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£374+ 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 31/5. Fares are subject to change and may not be available on all flights or dates of travel.
— SFO
4 May — 11 May1
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 4 April 2026.

Fri 25/906:40
LHR
-
SFO
1 stop16h 00m
Scandinavian Airlines
Sun 27/916:45
SFO
-
LHR
1 stop17h 45m
Scandinavian Airlines
Deal found 1/4£406
Sun 19/410:55
LHR
-
SFO
1 stop15h 21m
Delta
Wed 22/409:50
SFO
-
LHR
1 stop16h 10m
Delta
Deal found 4/4£425
Sat 18/413:25
LHR
-
SFO
1 stop17h 22m
Delta
Thu 23/405:50
SFO
-
LHR
1 stop17h 20m
Delta
Deal found 4/4£436
Thu 25/610:45
LHR
-
SFO
Nonstop11h 05m
British Airways
Sun 12/716:35
SFO
-
LHR
Nonstop10h 25m
British Airways
Deal found 31/3£440
Sat 18/409:20
LHR
-
SFO
1 stop19h 04m
Delta
Tue 21/409:20
SFO
-
LHR
1 stop15h 30m
Delta
Deal found 4/4£449
Sat 26/910:45
LHR
-
SFO
Nonstop11h 05m
British Airways
Mon 28/919:30
SFO
-
LHR
Nonstop10h 25m
British Airways
Deal found 1/4£451
Fri 17/412:25
LHR
-
SFO
1 stop16h 26m
Delta
Sat 25/409:20
SFO
-
LHR
1 stop15h 30m
Delta
Deal found 4/4£453
Wed 15/418:20
STN
-
SFO
1 stop31h 35m
Multiple Airlines
Sun 19/419:40
SFO
-
STN
1 stop30h 55m
Multiple Airlines
Deal found 30/3£455
Fri 17/410:45
LHR
-
SFO
1 stop16h 18m
Delta
Wed 22/416:07
SFO
-
LHR
1 stop12h 58m
Delta
Deal found 4/4£461
Wed 6/517:25
LGW
-
SFO
2 stops29h 05m
Multiple Airlines
Mon 11/516:30
SFO
-
LGW
2 stops22h 20m
Multiple Airlines
Deal found 3/4£461
Sat 18/417:45
LHR
-
SFO
1 stop13h 50m
Delta
Fri 24/407:25
SFO
-
LHR
1 stop17h 25m
Delta
Deal found 4/4£467
Mon 13/412:25
LHR
-
SFO
1 stop16h 26m
Delta
Thu 23/405:50
SFO
-
LHR
1 stop17h 20m
Delta
Deal found 4/4£468

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 4 April 2026.

Return from

£406

One-way from

£374

Popular in

December

Cheapest in

February

Average price

£495

Good round-trip deal

£500 or less

Good one-way deal

£555 or less
Scandinavian Airlines
  • Scandinavian Airlines
  • 25/9-27/9
  • 2 total stops
  • 33h 45m total
  • London to San Francisco
Search Deals
31/5
  • 31/5
  • 3 total stops
  • 47h 23m total
  • London to San Francisco
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (£26 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£13 potential savings vs. average return price).
Search Deals
Average for return flights in April 2026
Search Deals
Price to beat on a round-trip flight from London to San Francisco.
Search Deals
Price to beat on a one-way flight from London to San Francisco.
Search Deals

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 4 April 2026.
Use the filters below to find and compare flights to San Francisco that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest return flight

