Cheap flights from the United Kingdom to San Francisco from £306
This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 18/4. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SFO
9 Dec — 16 Dec1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Cheap flight deals from United Kingdom to San Francisco
Enter your travel dates to find the best prices.
Cheapest
Best
Direct
Last-minute
One-way
Cheapest flights from United Kingdom to San Francisco
Explore the most affordable flight options available from United Kingdom to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 9 November 2026.
Mon 23/1106:40 -
1 stop16h 10m
Sun 29/1116:45 -
1 stop17h 45m
Deal found 6/11£398
Sat 21/1114:45 -
1 stop13h 58m
Wed 2/1212:39 -
1 stop15h 41m
Deal found 5/11£408
Thu 19/1114:45 -
1 stop16h 00m
Thu 3/1212:39 -
1 stop15h 41m
Deal found 5/11£410
Thu 10/1214:45 -
1 stop14h 07m
Sun 10/119:16 -
1 stop33h 04m
Deal found 9/11£423
Fri 4/1214:45 -
1 stop15h 03m
Mon 7/1219:05 -
1 stop33h 15m
Deal found 7/11£424
Thu 12/1114:45 -
1 stop26h 56m
Tue 17/1110:39 -
1 stop17h 41m
Deal found 4/11£425
Sat 21/1114:45 -
1 stop16h 01m
Tue 1/1207:00 -
1 stop21h 20m
Deal found 5/11£427
Thu 10/1214:45 -
1 stop26h 53m
Thu 24/1210:35 -
1 stop17h 45m
Deal found 7/11£427
Wed 9/1214:45 -
1 stop15h 03m
Wed 13/114:07 -
1 stop14h 13m
Deal found 8/11£428
Tue 17/1114:45 -
1 stop14h 02m
Thu 26/1106:00 -
1 stop22h 20m
Deal found 8/11£429
Mon 23/1114:45 -
1 stop16h 01m
Sat 5/1212:39 -
1 stop15h 41m
Deal found 7/11£430
Mon 16/1114:45 -
1 stop14h 58m
Wed 2/1212:39 -
1 stop15h 41m
Deal found 4/11£430
Best flights from United Kingdom to San Francisco
Discover carefully curated flight deals from United Kingdom to San Francisco that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 9 November 2026.
Wed 9/1214:45 -
1 stop15h 03m
Sun 13/1210:40 -
1 stop17h 40m
Deal found 7/11£439
Fri 20/1113:40 -
1 stop33h 05m
Sat 28/1116:35 -
1 stop22h 05m
Deal found 4/11£520
Wed 9/1206:30 -
1 stop13h 15m
Sun 27/1206:20 -
1 stop16h 45m
Deal found 8/11£524
Fri 25/1214:30 -
1 stop16h 31m
Tue 19/110:15 -
2 stops15h 25m
Deal found 4/11£540
Mon 8/214:25 -
2 stops34h 05m
Mon 15/219:25 -
1 stop18h 15m
Deal found 6/11£541
Wed 3/310:00 -
2 stops21h 15m
Mon 15/311:05 -
2 stops21h 40m
Deal found 8/11£547
Mon 7/1216:55 -
1 stop14h 38m
Thu 24/1214:05 -
1 stop14h 05m
Deal found 9/11£564
Mon 7/1206:40 -
1 stop16h 10m
Thu 10/1216:45 -
2 stops20h 35m
Deal found 6/11£566
Thu 10/1210:05 -
Nonstop11h 15m
Sat 26/1216:40 -
Nonstop10h 35m
Deal found 8/11£582
Sat 12/1220:55 -
1 stop22h 50m
Wed 13/113:50 -
1 stop15h 00m
Deal found 6/11£593
Sun 22/1112:40 -
2 stops28h 03m
Mon 30/1114:07 -
2 stops18h 18m
Deal found 6/11£647
Thu 7/112:45 -
2 stops19h 06m
Sun 7/323:09 -
2 stops32h 06m
Deal found 6/11£772
Wed 9/1210:05 -
1 stop38h 25m
Sun 13/1218:35 -
1 stop20h 00m
