£237+ Cheap flights to San Francisco Bay Area

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 20/9. Fares are subject to change and may not be available on all flights or dates of travel.
— SFO
1 Sep — 8 Sep1
1 adult

Flights to San Francisco Bay Area in 2025

Find the latest flights to San Francisco Bay Area 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 27 August 2025.

Return from

£414

One-way from

£237

Popular in

July

Cheapest in

February

Average price

£612
Aer Lingus
  • Aer Lingus
  • 21/9-30/9
  • 2 total stops
  • 32h 20m total
  • London to San Francisco
20/9
  • 20/9
  • 1 total stop
  • 32h 08m total
  • London to San Francisco Bay Area
Highest demand for flights based on searches. 15% potential increase in price (£67 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 August 2025

Find flights to San Francisco Bay Area

Browse one-way and return flights deals to San Francisco Bay Area on Cheapflights. Flight deals are based on user searches and were last updated on 27 August 2025
Explore San Francisco Bay Area

Find flight deals to San Francisco Bay Area

Cheapest flights to San Francisco Bay Area
Explore the most affordable flight options available to San Francisco Bay Area. Find the lowest fares based on data from user searches, with prices last updated on 27 August 2025.

Sun 21/908:50LHR - SFO
1 stop15h 05mAer Lingus
Tue 30/917:40SFO - LHR
1 stop17h 15mAer Lingus
Deal found 25/8£414
Wed 24/913:45LHR - SFO
1 stop34h 25mUnited Airlines
Wed 1/1019:50SFO - LHR
Nonstop10h 20mUnited Airlines
Deal found 25/8£415
Wed 8/1015:05LGW - SFO
1 stop16h 23mAmerican Airlines
Tue 21/1010:12SFO - LGW
1 stop13h 58mAmerican Airlines
Deal found 25/8£415
Thu 4/908:40LHR - SFO
1 stop15h 55mUnited Airlines
Thu 18/909:10SFO - LHR
1 stop14h 30mUnited Airlines
Deal found 25/8£416
Fri 12/1210:40LGW - SFO
1 stop36h 05mTAP AIR PORTUGAL
Fri 2/119:10SFO - LGW
1 stop30h 40mTAP AIR PORTUGAL
Deal found 25/8£416
Thu 11/906:55LHR - SFO
1 stop20h 05mUnited Airlines
Fri 19/913:05SFO - LHR
Nonstop10h 20mUnited Airlines
Deal found 26/8£416
Wed 3/908:40LHR - SFO
1 stop15h 30mUnited Airlines
Tue 23/907:05SFO - LHR
1 stop14h 50mUnited Airlines
Deal found 25/8£417
Thu 11/906:30LHR - SFO
1 stop14h 10mMultiple Airlines
Thu 18/919:55SFO - LHR
Nonstop10h 15mMultiple Airlines
Deal found 26/8£418
Thu 18/909:25LCY - SFO
1 stop14h 45mSWISS
Wed 1/1019:30SFO - LCY
1 stop13h 45mSWISS
Deal found 24/8£418
Mon 22/909:30LHR - SFO
1 stop14h 30mLufthansa
Thu 4/1216:15SFO - LHR
1 stop13h 15mLufthansa
Deal found 25/8£419
Fri 19/915:05LGW - SFO
1 stop16h 54mAmerican Airlines
Fri 10/1010:12SFO - LGW
1 stop13h 58mAmerican Airlines
Deal found 25/8£419
Tue 9/908:30LHR - SFO
1 stop15h 30mUnited Airlines
Tue 16/916:05SFO - LHR
Nonstop10h 20mUnited Airlines
Deal found 25/8£419

Cheapflights Fare Finder

 
Locate flights to San Francisco Bay Area 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 27 August 2025.
Use the filters below to find and compare flights to San Francisco Bay Area that are best for you.

