Cheap flights from London to San Francisco from £341
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.
LON — SFO
23 Nov — 30 Nov1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from London to San Francisco are usually found in September or February, booked 51 days in advance, depart on a Tuesday or Thursday and return on a Wednesday
Cheap flight deals from London to San Francisco
Discover tips and strategies to find the most affordable flight options for your journey from London (LON) to San Francisco (SFO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 24 October 2025.
Explore the most affordable flight options available from London to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 24 October 2025.
Tue 25/1118:30LHR - SFO
1 stop28h 00mTAP AIR PORTUGAL
Wed 3/1216:35SFO - LHR
1 stop22h 05mTAP AIR PORTUGAL
Deal found 23/10£383
Sat 8/1106:00LHR - SFO
1 stop16h 45mTAP AIR PORTUGAL
Sat 15/1116:35SFO - LHR
1 stop36h 05mTAP AIR PORTUGAL
Deal found 23/10£389
Mon 24/1106:40LHR - SFO
1 stop15h 55mScandinavian Airlines
Mon 8/1216:40SFO - LHR
1 stop15h 20mScandinavian Airlines
Deal found 23/10£397
Fri 5/1206:00LHR - SFO
1 stop18h 05mTAP AIR PORTUGAL
Mon 8/1216:35SFO - LHR
1 stop16h 55mTAP AIR PORTUGAL
Deal found 23/10£398
Thu 20/1117:30LHR - SFO
2 stops29h 05mScandinavian Airlines
Fri 5/1216:40SFO - LHR
1 stop15h 20mScandinavian Airlines
Deal found 22/10£405
Wed 26/1108:30STN - SFO
2 stops35h 20mMultiple Airlines
Wed 3/1215:40SFO - STN
2 stops21h 25mMultiple Airlines
Deal found 23/10£409
Sat 22/1106:40LHR - SFO
1 stop15h 55mScandinavian Airlines
Sat 6/1216:40SFO - LHR
1 stop17h 00mScandinavian Airlines
Deal found 23/10£413
Tue 25/1116:35LGW - SFO
1 stop29h 55mTAP AIR PORTUGAL
Fri 5/1219:10SFO - LGW
2 stops29h 10mTAP AIR PORTUGAL
Deal found 22/10£413
Wed 12/1106:00LHR - SFO
1 stop16h 30mTAP AIR PORTUGAL
Wed 14/116:35SFO - LHR
1 stop16h 55mTAP AIR PORTUGAL
Deal found 23/10£414
Wed 26/1108:50LGW - SFO
2 stops35h 00mMultiple Airlines
Wed 3/1215:40SFO - LGW
2 stops20h 15mMultiple Airlines
Deal found 23/10£414
Fri 21/1106:40LHR - SFO
1 stop15h 55mScandinavian Airlines
Sun 30/1116:40SFO - LHR
1 stop17h 00mScandinavian Airlines
Deal found 22/10£415
Mon 10/1106:40LHR - SFO
1 stop15h 55mScandinavian Airlines
Thu 13/1116:40SFO - LHR
1 stop15h 20mScandinavian Airlines
Deal found 22/10£415
Best flights from London to San Francisco
Discover carefully curated flight deals from London to San Francisco that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 24 October 2025.