Deal found 6/11£934
Wed 25/1111:40 -
1 stop33h 04m
Fri 4/1213:45 -
1 stop36h 00m
Deal found 7/11£981
Thu 10/1211:35 -
2 stops16h 12m
Sun 10/116:37 -
1 stop12h 53m
Deal found 9/11£541
Wed 3/310:00 -
2 stops20h 49m
Mon 15/307:00 -
2 stops19h 30m
Deal found 8/11£561
Wed 16/1208:40 -
2 stops23h 41m
Wed 30/1205:45 -
1 stop20h 15m
Deal found 8/11£564
Fri 18/1210:20 -
2 stops36h 30m
Sun 27/1216:45 -
2 stops32h 50m
Deal found 9/11£571
Thu 24/1211:35 -
1 stop30h 02m
Thu 7/112:50 -
Nonstop10h 35m
Deal found 7/11£543
Sun 28/206:55 -
2 stops17h 35m
Thu 4/314:20 -
2 stops19h 30m
Deal found 9/11£599
Tue 15/1206:00 -
1 stop13h 45m
Fri 8/115:10 -
1 stop14h 25m
Deal found 4/11£609
Mon 5/417:00 -
1 stop27h 50m
Mon 12/420:10 -
1 stop28h 50m
Deal found 9/11£564
Thu 10/1206:00 -
1 stop13h 45m
Fri 15/113:50 -
1 stop19h 00m
Deal found 6/11£624
Tue 15/1206:00 -
1 stop13h 45m
Sat 9/113:00 -
2 stops16h 35m
Deal found 4/11£588
Fri 16/419:40 -
2 stops27h 00m
Sat 24/416:45 -
1 stop17h 40m
Deal found 4/11£592
Thu 24/1220:45 -
1 stop26h 10m
Thu 31/1209:09 -
2 stops18h 16m
Deal found 9/11£673
Fri 11/1220:05 -
1 stop23h 40m
Mon 14/1206:00 -
2 stops18h 10m
Deal found 7/11£567
Fri 5/206:15 -
2 stops40h 30m
Fri 12/214:45 -
1 stop13h 45m
Deal found 4/11£640
Fri 8/109:20 -
2 stops23h 19m
Sun 24/120:35 -
1 stop17h 50m
Deal found 8/11£705
Tue 29/1215:10 -
2 stops24h 21m
Tue 5/119:09 -
2 stops18h 11m
Deal found 5/11£591
Direct flights from United Kingdom to San Francisco
Explore direct flight options from United Kingdom to San Francisco based on user searches, and compare prices and availability for your desired travel dates. Data last updated 9 November 2026.
Mon 18/111:45 -
Nonstop11h 10m
Sun 16/521:00 -
Nonstop10h 20m
Deal found 6/11£411
Tue 2/211:45 -
Nonstop11h 10m
Sun 7/220:35 -
Nonstop10h 35m
Deal found 9/11£416
Mon 23/1111:45 -
Nonstop11h 10m
Tue 1/1217:25 -
Nonstop10h 25m
Deal found 6/11£469
Mon 23/1111:45 -
Nonstop11h 10m
Sun 29/1117:25 -
Nonstop10h 25m
Deal found 6/11£470
Fri 4/1215:20 -
Nonstop11h 25m
Wed 9/1217:25 -
Nonstop10h 25m
Deal found 7/11£487
Wed 13/111:50 -
Nonstop11h 00m
Wed 3/216:40 -
Nonstop10h 15m
Deal found 9/11£496
Mon 11/111:50 -
Nonstop11h 00m
Wed 20/116:40 -
Nonstop10h 15m
Deal found 9/11£497
Wed 2/1213:45 -
Nonstop11h 10m
Wed 9/1212:50 -
Nonstop10h 35m
Deal found 4/11£507
Mon 11/111:50 -
Nonstop11h 00m
Fri 15/116:40 -
Nonstop10h 15m
Deal found 6/11£513
Thu 14/111:50 -
Nonstop11h 00m
Tue 19/116:40 -
Nonstop10h 15m
Deal found 5/11£514
Sun 10/111:50 -
Nonstop11h 00m
Fri 22/116:40 -
Nonstop10h 15m
Deal found 8/11£514
Fri 26/211:50 -
Nonstop11h 00m
Sat 6/316:40 -
Nonstop10h 15m
Deal found 5/11£516
Last-minute flights from United Kingdom to San Francisco
Discover last-minute flight deals from United Kingdom to San Francisco. Data last updated 9 November 2026 and is based on user searches.
