San Francisco if I am willing to have stopovers?

    Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to San Francisco on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to San Francisco?

    Based on reviews from Cheapflights users, Delta is rated the highest out of the airlines that fly to San Francisco.

  • What is the cheapest airport to fly to in San Francisco?

    San Francisco is currently the cheapest airport to fly to in San Francisco. One-way flights to San Francisco typically cost £25, while return flights cost around £34.

  • How much is a return flight to San Francisco?

    A return flight to San Francisco will typically cost around £58, however they can be found for as little as £34.

  • Where does the fastest flight to San Francisco depart from?

    For those looking to save time traveling to San Francisco, London offers the quickest one-way flight (10 hours 55 minutes).

  • Which airport is closest to Powell and Market Cable Car Turnaround?

    f being close to Powell and Market Cable Car Turnaround is important to you, you’ll want to land at San Francisco Airport.

  • Does San Francisco have car hire?

    Yes. Those touching down at San Francisco can take advantage of the car hire services offered upon their arrival.

  • Are there hotels close to San Francisco?

    Yes. San Francisco has hotels nearby for those requiring accommodations. Grand Hyatt At Sfo is the closest property to San Francisco (1.0 mi away from San Francisco).

See more FAQs

Travelling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Santa Cruz
Newark
San Bruno
Bodega Bay
South San Francisco
Sunnyvale
Pacific Grove

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