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$384+ Cheap flights from San Francisco (SFO) to London (LON)

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 12/9. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — LON
Jan 3 — Jan 101
Sat 1/3
Sat 1/10
1 adult, Economy
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Cheapflights Tip: The best prices from San Francisco to London are usually found in September or October, booked 88 days in advance, depart on a Wednesday or Monday and return on a Thursday

Cheap flight deals from San Francisco to London

Cheapest flights from San Francisco to London
Explore the most affordable flight options available from San Francisco to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 4, 2025.

This Delta deal was found by Cheapflights users on 12/2. 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 12/104:30 pmSFO - LHR
Nonstop10h 10mDelta
Fri 1/99:40 amLHR - SFO
1 stop20h 02mDelta
Deal found 12/2$592
This Delta deal was found by Cheapflights users on 12/4. 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 12/104:30 pmSFO - LHR
Nonstop10h 10mDelta
Thu 12/185:20 pmLHR - SFO
1 stop22h 10mDelta
Deal found 12/4$593
This Cheapflightsfares deal was found by Cheapflights users on 12/2. 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.
Tue 12/308:40 pmSFO - LHR
Nonstop10h 30mBritish Airways
Mon 1/263:25 pmLHR - SFO
Nonstop11h 20mBritish Airways
Deal found 12/2$594
This Kiwi.com deal was found by Cheapflights users on 12/3. 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.
Thu 12/44:15 pmSFO - LHR
1 stop13h 15mLufthansa
Thu 12/117:30 amLHR - SFO
1 stop16h 25mLufthansa
Deal found 12/3$595
This Flysmarter deal was found by Cheapflights users on 12/2. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/912:50 pmSFO - LHR
Nonstop10h 35mLufthansa
Tue 12/1610:05 amLHR - SFO
Nonstop11h 15mLufthansa
Deal found 12/2$596
This KAYAK deal was found by Cheapflights users on 12/2. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/97:25 pmSFO - LGW
1 stop14h 25mSWISS
Tue 8/186:35 pmLGW - SFO
1 stop29h 35mSWISS
Deal found 12/2$597
This Cheapflightsfares deal was found by Cheapflights users on 12/2. 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 12/106:50 pmSFO - LCY
1 stop13h 50mMultiple Airlines
Thu 1/159:15 amLCY - SFO
1 stop15h 15mMultiple Airlines
Deal found 12/2$598
This Cheapflightsfares deal was found by Cheapflights users on 12/3. 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 12/31:30 pmSFO - LHR
1 stop18h 20mLufthansa
Wed 12/106:35 amLHR - SFO
2 stops17h 20mLufthansa
Deal found 12/3$599
This Kiwi.com deal was found by Cheapflights users on 12/3. 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.
Tue 12/3012:00 pmSFO - LHR
2 stops35h 10mAustrian Airlines
Sat 1/108:00 amLHR - SFO
1 stop19h 55mAustrian Airlines
Deal found 12/3$600
This Mytrip deal was found by Cheapflights users on 12/2. 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.
Tue 12/98:25 amSFO - STN
2 stops30h 00mMultiple Airlines
Tue 12/165:55 amSTN - SFO
3 stops23h 44mMultiple Airlines
Deal found 12/2$601
This KAYAK deal was found by Cheapflights users on 12/2. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/97:25 pmSFO - LHR
1 stop14h 25mSWISS
Thu 8/208:05 pmLHR - SFO
1 stop28h 05mSWISS
Deal found 12/2$601
This Cheapflightsfares deal was found by Cheapflights users on 12/3. 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 12/44:15 pmSFO - LHR
1 stop13h 15mMultiple Airlines
Tue 12/99:00 amLHR - SFO
1 stop15h 30mMultiple Airlines
Deal found 12/3$602

Find flight deals from San Francisco to London

Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to London (LON). 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 December 4, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

Gurufare
3 stars

Round-trip from

$590
(United Airlines)

One-way from

$384
(Booking.com)

Popular in

June

Cheapest in

September

Average price

$877

Good round-trip deal

$701 or less

Good one-way deal

$402 or less
Provider with most accurate pricing for San Francisco-London (LON) flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Francisco-London (LON) flights.
Search Deals
From San Francisco to London (LON)
Search Deals
One-way flight from San Francisco to London (LON)
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($151 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($27 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from San Francisco to London (LON).
Search Deals
Price to beat on a one-way flight from San Francisco to London (LON).
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Francisco to London 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 December 4, 2025.
Use the filters below to find and compare flights from San Francisco to London that are best for you.

