$283+ 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 7/15. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — LHR
May 6 — May 131
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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 May 1, 2025.
Most accurate provider | AranGrant 3 stars |
|---|---|
Most trusted provider | AranGrant 3 stars |
Round-trip from | $575 (oojo) |
One-way from | $283 (Kiwi.com) |
Popular in | June |
Cheapest in | October |
Average price | $790 |
Good round-trip deal | $734 or less |
Good one-way deal | $467 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 May 1, 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 May 1, 2025.
This American Airlines deal was found by Cheapflights users on 4/29. 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 9/34:35 pmSFO - GLA
1 stop13h 40mAmerican Airlines
Wed 9/248:40 amGLA - SFO
1 stop16h 45mAmerican Airlines
Deal found 4/29![American Airlines logo]()
$568
This American Airlines deal was found by Cheapflights users on 4/30. 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 5/77:30 pmSFO - GLA
1 stop18h 50mMultiple Airlines
Thu 5/227:00 amGLA - SFO
1 stop14h 50mMultiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$579
This Expedia deal was found by Cheapflights users on 4/29. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/107:20 pmSFO - GLA
1 stop17h 00mIberia
Fri 10/177:00 amGLA - SFO
1 stop14h 50mIberia
Deal found 4/29![Iberia logo]()
$598
This Cheapflightsfares deal was found by Cheapflights users on 4/30. 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.
Sat 9/134:35 pmSFO - GLA
1 stop16h 20mBritish Airways
Sat 9/276:55 amGLA - SFO
1 stop14h 55mBritish Airways
Deal found 4/30![British Airways logo]()
$605
This Cheapflightsfares deal was found by Cheapflights users on 4/30. 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.
Thu 8/218:13 amSFO - LHR
1 stop14h 12mIberia
Sat 9/202:45 pmLHR - SFO
1 stop15h 12mIberia
Deal found 4/30![Iberia logo]()
$642
This Gotogate deal was found by Cheapflights users on 4/30. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/48:15 amSFO - LHR
1 stop14h 15mAir Canada
Tue 5/208:45 amLHR - SFO
2 stops19h 25mAir Canada
Deal found 4/30![Air Canada logo]()
$643
This Delta deal was found by Cheapflights users on 4/29. 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.
Wed 5/144:05 pmSFO - LHR
Nonstop10h 20mDelta
Wed 5/284:25 pmLHR - SFO
Nonstop11h 05mDelta
Deal found 4/29![Delta logo]()
$644
This Mytrip deal was found by Cheapflights users on 4/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/84:30 pmSFO - STN
2 stops22h 20mMultiple Airlines
Mon 5/126:25 pmSTN - SFO
2 stops28h 05mMultiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$645
This TAP AIR PORTUGAL deal was found by Cheapflights users on 4/30. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/254:20 pmSFO - LGW
1 stop33h 25mTAP AIR PORTUGAL
Sat 10/119:15 pmLGW - SFO
2 stops49h 15mTAP AIR PORTUGAL
Deal found 4/30![TAP AIR PORTUGAL logo]()
$646
This Air Canada deal was found by Cheapflights users on 4/30. 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.
Mon 10/68:30 amSFO - LHR
1 stop17h 05mMultiple Airlines
Fri 10/246:30 amLHR - SFO
2 stops19h 09mMultiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$648
This Gotogate deal was found by Cheapflights users on 4/30. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/87:30 pmSFO - LGW
1 stop14h 20mSWISS
Wed 5/216:35 pmLGW - SFO
1 stop29h 35mSWISS
Deal found 4/30![SWISS logo]()
$650
This Ovago deal was found by Cheapflights users on 4/30. 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.
Sat 5/1710:20 pmSFO - LGW
1 stop25h 30mBritish Airways
Tue 5/273:05 pmLGW - SFO
1 stop17h 01mBritish Airways
Deal found 4/30![British Airways logo]()
$651
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 May 1, 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 5/7
7:30 pm-10:20 pm
1 stop18h 50m
Glasgow Intl
Thu 5/22
7:00 am-1:50 pm
1 stop14h 50m
$579
San FranciscoGlasgow
SFO - GLA
SFOGLA
San Francisco
Thu 5/8
4:20 pm-5:30 pm
1 stop17h 10m
Glasgow Intl
Sun 5/11
5:55 am-1:50 pm
1 stop15h 55m
$628
San FranciscoLondon
SFO - LHR
SFOLHR
San Francisco
Thu 8/21
8:13 am-6:25 am
1 stop14h 12m
London Heathrow
Sat 9/20
2:45 pm-9:57 pm
1 stop15h 12m
$642
San FranciscoLondon
SFO - LHR
SFOLHR
San Francisco
Thu 8/21
7:40 pm-9:35 am
2 stops29h 55m
London Heathrow
Mon 8/25
6:40 am-4:30 pm
1 stop17h 50m
$643
San FranciscoLondon
SFO - LHR
SFOLHR
San Francisco
Wed 5/14
4:05 pm-10:25 am
Nonstop10h 20m
London Heathrow
Tue 5/27
11:15 am-2:15 pm
Nonstop11h 00m
$644
San FranciscoLondon
SFO - STN
SFOSTN
San Francisco
Thu 5/8
4:30 pm-10:50 pm
2 stops22h 20m
London Stansted
Mon 5/12
6:25 pm-2:30 pm
2 stops28h 05m
$645
San FranciscoLondon
SFO - LGW
SFOLGW
San Francisco
Thu 9/25
4:20 pm-9:45 am
1 stop33h 25m
London Gatwick
Sat 10/11
9:15 pm-2:30 pm
2 stops49h 15m
$646
San FranciscoGlasgow
SFO - GLA
SFOGLA
San Francisco
Wed 5/7
7:30 pm-5:50 pm
1 stop14h 20m
Glasgow Intl
Thu 5/22
7:00 am-5:15 pm
1 stop18h 15m
$650
San FranciscoLondon
SFO - LGW
SFOLGW
San Francisco
Sat 5/17
10:20 pm-7:50 am
1 stop25h 30m
London Gatwick
Tue 5/27
3:05 pm-12:06 am
1 stop17h 01m
$651
San FranciscoLondon
SFO - LHR
SFOLHR
San Francisco
Fri 8/22
11:22 am-10:05 am
1 stop14h 43m
London Heathrow
Mon 9/1
8:50 am-3:55 pm
1 stop15h 05m
$651
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 $1,103). 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 May 1, 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 May 1, 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 May 1, 2025.
Peruse reviews from past customers who have flown with Delta, KLM and Air Transat 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.
Entertainment
7.9
Food
7.3
Crew
8.5
Comfort
7.9
Overall
8.0
Boarding
8.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Entertainment
7.9
Food
7.3
Crew
8.5
Comfort
7.9
Overall
8.0
Boarding
8.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Entertainment
7.9
Food
7.3
Crew
8.5
Comfort
7.9
Overall
8.0
Boarding
8.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Entertainment
7.9
Food
7.3
Crew
8.5
Comfort
7.9
Overall
8.0
Boarding
8.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Entertainment
7.9
Food
7.3
Crew
8.5
Comfort
7.9
Overall
8.0
Boarding
8.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Entertainment
7.9
Food
7.3
Crew
8.5
Comfort
7.9
Overall
8.0
Boarding
8.2
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 May 1, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$326 | Average$690 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$428 | Average$552 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$465 | Average$666 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$527 | Average$898 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$541 | Average$796 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$562 | Average$874 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$572 | Average$671 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$584 | Average$1,104 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$586 | Average$1,052 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$588 | Average$1,045 | FlexibilityNo cancel fee | On-time76% |