Fri 14/1106:40LHR - SFO
1 stop15h 55mScandinavian Airlines
Mon 24/1116:40SFO - LHR
1 stop15h 20mScandinavian Airlines
Deal found 23/10£433
Mon 24/1121:25LGW - SFO
2 stops49h 05mTAP AIR PORTUGAL
Mon 8/1216:35SFO - LGW
1 stop15h 10mTAP AIR PORTUGAL
Deal found 22/10£451
Sun 7/1208:30STN - SFO
1 stop16h 05mMultiple Airlines
Sun 14/1218:20SFO - STN
1 stop16h 00mMultiple Airlines
Deal found 23/10£453
Wed 14/109:00LHR - SFO
1 stop15h 30mUnited Airlines
Mon 2/212:55SFO - LHR
1 stop13h 55mUnited Airlines
Deal found 22/10£466
Wed 21/109:00LHR - SFO
1 stop15h 30mSWISS
Wed 28/111:45SFO - LHR
2 stops20h 35mSWISS
Deal found 23/10£467
Mon 24/1109:50LCY - SFO
1 stop14h 05mLufthansa
Tue 9/1218:50SFO - LCY
1 stop13h 50mLufthansa
Deal found 22/10£491
Tue 25/1111:40LHR - SFO
Nonstop11h 00mDelta
Mon 1/1200:30SFO - LHR
1 stop22h 35mDelta
Deal found 23/10£497
Sun 18/121:05LHR - SFO
2 stops25h 30mScandinavian Airlines
Fri 23/116:40SFO - LHR
2 stops32h 15mScandinavian Airlines
Deal found 23/10£442
Mon 23/321:25LGW - SFO
2 stops49h 05mTAP AIR PORTUGAL
Fri 10/420:20SFO - LGW
1 stop29h 25mTAP AIR PORTUGAL
Deal found 23/10£462
Wed 14/106:50LTN - SFO
1 stop16h 45mMultiple Airlines
Wed 21/117:20SFO - LTN
1 stop15h 45mMultiple Airlines
Deal found 22/10£463
Wed 5/1109:00LHR - SFO
1 stop15h 30mUnited Airlines
Mon 10/1113:08SFO - LHR
1 stop12h 32mUnited Airlines
Deal found 22/10£474
Tue 25/1109:50LCY - SFO
1 stop14h 05mLufthansa
Wed 3/1218:50SFO - LCY
1 stop13h 50mLufthansa
Deal found 23/10£492
Thu 5/318:40LGW - SFO
1 stop29h 50mSWISS
Mon 9/320:25SFO - LGW
1 stop14h 25mSWISS
Deal found 21/10£493
Mon 8/1211:40LHR - SFO
Nonstop11h 00mDelta
Wed 17/1211:40SFO - LHR
1 stop13h 05mDelta
Deal found 22/10£498
Fri 13/321:05LHR - SFO
2 stops25h 30mScandinavian Airlines
Sat 21/317:40SFO - LHR
2 stops18h 10mScandinavian Airlines
Deal found 22/10£455
Sat 21/310:10LGW - SFO
2 stops60h 25mTAP AIR PORTUGAL
Fri 10/420:20SFO - LGW
1 stop29h 25mTAP AIR PORTUGAL
Deal found 22/10£469
Wed 17/1206:50LTN - SFO
1 stop16h 45mMultiple Airlines
Sun 11/118:20SFO - LTN
1 stop19h 40mMultiple Airlines
Deal found 22/10£489
Fri 5/1209:00LHR - SFO
1 stop15h 30mUnited Airlines
Tue 9/1216:15SFO - LHR
1 stop13h 15mUnited Airlines
Deal found 22/10£492
Wed 3/1209:50LCY - SFO
1 stop14h 05mLufthansa
Tue 9/1218:50SFO - LCY
1 stop13h 50mLufthansa
Deal found 23/10£492
Sat 14/306:40LHR - SFO
1 stop15h 55mScandinavian Airlines
Sun 22/317:40SFO - LHR
1 stop15h 20mScandinavian Airlines
Deal found 23/10£456
Thu 6/1118:40LGW - SFO
1 stop29h 50mSWISS
Thu 4/1219:25SFO - LGW
1 stop14h 25mSWISS
Deal found 22/10£503
Sat 6/1210:10LGW - SFO
2 stops60h 25mTAP AIR PORTUGAL
Mon 12/116:35SFO - LGW
1 stop15h 10mTAP AIR PORTUGAL
Deal found 23/10£478
Fri 14/1113:45LHR - SFO
Nonstop11h 15mMultiple Airlines
Mon 24/1116:15SFO - LHR
1 stop13h 15mMultiple Airlines
Deal found 23/10£494
Mon 23/209:50LCY - SFO
1 stop14h 05mLufthansa
Mon 2/318:55SFO - LCY
1 stop13h 45mLufthansa
Deal found 23/10£494
Wed 4/209:20LCY - SFO
1 stop15h 10mSWISS
Wed 18/219:25SFO - LCY
1 stop13h 40mSWISS
Deal found 24/10£506
Sat 8/1115:35LHR - SFO
2 stops31h 00mScandinavian Airlines
Sat 15/1116:40SFO - LHR
2 stops16h 20mScandinavian Airlines
Deal found 22/10£472
Wed 18/309:50LCY - SFO
1 stop14h 05mLufthansa
Wed 25/319:55SFO - LCY
1 stop13h 45mLufthansa
Deal found 23/10£494
Fri 20/211:25STN - SFO
2 stops35h 10mMultiple Airlines
Fri 27/216:40SFO - STN
2 stops20h 05mMultiple Airlines
Deal found 23/10£502
Thu 5/319:10LCY - SFO
1 stop29h 20mSWISS
Mon 9/320:25SFO - LCY
1 stop29h 20mSWISS
Deal found 21/10£514
Sat 6/1210:10LGW - SFO
2 stops60h 25mTAP AIR PORTUGAL
Mon 8/1216:35SFO - LGW
1 stop15h 10mTAP AIR PORTUGAL
Deal found 23/10£538
Direct flights from London to San Francisco
Explore direct flight options from London to San Francisco based on user searches, and compare prices and availability for your desired travel dates. Data last updated 24 October 2025.
