£337+ 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 30/11. Fares are subject to change and may not be available on all flights or dates of travel.
— SFO
16 Oct — 23 Oct1
1 adult
1 adult, Economy

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 16 September 2025.

Return from

£386

One-way from

£337

Popular in

July

Cheapest in

February

Average price

£423

Good round-trip deal

£438 or less

Good one-way deal

£480 or less
Air Canada
  • Air Canada
  • 18/11-2/12
  • 4 total stops
  • 38h 31m total
  • London to San Francisco
Virgin Atlantic
  • Virgin Atlantic
  • 30/11
  • 1 total stop
  • 35h 10m total
  • London to San Francisco
Highest demand for flights based on searches. 15% potential increase in price (£63 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£11 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 16 September 2025.

Sun 21/906:00LHR - SFO
1 stop18h 35mMultiple Airlines
Sat 13/1208:25SFO - LHR
1 stop14h 15mMultiple Airlines
Deal found 16/9£386
Tue 18/1109:00LHR - SFO
2 stops19h 50mAir Canada
Tue 2/1208:39SFO - LHR
2 stops18h 41mAir Canada
Deal found 15/9£386
Fri 26/916:25LHR - SFO
Nonstop11h 05mVirgin Atlantic
Thu 26/216:30SFO - LHR
Nonstop10h 10mVirgin Atlantic
Deal found 15/9£388
Tue 18/1118:40LGW - SFO
1 stop29h 50mSWISS
Tue 2/1219:25SFO - LGW
1 stop14h 25mSWISS
Deal found 15/9£389
Fri 26/908:40LHR - SFO
1 stop15h 55mSWISS
Mon 29/919:40SFO - LHR
1 stop18h 05mSWISS
Deal found 15/9£389
Mon 22/908:30LHR - SFO
1 stop15h 30mUnited Airlines
Sun 5/1011:40SFO - LHR
1 stop13h 55mUnited Airlines
Deal found 15/9£390
Fri 7/1118:40LGW - SFO
1 stop29h 50mSWISS
Tue 11/1119:25SFO - LGW
1 stop14h 25mSWISS
Deal found 15/9£390
Mon 22/909:30LHR - SFO
2 stops19h 23mAir Canada
Sun 5/1008:30SFO - LHR
1 stop14h 00mAir Canada
Deal found 15/9£391
Wed 24/911:15LHR - SFO
Nonstop11h 00mVirgin Atlantic
Mon 29/916:05SFO - LHR
Nonstop10h 20mVirgin Atlantic
Deal found 15/9£391
Wed 5/1118:40LGW - SFO
1 stop29h 50mSWISS
Mon 10/1119:25SFO - LGW
1 stop14h 25mSWISS
Deal found 15/9£391
Sat 20/906:00LHR - SFO
1 stop18h 35mMultiple Airlines
Sat 27/908:25SFO - LHR
1 stop13h 55mMultiple Airlines
Deal found 13/9£392
Fri 26/910:35LHR - SFO
Nonstop11h 05mUnited Airlines
Sun 12/1011:40SFO - LHR
1 stop13h 55mUnited Airlines
Deal found 14/9£393

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 16 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

LGW - SFO

LGWSFO

London Gatwick

Fri 7/11

18:40-16:30

1 stop29h 50m

San Francisco

Tue 11/11

19:25-17:50

1 stop14h 25m

£390

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Fri 14/11

10:05-13:20

Nonstop11h 15m

San Francisco

Fri 5/12

17:25-12:00

Nonstop10h 35m

£393

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Tue 7/10

10:35-13:40

Nonstop11h 05m

San Francisco

Mon 13/10

13:05-07:25

Nonstop10h 20m

£393

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Wed 12/11

10:05-13:20

Nonstop11h 15m

San Francisco

Mon 1/12

12:50-07:25

Nonstop10h 35m

£393

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Wed 5/11

10:05-13:20

Nonstop11h 15m

San Francisco

Sat 15/11

12:50-07:25

Nonstop10h 35m

£393

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sat 4/10

10:35-13:40

Nonstop11h 05m

San Francisco

Mon 13/10

13:05-07:25

Nonstop10h 20m

£393

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sat 15/11

10:05-13:20

Nonstop11h 15m

San Francisco

Tue 2/12

12:50-07:25

Nonstop10h 35m

£393

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Fri 7/11

10:05-13:20

Nonstop11h 15m

San Francisco

Tue 18/11

12:50-07:25

Nonstop10h 35m

£393

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sun 21/9

10:35-13:40

Nonstop11h 05m

San Francisco

Sun 28/9

19:50-14:10

Nonstop10h 20m

£394

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Mon 22/9

16:15-19:15

Nonstop11h 00m

San Francisco

Sun 5/10

19:50-14:10

Nonstop10h 20m

£394

Flights are sorted by cheapest return flights first.

Deals found on 15/9

Showing 1-10 of 60 results
1
2
3
...
6

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 12 September 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 16 hours 22 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, TAP AIR PORTUGAL and SWISS.

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 16 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.

Overall

7.8

Food

7.3

Comfort

7.7

Boarding

7.8

Entertainment

7.2

Crew

8.4

Reviews

1 / 20
4.0
Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

Overall

7.8

Food

7.3

Comfort

7.7

Boarding

7.8

Entertainment

7.2

Crew

8.4

Reviews

1 / 20
4.0
Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

Overall

7.8

Food

7.3

Comfort

7.7

Boarding

7.8

Entertainment

7.2

Crew

8.4

Reviews

1 / 20
4.0
Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

Overall

7.8

Food

7.3

Comfort

7.7

Boarding

7.8

Entertainment

7.2

Crew

8.4

Reviews

1 / 20
4.0
Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

Overall

7.8

Food

7.3

Comfort

7.7

Boarding

7.8

Entertainment

7.2

Crew

8.4

Reviews

1 / 20
4.0
Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

Overall

7.8

Food

7.3

Comfort

7.7

Boarding

7.8

Entertainment

7.2

Crew

8.4

Reviews

1 / 20
4.0
Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

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 £28.

  • How much is a return flight to San Francisco?

    A return flight to San Francisco will typically cost around £212, however they can be found for as little as £38.

  • 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 (11 hours 0 minutes).

  • Which airport is closest to Mission San Francisco de Asís?

    f being close to Mission San Francisco de Asís 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
South San Francisco
Bodega Bay
Pacific Grove

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights to San Francisco?

When you search for this flight to San Francisco, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the best flight for you.

Why should you use Cheapflights to find cheap flight tickets to San Francisco?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights to San Francisco for you. Better yet — we are completely free to use.

Can Cheapflights find flights to San Francisco with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights to San Francisco flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights to San Francisco become cheaper?

Not ready to book yet? You can track prices for flights to San Francisco on Cheapflights with our Price Alerts feature and get notified when better prices are available.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.