Cheap flights from San Francisco to London

SFO — LON
2 Oct — 9 Oct1
1 adult
Economy
From?
To?
Mon 2/10
Mon 9/10

The best prices from San Francisco to London are usually found in March or February, booked 60 days in advance, depart on a Tuesday or Monday and return on a Tuesday

How to find the cheapest flight from San Francisco (SFO) to London (LON)

All the information you need to plan the best SFO to LON flight in 2023: compare San Francisco to London flight prices with the expected peak season, weather and rainfall in London.

Popular in

July

Cheapest in

March

Average price

₹ 65,261

Round-trip from

₹ 6,043,472
High demand for flights, 27% potential price rise
Best time to find cheap flights, 16% potential price drop
Average for round-trip flights in September 2023
From San Francisco to London (LON)

SFO - LON

Price

₹ 72,602 - ₹ 118,686

LON

Temperature

4 - 17 °C

LON

Rainfall

40 - 70 mm

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

Travellers have found that booking a Monday departure is the best way to save up to 41% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

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

Travellers have found it’s best to book a flight 60 days in advance to save up to 19% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 60 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from San Francisco to London 1-2 weeks in advance for as low as ₹ 82,242, or ₹ 88,402 for flights within the next 24 hours.

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

Flights from San Francisco to London lean towards being more expensive in July. Prices are generally better when you fly from San Francisco to London in March, with the cheapest ticket starting at ₹ 48,280.

When is the cheapest time to fly from San Francisco to London (SFO - LON)?

It’s optimal to fly from San Francisco to London at midday. By choosing this option you can save up to 11% on the cost of your flight, compared to a flight in the morning.

Related info for your journey

Useful info, stats and facts about San Francisco to London flights.

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 28 outbound flights to London per day from 1 airline. San Francisco is conveniently located just 19.0 km from San Francisco’s city centre.

What days are direct flights available from San Francisco to London?

Direct flights can be found on the following days: Monday, Saturday.

How many flights depart from San Francisco to London on average per day?

Per day, 4 flights depart from San Francisco to London on average.
Afternoon (Noon - 6pm) - 100% of flight departures

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

Consider Air Canada (76%), Austrian Airlines (76%) or United Airlines (76%) when booking your flight. These represent the most reliable airlines when flying from San Francisco to London.

What does SFO to LHR mean?

Great question - SFO to LHR just means San Francisco Airport to London Heathrow Airport. Now you’ll know what these unique codes when you look for flights! London Gatwick Airport (LGW), London Stansted Airport (STN), London City Airport (LCY), London Luton Airport (LTN), London Southend Airport (SEN) are other airports near this flight route and their unique identifiers/IATA codes.

Top airline flying from San Francisco to London

The chart below displays the airlines Cheapflights users travelling from San Francisco to London choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest₹ 64,277Average₹ 89,840FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Hourly flight availability from San Francisco to London

See what time of day planes typically take off from San Francisco to London
1%of flight departuresEarly morningMidnight to 6 am
17%of flight departuresMorning6 am to noon
39%of flight departuresAfternoonNoon to 6 pm
43%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from San Francisco to London

See how many times per day planes take to the skies headed from San Francisco to London
Monday31daily flights
Tuesday26daily flights
Wednesday31daily flights
Thursday26daily flights
Friday31daily flights
Saturday31daily flights
Sunday26daily flights

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Cheapflights makes it easy to find San Francisco to London flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from San Francisco to London?

Cheapflights simply makes it quick and affordable to book flights from San Francisco to London by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from San Francisco to London with no change fees?

Need flexible booking options for your flight to London from San Francisco? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from San Francisco to London become cheaper?

Not ready to book yet? You can track prices for flights from San Francisco to London on Cheapflights with our Price Alert feature and get notified when better prices are available.

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