Fly from

London

Route

Depart

Return

Price

LondonSan Jose

LHR - SJC

LHRSJC

London Heathrow

Tue 3/2

07:30-20:50

2 stops21h 20m

San Jose

Tue 24/2

14:24-12:15

1 stop13h 51m

£409

LondonSan Jose

LGW - SJC

LGWSJC

London Gatwick

Thu 19/2

11:20-20:45

2 stops41h 25m

San Jose

Mon 23/2

09:56-07:30

2 stops37h 34m

£413

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sun 23/11

19:30-14:35

1 stop27h 05m

San Francisco

Sun 30/11

16:40-19:55

2 stops19h 15m

£414

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Wed 24/9

08:40-16:10

1 stop15h 30m

San Francisco

Wed 1/10

16:05-10:25

Nonstop10h 20m

£415

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Thu 9/10

08:40-16:10

1 stop15h 30m

San Francisco

Sun 19/10

16:05-10:25

Nonstop10h 20m

£415

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Wed 8/10

15:05-23:28

1 stop16h 23m

San Francisco

Tue 21/10

10:12-08:10

1 stop13h 58m

£415

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Wed 24/9

08:40-16:10

1 stop15h 30m

San Francisco

Thu 2/10

08:30-09:35

1 stop17h 05m

£415

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Wed 8/10

15:05-23:28

1 stop16h 23m

San Francisco

Mon 20/10

06:51-08:10

1 stop17h 19m

£415

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sun 22/2

07:40-14:50

1 stop15h 10m

San Francisco

Sun 1/3

12:50-07:25

Nonstop10h 35m

£416

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Thu 25/12

17:00-14:35

1 stop29h 35m

San Francisco

Thu 1/1

16:40-09:20

1 stop32h 40m

£416

Flights are sorted by cheapest return flights first.

Deals found on 26/8

Showing 1-10 of 60 results
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6

Best time to book a flight to San Francisco Bay Area

Have a flexible travel schedule? Discover the best time to fly to San Francisco Bay Area 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 Bay Area

How long is the flight to San Francisco Bay Area?

On average, a flight from London to San Francisco Bay Area takes 20 hours 6 minutes. Flights to San Francisco Bay Area 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 Bay Area?

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

Users looking for the lowest fares to San Francisco Bay Area 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 Bay Area

The most flights from London to San Francisco Bay Area are scheduled on a Monday (42 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (36 on average).

What are the cheapest airlines that fly to San Francisco Bay Area?

The cheapest airlines flying from London to San Francisco Bay Area are Delta, United Airlines and Scandinavian Airlines.

Rainfall in San Francisco Bay Area by month

Plan your trip to San Francisco Bay Area by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Francisco Bay Area 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 Bay Area when rainfall is around 0.0 mm.

Temperature in San Francisco Bay Area by month

Plan your trip to San Francisco Bay Area by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Francisco Bay Area, 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 Bay Area

Get insights into the airlines that provide service to San Francisco Bay Area. 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 Bay Area. Reviews last updated 27 August 2025.
See what other customers who have flown with KLM, United Airlines, andVirgin Atlantic to the United States have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

7.7

Crew

8.4

Entertainment

7.1

Food

7.3

Boarding

7.8

Overall

7.8

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.

Comfort

7.7

Crew

8.4

Entertainment

7.1

Food

7.3

Boarding

7.8

Overall

7.8

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.

Comfort

7.7

Crew

8.4

Entertainment

7.1

Food

7.3

Boarding

7.8

Overall

7.8

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.

Comfort

7.7

Crew

8.4

Entertainment

7.1

Food

7.3

Boarding

7.8

Overall

7.8

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.

Comfort

7.7

Crew

8.4

Entertainment

7.1

Food

7.3

Boarding

7.8

Overall

7.8

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.

Comfort

7.7

Crew

8.4

Entertainment

7.1

Food

7.3

Boarding

7.8

Overall

7.8

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 Bay Area

  • Can I find cheaper flights to San Francisco Bay Area 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 Bay Area on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to San Francisco Bay Area?

    Based on reviews from Cheapflights users, Delta is rated the highest out of the airlines that fly to San Francisco Bay Area.

  • How much is a return flight to San Francisco Bay Area?

    A return flight to San Francisco Bay Area will typically cost around £199, however they can be found for as little as £59.

  • Where does the fastest flight to San Francisco Bay Area depart from?

    For those looking to save time traveling to San Francisco Bay Area, London offers the quickest one-way flight (11 hours 0 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

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How does Cheapflights help users find flights to San Francisco Bay Area?

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Millions of users choose and trust Cheapflights to book the best flight deals to San Francisco Bay Area for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights to San Francisco Bay Area, users can toggle the no change fees filter when performing a flight search.

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

Yes! Start tracking prices for San Francisco Bay Area flights today and get alerted when prices change. To subscribe and begin receiving alerts, click the bell icon next to the flight deals above and provide your email address.

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