$265+ Cheap flights from San Francisco (SFO) to the United Kingdom
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 8/14. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — LHR
Jun 17 — Jun 241
1 adult, Economy
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Find cheap flights from San Francisco to United Kingdom with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from San Francisco to United Kingdom
Keep the following information in mind while searching for San Francisco to United Kingdom flight deals. Data was last updated June 12, 2025.
Round-trip from | $590 (Cheapflightsfares) |
|---|---|
One-way from | $265 (Kiwi.com) |
Popular in | June |
Cheapest in | October |
Average price | $1,037 |
Good round-trip deal | $675 or less |
Good one-way deal | $443 or less |
Find flight deals from San Francisco to United Kingdom
Cheapest flights from San Francisco to United KingdomExplore the most affordable flight options available from San Francisco to United Kingdom. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.
Explore the most affordable flight options available from San Francisco to United Kingdom. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.
This Cheapflightsfares deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/204:30 pmSFO - GLA
1 stop13h 45mBritish Airways
Wed 8/2710:35 amGLA - SFO
1 stop14h 50mBritish Airways
Deal found 6/12![British Airways logo]()
$590
This American Airlines deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/204:35 pmSFO - GLA
1 stop17h 15mAmerican Airlines
Wed 8/278:40 amGLA - SFO
2 stops18h 27mAmerican Airlines
Deal found 6/12![American Airlines logo]()
$623
This Kiwi.com deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/146:00 amSFO - LGW
1 stop20h 55mMultiple Airlines
Fri 9/2610:55 amLGW - SFO
1 stop15h 18mMultiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$682
This Air Canada deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/211:25 pmSFO - LHR
2 stops23h 10mAir Canada
Tue 8/123:50 pmLHR - SFO
2 stops34h 48mAir Canada
Deal found 6/10![Air Canada logo]()
$685
This Delta deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/51:45 pmSFO - LCY
1 stop33h 30mDelta
Fri 8/810:00 amLCY - SFO
2 stops22h 19mDelta
Deal found 6/11![Delta logo]()
$686
This Ovago deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/317:30 pmSFO - LGW
1 stop14h 20mSWISS
Tue 8/196:35 pmLGW - SFO
1 stop29h 35mSWISS
Deal found 6/12![SWISS logo]()
$686
This KLM deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/241:45 pmSFO - LHR
1 stop13h 00mKLM
Tue 7/2912:25 pmLHR - SFO
1 stop17h 00mKLM
Deal found 6/12![KLM logo]()
$686
This Kiwi.com deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/247:30 pmSFO - LCY
1 stop13h 45mSWISS
Wed 10/19:25 amLCY - SFO
1 stop14h 45mSWISS
Deal found 6/10![SWISS logo]()
$687
This United Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/208:40 amSFO - LHR
1 stop14h 30mUnited Airlines
Sat 11/292:30 pmLHR - SFO
1 stop30h 00mUnited Airlines
Deal found 6/11![United Airlines logo]()
$687
This Austrian Airlines deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/231:55 pmSFO - LHR
1 stop13h 55mAustrian Airlines
Fri 9/196:00 amLHR - SFO
2 stops20h 28mAustrian Airlines
Deal found 6/12![Austrian Airlines logo]()
$688
This Delta deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/217:05 amSFO - LGW
1 stop18h 55mDelta
Wed 7/3012:00 pmLGW - SFO
1 stop16h 53mDelta
Deal found 6/12![Delta logo]()
$689
This American Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/27:20 pmSFO - LHR
Nonstop10h 25mAmerican Airlines
Sat 10/187:40 amLHR - SFO
1 stop16h 15mAmerican Airlines
Deal found 6/11![American Airlines logo]()
$689
Cheapflights Fare Finder
Customize your flight search to find flights from San Francisco to United Kingdom 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 2,558,603 searches. Data last updated June 12, 2025.
Use the filters below to find and compare flights from San Francisco to the United Kingdom that are best for you.
