SFO - LON

$441 Find Cheap Flights from San Francisco to London

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from San Francisco to London departing on 7/23. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to London

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from San Francisco to London.
These are the airlines KAYAK users have selected most often from within our search results in flight searches from San Francisco to London.
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Everything you should know

Cheapest round-trip
$751
Typical prices: $835-$605
Scandinavian Airlines
Tue 9/15Tue 9/22
SFO - LHR • 1 stop
Cheapest non-stop
$838
Typical prices: $980-$704
British Airways
Tue 7/28Wed 8/19
SFO - LHR • Non-stop
Advice from real travelers
AI-powered summary based on content written by travel experts and KAYAK users. AI can make mistakes.
SFO's curbside check-in eases travel for families.
Virgin Atlantic's Terminal 3 speeds up customs clearance.
Expert advice
Expert advice
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Expert advice
Expert advice
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Top airlines
Cheapest • from $751 (round-trip)
Best reviews • 7.9 score
Airline reviews
Airline reviews
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Airline reviews
Airline reviews
+1
Nonstop flights
You can fly direct with British Airways, United Airlines and Virgin Atlantic. Average duration is 10h 27m
Direct flights
Direct flights
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Direct flights
Direct flights
+1
Top routes
Cheapest
Most popular
Insights
Insights
Insights
Insights
Avoid delays
Most punctual • 91% on-time
Best time • Fewest delays
Insights
Insights
Insights
Insights
Top layover airports
Cheapest • Avg $495 (round-trip)
Shortest trip • 12h 20m (one-way)
Insights
Insights
Insights
Insights
When to book
in advance
Our data shows that travelers who book at least 2 weeks in advance save around 11% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
Cheapest • 22% price drop
Most popular
Good to know
Good to know
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Good to know
Good to know
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Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to London!
Flight Deals
Booking Insights
Expert advice
Flight Deals

Cheap Flights from San Francisco to London (SFO-LON)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from San Francisco to London that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from San Francisco to London

Tue, Sep 15 - Tue, Sep 22
Scandinavian Airlines Logo
4:45 pm - 9:40 pm
SFO
-
LHR
20h 55m
1 stop
Scandinavian Airlines Logo
7:30 pm - 2:40 pm
LHR
-
SFO
27h 10m
1 stop
$751Scandinavian Airlines
Mon, Aug 17 - Sat, Aug 22
Scandinavian Airlines Logo
4:45 pm - 4:00 pm
SFO
-
LHR
15h 15m
1 stop
Scandinavian Airlines Logo
6:40 am - 2:40 pm
LHR
-
SFO
16h 00m
1 stop
$756Scandinavian Airlines
Mon, May 18 - Thu, May 28
Multiple Airlines Logo
4:30 pm - 8:15 pm
SFO
-
LTN
19h 45m
2 stops
Multiple Airlines Logo
8:50 pm - 2:30 pm
LTN
-
SFO
25h 40m
2 stops
$761Multiple Airlines
Tue, Jul 21 - Thu, Aug 20
Condor Logo
4:30 pm - 2:40 pm
SFO
-
LGW
14h 10m
1 stop
Condor Logo
7:35 pm - 2:30 pm
LGW
-
SFO
26h 55m
1 stop
$802Condor
Mon, May 11 - Thu, May 21
SWISS Logo
7:35 pm - 5:50 pm
SFO
-
LGW
14h 15m
1 stop
SWISS Logo
9:25 am - 4:15 pm
LGW
-
SFO
14h 50m
1 stop
$811SWISS
Fri, May 8 - Wed, May 13
Condor Logo
4:30 pm - 2:40 pm
SFO
-
LGW
14h 10m
1 stop
Condor Logo
7:40 pm - 2:30 pm
LGW
-
SFO
26h 50m
1 stop
$815Condor
Tue, Jul 28 - Wed, Aug 19
SWISS Logo
7:35 pm - 5:50 pm
SFO
-
LGW
14h 15m
1 stop
SWISS Logo
9:25 am - 7:53 pm
LGW
-
SFO
18h 28m
2 stops
$825SWISS
Sat, Aug 1 - Tue, Sep 1
TAP AIR PORTUGAL Logo
7:35 pm - 9:45 am
SFO
-
LGW
30h 10m
1 stop
TAP AIR PORTUGAL Logo
4:25 pm - 2:35 pm
LGW
-
SFO
30h 10m
1 stop
$834TAP AIR PORTUGAL
Mon, Aug 17 - Mon, Aug 24
Virgin Atlantic Logo
1:45 pm - 5:20 pm
SFO
-
LCY
19h 35m
1 stop
Virgin Atlantic Logo
8:15 pm - 11:45 am
LCY
-
SFO
23h 30m
1 stop
$869Virgin Atlantic
Tue, Jul 21 - Thu, Aug 20
Virgin Atlantic Logo
1:45 pm - 5:20 pm
SFO
-
LCY
19h 35m
1 stop
Virgin Atlantic Logo
5:50 pm - 11:45 am
LCY
-
SFO
25h 55m
1 stop
$871Virgin Atlantic
Booking Insights

