Cheap flights from San Francisco to London

San Francisco
SFO
London
LON

Flight deals from San Francisco to London

Below you can see the best deals on flights San Francisco — London for upcoming dates. Direct and connecting flights from various airlines — compare prices and choose the right ticket.

The lowest price for the next 2 months is on 11 October, from $323.

Top 10 cheap flights from San Francisco to London

F9
F9
Z0
$ 375

San Francisco — London

22:05—06:20
11 Sep 2026
24 h 15 m
2 stops
F9
F9
Z0
$ 375

San Francisco — London

22:05—06:20
11 Sep 2026
24 h 15 m
2 stops
DL
Z0
$ 376

San Francisco — London

07:00—06:20
12 Sep 2026
15 h 20 m
1 stop
DL
Z0
$ 376

San Francisco — London

23:50—06:20
11 Sep 2026
22 h 30 m
1 stop
DL
DL
Z0
$ 385

San Francisco — London

00:05—06:20
12 Sep 2026
22 h 15 m
2 stops
DL
DL
Z0
$ 385

San Francisco — London

22:59—06:20
11 Sep 2026
23 h 21 m
2 stops
DL
DL
Z0
$ 385

San Francisco — London

22:59—06:20
11 Sep 2026
23 h 21 m
2 stops
AZ
AZ
$ 385

San Francisco — London

15:15—15:40
15 Sep 2026
16 h 25 m
1 stop
AZ
AZ
$ 385

San Francisco — London

15:15—15:40
13 Sep 2026
16 h 25 m
1 stop
AZ
AZ
$ 385

San Francisco — London

15:15—15:40
14 Sep 2026
16 h 25 m
1 stop

Prices were found in the last 72 hours and may change — check the exact price when you continue.

When is the best time to book a flight from San Francisco to London?

The price of a flight from San Francisco to London changes depending on how far ahead you book. For the best chance of a lower fare, book around 8 days before departure, when the average ticket costs about $561. Fares also tend to climb as the departure date gets closer.

About the San Francisco — London flight

Looking for cheap flights from San Francisco to London? Compare fares from different airlines, check the flight schedule and travel time — and book your San Francisco — London ticket online at the best price.

The route has direct flights — around 208 flights per week, flights are operated by United Airlines, Lufthansa, British Airways, Virgin Atlantic and 8 more airlines, a nonstop flight takes about 10 h 15 min, the distance between the cities is around 8,639 km.

Planning your trip? You may find our London travel guide, how to get from the airport into town and London weather forecast useful. To catch a low fare, use the low-price calendar and the monthly price chart on this page.

Facts about this route

from $287Min. price
MarchCheapest
AugustPeak season
YesDirect flights
8,639 kmDistance
10 h 15 minTravel time
15Airlines
208 / wkFlights

Flight schedule from San Francisco to London

The table shows direct flights from San Francisco to London on the selected date. The flight takes approximately 10 h 15 min. Regular flights are operated by United Airlines, Lufthansa, British Airways and Virgin Atlantic. Departures from San Francisco International Airport airports, arrivals at Heathrow Airport, London Gatwick Airport and Stansted Airport.

For each flight, the following details are shown: departure time (local), arrival city and airport, flight number and airline, terminal or gate, and status. Click on a flight to open its details and go to ticket search. To view flights on a different day, change the date above the table.

Today
Any time
Last update: 16 Aug 2026

Flight ticket prices by day: San Francisco — London

Below is a calendar of the lowest flight ticket prices for San Francisco — London by day. Pick a convenient date and instantly see the fare. The cheapest flights on this route start from $287 in March, and the most expensive are around $486 in August. If your travel dates are flexible, the calendar will help you find the best price for your preferred period. To view round-trip fares, switch to the "Round trip" tab above the calendar, select your departure date — and the right-hand calendar will highlight the lowest prices for return flights on each day.

 
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Prices by month

Average one-way fares from San Francisco to London by month. Tickets are usually cheapest in February (around $458) and priciest in July (about $734) — use the table and chart below to pick the best time to fly.

MonthAverage priceLevelMonthAverage priceLevelMonthAverage priceLevel
Jan$469lowMay$629highSep$515medium
Feb$458lowJun$698highOct$501low
Mar$544mediumJul$734highNov$505medium
Apr$555mediumAug$610mediumDec$687high

Some values are estimated based on seasonality.

When to fly

Weather in London: it is warmest in July (up to 22 °C on average) and coolest in January (around 7 °C). The driest month is June.

Tickets are usually cheapest in March and most expensive in August. Compare prices and weather by month in the charts below to pick the best time to fly.

Temperature · London

Dry and wet days · London

Wind speed and direction · London

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How to get the best deal on a San Francisco — London ticket

  • Book ahead: fares for San Francisco — London are usually lower 3–8 weeks before departure than at the last minute.
  • Play with your dates — Tuesday, Wednesday and Saturday departures are often cheaper than Friday and Sunday.
  • The cheapest month to fly to London is usually March — plan your trip around it if your dates are flexible.
  • Compare direct and connecting flights: nonstop is faster, while a connection is sometimes noticeably cheaper.
  • Watch the low-price calendar and the monthly price trend on this page — they make it easier to catch a good date.
  • Travelling light? Pick a cabin-baggage-only fare — tickets without checked luggage are noticeably cheaper.
  • Get to the airport in good time — about 2–3 hours before an international departure and roughly an hour before a domestic one.

Airlines

Flights on the San Francisco — London route are operated by 12 airlines; United Airlines runs the most flights (around 20% of all flights). Compare carriers, flight shares and schedules below.

