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£416+ 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 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
— SFO
7 Aug — 14 Aug1
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 8 July 2026.

Wed 22/708:00
LHR
-
SFO
1 stop18h 49m
United Airlines
Wed 21/1008:55
SFO
-
LHR
1 stop17h 15m
United Airlines
Deal found 7/7£453
Fri 21/808:30
LHR
-
SFO
1 stop14h 45m
Lufthansa
Sun 6/908:10
SFO
-
LHR
1 stop14h 45m
Lufthansa
Deal found 3/7£455
Wed 23/921:30
STN
-
SFO
2 stops28h 30m
Multiple Airlines
Tue 29/915:05
SFO
-
STN
2 stops21h 55m
Multiple Airlines
Deal found 4/7£456
Thu 27/809:30
LHR
-
SFO
1 stop18h 15m
Lufthansa
Sat 5/916:50
SFO
-
LHR
Nonstop10h 20m
Lufthansa
Deal found 2/7£458
Thu 27/806:55
LHR
-
SFO
1 stop20h 05m
Lufthansa
Tue 8/916:45
SFO
-
LHR
Nonstop10h 25m
Lufthansa
Deal found 3/7£460
Thu 27/806:55
LHR
-
SFO
1 stop15h 25m
Lufthansa
Sun 6/919:50
SFO
-
LHR
Nonstop10h 20m
Lufthansa
Deal found 4/7£460
Wed 23/908:30
LHR
-
SFO
1 stop19h 20m
Lufthansa
Thu 8/1016:45
SFO
-
LHR
Nonstop10h 25m
Lufthansa
Deal found 3/7£461
Thu 27/820:35
LGW
-
SFO
2 stops25h 55m
Multiple Airlines
Wed 9/916:30
SFO
-
LGW
2 stops18h 40m
Multiple Airlines
Deal found 3/7£462
Thu 27/806:55
LHR
-
SFO
1 stop15h 25m
Lufthansa
Mon 7/921:05
SFO
-
LHR
1 stop17h 35m
Lufthansa
Deal found 3/7£463
Fri 11/909:00
LHR
-
SFO
1 stop18h 00m
Lufthansa
Sun 20/919:25
SFO
-
LHR
1 stop14h 15m
Lufthansa
Deal found 3/7£464
Sun 23/820:05
STN
-
SFO
2 stops26h 25m
Multiple Airlines
Sun 6/916:30
SFO
-
STN
2 stops24h 15m
Multiple Airlines
Deal found 3/7£464
Sun 23/808:30
LHR
-
SFO
1 stop14h 45m
Lufthansa
Sun 6/919:20
SFO
-
LHR
1 stop17h 20m
Lufthansa
Deal found 3/7£465

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 8 July 2026.

Return from

£453

One-way from

£416

Popular in

December

Cheapest in

February

Average price

£615

Good round-trip deal

£502 or less

Good one-way deal

£596 or less
United Airlines
  • United Airlines
  • 22/7-21/10
  • 2 total stops
  • 36h 04m total
  • London to San Francisco
Search Deals
Lufthansa
  • Lufthansa
  • 11/12
  • 2 total stops
  • 17h 45m total
  • London to San Francisco
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (£7 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£10 potential savings vs. average return price).
Search Deals
Average for return flights in July 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 8 July 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

