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£364+ 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 21/1. Fares are subject to change and may not be available on all flights or dates of travel.
— SFO
11 Feb — 18 Feb1
1 adult
1 adult, Economy, 0 bags

Flights to San Francisco in 2026

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 12 January 2026.

Return from

£404

One-way from

£364

Popular in

July

Cheapest in

February

Average price

£493

Good round-trip deal

£484 or less

Good one-way deal

£466 or less
American Airlines
  • American Airlines
  • 8/3-15/3
  • 2 total stops
  • 39h 21m total
  • London to San Francisco
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21/1
  • 21/1
  • 2 total stops
  • 26h 40m total
  • London to San Francisco
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Highest demand for flights based on searches. 13% potential increase in price (£75 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£13 potential savings vs. average return price).
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Average for return flights in January 2026
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Price to beat on a round-trip flight from London to San Francisco.
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Price to beat on a one-way flight from London to San Francisco.
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Find flight deals to San Francisco

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 12 January 2026.

Sun 8/310:05LHR - SFO
1 stop20h 52mAmerican Airlines
Sun 15/306:21SFO - LHR
1 stop18h 29mAmerican Airlines
Deal found 10/1£404
Wed 21/109:50LCY - SFO
1 stop14h 05mMultiple Airlines
Mon 26/119:25SFO - LCY
1 stop13h 40mMultiple Airlines
Deal found 11/1£404
Sat 24/111:50LHR - SFO
1 stop14h 40mBritish Airways
Tue 28/416:35SFO - LHR
Nonstop10h 25mBritish Airways
Deal found 11/1£405
Tue 3/219:40LGW - SFO
2 stops37h 07mBritish Airways
Tue 17/206:15SFO - LGW
2 stops28h 45mBritish Airways
Deal found 11/1£405
Sun 18/114:30LHR - SFO
1 stop28h 04mAir Canada
Thu 12/213:20SFO - LHR
1 stop14h 30mAir Canada
Deal found 11/1£406
Sun 18/114:30LHR - SFO
1 stop28h 04mAir Canada
Thu 26/207:30SFO - LHR
2 stops18h 40mAir Canada
Deal found 10/1£407
Sun 25/117:40LCY - SFO
1 stop30h 50mSWISS
Sun 1/219:25SFO - LCY
1 stop13h 45mSWISS
Deal found 11/1£407
Tue 28/410:35LHR - SFO
Nonstop11h 05mLufthansa
Sat 9/516:35SFO - LHR
Nonstop10h 35mLufthansa
Deal found 11/1£407
Sun 5/712:20LGW - SFO
2 stops44h 25mIberia
Sun 2/806:00SFO - LGW
2 stops30h 00mIberia
Deal found 10/1£407
Wed 22/409:15LCY - SFO
1 stop15h 00mSWISS
Sat 2/514:00SFO - LCY
1 stop15h 45mSWISS
Deal found 11/1£407
Mon 19/113:25LHR - SFO
2 stops29h 29mAir Canada
Sat 14/218:00SFO - LHR
1 stop33h 50mAir Canada
Deal found 11/1£408
Wed 25/309:20LCY - SFO
1 stop15h 10mSWISS
Sun 29/319:35SFO - LCY
1 stop13h 55mSWISS
Deal found 10/1£408

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 12 January 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

Sun 12/4

17:40-10:45

1 stop25h 05m

San Francisco

Sun 19/4

21:15-20:40

1 stop15h 25m

£404

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Mon 13/4

16:15-19:20

Nonstop11h 05m

San Francisco

Sat 18/4

19:30-14:10

Nonstop10h 40m

£409

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Fri 1/5

10:35-13:40

Nonstop11h 05m

San Francisco

Sat 23/5

13:00-07:25

Nonstop10h 25m

£409

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Tue 14/4

13:00-16:10

Nonstop11h 10m

San Francisco

Sat 18/4

12:55-07:25

Nonstop10h 30m

£410

LondonSan Francisco

SEN - SFO

SENSFO

London Southend

Tue 21/4

06:20-17:55

1 stop19h 35m

San Francisco

Sun 26/4

19:40-19:50

1 stop16h 10m

£410

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Wed 1/4

07:40-15:50

1 stop16h 10m

San Francisco

Tue 21/4

19:30-13:55

Nonstop10h 25m

£415

LondonSan Francisco

LTN - SFO

LTNSFO

London Luton

Tue 21/4

05:40-17:55

1 stop20h 15m

San Francisco

Tue 28/4

19:40-18:05

1 stop38h 25m

£416

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sat 7/3

06:40-14:35

1 stop15h 55m

San Francisco

Mon 16/3

17:40-18:50

2 stops18h 10m

£418

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Tue 27/1

11:45-15:00

Nonstop11h 15m

San Francisco

Sat 14/2

17:30-12:00

Nonstop10h 30m

£419

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sat 23/5

16:15-19:15

Nonstop11h 00m

San Francisco

Wed 27/5

19:45-14:10

Nonstop10h 25m

£420

Flights are sorted by cheapest return flights first.

Deals found on 11/1

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 9 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 14 hours 14 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 Monday, which is when the least amount of flights are scheduled (31 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 £376
Virgin Atlantic
Virgin Atlantic
From £370
Lufthansa
Lufthansa
From £381
United Airlines
United Airlines
From £341

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 12 January 2026.
Check out reviews from past customers who have flown KLM, 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.
KLM
7.7
Good
1,436 reviews
Check prices

Overall

7.7

Crew

8.4

Entertainment

7.1

Food

7.2

Boarding

7.7

Comfort

7.6

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
KLM
7.7
Good
1,436 reviews
KLM
7.7
Good
1,436 reviews
Check prices

Overall

7.7

Crew

8.4

Entertainment

7.1

Food

7.2

Boarding

7.7

Comfort

7.6

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
Virgin Atlantic
7.5
Good
678 reviews
KLM
7.7
Good
1,436 reviews
Check prices

Overall

7.7

Crew

8.4

Entertainment

7.1

Food

7.2

Boarding

7.7

Comfort

7.6

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
United Airlines
7.4
Good
9,143 reviews
KLM
7.7
Good
1,436 reviews
Check prices

Overall

7.7

Crew

8.4

Entertainment

7.1

Food

7.2

Boarding

7.7

Comfort

7.6

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
Lufthansa
6.8
Okay
7,709 reviews
KLM
7.7
Good
1,436 reviews
Check prices

Overall

7.7

Crew

8.4

Entertainment

7.1

Food

7.2

Boarding

7.7

Comfort

7.6

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
British Airways
6.7
Okay
7,664 reviews
KLM
7.7
Good
1,436 reviews
Check prices

Overall

7.7

Crew

8.4

Entertainment

7.1

Food

7.2

Boarding

7.7

Comfort

7.6

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.

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 31 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 £40, while return flights cost around £117.

  • How much is a return flight to San Francisco?

    A return flight to San Francisco will typically cost around £169, however they can be found for as little as £117.

  • 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
Pacific Grove

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