  • United AirlinesUA
    14x/week
    WebsiteFleet: 956165M pax/year
    • Direct flight SFO → LHR14x/week
      Duration
      10h 22m
      Days
      MTWTFSS
    20.2%Open →
  • LufthansaLH
    11x/week
    WebsiteFleet: 38764.5M pax/year
    • Direct flight SFO → LHR11x/week
    15.4%Open →
  • British AirwaysBA
    9x/week
    WebsiteFleet: 29243M pax/year
    • Direct flight SFO → LHR9x/week
      Duration
      10h 25m
      Days
      MTWTFSS
    13.5%Open →
  • Virgin AtlanticVS
    9x/week
    WebsiteFleet: 415.3M pax/year
    • Direct flight SFO → LHR9x/week
      Duration
      10h 20m
      Days
      MTWTFSS
    13.5%Open →
  • Air FranceAF
    8x/week
    WebsiteFleet: 22045M pax/year
    • Direct flight SFO → LHR8x/week
      Duration
      10h 20m
      Days
      MTWTFSS
    11.1%Open →
  • AustrianOS
    6x/week
    WebsiteFleet: 6814.6M pax/year
    • Direct flight SFO → LHR6x/week
    8.7%Open →
  • Aer LingusEI
    6x/week
    WebsiteFleet: 5710.7M pax/year
    • Direct flight SFO → LHR6x/week
      Duration
      10h 25m
      Days
      MTWTFSS
    8.2%Open →
  • DeltaDL
    3x/week
    WebsiteFleet: 986190M pax/year
    • Direct flight SFO → LHR3x/week
      Duration
      10h 20m
      Days
      MTWTFSS
    3.8%Open →
  • Alaska AirlinesAS
    1x/week
    WebsiteFleet: 31545M pax/year
    • Direct flight SFO → LHR1x/week
    1.9%Open →
  • FinnairAY
    1x/week
    WebsiteFleet: 7911M pax/year
    • Direct flight SFO → LHR1x/week
    1.4%Open →
  • IberiaIB
    1x/week
    WebsiteFleet: 9224M pax/year
    • Direct flight SFO → LHR1x/week
    0.5%Open →
  • American AirlinesAA
    1x/week
    WebsiteFleet: 965211M pax/year
    • Direct flight SFO → LHR1x/week
    0.5%Open →

Cities and airports on the San Francisco — London route

Flights San Francisco — London depart from San Francisco International Airport and arrive at Heathrow Airport, London Gatwick Airport, Stansted Airport and London Luton Airport. Below are pages for the cities, countries, and airports on the route: airlines, schedules, and travel guides.

Departure

San Francisco

SFO
United States
About the cityHow to get thereWeatherAll about the country United States
Arrival

London

LON
United Kingdom
About the cityHow to get thereWeatherAll about the country United Kingdom
Departure airports
Arrival airports

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Frequently asked questions about the San Francisco — London flight

How long is the flight from San Francisco to London?

A nonstop San Francisco — London flight takes about 10 h 15 min — the distance between the cities is around 8,639 km.

How far is it from San Francisco to London?

The distance from San Francisco to London is about 8,639 km, which a nonstop flight covers in around 10 h 15 min.

Are there direct flights from San Francisco to London?

Yes, there are nonstop flights San Francisco — London — around 208 flights per week.

Which airlines fly from San Francisco to London?

Airlines operating San Francisco — London include United Airlines, Lufthansa, British Airways, Virgin Atlantic, Air France. See the full list with schedules in the "Airlines" section on this page.

Which airports do San Francisco — London flights use?

Flights from San Francisco depart from San Francisco International Airport, and arrive at Heathrow Airport, London Gatwick Airport, Stansted Airport. If a city has more than one airport, check which one your ticket uses before you travel.

How much is a ticket from San Francisco to London?

The price of a San Francisco — London ticket depends on your travel date, season and demand: it is usually cheapest to fly in March, and most expensive in August. Tickets typically cost between $287 and $486. Check the current lowest fare and low-price calendar on this page.

When is the best time to book flights San Francisco — London?

Flights San Francisco — London are usually cheaper when booked in advance — a few weeks before departure and away from peak dates; the most budget-friendly month to fly is March. Compare prices by month in the price trend chart on this page.

How can I find the cheapest flights from San Francisco to London?

To catch a low fare San Francisco — London, book a few weeks in advance, keep your dates flexible, and compare airlines and connecting options. The low-price calendar and monthly price chart on this page show the cheapest days and months at a glance: the most budget-friendly month to fly is usually March.

How early should I arrive at the airport?

For international flights, plan to be at the airport about 2–3 hours before departure, and around an hour before a domestic flight. Allow extra time during busy travel seasons and at large hubs, where check-in and security lines can be longer.

Where else you can fly from San Francisco

See all
Los AngelesNew York CitySeattleSan DiegoSanta AnaLas VegasBurbankBostonVancouverPhoenixPortlandDenverPalm SpringsHonoluluDallasChicagoSalt Lake CityAustinAtlantaWashington, D.C.HoustonKahuluiTaipeiMinneapolisTorontoDetroitOrlandoSpokaneTokyoParisBoiseKapaaSan Jose del CaboPuerto VallartaRedmondSeoulFrankfurt am MainCalgaryMexico CityKailua-Kona

Where else you can fly from London

See all
New York CityAmsterdamMadridBarcelonaDublinParisFrankfurt am MainMilanPalmaMalagaEdinburghIstanbulGenevaGlasgowBelfastLisbonFaroZurichNiceRomeLos AngelesCopenhagenAthensAlicanteBerlinDubaiBostonIbizaTorontoAntalyaMunichChicagoDohaBristolStockholmOsloViennaDusseldorfCardiffWarsaw

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