Fly from

San Francisco

Fly to

London

Route

Depart

Return

Price

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Mon 3/16

6:25 pm-12:00 pm

Nonstop10h 35m

London Heathrow

Wed 4/1

10:50 am-7:00 pm

1 stop16h 10m

$594

San FranciscoLondon

SFO - LTN

SFOLTN

San Francisco

Sat 1/17

4:40 pm-10:55 pm

2 stops22h 15m

London Luton

Sat 1/24

8:50 pm-2:35 pm

2 stops25h 45m

$595

San FranciscoLondon

SFO - STN

SFOSTN

San Francisco

Tue 2/3

2:40 pm-10:25 pm

2 stops23h 45m

London Stansted

Wed 2/11

2:25 pm-12:40 pm

2 stops30h 15m

$597

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Thu 1/8

12:50 pm-7:25 am

Nonstop10h 35m

London Heathrow

Wed 1/14

9:00 am-4:30 pm

1 stop15h 30m

$598

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Thu 2/26

12:50 pm-7:25 am

Nonstop10h 35m

London Heathrow

Mon 3/2

1:45 pm-4:30 pm

1 stop34h 45m

$598

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Wed 2/18

4:02 pm-5:40 pm

2 stops17h 38m

London Heathrow

Mon 2/23

7:30 pm-11:02 pm

2 stops35h 32m

$599

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

Sat 1/24

4:35 pm-9:50 am

1 stop33h 15m

London Gatwick

Sat 1/31

10:10 am-2:35 pm

2 stops60h 25m

$605

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Wed 4/8

9:15 am-7:15 am

1 stop14h 00m

London Heathrow

Fri 4/17

6:30 am-11:45 am

1 stop13h 15m

$605

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Tue 4/7

4:46 pm-2:15 pm

1 stop13h 29m

London Heathrow

Wed 4/22

6:30 am-11:45 am

1 stop13h 15m

$605

San FranciscoLondon

SFO - LTN

SFOLTN

San Francisco

Tue 1/20

8:30 am-11:10 pm

3 stops30h 40m

London Luton

Mon 1/26

2:30 pm-12:40 pm

2 stops30h 10m

$606

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/4

Showing 1-10 of 60 results
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Compare providers for flights from San Francisco to London

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Francisco to London in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars
JetabroadPrice Accuracy3 starsTrust Score*1 star
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
Thrive TravelPrice Accuracy3 starsTrust Score*1 star
GurufarePrice Accuracy2 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on San Francisco-London flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on San Francisco-London flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from San Francisco-London flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Francisco-London flights, Cheapflights users trust Gurufare the most. Gurufare has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Francisco-London flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from San Francisco to London

Have a flexible travel schedule? Discover the best time to fly to London 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 London

How far ahead should I book a flight from San Francisco to London?

Use this chart to determine the optimal time to book a round-trip flight from San Francisco to London. Price data was last updated on November 28, 2025.

The price you pay for your flight from San Francisco to London may vary depending on when you book. For the best chance of a lower fare, look to book 88 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from San Francisco to London?

Currently, December is the cheapest month in which you can book a flight from San Francisco to London (average of $460). Flying from San Francisco to London in June is currently the most expensive (average of $807). 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 LON?

Find hourly flight availability from San Francisco to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 4, 2025.

One of the essential ways to save on airfare from San Francisco to London is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the afternoon could potentially save you up to 17% on airfare.

What is the cheapest day to fly from San Francisco to London?

Use this chart to determine the cheapest time to fly round-trip from San Francisco to London. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their San Francisco to London flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Wednesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from San Francisco to London

Explore weekly flight availability from San Francisco to London. 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 December 4, 2025.

The most flights from SFO to LON are scheduled on a Tuesday (31 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (26 on average).

How much does it cost to fly round-trip from San Francisco to London?

What’s the top layover airport for flights from San Francisco to London?

Share of 1-stop round-trip flights from San Francisco to London chosen by Cheapflights users in the past 12 months, using the same layover each way.

New York (JFK) – chosen by Cheapflights users on 50% of 1-stop itineraries from San Francisco to London on Cheapflights.

What’s the cheapest layover airport for flights from San Francisco to London?

Average round-trip fare for 1-stop flights from San Francisco to London, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Dublin (DUB) is the most affordable 1-stop option, with an average round-trip price of $598.

What’s the fastest layover option from San Francisco to London?

Shortest average travel time for 1-stop one-way flights from San Francisco to London, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Dublin (DUB) have the shortest average one-way travel time for 1-stop routes: 13h 10m.

Which airport typically offers the quickest layover for flights from San Francisco to London?

Average layover duration for 1-stop one-way flights from San Francisco to London, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Zurich (ZRH) offer the fastest connection on this route, with an average layover time of 1h 05m.