Sun 30/8

13:05-14:40

2 stops33h 35m

San Francisco

Sun 6/9

16:45-21:40

3 stops20h 55m

£505

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Fri 18/9

07:30-15:20

1 stop15h 50m

San Francisco

Wed 14/10

12:15-13:20

1 stop17h 05m

£511

LondonSan Francisco

LTN - SFO

LTNSFO

London Luton

Thu 27/8

18:05-14:30

2 stops28h 25m

San Francisco

Wed 9/9

16:30-22:10

2 stops21h 40m

£511

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Fri 4/9

08:55-18:00

1 stop17h 05m

San Francisco

Mon 7/9

09:30-10:15

1 stop16h 45m

£531

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Wed 26/8

20:05-16:15

1 stop28h 10m

San Francisco

Sun 13/9

19:35-21:30

2 stops17h 55m

£531
Fastest return journey

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Thu 27/8

10:35-13:35

Nonstop11h 00m

San Francisco

Wed 9/9

19:45-14:10

Nonstop10h 25m

£534

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Thu 27/8

16:15-19:10

Nonstop10h 55m

San Francisco

Thu 3/9

13:15-10:40

1 stop13h 25m

£537

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Mon 2/11

19:50-14:50

2 stops27h 00m

San Francisco

Mon 16/11

16:45-18:50

2 stops18h 05m

£542

LondonSan Francisco

LTN - SFO

LTNSFO

London Luton

Thu 27/8

19:55-14:30

2 stops26h 35m

San Francisco

Sun 6/9

16:30-19:15

2 stops18h 45m

£549

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Mon 7/9

19:50-14:40

2 stops26h 50m

San Francisco

Mon 21/9

16:45-17:40

1 stop16h 55m

£552

Flights are sorted by cheapest return flights first.

Deals found on 5/7

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
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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

How long is the flight to San Francisco?

On average, a flight from London to San Francisco takes 15 hours 52 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 (42 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (36 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.

Virgin Atlantic
Virgin Atlantic
From £184
British Airways
British Airways
From £388
Lufthansa
Lufthansa
From £381
United Airlines
United Airlines
From £387

What are the cheapest airlines that fly to San Francisco?

The cheapest airlines flying from London to San Francisco are Delta, SWISS and Aer Lingus.

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).

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

Booking 22 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.

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 8 July 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
939 reviews
Check prices

Food

6.8

Boarding

7.6

Comfort

7.3

Crew

8.1

Entertainment

6.8

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2026

VIE - IAD

The vegetarian choice wasn’t good. The snack was bad. Otherwise, everything was great.
Austrian Airlines
7.6
Good
939 reviews
Austrian Airlines
7.6
Good
939 reviews
Check prices

Food

6.8

Boarding

7.6

Comfort

7.3

Crew

8.1

Entertainment

6.8

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2026

VIE - IAD

The vegetarian choice wasn’t good. The snack was bad. Otherwise, everything was great.
Virgin Atlantic
7.5
Good
691 reviews
Austrian Airlines
7.6
Good
939 reviews
Check prices

Food

6.8

Boarding

7.6

Comfort

7.3

Crew

8.1

Entertainment

6.8

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2026

VIE - IAD

The vegetarian choice wasn’t good. The snack was bad. Otherwise, everything was great.
United Airlines
7.4
Good
9,945 reviews
Austrian Airlines
7.6
Good
939 reviews
Check prices

Food

6.8

Boarding

7.6

Comfort

7.3

Crew

8.1

Entertainment

6.8

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2026

VIE - IAD

The vegetarian choice wasn’t good. The snack was bad. Otherwise, everything was great.
Lufthansa
6.8
Okay
8,124 reviews
Austrian Airlines
7.6
Good
939 reviews
Check prices

Food

6.8

Boarding

7.6

Comfort

7.3

Crew

8.1

Entertainment

6.8

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2026

VIE - IAD

The vegetarian choice wasn’t good. The snack was bad. Otherwise, everything was great.
British Airways
6.7
Okay
8,102 reviews
Austrian Airlines
7.6
Good
939 reviews
Check prices

Food

6.8

Boarding

7.6

Comfort

7.3

Crew

8.1

Entertainment

6.8

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2026

VIE - IAD

The vegetarian choice wasn’t good. The snack was bad. Otherwise, everything 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 11.0 mi from the center of the city. Booking flights from London to San Francisco should be relatively easy as there are 40 daily flights from 19 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 £48, while return flights cost around £72.

  • How much is a return flight to San Francisco?

    A return flight to San Francisco will typically cost around £192, however they can be found for as little as £72.

  • 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
San Bruno
Newark
Bodega Bay
South San Francisco
Sunnyvale

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