Mon 24/1111:40LHR - SFO
Nonstop11h 00mVirgin Atlantic
Mon 8/1216:30SFO - LHR
Nonstop10h 10mVirgin Atlantic
Deal found 23/10£447
Mon 24/1111:40LHR - SFO
Nonstop11h 00mVirgin Atlantic
Tue 9/1216:30SFO - LHR
Nonstop10h 10mVirgin Atlantic
Deal found 23/10£460
Mon 24/1111:45LHR - SFO
Nonstop11h 15mBritish Airways
Mon 8/1217:30SFO - LHR
Nonstop10h 30mBritish Airways
Deal found 22/10£462
Wed 3/1210:05LHR - SFO
Nonstop11h 15mLufthansa
Wed 10/1212:50SFO - LHR
Nonstop10h 35mLufthansa
Deal found 23/10£464
Tue 25/1111:45LHR - SFO
Nonstop11h 15mBritish Airways
Tue 2/1217:30SFO - LHR
Nonstop10h 30mBritish Airways
Deal found 23/10£465
Tue 25/1111:40LHR - SFO
Nonstop11h 00mVirgin Atlantic
Tue 2/1216:30SFO - LHR
Nonstop10h 10mVirgin Atlantic
Deal found 23/10£466
Wed 19/1111:40LHR - SFO
Nonstop11h 00mVirgin Atlantic
Tue 2/1216:30SFO - LHR
Nonstop10h 10mVirgin Atlantic
Deal found 22/10£467
Mon 2/311:45LHR - SFO
Nonstop11h 15mBritish Airways
Wed 11/321:40SFO - LHR
Nonstop10h 30mBritish Airways
Deal found 23/10£470
Tue 13/113:45LHR - SFO
Nonstop11h 15mLufthansa
Tue 20/117:25SFO - LHR
Nonstop10h 35mLufthansa
Deal found 22/10£471
Tue 13/111:45LHR - SFO
Nonstop11h 15mBritish Airways
Tue 20/117:30SFO - LHR
Nonstop10h 30mBritish Airways
Deal found 22/10£472
Last-minute flights from London to San Francisco
Discover last-minute flight deals from London to San Francisco. Data last updated 24 October 2025 and is based on user searches.
Fri 7/1106:40LHR - SFO
1 stop15h 55mScandinavian Airlines
Fri 14/1116:40SFO - LHR
1 stop15h 20mScandinavian Airlines
Deal found 22/10£418
Sat 8/1106:00LHR - SFO
1 stop16h 45mTAP AIR PORTUGAL
Sat 15/1116:35SFO - LHR
1 stop36h 05mTAP AIR PORTUGAL
Deal found 23/10£389
Mon 10/1106:40LHR - SFO
1 stop15h 55mScandinavian Airlines
Thu 13/1116:40SFO - LHR
1 stop15h 20mScandinavian Airlines
Deal found 22/10£415
Wed 12/1106:00LHR - SFO
1 stop16h 30mTAP AIR PORTUGAL
Wed 14/116:35SFO - LHR
1 stop16h 55mTAP AIR PORTUGAL
Deal found 23/10£414
Thu 20/1117:30LHR - SFO
2 stops29h 05mScandinavian Airlines
Fri 5/1216:40SFO - LHR
1 stop15h 20mScandinavian Airlines
Deal found 22/10£405
Fri 21/1106:40LHR - SFO
1 stop15h 55mScandinavian Airlines
Sun 30/1116:40SFO - LHR
1 stop17h 00mScandinavian Airlines
Deal found 22/10£415
Sat 22/1106:40LHR - SFO
1 stop15h 55mScandinavian Airlines
Sat 6/1216:40SFO - LHR
1 stop17h 00mScandinavian Airlines
Deal found 23/10£413
Mon 24/1106:40LHR - SFO
1 stop15h 55mScandinavian Airlines
Mon 8/1216:40SFO - LHR
1 stop15h 20mScandinavian Airlines
Deal found 23/10£397
Tue 25/1118:30LHR - SFO
1 stop28h 00mTAP AIR PORTUGAL
Wed 3/1216:35SFO - LHR
1 stop22h 05mTAP AIR PORTUGAL
Deal found 23/10£383
Tue 25/1116:35LGW - SFO
1 stop29h 55mTAP AIR PORTUGAL
Fri 5/1219:10SFO - LGW
2 stops29h 10mTAP AIR PORTUGAL
Deal found 22/10£413
Wed 26/1108:30STN - SFO
2 stops35h 20mMultiple Airlines
Wed 3/1215:40SFO - STN
2 stops21h 25mMultiple Airlines
Deal found 23/10£409
Wed 26/1108:50LGW - SFO
2 stops35h 00mMultiple Airlines
Wed 3/1215:40SFO - LGW
2 stops20h 15mMultiple Airlines
Deal found 23/10£414
One-way flights from London to San Francisco
Search for one-way flight options from London to San Francisco. Find affordable one-way fares based on user searches. Data last updated 24 October 2025.