Mon 16/1114:45 -
1 stop14h 58m
Wed 2/1212:39 -
1 stop15h 41m
Deal found 4/11£430
Tue 17/1114:45 -
1 stop14h 02m
Thu 26/1106:00 -
1 stop22h 20m
Deal found 8/11£429
Thu 19/1114:45 -
1 stop16h 00m
Thu 3/1212:39 -
1 stop15h 41m
Deal found 5/11£410
Sat 21/1114:45 -
1 stop13h 58m
Wed 2/1212:39 -
1 stop15h 41m
Deal found 5/11£408
Sat 21/1114:45 -
1 stop16h 01m
Tue 1/1207:00 -
1 stop21h 20m
Deal found 5/11£427
Mon 23/1106:40 -
1 stop16h 10m
Sun 29/1116:45 -
1 stop17h 45m
Deal found 6/11£398
Mon 23/1114:45 -
1 stop14h 58m
Tue 1/1209:40 -
1 stop18h 40m
Deal found 4/11£425
Mon 23/1114:45 -
1 stop16h 01m
Sat 5/1212:39 -
1 stop15h 41m
Deal found 7/11£430
Fri 4/1214:45 -
1 stop15h 03m
Mon 7/1219:05 -
1 stop33h 15m
Deal found 7/11£424
Wed 9/1214:45 -
1 stop14h 07m
Tue 12/114:07 -
1 stop14h 13m
Deal found 8/11£428
Thu 10/1214:45 -
1 stop14h 07m
Mon 11/114:07 -
1 stop14h 13m
Deal found 8/11£423
Thu 10/1214:45 -
1 stop26h 53m
Thu 24/1210:35 -
1 stop17h 45m
Deal found 7/11£427
One-way flights from United Kingdom to San Francisco
Search for one-way flight options from United Kingdom to San Francisco. Find affordable one-way fares based on user searches. Data last updated 9 November 2026.
Sun 18/411:20 -
2 stops57h 29m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 7/11£306
Sat 5/1217:15 -
3 stops53h 10m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 8/11£310
Sun 6/1217:40 -
2 stops28h 45m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 6/11£312
Thu 21/117:55 -
3 stops30h 10m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 7/11£314
Fri 11/1206:45 -
3 stops40h 00m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 5/11£323
Mon 14/1218:35 -
2 stops52h 10m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 6/11£326
Wed 20/120:20 -
3 stops51h 45m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 6/11£327
Tue 15/1208:50 -
2 stops37h 55m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 6/11£329
Thu 10/1220:50 -
3 stops49h 55m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 9/11£332
Wed 9/1214:05 -
3 stops58h 00m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 5/11£333
Mon 3/515:55 -
2 stops52h 05m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 4/11£340
Mon 16/1121:35 -
3 stops49h 10m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 6/11£343
Find flight deals from United Kingdom to San Francisco
Keep the following information in mind while searching for United Kingdom to San Francisco flight deals. Data was last updated 9 November 2026.
Customise your flight search to find flights from United Kingdom 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 7,457,451 searches. Data last updated 9 November 2026.