LondonSan Francisco

LTN - SFO

LTNSFO

London Luton

Mon 1/6

08:15-15:50

1 stop15h 35m

San Francisco

Tue 9/6

17:40-15:30

1 stop13h 50m

£537

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Wed 2/9

16:25-14:30

1 stop30h 05m

San Francisco

Sat 19/9

19:35-09:45

1 stop30h 10m

£548

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sun 3/5

12:45-15:45

Nonstop11h 00m

San Francisco

Tue 19/5

17:55-12:15

Nonstop10h 20m

£552

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Wed 15/7

06:45-20:05

2 stops21h 20m

San Francisco

Sun 9/8

21:45-21:40

1 stop15h 55m

£554

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Mon 1/6

10:45-13:50

Nonstop11h 05m

San Francisco

Tue 9/6

12:36-10:55

1 stop14h 19m

£558

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Tue 23/6

18:30-21:25

Nonstop10h 55m

San Francisco

Sat 25/7

15:27-13:05

1 stop13h 38m

£561

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sun 19/4

12:45-15:45

Nonstop11h 00m

San Francisco

Mon 18/5

17:55-12:15

Nonstop10h 20m

£564
Fastest return journey

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Mon 27/4

18:30-21:25

Nonstop10h 55m

San Francisco

Fri 1/5

23:15-17:30

Nonstop10h 15m

£573

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Wed 8/7

11:20-20:05

1 stop16h 45m

San Francisco

Fri 31/7

23:15-17:30

Nonstop10h 15m

£574

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Wed 30/9

19:50-14:40

2 stops26h 50m

San Francisco

Tue 13/10

16:45-16:25

2 stops15h 40m

£576

Flights are sorted by cheapest return flights first.

Deals found on 1/4

Showing 1-10 of 60 resultsSorted by cheapest first
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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 3 April 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 14 hours 55 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 (37 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (37 on average).

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

The most popular airlines flying from London to San Francisco are Virgin Atlantic, British Airways and Lufthansa.

British Airways
British Airways
From £385
Virgin Atlantic
Virgin Atlantic
From £374
Lufthansa
Lufthansa
From £379
United Airlines
United Airlines
From £344

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 4 April 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.
Austrian Airlines
7.6
Good
904 reviews
Check prices

Crew

8.1

Food

6.8

Overall

7.6

Entertainment

6.8

Boarding

7.6

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

KENNETH,Mar 2026

VIE - EWR

Everything was great, took off on time, arrived on time, boarding was smooth, food and movies were great.
Austrian Airlines
7.6
Good
904 reviews
Austrian Airlines
7.6
Good
904 reviews
Check prices

Crew

8.1

Food

6.8

Overall

7.6

Entertainment

6.8

Boarding

7.6

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

KENNETH,Mar 2026

VIE - EWR

Everything was great, took off on time, arrived on time, boarding was smooth, food and movies were great.
Virgin Atlantic
7.5
Good
685 reviews
Austrian Airlines
7.6
Good
904 reviews
Check prices

Crew

8.1

Food

6.8

Overall

7.6

Entertainment

6.8

Boarding

7.6

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

KENNETH,Mar 2026

VIE - EWR

Everything was great, took off on time, arrived on time, boarding was smooth, food and movies were great.
United Airlines
7.4
Good
9,542 reviews
Austrian Airlines
7.6
Good
904 reviews
Check prices

Crew

8.1

Food

6.8

Overall

7.6

Entertainment

6.8

Boarding

7.6

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

KENNETH,Mar 2026

VIE - EWR

Everything was great, took off on time, arrived on time, boarding was smooth, food and movies were great.
Lufthansa
6.8
Okay
7,890 reviews
Austrian Airlines
7.6
Good
904 reviews
Check prices

Crew

8.1

Food

6.8

Overall

7.6

Entertainment

6.8

Boarding

7.6

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

KENNETH,Mar 2026

VIE - EWR

Everything was great, took off on time, arrived on time, boarding was smooth, food and movies were great.
British Airways
6.7
Okay
7,850 reviews
Austrian Airlines
7.6
Good
904 reviews
Check prices

Crew

8.1

Food

6.8

Overall

7.6

Entertainment

6.8

Boarding

7.6

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

KENNETH,Mar 2026

VIE - EWR

Everything was great, took off on time, arrived on time, boarding was smooth, food and movies were great.

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 11.0 mi from the center of the city. Booking flights from London to San Francisco should be relatively easy as there are 37 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, Iberia 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 £37, while return flights cost around £59.

  • How much is a return flight to San Francisco?

    A return flight to San Francisco will typically cost around £111, however they can be found for as little as £59.

  • 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).

  • 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

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