How often are flights from San Francisco to London delayed?

About 12% of weekly flights between San Francisco and London have experienced delays in the past year, with the average delay time being 157 minutes.

What is the most punctual flight time for San Francisco to London flights?

Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Monday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on San Francisco to London flights?

Over the last year, Virgin Atlantic have had the lowest number of delays on this route, with just 9% of flights being delayed.

The best insider tips for San Francisco to London flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your San Francisco to London trip
Airlines
United Airlines

United's Polaris Class offers lie-flat seats, Saks bedding, and upscale amenities for long-haul flights.


United's Premium Plus offers extra legroom, upgraded meals, and priority check-in on international routes.

Read more about United Airlinesby Harriet Baskas
British Airways

BA's Club Suite offers privacy with solo pods and a door, ideal for long-haul comfort.


BA's World Traveller Plus offers extra width, legroom, and upgraded service in a dedicated cabin.

Read more about British Airwaysby Gabriel Leigh
Virgin Atlantic

Virgin's Economy Delight offers extra legroom, priority boarding, and a checked bag included.


Virgin's Upper Class includes lie-flat beds and a four-course meal, enhancing long-haul comfort.

Read more about Virgin Atlanticby Blane Bachelor
Lufthansa

Lufthansa's Allegris Economy offers enhanced comfort with slim seats and adjustable headrests.


Lufthansa's Premium Economy offers hard-shell seats with generous recline, ideal for long-haul comfort.

Read more about Lufthansaby Blane Bachelor
Airports
SFO

Save time by ordering meals for pickup through the SFO2Go program during busy times.

Read more about SFOby Harriet Baskas
LHR

Take the Heathrow Express for the fastest route to central London, reaching Paddington Station quickly.

Read more about LHRby Ramsey Qubein
Our travel experts
Harriet Baskas

Harriet Baskas

Expert on United Airlines and SFO

Harriet Baskas

Harriet Baskas

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Read more
Gabriel Leigh

Gabriel Leigh

Expert on British Airways

Gabriel Leigh

Gabriel Leigh

Gabriel is a writer and video creator. As senior content producer for Flightradar24 and Monocle’s transport correspondent, he keeps a close eye on aviation in particular. He has also written travel articles for the likes of The New York Times. Born in New York but raised around the world, he now lives in Sweden. He’s been to 75 countries, flying 2.3 million miles on 113 airlines and through 234 airports in the process.

Read more
Blane Bachelor

Blane Bachelor

Expert on Virgin Atlantic and Lufthansa

Blane Bachelor

Blane Bachelor

Blane Bachelor is a journalist and editor specializing in travel and aviation who writes regularly for top global outlets. Born and raised in Florida, Blane has worked and lived in four countries, including the Netherlands, where she’s currently based with her family. Her favorite way to get to know a new destination is by running or riding a bike around town – or hearing a spooky ghost story about local history. She will always choose the window seat.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on LHR

Ramsey Qubein

Ramsey Qubein

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. 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 London. Reviews last updated December 4, 2025.
Read reviews from past customers who have flown Delta, Virgin Atlantic, and United Airlines from San Francisco to London. 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.
Delta
7.9
Good
8,011 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.9

Food

7.3

Comfort

7.9

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
7.9
Good
8,011 reviews
Delta
7.9
Good
8,011 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.9

Food

7.3

Comfort

7.9

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Virgin Atlantic
7.5
Good
675 reviews
Delta
7.9
Good
8,011 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.9

Food

7.3

Comfort

7.9

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
9,065 reviews
Delta
7.9
Good
8,011 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.9

Food

7.3

Comfort

7.9

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Iberia
7.0
Good
3,040 reviews
Delta
7.9
Good
8,011 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.9

Food

7.3

Comfort

7.9

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
British Airways
6.7
Okay
7,562 reviews
Delta
7.9
Good
8,011 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.9

Food

7.3

Comfort

7.9

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from San Francisco to London. 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 from for flights from San Francisco to London?

    Most people fly from San Francisco (SFO) if they book a flight from San Francisco to London. On average, San Francisco has 30 outbound flights to London per day from 18 airlines. San Francisco is conveniently located just 11.8 mi from San Francisco’s city center.

  • How long is the flight from San Francisco to London?

    A quick flight from San Francisco to London can take about 10h 35m. United Airlines provides one of the quickest options available for as low as $594. The distance between San Francisco and London is about 5350 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from San Francisco to London round-trip?

    Currently priced at $151, JetBlue will fly you from San Francisco to London and back. In addition to JetBlue, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Scandinavian Airlines and TAP AIR PORTUGAL - these airlines can fly you to your destination from $264 and $339, respectively. You may be able to fly from San Francisco to London for 80% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from San Francisco to London one-way?