KAYAK's insights & trends for San Francisco to London flights

Get data-powered insights and trends into flights from San Francisco to London to help you find the cheapest flights, the best time to fly and much more.

How much is a round-trip flight from San Francisco to London?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from San Francisco to London departing in September.

What is the cheapest San Francisco to London flight route?

Data is based on round-trip flight searches on KAYAK over the past month.

The cheapest return flight from San Francisco to London costs $818 on the route between San Francisco (SFO) and London Heathrow Airport (LHR). It is also the most popular route.

What’s the cheapest day of the week to fly from San Francisco to London?

The average price of all round-trip flights from San Francisco to London clicked on KAYAK for each day over the last 12 months.

For San Francisco to London, Wednesday is the cheapest day to fly on average and Saturday is the most expensive. Flying from London back to San Francisco, the best deals are generally found on Thursday, with Sunday being the most expensive.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from San Francisco to London, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from San Francisco to London is November, where tickets cost $634 (return) on average. On the other hand, the most expensive months are June and December, where the average cost of round-trip tickets is $1,141 and $1,041 respectively.

Can I save money by flying with a layover from San Francisco to London?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

Yes, flying with a layover may cost you more time, but you can also save money on the route, with a 2 stops layover the cheapest option at $1,015 on average.

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

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from San Francisco to London, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from San Francisco to London, you should book around 2 weeks before departure, which saves you about 11% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 2 weeks before departure.

Expert advice

Expert advice for your flight from San Francisco to London

 
AI-powered summary based on content written by travel experts. AI can make mistakes.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Stefanie Waldek

Stefanie Waldek

Expert on United Airlines and Delta

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

Duncan Madden

Duncan Madden

Expert on British Airways and LHR

Duncan is a freelance travel writer, copywriter and book author in constant search of travel stories and the perpetual sensation of being on holiday. He’s never happier than when on a dusty trail in search of empty waves or ducking under the piste tape in search of snowbound solitude. British born, living in Germany, but happiest heading for the horizon. His first book, Found in Translation, explores the etymologies and stories of country names around the world and is out now.

Laura Ratliff

Laura Ratliff

Expert on Virgin Atlantic

Laura Ratliff is a New York-based writer and editor. She lives in downtown Brooklyn with her husband and their beloved dogs. Originally from Texas, she now considers New York City her home. She typically spends more than 200,000 miles on a plane each year and stays in plenty of hotels.

Marisa Garcia

Marisa Garcia

Expert on Iberia

Marisa knows planes inside and out, spending 16 years working on aircraft in hangars at airports around the world. She is an aviation industry expert, specialized in airline interiors and regulations. Ten years ago, she pivoted to journalism. She shares her insights in leading aviation, travel, and business publications and on her site FlightChic.

Jessica Macdonald

Jessica Macdonald

Expert on Lufthansa

Currently based in Scotland after living in South Africa and the United States, Jessica has been writing travel and aviation content for more than 10 years. She regularly contributes to Travel + Leisure and TripSavvy, and has had work published by Condé Nast Traveller and The Independent. She has traveled to more than 50 countries across six continents.

Blane Bachelor

Blane Bachelor

Expert on SFO

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.

KAYAK's tips to save more on a San Francisco to London flight

When planning a trip from San Francisco to London, it's important to consider a few factors to get the best deal. Generally, Tuesday is the cheapest day of the week to fly, while October is the cheapest month.

