What percentage of San Francisco to London flights are direct?

In the trailing 90 days, approximately 18.3% of flights from San Francisco to London were direct. For travelers opting for connecting flights, the median number of stopovers was typically 2. This suggests that a significant majority of routes on this path involve at least one stop.

How many hours is the flight from San Francisco to London?

A direct flight from San Francisco to London typically takes about 10 hours and 25 minutes. This is based on a median direct flight time of 625 minutes. Flights with one stop, however, historically average around 15 hours and 5 minutes, which is a median of 905 minutes.

Are non-stop flights from San Francisco to London worth the extra cost?

Historically, direct flights from San Francisco to London typically cost about 5% more than connecting flights. The median price for a direct flight was $1089, while connecting flights had a median price of $1033. Direct flights constituted approximately 17.9% of the available options in the trailing 90 days, suggesting they are less common but offer a time-saving convenience for a modest price increase.

Flights From San Francisco

To London

Cheap Flights from San Francisco to London

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Prices updated 4 days ago

476 airlines compared

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Fares are subject to change and may not be available for all dates. (Data last updated Oct 12, 2026.)

Today’s best flight deals from San Francisco to London

Explore current cheapest deals departing from San Francisco to London

2026-10-13 – 2026-10-20
SFO - London
80% AI deal score
$754
$659
Round trip
2026-10-14 – 2026-10-21
SFO - London
82% AI deal score
$774
$660
Round trip
2027-02-10 – 2027-02-16
SFO - London
80% AI deal score
$728
$661
Round trip
2026-11-07 – 2026-11-18
SFO - London
71% AI deal score
$605
$662
Round trip
2026-11-02 – 2026-11-10
SFO - London
75% AI deal score
$635
$662
Round trip
2026-11-04 – 2026-11-18
SFO - London
71% AI deal score
$598
$662
Round trip
2026-11-02 – 2026-11-17
SFO - London
75% AI deal score
$614
$662
Round trip
2027-01-09 – 2027-01-21
SFO - London
77% AI deal score
$668
$662
Round trip
2026-11-13 – 2026-11-22
SFO - London
71% AI deal score
$609
$663
Round trip
2027-01-08 – 2027-01-24
SFO - London
77% AI deal score
$661
$663
Round trip

San Francisco to London: Overview

Insights for flights from San Francisco to London

Right now, only 2% of recent fares from San Francisco to London are classified as a good price. For travelers looking for cheap flights from San Francisco to London, fares typically range from $879–$1305, with a median of $1044. Current fares are near the typical level for this route. New deals appear almost daily, offering frequent opportunities to find competitive prices.

When is the cheapest time to fly from San Francisco to London? Based on recent data, the most affordable month to fly is April, with a median fare of $866. Following closely are February, with a median of $913, and January, with a median of $914. Planning your trip during these months could result in lower prices.

Most itineraries from San Francisco to London connect at least once, with only 18.3% of recent fares being direct flights from San Francisco to London. For connecting itineraries, the typical number of stopovers is 2. This means that while direct options exist, you will likely encounter routes with one or more stops.

How long is the flight from San Francisco to London? A typical journey from San Francisco to London takes about 10h 25m, including connections. Given that most itineraries involve stopovers, this median duration accounts for the total travel time from departure to arrival. Non-stop flights also have a median duration of 10h 25m, while connecting flights typically take 18h 50m.

How much is a round trip from San Francisco to London

Regular price: $705 - $1,442

Prices are currently below the regular range.

The regular price range for flights from San Francisco to London is $705 to $1442. The current lowest deal is $640 with Scandinavian Airlines for travel from Dec 4-Dec 7.

now $640

Low $705

High $1,442

The cheapest time to fly from San Francisco to London

The cheapest month to fly from San Francisco to London is April, with a median price of $906. The most expensive month is June, with a median price of $1264. Prices are generally lower from January to November.