Use the filters below to find and compare flights from the United Kingdom to San Francisco that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
Cheapest return flight
GlasgowSan Francisco
GLA Glasgow Intl - SFO San Francisco
GLASFO
Glasgow Intl
Sun 18/4
11:20-12:49
2 stops57h 29m
San Francisco
Wed 31/12
00:00-09:00
Nonstop0h 00m
£306
BirminghamSan Francisco
BHX Birmingham - SFO San Francisco
BHXSFO
Birmingham
Sun 6/12
17:40-14:25
2 stops28h 45m
San Francisco
Wed 31/12
00:00-09:00
Nonstop0h 00m
£312
GlasgowSan Francisco
GLA Glasgow Intl - SFO San Francisco
GLASFO
Glasgow Intl
Mon 3/5
15:55-12:00
2 stops52h 05m
San Francisco
Wed 31/12
00:00-09:00
Nonstop0h 00m
£340
ManchesterSan Francisco
MAN Manchester - SFO San Francisco
MANSFO
Manchester
Fri 19/2
05:50-12:55
3 stops39h 05m
San Francisco
Wed 31/12
00:00-09:00
Nonstop0h 00m
£344
BirminghamSan Francisco
BHX Birmingham - SFO San Francisco
BHXSFO
Birmingham
Sat 5/12
17:15-14:25
2 stops53h 10m
San Francisco
Wed 31/12
00:00-09:00
Nonstop0h 00m
£344
GlasgowSan Francisco
GLA Glasgow Intl - SFO San Francisco
GLASFO
Glasgow Intl
Tue 17/11
09:05-14:45
3 stops37h 40m
San Francisco
Wed 31/12
00:00-09:00
Nonstop0h 00m
£379
LondonSan Francisco
LGW London Gatwick - SFO San Francisco
LGWSFO
London Gatwick
Sun 11/4
21:15-14:35
2 stops49h 20m
San Francisco
Wed 31/12
00:00-09:00
Nonstop0h 00m
£394
LondonSan Francisco
LGW London Gatwick - SFO San Francisco
LGWSFO
London Gatwick
Fri 22/1
09:00-16:30
1 stop15h 30m
San Francisco
Wed 31/12
00:00-09:00
Nonstop0h 00m
£395
LondonSan Francisco
LGW London Gatwick - SFO San Francisco
LGWSFO
London Gatwick
Thu 3/12
10:10-14:45
2 stops60h 35m
San Francisco
Wed 31/12
00:00-09:00
Nonstop0h 00m
£420
LondonSan Francisco
LGW London Gatwick - SFO San Francisco
LGWSFO
London Gatwick
Wed 27/1
19:30-16:30
2 stops29h 00m
San Francisco
Wed 31/12
00:00-09:00
Nonstop0h 00m
£426
Flights are sorted by cheapest return flights first.
Deals found on 7/11
Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6
Best time to book a flight from United Kingdom to San Francisco
Have a flexible travel schedule? Discover the best time to fly to San Francisco from United Kingdom with our price prediction graph.
LHR-SFO
GLA-SFO
LGW-SFO
BHX-SFO
EDI-SFO
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 the United Kingdom to San Francisco
GB0-SFO
LHR-SFO
GLA-SFO
LGW-SFO
BHX-SFO
What is the cheapest month to book a flight from United Kingdom to San Francisco?
Currently, February is the cheapest month in which you can book a flight from United Kingdom to San Francisco (average of £475). Flying from United Kingdom to San Francisco in December is currently the most expensive (average of £645). 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 GB to SFO?
Find hourly flight availability from United Kingdom 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 9 November 2026.
When flying from United Kingdom to San Francisco, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Weekly flight availability from United Kingdom to San Francisco
Explore weekly flight availability from United Kingdom to San Francisco. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 9 November 2026.
The most flights from GB0 to SFO are scheduled on a Monday (32 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (32 on average).
How often are flights from the United Kingdom to San Francisco delayed?
About 13% of weekly flights between United Kingdom and San Francisco have experienced delays in the past year, with the average delay time being 144 minutes.
What is the most punctual flight time for the United Kingdom to San Francisco flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Friday tends to have the lowest number of delays on this route, whereas Wednesday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on the United Kingdom to San Francisco flights?