Fly from
San Francisco
Fly to
United Kingdom
Route
Depart
Return
Price
San FranciscoGlasgow
SFO - GLA
SFOGLA
San Francisco
Wed 8/20
4:30 pm-2:15 pm
1 stop13h 45m
Glasgow Intl
Wed 8/27
10:35 am-5:25 pm
1 stop14h 50m
$590
San FranciscoGlasgow
SFO - GLA
SFOGLA
San Francisco
Wed 8/20
4:35 pm-5:50 pm
1 stop17h 15m
Glasgow Intl
Wed 8/27
8:40 am-7:07 pm
2 stops18h 27m
$623
San FranciscoLondon
SFO - LGW
SFOLGW
San Francisco
Wed 8/13
11:00 am-10:55 am
1 stop15h 55m
London Gatwick
Fri 8/22
10:55 am-6:13 pm
1 stop15h 18m
$685
San FranciscoLondon
SFO - LHR
SFOLHR
San Francisco
Sat 8/2
11:25 pm-6:35 am
2 stops23h 10m
London Heathrow
Tue 8/12
3:50 pm-6:38 pm
2 stops34h 48m
$685
San FranciscoLondon
SFO - LCY
SFOLCY
San Francisco
Sat 7/5
1:45 pm-8:50 am
1 stop35h 05m
London City
Mon 8/11
9:20 am-4:06 pm
2 stops38h 46m
$686
San FranciscoLondon
SFO - LGW
SFOLGW
San Francisco
Thu 7/31
7:30 pm-5:50 pm
1 stop14h 20m
London Gatwick
Tue 8/19
6:35 pm-4:10 pm
1 stop29h 35m
$686
San FranciscoLondon
SFO - LHR
SFOLHR
San Francisco
Thu 7/24
1:45 pm-10:45 am
1 stop13h 00m
London Heathrow
Tue 7/29
12:25 pm-9:25 pm
1 stop17h 00m
$686
San FranciscoLondon
SFO - LHR
SFOLHR
San Francisco
Thu 11/20
8:40 am-7:10 am
1 stop14h 30m
London Heathrow
Sat 11/29
2:30 pm-12:30 pm
1 stop30h 00m
$687
San FranciscoLondon
SFO - LCY
SFOLCY
San Francisco
Wed 9/24
7:30 pm-5:15 pm
1 stop13h 45m
London City
Wed 10/1
9:25 am-4:10 pm
1 stop14h 45m
$687
San FranciscoLondon
SFO - LHR
SFOLHR
San Francisco
Sat 8/23
1:55 pm-11:50 am
1 stop13h 55m
London Heathrow
Fri 9/19
6:00 am-6:28 pm
2 stops20h 28m
$688
Showing 1-10 of 60 results
Best time to book a flight from San Francisco to United Kingdom
Have a flexible travel schedule? Discover the best time to fly to United Kingdom from San Francisco with our price prediction graph.
Estimated round-trip 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 San Francisco to the United Kingdom
What is the cheapest month to book a flight from San Francisco to United Kingdom?
Currently, November is the cheapest month in which you can book a flight from San Francisco to United Kingdom (average of $661). Flying from San Francisco to United Kingdom in June is currently the most expensive (average of $1,108). 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 SFO to GB?
Find hourly flight availability from San Francisco to United Kingdom. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.
When flying from San Francisco to United Kingdom, 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 San Francisco to United Kingdom
Explore weekly flight availability from San Francisco to United Kingdom. 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 June 12, 2025.
The most flights from SFO to GB0 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).
Rainfall in United Kingdom by month
Plan your trip to United Kingdom by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in United Kingdom ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit United Kingdom when rainfall is around 1.6 in.
Temperature in United Kingdom by month
Plan your trip to United Kingdom by taking into account the average temperature totals by month.
If weather is an important factor for your trip to United Kingdom, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).
Reviews of airlines servicing United Kingdom
Get insights into the airlines that provide service to United Kingdom. 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 United Kingdom. Reviews last updated June 12, 2025.
Peruse reviews from past customers who have flown with Delta, Porter Airlines and KLM from San Francisco to United Kingdom to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.3
Boarding
8.2
Comfort
7.9
Overall
8.0
Entertainment
7.9
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Food
7.3
Boarding
8.2
Comfort
7.9
Overall
8.0
Entertainment
7.9
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Food
7.3
Boarding
8.2
Comfort
7.9
Overall
8.0
Entertainment
7.9
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Food
7.3
Boarding
8.2
Comfort
7.9
Overall
8.0
Entertainment
7.9
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Food
7.3
Boarding
8.2
Comfort
7.9
Overall
8.0
Entertainment
7.9
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Food
7.3
Boarding
8.2
Comfort
7.9
Overall
8.0
Entertainment
7.9
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Related info for your journey
Find useful and relevant information for your journey from San Francisco to United Kingdom. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for San Francisco to United Kingdom
See prices for flight routes from nearby airports that may be better suited for you.
Top 10 airlines flying from San Francisco to United Kingdom
Discover the top 10 airlines that operate flights from San Francisco to United Kingdom. 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 2,558,603 searches. Data last updated June 12, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$290 | Average$832 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$332 | Average$680 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$465 | Average$667 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$487 | Average$597 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$527 | Average$898 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$541 | Average$774 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$562 | Average$865 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$572 | Average$675 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$577 | Average$970 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$584 | Average$1,004 | FlexibilityNo cancel fee | On-time62% |