Route Choice: Opt for flights from San Francisco to London Gatwick for the cheapest fares.

Booking Time: Book your flight around 14 days in advance to get the best price.

Airline Selection: WestJet generally offers the cheapest flights for this route.

Flight Type: Choosing a flight with one stop can save you money compared to direct flights.

AI-powered; AI can make mistakes.

Good to know

Low seasonJanuary
Cheapest flight$441
Best time to beat the crowds with an average 17% drop in price.
Most popular time to fly with an average 14% increase in price.
Flight from San Francisco to London Gatwick Airport

When to book flights from San Francisco to London

Are your dates flexible? Find out the best times to travel from San Francisco to London based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

Flights from San Francisco to London: the best tips from KAYAK users' own experiences

Insights shared by verified travelers who flew the route from San Francisco to London 
Verified travelerFlew with British Airways
SFO
-
LHR
Dec 2025
If not getting off in London make sure you have enough time to get to your connecting gates
Verified travelerFlew with Iberia
SFO
-
LHR
Jan 2026
Buy your flight directly from the airline because the cancellation process is purgatory
GeraldFlew with Virgin Atlantic
SFO
-
LHR
Jun 2025
Virgin Atlantic uses terminal 3. Much faster clearing customs than terminal 5
Verified travelerFlew with American Airlines
SFO
-
LHR
Jun 2025
Large number of passengers on the flight so arrive early to the airport and to the boarding gate
PallaviFlew with British Airways
SFO
-
LHR
Apr 2025
Eat at the lounge first so you are not stuck eating overcooked cheese ravioli
TapanFlew with British Airways
SFO
-
LHR
Oct 2024
Great baggage policy in BA.. The worst part was experience at London Heathrow airport. Security was slow, too many people. Almost lost connecting flight even with 2 hours layover.

FAQs for booking flights from San Francisco to London

  • What disability services are available at London Heathrow Airport (LHR)?

    LHR is a fully accessible airport with several structures ensuring easy movement for passengers with disabilities. Ramps, elevators and moving walkways provide step-free access for people in wheelchairs. Reserved seating at check-in points, parking spaces and accessible restrooms are available. Guide dogs are allowed at the airport.

  • Are pets allowed to travel through San Francisco International Airport (SFO)?

    Yes, Fido is welcome to travel through SFO. However, TSA guidelines require Fido to remain in his carrier while in the airport, except when using the relief areas or passing through security. The airport has also provided pet relief areas to ensure your dog is comfortable at SFO. You will find pet relief areas in all four terminals, and the general rule is that outdoor relief areas are pre-security, and indoor relief areas are post-security.

  • What are some good hotels near London Heathrow Airport (LHR)?

    The Leonardo Hotel is a stylish 4-star choice directly adjacent to London Heathrow Airport (LHR) and only a 22-minute drive from the famous Windsor Castle. The Renaissance London is less than a 10-minute walk from the airport and a 20-minute drive from the Royal Botanic Gardens.

  • Can I store my luggage at London Heathrow Airport (LHR)?

    If you would like to store some of your luggage or personal items at London Heathrow Airport (LHR), visit the Arrivals wing in Terminal 2, 3, 4 or 5. The employees at the luggage desks can store your items for up to 90 days and charge you either daily or hourly rates, depending on the duration you plan to keep your things there.

  • Are there baby care facilities at San Francisco Airport (SFO)?

    Nursing rooms are available at San Francisco Airport (SFO) for passengers traveling with infants. Family restrooms and a nursery are available in Terminals 1, 2 and 3. SFO Kids’ Spot is also available for parents who want to keep their kids entertained as they await their flight. Children’s play areas are located in Terminal 1 near the boarding area and Terminal 2 near Gates 54A and 58B after the security area.

  • Are there banking services at London Heathrow Airport (LHR)?

    ATMs are available in all terminals at London Heathrow Airport (LHR), and Travelex provides currency exchange services across all terminals. It is recommended to use the pick-up and order-online service at LHR. There are 35 currency exchange locations throughout the airport, with most operating from as early as 5 am to 10 pm.

  • Where are the duty-free shops located at London Heathrow Airport (LHR)?