Wed 21/107:00LTN - SFO
1 stop21h 10mMultiple Airlines
Deal found 22/10£341
Thu 11/1209:00LHR - SFO
1 stop15h 30mSWISS
Deal found 21/10£342
Mon 17/1113:00LGW - SFO
2 stops39h 10mMultiple Airlines
Deal found 22/10£342
Tue 18/1120:50LTN - SFO
2 stops31h 20mMultiple Airlines
Deal found 23/10£343
Wed 10/1207:10SEN - SFO
1 stop21h 00mMultiple Airlines
Deal found 22/10£343
Sat 28/209:50LHR - SFO
1 stop13h 45mAer Lingus
Deal found 23/10£344
Sat 22/1122:30LGW - SFO
2 stops29h 40mMultiple Airlines
Deal found 23/10£344
Tue 18/1118:50LHR - SFO
2 stops27h 40mMultiple Airlines
Deal found 23/10£345
Fri 6/209:20LCY - SFO
1 stop15h 10mSWISS
Deal found 23/10£345
Fri 21/1117:00LTN - SFO
2 stops29h 45mMultiple Airlines
Deal found 23/10£346
Tue 25/1118:50LHR - SFO
2 stops27h 40mMultiple Airlines
Deal found 22/10£346
Wed 19/1121:05LGW - SFO
2 stops51h 00mMultiple Airlines
Deal found 23/10£346
Cheapflights Fare Finder
Customise your flight search to find flights from London to San Francisco that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 24 October 2025.
Use the filters below to find and compare flights from London to San Francisco that are best for you.
Fly from
London
Fly to
San Francisco
Route
Depart
Return
Price
LondonSan Francisco
LHR - SFO
LHRSFO
London Heathrow
Fri 14/11
06:40-14:35
1 stop15h 55m
San Francisco
Mon 24/11
16:40-16:00
1 stop15h 20m
£433
LondonSan Francisco
LHR - SFO
LHRSFO
London Heathrow
Sun 18/1
21:05-14:35
2 stops25h 30m
San Francisco
Fri 23/1
16:40-08:55
2 stops32h 15m
£442
LondonSan Francisco
LGW - SFO
LGWSFO
London Gatwick
Mon 24/11
21:25-14:30
2 stops49h 05m
San Francisco
Mon 8/12
16:35-15:45
1 stop15h 10m
£451
LondonSan Francisco
STN - SFO
STNSFO
London Stansted
Sun 7/12
08:30-16:35
1 stop16h 05m
San Francisco
Sun 14/12
18:20-18:20
1 stop16h 00m
£453
LondonSan Francisco
LHR - SFO
LHRSFO
London Heathrow
Fri 13/3
21:05-15:35
2 stops25h 30m
San Francisco
Sat 21/3
17:40-18:50
2 stops18h 10m
£455
LondonSan Francisco
LHR - SFO
LHRSFO
London Heathrow
Sat 14/3
06:40-15:35
1 stop15h 55m
San Francisco
Sun 22/3
17:40-16:00
1 stop15h 20m
£456
LondonSan Francisco
LGW - SFO
LGWSFO
London Gatwick
Mon 23/3
21:25-15:30
2 stops49h 05m
San Francisco
Fri 10/4
20:20-09:45
1 stop29h 25m
£462
LondonSan Francisco
LTN - SFO
LTNSFO
London Luton
Wed 14/1
06:50-15:35
1 stop16h 45m
San Francisco
Wed 21/1
17:20-17:05
1 stop15h 45m
£463
LondonSan Francisco
LHR - SFO
LHRSFO
London Heathrow
Wed 14/1
09:00-16:30
1 stop15h 30m
San Francisco
Mon 2/2
12:55-10:50
1 stop13h 55m
£466
LondonSan Francisco
LHR - SFO
LHRSFO
London Heathrow
Wed 21/1
09:00-16:30
1 stop15h 30m
San Francisco
Wed 28/1
11:45-16:20
2 stops20h 35m
£467
Flights are sorted by cheapest return flights first.