Over the past year, United Airlines have had the lowest number of delays on this route, with just 11% of flights being delayed.
How far ahead should I book a flight from United Kingdom to San Francisco?
Booking 22 days in advance of your planned departure date is, on average, the best time to get cheap flights from United Kingdom 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 9 November 2026.
Read reviews from past customers who have flown with Virgin Atlantic,Aer Lingus, andUnited Airlines
from the United Kingdom 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.
First time flying with Virgin. It was everything I hoped it would be.
Related info for your journey
Find useful and relevant information for your journey from United Kingdom 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 United Kingdom?
If you book a flight to San Francisco from United Kingdom, you will be flying to San Francisco, which is the city’s only airport. San Francisco (SFO) is located 11.0 mi from the center of San Francisco.
How long is the flight from United Kingdom to San Francisco?
A quick flight from United Kingdom to San Francisco can take about 13h 15m. Alaska Airlines provides one of the quickest options available for as low as £524. Airlines will cover a distance of 5350 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.
What are the cheapest airlines to fly from United Kingdom to San Francisco one-way?
To fly one-way, consider booking your trip with British Airways, which is currently one of the cheapest options available, starting at £210. Virgin Atlantic flights start at £244 while deals on Alaska Airlines start at £259 one-way.
What are the most popular routes from United Kingdom to San Francisco?
Most travelers choose London Heathrow - San Francisco, London Gatwick - San Francisco or London City - San Francisco when deciding on the best route from United Kingdom to San Francisco.
What are the most reliable airlines from United Kingdom to San Francisco?
The top 3 most reliable airlines when flying from United Kingdom to San Francisco are Air Canada (79%), Austrian Airlines (79%) and United Airlines (79%).
What are the cheapest flights from United Kingdom to San Francisco?
On average you can expect to pay £1,154 for a flight from United Kingdom to San Francisco. The cheapest flight overall is £371 while the most popular route, (London Heathrow - San Francisco) is currently priced at £474.
Can I find deals for flights from United Kingdom to San Francisco that include hotel bookings?
Yes. In addition to deals on United Kingdom to San Francisco flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from United Kingdom to San Francisco?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from United Kingdom to San Francisco.
Can I find deals for business class flights from United Kingdom to San Francisco?
Yes. Cheapflights offers flight deals from United Kingdom 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 United Kingdom to San Francisco?
Currently, February is the cheapest month in which you can book a flight from United Kingdom to San Francisco (average of £475). Flying from United Kingdom to San Francisco in December is currently the most expensive (average of £645). 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.
Explore flights to San Francisco departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 9 November 2026.
Top 10 airlines flying from United Kingdom to San Francisco
Discover the top 10 airlines that operate flights from United Kingdom 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 7,457,451 searches. Data last updated 9 November 2026.
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 from United Kingdom to San Francisco?
Cheapflights makes it easy to find United Kingdom to San Francisco flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.
Why should you use Cheapflights to find cheap flight tickets from United Kingdom to San Francisco?
It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from United Kingdom to San Francisco.
Can Cheapflights find flights from United Kingdom to San Francisco with no change fees?
Yes, we can. To see specific flights from United Kingdom to San Francisco with no change fees, users can toggle flexible booking options after using the search form above to find flights.
Can Cheapflights notify me if prices for flights from United Kingdom to San Francisco become cheaper?
Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!
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.
We value your privacy
Cheapflights and its partners wish to use cookies or similar technologies to store and/or access information on and about your device and process personal data such as your IP address, device identifiers etc., in order to improve your experience on the site, to analyse navigation, to offer and measure personalised advertising, and to facilitate sharing on social networks. We also allow the use of third-party cookies (including those from our advertising partners) on our sites.
By clicking 'Accept', you consent to your data being processed by 0 vendors on this web site for the purposes described in this notice. You can review the vendors and their individual processing purposes on the .
To review individual processing purposes and cookie categories, please click ’Select individual purposes’. You can review your choices and withdraw your consent at any time by clicking the ’Privacy Preferences’ link in the page side navigation.