    Stock up on essentials before you start your tour of London and do it tax-free. LHR has 17 World Duty-Free shops dotted around the terminals. You can find anything from cosmetics to concessions, jewelry and electronics at these shops, and yes, they will be available tax-free. In addition to the duty-free stores, LHR also has several retail shops.

  • Does London Heathrow Airport (LHR) have any prayer rooms?

    London Heathrow Airport (LHR) is home to St. George’s Chapel and four interfaith prayer rooms. Each of these prayer rooms is open during standard business hours and available for all travelers, regardless of their religious affiliations.

  • What are the most sustainable airlines with flights from San Francisco to London?

    There are several nonstop flights from San Francisco to London. On average, around 2,222 kg of carbon is emitted per passenger on flights from San Francisco to London. Virgin Atlantic, Delta and KLM are the three most sustainable airlines operating on this route, emitting around 43%, 43% and 41% less carbon than other airlines on this route.

  • What is the best way to travel from London Gatwick Airport (LGW) to downtown London?

    If you are flying into London Gatwick Airport (LGW) but planning on staying in downtown London, the easiest way to travel between these two destinations is by taking the train. The Gatwick Express is a popular option, as the entire journey only takes 45 minutes, and it stops at several major stations in the city center.

  • Is there public transport from downtown San Francisco to San Francisco Airport (SFO)?

    A quick and convenient way to travel from downtown San Francisco to SFO Airport is via the Amtrak train. Access San Francisco Airport from the Amtrak train station through the Bay Area Rapid Rail, which takes around 40 minutes. Another transfer option is a taxi, which takes approximately 25–30 minutes. The SamTrans public bus service also offers transportation from San Mateo County and other parts of San Francisco to SFO Airport. The bus drops off passengers near Courtyard 2 in Terminal 2 and near Courtyard 4 in Terminal 3.

  • Is there public transport from London Heathrow Airport (LHR) to central London?

    While the Heathrow Express is slightly quicker than the Heathrow Connect, the latter offers cheaper transfer options from Heathrow to central London. The Heathrow Connect train leaves the airport every 30 minutes and takes around 40 minutes from Terminal 5 to London’s central business district.

  • What is the cheapest flight from San Francisco to London?

    In the last 3 days, the lowest price for a flight from San Francisco to London was $441 for a one-way ticket and $751 for a round-trip.

  • Do I need a passport to fly between San Francisco and London?

    Yes

  • Which airports will I be using when flying from San Francisco to London?

    When flying out of San Francisco you will be using San Francisco. You will be landing at one of these airports: London City, London Gatwick, London Heathrow, London Luton, London Southend, or London Stansted.

  • Which airlines offer Wi-Fi service onboard planes from San Francisco to London?

    KLM, American Airlines, Lufthansa, and United Airlines offer inflight Wi-Fi service on the San Francisco to London flight route.

  • Which aircraft models fly most regularly from San Francisco to London?

    The Boeing 777 is the aircraft model that flies most regularly on the San Francisco to London flight route.

  • Which airline alliances offer flights from San Francisco to London?

    SkyTeam, oneworld, and Star Alliance are the airline alliances operating flights between San Francisco and London, with SkyTeam being the most commonly used for this route.

  • On which days can I fly direct from San Francisco to London?

    There are nonstop flights from San Francisco to London on a daily basis.

  • Which is the best airline for flights from San Francisco to London, Delta or KLM?

    The two airlines most popular with KAYAK users for flights from San Francisco to London are Delta and KLM. With an average price for the route of $859 and an overall rating of 7.9, Delta is the most popular choice. KLM is also a great choice for the route, with an average price of $945 and an overall rating of 7.8.

  • How does KAYAK find such low prices on flights from San Francisco to London?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from San Francisco to London.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from San Francisco to London?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to London from San Francisco is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from San Francisco to London?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to London with an airline and back to San Francisco with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from San Francisco to London?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to London from San Francisco up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from San Francisco to London