Deals found on 22/10
Showing 1-10 of 60 results
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Best time to book a flight from London to San Francisco
Have a flexible travel schedule? Discover the best time to fly to San Francisco from London 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 from London to San Francisco
How far ahead should I book a flight from London 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 17 October 2025.
To ensure you get the cheapest price possible for a flight from London to San Francisco, you should look to book at least 51 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from London to San Francisco?
Currently, December is the cheapest month in which you can book a flight from London to San Francisco (average of £340). Flying from London to San Francisco in July is currently the most expensive (average of £460). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from LON to SFO?
Find hourly flight availability from London to San Francisco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 24 October 2025.
Unlike at midday, when flights are generally more expensive, you can save up to 9% on flights from London to San Francisco by exploring options for tickets in the evening.
What is the cheapest day to fly from London 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.
Travellers seeking maximum savings on their London to San Francisco flight should consider departing on Friday evenings when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
How much does it cost for a return flight from London to San Francisco?
What’s the top stopover airport for flights from London to San Francisco?
Share of one-stop return flights from London to San Francisco chosen by Cheapflights users in the past 12 months, using the same stopover each way.
Copenhagen (CPH) – chosen by Cheapflights users on 34% of one-stop itineraries from London to San Francisco on Cheapflights.
What’s the cheapest stopover airport for flights from London to San Francisco?
Average return fare for one-stop flights from London to San Francisco, chosen by Cheapflights users in the past 12 months, with the same stopover each way.
Lisbon (LIS) is the most affordable one-stop option, with an average return flight price of £379.
What’s the fastest stopover option from London to San Francisco?
Shortest average travel time for one-stop one-way flights from London to San Francisco, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.
Flights via Amsterdam (AMS) have the shortest average one-way travel time for one-stop routes: 13h 17m.
Which airport typically offers the quickest stopover for flights from London to San Francisco?
Average stopover duration for one-stop one-way flights from London to San Francisco, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Amsterdam (AMS) offer the fastest connection on this route, with an average stopover time of 1h 06m.
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 24 October 2025.
Read reviews from past customers who have flown with KLM, Virgin Atlantic, andUnited Airlines
from London to San Francisco. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Related info for your journey
Find useful and relevant information for your journey from London to San Francisco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
What airport do you fly into for flights to San Francisco from London?
San Francisco (SFO) is the airport you will fly into if you book a flight from London to San Francisco. You should not have trouble finding flights to San Francisco from London; the airport handles an average of 19 inbound flights from London per day. You should also have plenty of airline options to choose from since 18 airlines have flights to the San Francisco airport from London. It is only a 11.8 mi journey from San Francisco (SFO) to San Francisco’s city center.
How long is the flight from London to San Francisco?
There are many flights that can get you from London to San Francisco in 15h 30m. Fly via Scandinavian Airlines, TAP AIR PORTUGAL, or United Airlines to get the fastest option. London and San Francisco are separated by a distance of 5350 mi. This flight may include one or multiple stops.
What are the cheapest airlines flying from London to San Francisco round-trip?
Flying on Delta is currently your cheapest option to San Francisco, with prices starting at £239. Additional return tickets that might be worth considering are offered by Air Canada and Aer Lingus, with the lowest prices starting at £338 and £353, respectively. Delta is priced at 52% lower than the current average price of a flight leaving 3 months from now.
What are the cheapest airlines to fly from London to San Francisco one-way?
To fly one-way, consider booking your trip with SWISS, which is currently one of the cheapest options available, starting at £348. British Airways flights start at £349 while deals on United Airlines start at £355 one-way.