    For one-way options, check prices for JetBlue. According to our data, you can fly for as low as $185. Users have also found prices from $192 and $206 on Aer Lingus and WestJet, respectively.

  • What are the most popular routes from San Francisco to London?

    The most popular route from San Francisco to London is San Francisco - London Heathrow. You may also consider San Francisco - London Gatwick or San Francisco - London City.

  • What are the most reliable airlines from San Francisco to London?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from San Francisco to London on time: American Airlines (90%), Aer Lingus (90%), Alaska Airlines (90%).

  • What are the cheapest flights from San Francisco to London?

    On average you can expect to pay $2,606 for a flight from San Francisco to London. The cheapest flight overall is $346 while the most popular route, (San Francisco - London Heathrow) is currently priced at $415.

  • Where are the most common layover locations when flying from San Francisco to London?

    San Francisco to London flights have a layover in Copenhagen most of the time. Copenhagen is followed by Los Angeles in terms of the most popular layover location on flights from San Francisco to London. Dublin sees the third most layovers on flights from San Francisco to London.

  • What are some popular things to do or see while on a layover in Copenhagen?

    Tivoli, Rådhuspladsen, and Tøjhusmuseet are the most popular attractions in Copenhagen if you're in need of something to do during your layover. Tivoli, Rådhuspladsen, and Tøjhusmuseet can be accessed by traveling approximately 5.3 mi, 5.2 mi, and 4.8 mi, respectively from Kastrup Copenhagen. Travelers can book a car rental at Kastrup Copenhagen for about $35 per day to make their sightseeing more efficient.

  • What are some popular points of interest to see during a layover in Los Angeles?

    Hollywood Bowl, Hollywood Walk of Fame, and L.A. Live are currently the most popular points of interest in Los Angeles at the moment. Hollywood Bowl, Hollywood Walk of Fame, and L.A. Live can be accessed by traveling approximately 12.5 mi, 11.7 mi, and 10.8 mi, respectively from Los Angeles. Travelers in need of a car in Los Angeles can rent one for about $39 per day.

  • What are points of interest worth seeing during a layover in Dublin?

    Most Dublin visitors opt to spend their time at St. Patrick's Cathedral, Glasnevin Cemetery, and Merrion Square. St. Patrick's Cathedral, Glasnevin Cemetery, and Merrion Square can be accessed by traveling approximately 6.1 mi, 3.9 mi, and 6.0 mi, respectively from Dublin. Travelers can book a car rental at Dublin for about $20 per day to make their sightseeing more efficient.

  • Where are the least popular layover locations for San Francisco to London flights?

    San Francisco to London flights that have layovers will least frequently stop in Lisbon. Chicago sees the next fewest layovers on San Francisco to London flights. Dublin sees the third fewest flights with layovers for the San Francisco to London route.

  • Can I find deals for flights from San Francisco to London that include hotel bookings?

    Yes. In addition to deals on San Francisco to London flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Francisco to London?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Francisco to London.

  • Can I find deals for business class flights from San Francisco to London?

    Yes. Cheapflights offers flight deals from San Francisco to London 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 San Francisco to London?

    Currently, December is the cheapest month in which you can book a flight from San Francisco to London (average of $460). Flying from San Francisco to London in June is currently the most expensive (average of $807). 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.

See more FAQs

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Ilford
Hounslow
Hayes
Southend-on-Sea
Harrow
Eastleigh
Dartford
Dover
Winchester
Croydon
Orpington
Watford
Borehamwood
Aylesbury
Chipping Norton
Kingston upon Thames
Wembley
Folkestone
Eastbourne
Sutton

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Alternative routes for San Francisco to London

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from San Francisco to London

Discover the top 10 airlines that operate flights from San Francisco to London. 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 December 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$151Average$843FlexibilityNo cancel feeOn-time62%
Scandinavian AirlinesCheapest$361Average$579FlexibilityNo cancel feeOn-time77%
TAP AIR PORTUGALCheapest$371Average$559FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$459Average$1,209FlexibilityNo cancel feeOn-time76%
Alaska AirlinesCheapest$494Average$655FlexibilityNo cancel feeOn-time75%
SWISSCheapest$513Average$757FlexibilityNo cancel feeOn-time79%
British AirwaysCheapest$514Average$711FlexibilityNo cancel feeOn-time70%
DeltaCheapest$541Average$835FlexibilityNo cancel feeOn-timeN/A
Virgin AtlanticCheapest$570Average$843FlexibilityNo cancel feeOn-time72%
United AirlinesCheapest$571Average$863FlexibilityNo cancel feeOn-time69%

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