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Cheap flights from San Francisco to London from ₹ 39,827

SFO — LON
30 Oct — 6 Nov1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from San Francisco to London are usually found in February or January, booked 69 days in advance, depart on a Thursday or Monday and return on a Wednesday

Cheap flight deals from San Francisco to London

Enter your travel dates to find the best prices.

Cheapest flights from San Francisco to London

Sat 24/1016:45 -
2 stops19h 05m
Mon 26/1006:40 -
2 stops40h 10m
Deal found 30/9₹ 70,441
Fri 6/1116:45 -
2 stops32h 10m
Sun 8/1118:40 -
1 stop28h 10m
Deal found 29/9₹ 71,689
Thu 5/1116:45 -
2 stops56h 10m
Sun 8/1119:30 -
1 stop27h 20m
Deal found 30/9₹ 72,937
Sat 7/1116:45 -
2 stops56h 50m
Wed 11/1106:40 -
2 stops40h 10m
Deal found 27/9₹ 73,320
Mon 9/1112:50 -
Nonstop10h 35m
Mon 16/1110:05 -
Nonstop11h 15m
Deal found 25/9₹ 74,664
Sat 7/1116:45 -
2 stops19h 10m
Mon 9/1119:50 -
2 stops27h 00m
Deal found 25/9₹ 74,856
Thu 10/1216:45 -
2 stops36h 10m
Sun 13/1206:40 -
2 stops25h 41m
Deal found 30/9₹ 75,912
Mon 23/1118:28 -
2 stops40h 02m
Thu 26/1113:55 -
2 stops32h 55m
Deal found 25/9₹ 76,391
Fri 16/1016:45 -
1 stop15h 15m
Sun 18/1006:40 -
2 stops40h 00m
Deal found 27/9₹ 76,775
Fri 23/1016:45 -
2 stops57h 50m
Tue 27/1006:40 -
2 stops40h 10m
Deal found 30/9₹ 77,159
Wed 4/1116:45 -
2 stops56h 50m
Sun 8/1106:40 -
1 stop16h 10m
Deal found 30/9₹ 77,927

Find flight deals from San Francisco to London

Round-trip from

₹ 70,153

One-way from

₹ 39,827

Popular in

June

Cheapest in

February

Average price

₹ 90,595

Good round-trip deal

₹ 88,825 or less

Good one-way deal

₹ 31,142 or less
United Airlines
  • United Airlines
  • 3/2-5/2
  • 2 total stops
  • 28h 35m total
  • San Francisco to London
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KLM
  • KLM
  • 25/12-31/12
  • Nonstop
  • 10h 15m total
  • San Francisco to London
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Highest demand for flights based on searches. 17% potential increase in price (₹ 1,755,965 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (₹ 303,532 potential savings vs. average return price).
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Average for round-trip flights in September 2026
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Price to beat on a round-trip flight from San Francisco to London (LON).
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Price to beat on a one-way flight from San Francisco to London (LON).
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from San Francisco to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