  • Looking for a cheap flight? 25% of our users found flights on this route for $492 or less one-way and $973 or less round-trip.
  • To get a direct flight from San Francisco to London, consider flying with either British Airways or American Airlines. Both companies are known for offering a diverse selection of flights between these two locations, along with affordable tickets and amenities such as free checked bags, food and drinks. Other airlines, including Aer Lingus and Delta, also provide direct non-stop flights from San Francisco Airport (SFO) to London Heathrow Airport (LHR). Additionally, there are affordable one-stop and two-stop flights from San Francisco to London Heathrow with Lufthansa, SWISS Airlines, British Airways and Iberia.
  • Feeling nervous before your flight to London? Look out for the Wag Brigade at SFO. The Wag Brigade consists of 20 or so therapy dogs trained to de-stress passengers before their flight. You can identify them by their vests reading "Pet Me".
  • If you’re interested in having a comfortable place to pass the time before your flight takes off, book your ticket with an airline that has a private lounge at San Francisco International Airport (SFO). American, Delta and United Airlines all have private lounges in San Francisco, and they often offer access passes that are complimentary or at a reduced price for their customers.
  • For those traveling with children, make sure to stop by one of the Stay and Play areas located in London Heathrow Airport (LHR), open from 6 am to 9 pm every day. They are situated in the departures section, past security, and are nearby Gates 1–6. Entry is free, suitable for children aged 0–9. These play areas contain a variety of games, toys and activities, making them the perfect way for children to burn off some energy ahead ofb a long flight.
  • There are several lounges at London Heathrow Airport (LHR), including the Air Canada Maple Leaf Lounge, United Club, and Plaza Premium Arrivals Lounge in Terminal 3, as well as the Regus Express Business Lounge and No. 1 Heathrow Lounge in Terminals 2 and 2B.
  • Free unlimited WiFi is available at London Heathrow Airport (LHR). The airport also provides free internet kiosks in every terminal. The charging area in Terminal 5 is located near check-in zones G and D, while charging stations in Terminal 2 are situated next to check-in Zones A/B and C/D.
  • You can relax at nearby hotels after a long flight from San Francisco to London Luton Airport (LTN). The Holiday Inn Express London – Luton Airport, an IHG Hotel, is about an 8-minute walk from the airport. While the hotel doesn’t offer a free airport shuttle, it is near the First Capital Connect bus station, which operates buses linking Luton Airport to Luton Parkway train station.
  • San Francisco Airport (SFO) provides free WiFi access for up to 4 hours, with passengers prompted to accept terms and conditions. Free power outlets and workstations are available in WiFi-accessible areas, and although charging may be slower, rapid charging areas can be found in Terminal 1 near Gate 23 and Terminal 3 near Gate 87.
  • If you arrive at the airport a little too early, there are plenty of things to do to pass the time at SFO. Check out the art on display or learn something new at the Aviation Museum in the International Terminal. The observation deck is a great place to watch planes take off and land, and the flight deck provides fascinating information on SFO and San Francisco.
  • San Francisco International Airport (SFO) is a major international hub with four terminals connected by walkways and an AirTrain. Getting between terminals can be tiresome, so the airport provides trains and shuttles to quickly transport passengers between terminals, the parking garage, and the BART station at SFO.
  • Consider flying to London Heathrow Airport (LHR) over Gatwick, as it serves as a hub for British Airways, allowing easy connections to many other destinations in London.
  • If you are traveling to the southern parts of London, prioritize flying to London Gatwick Airport (LGW) over LHR. LHR is in west London, ideal for people traveling to the north, east, west, and central London, while LGW is located 30 miles to the south, making it ideal for those traveling to the south.
  • Interested in flights from San Francisco to London? You have three different airports to choose from. San Francisco International Airport (SFO) is the primary airport in the region and offers a diverse selection of flights. Oakland International Airport (OAK) is a smaller and quieter choice. San Jose Mineta International Airport (SJC) is also an option, particularly practical for travelers leaving from the southern region of San Francisco.
  • When flying to London, you have five different airports to choose from. London Heathrow (LHR) is the largest and most convenient for those flying direct, while London City (LCY), London Stansted (STN), and London Luton (LTN) are best for travelers who prefer small and quiet airports. Finally, London Gatwick (LGW) is a practical option for anyone planning on staying in the suburbs.

Prefer to fly direct from San Francisco to London?

 
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from San Francisco to London.
Find which airlines fly direct from San Francisco Airport to London, which days they fly and book direct flights.