What are the most popular routes from London to San Francisco?
When deciding which route to take from London to San Francisco consider London Heathrow - San Francisco, London Gatwick - San Francisco or London City - San Francisco as they are the most popular.
What are the most reliable airlines from London to San Francisco?
Consider Air New Zealand (87%), KLM (85%) or Air France (85%) when booking your flight. These represent the most reliable airlines when flying from London to San Francisco.
What are the cheapest flights from London to San Francisco?
The cheapest flight price from London to San Francisco is £338. On average you can expect to pay £1,966. The most popular route, (London Heathrow - San Francisco), can usually be booked for £355.
Where are the most common stopover locations when flying from London to San Francisco?
Most of the time, London to San Francisco flights that have stopovers will stop in Copenhagen. Copenhagen is followed by Lisbon in terms of the most popular stopover location on flights from London to San Francisco.
What are some popular things to do or see while on a stopover in Copenhagen?
Tivoli, Rådhuspladsen, and Opera House are currently the most popular points of interest in Copenhagen at the moment. Tivoli, Rådhuspladsen, and Opera House can be accessed by travelling approximately 5.3 mi, 5.2 mi, and 4.9 mi, respectively from Kastrup Copenhagen. Travellers can book a car hire at Kastrup Copenhagen for about £27 per day to make their sightseeing more efficient.
What are some popular points of interest to see during a stopover in Lisbon?
Chiado, Londres, and Sé de Lisboa are the most popular attractions in Lisbon if you're in need of something to do during your stopover. Chiado, Londres, and Sé de Lisboa can be accessed by travelling approximately 4.5 mi, 2.3 mi, and 4.6 mi, respectively from Lisbon Humberto Delgado. Those looking to explore during their stopover in Lisbon can hire a car from Lisbon Humberto Delgado for about £12 per day.
Where are the least popular stopover locations for London to San Francisco flights?
The least popular stopover on flights from London to San Francisco is Dublin.
Can I find deals for flights from London to San Francisco that include hotel bookings?
Yes. In addition to deals on London to San Francisco flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from London to San Francisco?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to San Francisco.
Can I find deals for business class flights from London to San Francisco?
Yes. Cheapflights offers flight deals from London to San Francisco by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from London to San Francisco?
Currently, December is the cheapest month in which you can book a flight from London to San Francisco (average of £340). Flying from London to San Francisco in July is currently the most expensive (average of £460). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What are the most eco-friendly airlines from London to San Francisco?
If you are looking for flights to San Francisco from London that are eco-friendly, there are a couple of airlines that we can recommend. The recommended airlines are Brussels Airlines, Finnair, Jetblue and Singapore Airlines. If you choose to fly with Brussels Airlines, you will be flying with an airline that trains its pilots only to use one engine during taxiing and limited flaps while landing. This saves a lot of fuel. The fleet of aircraft for long-haul flights has also been replaced with models consuming 3.1% less fuel. Finnair is another great option for sustainable travel. They plan to cut their carbon emissions by 2025 by 50% from 2019’s level. This airline is also working on sustainable catering. Jetblue uses Airbus A320neos which improve fuel economy by 15%. This airline also uses Sharklets, which are wing tip devices that improve aerodynamics and reduce carbon emissions by 4%. Singapore Airlines is another great airline to fly with for eco-friendly travel. This airline is working on sustainable fuel and regularly replaces its planes with newer models that consume less fuel.
How to fly more sustainably from London to San Francisco?
There are many great ways to travel more sustainably to San Francisco from London. One of the best ways you can do this is by taking a direct flight. Taking a direct flight uses less fuel than taking a flight route with more than one stopover. If you can, you should also fly in economy class. The economy class takes up less room in the aircraft and therefore can hold more passengers. Another great eco-friendly way to travel is by packing light. The lighter you pack, the less fuel the aircraft will use. Flying with an airline that has sustainable travel methods in place is super beneficial for the planet. If you have the option, try to fly with Brussels Airlines, Finnair, Jetblue or Singapore Airlines.
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Book flights to San Francisco if you plan to visit one of these locations
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Fly from London to San Francisco on these airlines
Choose from the following airlines for your flight from London to San Francisco. Flights are based on user searches made on Cheapflights and were last updated on 24 October 2025.
Explore flights to San Francisco departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 24 October 2025.
Top 10 airlines flying from London to San Francisco
Discover the top 10 airlines that operate flights from London to San Francisco. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 24 October 2025.
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