£386+ 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 16/9. Fares are subject to change and may not be available on all flights or dates of travel.
— SFO
7 Sep — 14 Sep1
1 adult

Flights to San Francisco in 2025

Find the latest flights to San Francisco in 2025, 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 2 September 2025.

Return from

£414

One-way from

£386

Popular in

July

Cheapest in

February

Average price

£436

Good round-trip deal

£472 or less

Good one-way deal

£506 or less
Air Canada
  • Air Canada
  • 13/9-27/9
  • 4 total stops
  • 36h 18m total
  • London to San Francisco
Air New Zealand
  • Air New Zealand
  • 16/9
  • Nonstop
  • 11h 05m total
  • London to San Francisco
Highest demand for flights based on searches. 15% potential increase in price (£66 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£10 potential savings vs. average return price).
Average for return flights in September 2025
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.

Find flight deals to San Francisco

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 2 September 2025.

Sat 13/909:30LHR - SFO
2 stops19h 23mAir Canada
Sat 27/908:40SFO - LHR
2 stops16h 55mAir Canada
Deal found 1/9£414
Mon 8/918:35LGW - SFO
1 stop29h 35mSWISS
Sun 21/919:30SFO - LGW
1 stop14h 20mSWISS
Deal found 1/9£414
Wed 17/908:45LCY - SFO
1 stop15h 15mLufthansa
Tue 23/919:25SFO - LCY
1 stop15h 10mLufthansa
Deal found 31/8£414
Mon 22/912:50LTN - SFO
2 stops35h 40mMultiple Airlines
Mon 29/919:40SFO - LTN
2 stops17h 45mMultiple Airlines
Deal found 31/8£415
Mon 8/920:55LHR - SFO
1 stop22h 50mKLM
Mon 6/1013:45SFO - LHR
1 stop13h 00mKLM
Deal found 1/9£415
Wed 1/1015:05LGW - SFO
1 stop16h 54mBritish Airways
Wed 8/1010:12SFO - LGW
1 stop13h 58mBritish Airways
Deal found 31/8£415
Sun 7/914:30LHR - SFO
1 stop15h 39mDelta
Sat 13/1209:51SFO - LHR
1 stop16h 09mDelta
Deal found 31/8£415
Thu 16/1015:05LGW - SFO
1 stop16h 39mMultiple Airlines
Thu 23/1009:00SFO - LGW
1 stop15h 10mMultiple Airlines
Deal found 1/9£415
Wed 24/908:45LCY - SFO
1 stop15h 15mLufthansa
Thu 2/1019:30SFO - LCY
1 stop15h 25mLufthansa
Deal found 31/8£415
Thu 13/1114:30LHR - SFO
1 stop14h 04mAir Canada
Sat 22/1111:20SFO - LHR
2 stops14h 50mAir Canada
Deal found 1/9£416
Fri 26/908:40LCY - SFO
2 stops22h 49mVirgin Atlantic
Fri 3/1013:45SFO - LCY
1 stop13h 55mVirgin Atlantic
Deal found 31/8£416
Mon 6/1010:45LHR - SFO
Nonstop11h 05mBritish Airways
Sat 25/1016:30SFO - LHR
Nonstop10h 25mBritish Airways
Deal found 1/9£417

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 2 September 2025.
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

LCY - SFO

LCYSFO

London City

Wed 17/9

08:45-16:00

1 stop15h 15m

San Francisco

Tue 23/9

19:25-18:35

1 stop15h 10m

£414

LondonSan Francisco

LCY - SFO

LCYSFO

London City

Wed 4/2

09:25-16:30

1 stop15h 05m

San Francisco

Sun 8/2

19:25-17:10

1 stop13h 45m

£414

LondonSan Francisco

LCY - SFO

LCYSFO

London City

Tue 18/11

09:50-15:55

1 stop14h 05m

San Francisco

Tue 2/12

18:50-17:35

1 stop14h 45m

£414

LondonSan Francisco

LTN - SFO

LTNSFO

London Luton

Mon 22/9

12:50-16:30

2 stops35h 40m

San Francisco

Mon 29/9

19:40-21:25

2 stops17h 45m

£415

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sat 15/11

13:00-14:21

1 stop33h 21m

San Francisco

Sat 20/12

06:15-13:05

1 stop22h 50m

£415

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Fri 13/2

11:40-14:40

Nonstop11h 00m

San Francisco

Thu 26/2

00:40-07:05

1 stop22h 25m

£415

LondonSan Francisco

LCY - SFO

LCYSFO

London City

Wed 24/9

08:45-16:00

1 stop15h 15m

San Francisco

Thu 2/10

19:30-18:55

1 stop15h 25m

£415

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Tue 7/10

08:45-16:10

1 stop15h 25m

San Francisco

Thu 30/10

16:15-13:30

1 stop14h 15m

£416

LondonSan Francisco

LCY - SFO

LCYSFO

London City

Fri 26/9

08:40-23:29

2 stops22h 49m

San Francisco

Fri 3/10

13:45-11:40

1 stop13h 55m

£416

LondonSan Francisco

LCY - SFO

LCYSFO

London City

Wed 24/9

08:40-19:48

2 stops19h 08m

San Francisco

Wed 8/10

13:45-16:40

1 stop18h 55m

£416

Flights are sorted by cheapest return flights first.

Deals found on 31/8

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 29 August 2025.

Booking 86 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 18 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.

When is the cheapest time to fly to San Francisco?

Use this chart to determine the cheapest time to fly return from London to San Francisco. Price data was last updated on 16 December 2024.

Users looking for the lowest fares to San Francisco should consider flying on Friday evenings, when prices are typically cheapest. Budget-minded travellers will want to avoid Sunday evenings, when prices are usually at their highest.

Weekly flight availability to San Francisco

The most flights from London to San Francisco are scheduled on a Monday (42 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (42 on average).

What are the cheapest airlines that fly to San Francisco?

The cheapest airlines flying from London to San Francisco are Delta, Scandinavian Airlines and TAP AIR PORTUGAL.

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 2 September 2025.
Check out reviews from past customers who have flown KLM, United Airlines, andVirgin Atlantic 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

7.3

Overall

7.8

Entertainment

7.1

Boarding

7.8

Comfort

7.7

Crew

8.4

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Food

7.3

Overall

7.8

Entertainment

7.1

Boarding

7.8

Comfort

7.7

Crew

8.4

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Food

7.3

Overall

7.8

Entertainment

7.1

Boarding

7.8

Comfort

7.7

Crew

8.4

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Food

7.3

Overall

7.8

Entertainment

7.1

Boarding

7.8

Comfort

7.7

Crew

8.4

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Food

7.3

Overall

7.8

Entertainment

7.1

Boarding

7.8

Comfort

7.7

Crew

8.4

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Food

7.3

Overall

7.8

Entertainment

7.1

Boarding

7.8

Comfort

7.7

Crew

8.4

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was 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 11.8 mi from the center of the city. Booking flights from London to San Francisco should be relatively easy as there are 42 daily flights from 17 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 £16, while return flights cost around £44.

  • How much is a return flight to San Francisco?

    A return flight to San Francisco will typically cost around £201, however they can be found for as little as £60.

  • 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
South San Francisco
Bodega Bay
Pacific Grove
Union City

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