Direct departures

San Francisco to London

Monday

British Airways,United Airlines,Virgin Atlantic

British Airways,United Airlines, +1 more

Tuesday

British Airways,United Airlines,Virgin Atlantic

British Airways,United Airlines, +1 more

Wednesday

British Airways,United Airlines,Virgin Atlantic

British Airways,United Airlines, +1 more

Thursday

British Airways,United Airlines,Virgin Atlantic

British Airways,United Airlines, +1 more

Friday

British Airways,United Airlines,Virgin Atlantic

British Airways,United Airlines, +1 more

Saturday

British Airways,United Airlines,Virgin Atlantic

British Airways,United Airlines, +1 more

Sunday

British Airways,United Airlines,Virgin Atlantic

British Airways,United Airlines, +1 more

See more direct flights

Direct returns

London to San Francisco

Monday

British Airways,United Airlines,Virgin Atlantic

British Airways,United Airlines, +1 more

Tuesday

British Airways,United Airlines,Virgin Atlantic

British Airways,United Airlines, +1 more

Wednesday

British Airways,United Airlines,Virgin Atlantic

British Airways,United Airlines, +1 more

Thursday

British Airways,United Airlines,Virgin Atlantic

British Airways,United Airlines, +1 more

Friday

British Airways,United Airlines,Virgin Atlantic

British Airways,United Airlines, +1 more

Saturday

British Airways,United Airlines,Virgin Atlantic

British Airways,United Airlines, +1 more

Sunday

British Airways,United Airlines,Virgin Atlantic

British Airways,United Airlines, +1 more

See more direct flights

Reviews of the top 5 airlines serving from San Francisco to London

 
See real verified KAYAK customer reviews for airlines flying from San Francisco to London. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from San Francisco to London? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.9
DeltaOverall score based on 8459 reviews
7.9Comfort
8.5Crew
8.1Boarding
7.2Food
7.8Entertainment
Airline reviews

While they turned off most cabin lights to allow people to sleep, I was bothered by how bright the side lights still were. It was still quite bright for me in a window seat, when I wish I could have slept!

10.0 ExcellentTeresa, Apr 2026
SMF - LAX
Read more Delta reviews

While they turned off most cabin lights to allow people to sleep, I was bothered by how bright the side lights still were. It was still quite bright for me in a window seat, when I wish I could have slept!

Generally on time departures and arrivals, clean planes, sky miles membership provides great benefits (complimentary upgrades, etc).

N Everything was perfect from boarding to assistance to baggage in Tampa

Loved the crew! Sucks that we went from 1 hour and 8 minute layover to a 3 hour layover. But weather sucks like that.

Fast, lovely scenery, great info on the Delta flight screen about landmarks we were flying over. Great landing!

Long flight but comfortable and not freezing as I have experienced on Hawaiian flights to the islands. They gave us blankets just in case. Nice touch.

The return flight was great. The flight out to CDG was overbooked, and we were forced to check in a small carry-on at the get immediately before the flight, before getting out the stuff we needed on the plane.

I took seat 15A in anticipation of window seat, there is no window.

Flight late, the waited for a long time for “personal” to arrive at gate to dock the plane in Rochester. So annoying. This flight was expected, why aren’t personel available for the jet bridge?

My recent experience was excellent on Delta! I flew with Delta Comfort and I was really comfortable in my seat. I enjoyed the in-flight service. The flight attendants were so friendly and hospitable. I love the snack on the flight as well. This was my first time flying on Delta and I will definitely consider flying with them again.

Cree was organized and pleasant. Plane had good seating but as it’s a shuttle toilets hadn’t been thoroughly cleaned (eg. bins too full)

I liked that my son and I were reseated next to each other (we had different bookings). I liked that it was a directg flight and mostly on time. I liked that you provided pillows and blankets. Flight attendants were generally courteous. The messaging through wifi did not work well. The food was not good. Seats are very narrow and I felt slightly claustraphobic in the window seat.

Some crew were unfriendly or in some cases just straight up rude.

Outstanding service, efficient & friendly crew, flight was safe, comfortable & on time

United Airline crews were very friendly and very attentive. 12 hours flight was gone like in a shorter one.

Flight itself excellent, but delayed so missed connection & got to destination 2 hrs later

Due to cancellation of connecting flight (Lufthansa) I didn’t fly with United

It was a red-eye, but the flight felt surprisingly quick. The seats were very comfortable, and that made resting much easier. I also want to thank the gentleman seated next to me, who graciously moved so my mom could sit beside me. We slept almost the entire way. The cabin crew was respectful in not disturbing us, while also being courteous and professional throughout. Thank you, United.