San FranciscoLondon

SFO San Francisco - LHR London Heathrow

SFOLHR

San Francisco

Tue 10/11

16:40-11:15

Nonstop10h 35m

London Heathrow

Wed 31/12

00:00-15:00

Nonstop0h 00m

₹ 44,050
Fastest return journey

San FranciscoLondon

SFO San Francisco - LHR London Heathrow

SFOLHR

San Francisco

Mon 9/11

16:40-10:55

Nonstop10h 15m

London Heathrow

Wed 31/12

00:00-15:00

Nonstop0h 00m

₹ 44,050

San FranciscoLondon

SFO San Francisco - LHR London Heathrow

SFOLHR

San Francisco

Sun 25/10

13:50-07:25

Nonstop10h 35m

London Heathrow

Wed 31/12

00:00-15:00

Nonstop0h 00m

₹ 44,050

San FranciscoLondon

SFO San Francisco - LHR London Heathrow

SFOLHR

San Francisco

Mon 26/10

13:50-07:25

Nonstop10h 35m

London Heathrow

Wed 31/12

00:00-15:00

Nonstop0h 00m

₹ 44,050

San FranciscoLondon

SFO San Francisco - LHR London Heathrow

SFOLHR

San Francisco

Sun 25/10

10:44-06:55

1 stop13h 11m

London Heathrow

Wed 31/12

00:00-15:00

Nonstop0h 00m

₹ 44,434

San FranciscoLondon

SFO San Francisco - LHR London Heathrow

SFOLHR

San Francisco

Thu 24/12

15:33-20:55

1 stop21h 22m

London Heathrow

Wed 31/12

00:00-15:00

Nonstop0h 00m

₹ 47,601

San FranciscoLondon

SFO San Francisco - LHR London Heathrow

SFOLHR

San Francisco

Tue 15/12

22:00-21:40

1 stop15h 40m

London Heathrow

Wed 31/12

00:00-15:00

Nonstop0h 00m

₹ 47,601

San FranciscoLondon

SFO San Francisco - LHR London Heathrow

SFOLHR

San Francisco

Sat 24/10

17:55-12:15

Nonstop10h 20m

London Heathrow

Wed 31/12

00:00-15:00

Nonstop0h 00m

₹ 48,656

San FranciscoLondon

SFO San Francisco - LHR London Heathrow

SFOLHR

San Francisco

Sat 24/10

17:55-12:15

Nonstop10h 20m

London Heathrow

Wed 31/12

00:00-15:00

Nonstop0h 00m

₹ 48,848

San FranciscoLondon

SFO San Francisco - LHR London Heathrow

SFOLHR

San Francisco

Sat 7/11

12:50-07:25

Nonstop10h 35m

London Heathrow

Wed 31/12

00:00-15:00

Nonstop0h 00m

₹ 48,848

Flights are sorted by cheapest return flights first.

Deals found on 29/9

Showing 1-10 of 23 resultsSorted by cheapest first
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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 return price

Cheapflights Insights

Everything you need to know about your flight from San Francisco to London

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

Currently, February is the cheapest month in which you can book a flight from San Francisco to London (average of ₹ 62,380). Flying from San Francisco to London in June is currently the most expensive (average of ₹ 123,512). 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?

It’s optimal to fly from San Francisco to London in the morning. By choosing this option you can save up to 34% on the cost of your flight, compared to a flight at midday.

Weekly flight availability from San Francisco to London

The most flights from SFO to LON are scheduled on a Monday (38 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (31 on average).

How much does it cost for a return flight from San Francisco to London?

Airfare is typical for this route at the moment.
San Francisco to London flights typically cost between ₹ 66,219 and ₹ 95,585 in February.
The cheapest return price found within the last 5 days was ₹ 70,153 on United Airlines (3 Feb–5 Feb).

How often are flights from San Francisco to London delayed?

About 11% of weekly flights between San Francisco and London have experienced delays in the past year, with the average delay time being 152 minutes.

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

Historically, flights departing in the evening are less likely to be delayed, whereas flights leaving in the morning 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 past year, British Airways have had the lowest number of delays on this route, with just 9% of flights being delayed.

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

Booking 38 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Francisco to London. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Related info for your journey

  • 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 35 outbound flights to London per day from 0 airlines. San Francisco is conveniently located just 17.7 km from San Francisco’s city centre.

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

    There are many flights that can get you from San Francisco to London in 14h 05m. Fly via Scandinavian Airlines or United Airlines to get the fastest option. There are 8610 km between San Francisco and London. This flight may include one or multiple stops.

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

    Consider Air Canada (85%), Austrian Airlines (85%) or United Airlines (85%) when booking your flight. These represent the most reliable airlines when flying from San Francisco to London.

  • 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 holiday 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, February is the cheapest month in which you can book a flight from San Francisco to London (average of ₹ 62,380). Flying from San Francisco to London in June is currently the most expensive (average of ₹ 123,512). 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

Travelling to a place near London?

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Hounslow
Kingston upon Thames

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