Boarding was again a "free for all". We were boarding group 4, and almost the entire plane was able to board before us. It's a shame that someone who follows the rules, gets the short end of the stick. Not fair.

It was perfect! I've never flown with United before, but I definitely will in the future

Seating and zone. The minor I went with didn’t even seat close to me

My seat 3G did not go down fully and the buttons were not working properly

Food has been disappointing in both legs of flight to india

Great staff great experience, made a 2 hour delay very bearable

Great staff, great experience, made a 2 hour delay very bearable

Food was the worst I’ve had on a VA flight. Normally it’s a lot better

I was my pleasure to fly virgin on my birthday for my first solo trip ever 🫶🏼

These are one of the older seat arrangements facing away from the windows! Not particularly convenient sets. No storage spaces. NO COAT HANGING HOOKS. Inconvenient business class seat compared to any other airlines of similar class. Staff are excellent! Extremely professional, friendly. Food is good too.

Overall, flight was excellent but check in was very slow for Premium Economy. Economy queue was shorter but we weren't allowed to use it.

The staff was not very polite but the flight was very very nice and comfortable and the entertainment was great

The business class layout of chairs was weired. You are sitting directly across stranger.,

The SFO Lounge crew were amazing. The bartender Faris was great. Thanks!

We did not have enough time to make our connecting flight. As a result, we were put onto a different airline for our second leg. The different airline was NOT comparable to British Airlines, and our arrival was significantly delayed. The actual flight on BA was amazing.

Tv screens and movie selection v good. Friendly staff. They were really worried about max capacity and room for carryons. That is never fun but i had no problem finding space when I boarded.

Not good. One of my luggage is missing. And until now they can’t find it

Dloght delayed by 2.5 hrs . Common theme in my last four american floghts

The worst Airline ever. They centered my second flight and leave me in NY. They don’t have any representatives at the airport and they don’t respond to calls. Basically I got stuck. I will never purchase through there again.

The chicken wrap was tiny ($13 for what looked like a 1/3 of a normal wrap?) and disgusting.

We flew in first class. The crew did not offer drinks before the flight took off, but they treated us well during the flight. The food was excellent. There was actually too much food served, but it was nice to have all the options.

My flight to London from Philadelphia was cancelled due to weather.

Boarding was orderly, pilot and flight attendants were nice, entertainment options were good, and low sodium meals were quite tasty.

The whole experience was excellent, O can say out from Miami the best airline to travel with for any European destination. Since the ground staff to the inflight crew attention was great, service on board 10 of 10. Finally the 380 is very confortable and nice to travel.

All crew except 1 were excellent. When I asked assistance with business class seat conversion to a bed (not being familiar as never used before but have numerous times with other airlines) crew member helped very reluctantly. I should have told her that business class seat conversion is totally different in each airline such as Delta, New Zealand Air and United. Sorry it was my 1st time with America Airlines. Now I know, I won't bother asking assistance in future.

The seats in Premier Economy were very comfortable. The food was better than average. The way British Airways handled our seating was atrocious.

Flight delayed, connection was not at gate listed and so missed, staff were rude at Heathrow, phone tree stupid and difficult, took me 21 actual hours to reach my destination. Almost lost my hotel reservation after walking in a strange city alone after midnight because they would not put me up in a hotel at sfo or heathrow. I will never fly BA again and will tell all people and Instagram followers never to fly BA.

Overall ok. Best part has always been the sundae dessert.

I’ve never been on a trans-Atlantic (or Pacific) flight where the seats don’t recline—not even a little. I asked my seat mate when BA starting doing this and he said “Oh, a few years ago.” I couldn’t sleep, with my head falling forward waking me continuously, and came off the plane incredibly stiff. I booked a Premium Economy seat to get a more comfortable seat, which was worse than most basic Economy seats I’ve ever booked.

Nice aircraft. Good crew. Delayed departure from Houston, but arrived on time in London. Main thing I don’t like about flying BA is having to transit through security in London Heathrow. A major pain!

Wish the food and overall service was better. They treat Business class passengers same as economy

They had us seating down for one hour just waiting on the plane

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