April

Cheapest

Flights from $906

June

Most Expensive

Flights from $1,264

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from San Francisco to London

United Airlines

Last-minute flights going from San Francisco to London

Sat, Oct 10

⌛ Last-Minute

SFO - London

San Francisco (SFO) - London (LHR)

JetBlue Airways

$959

$891

One-way

Mon, Oct 12

⌛ Last-Minute

SFO - London

San Francisco (SFO) - London (LGW)

TAP Portugal

$775

$686

One-way

Tue, Oct 13

⌛ Last-Minute

SFO - London

San Francisco (SFO) - London (LGW)

TAP Portugal

$735

$658

One-way

Tue, Oct 13

⌛ Last-Minute

SFO - London

San Francisco (SFO) - London (LHR)

TAP Portugal

$714

$777

One-way

Wed, Oct 14

⌛ Last-Minute

SFO - London

San Francisco (SFO) - London (LHR)

TAP Portugal

$792

$664

One-way

Wed, Oct 14

⌛ Last-Minute

SFO - London

San Francisco (SFO) - London (LGW)

TAP Portugal

$847

$687

One-way

Biggest price drops on these dates for flights from San Francisco to London

2 nights

Dec 11 - Dec 13

$858 → $627

27%

5 nights

Dec 2 - Dec 7

$837 → $659

21%

5 nights

Oct 15 - Oct 20

$804 → $670

17%

7 nights

Oct 14 - Oct 21

$769 → $663

14%

Popular Airports to fly from San Francisco to London

San Francisco - London route insights

💸 Price insights

Recent fares are near the typical level.

Recent fares from San Francisco to London are near the typical level of $1044.

📅 Best time to fly

Fly in April for the lowest prices.

Historically, April offers the lowest median prices at $866 for this route.

⏱️ Flight duration

Direct flights take 10h 25m.

The median flight duration for direct flights is 10h 25m.

✈️ Airlines & availability

Connecting flights are dominant.

Connecting flights make up 81.7% of options, with a median of 2 stopovers.

🏆 Airline highlight

United Airlines offers direct flights.

United Airlines is one of the carriers providing direct service on this long-haul route.

🎯 Booking tip

Deals appear frequently.

Deals for flights from San Francisco to London are frequent, appearing within 30 days.

San Francisco main airports to depart from

San Francisco International (SFO)

Cheapest

San Francisco International is a convenient option for flights from San Francisco to London.

📍 ~18 km from city center (reachable by car or train)

💸 Flights from ~$482

London main airports to arrive at

Heathrow (LHR)

Cheapest

London Heathrow is a major international airport, offering extensive connections for your trip to London.

📍 ~23 km from London city center (reachable by car, train, and bus)

💸 Flights from ~$656

Airports nearby London used as alternative

Birmingham (BHX)

Cheapest

Birmingham Airport is a major international hub with excellent rail connectivity, useful when London airports are congested.

📍 ~160 km from London (reachable by train)

💸 Flights from ~$664

Business & First Class Flight Deals to London

Discover luxury on the budget with premium cabin class on flights from San Francisco to London.

Elite

Best Elite deals to London

Exclusive daily First Class, Business Class, and Premium Economy flight deals, refreshed every 24 hours.

From SFO

Elite

Feb 18

London, United Kingdom

94% AI deal score

$1,725

$1,096

Save $629

Scandinavian Airlines

Business Class

From SFO

Elite

Mar 13

London, United Kingdom

93% AI deal score

$20,955

$7,864

Save $13,091

From SFO

Elite

Mar 14

London, United Kingdom

93% AI deal score

$20,955

$7,864

Save $13,091

From SFO

Elite

Mar 13

London, United Kingdom

93% AI deal score

$20,592

$8,114

Save $12,478

From SFO

Elite

Dec 06

London, United Kingdom

93% AI deal score

$22,792

$15,446

Save $7,346

Swiss International Air Lines

Business Class

From SFO

Elite

Nov 15

London, United Kingdom

93% AI deal score

$22,909

$15,446

Save $7,463

Swiss International Air Lines

Business Class

From SFO

Elite

Dec 13

London, United Kingdom

93% AI deal score

$23,791

$15,466

Save $8,325

Swiss International Air Lines

Business Class

From SFO

Elite

Mar 14

London, United Kingdom

92% AI deal score

$20,551

$12,964

Save $7,587

From SFO

Elite

Dec 24

London, United Kingdom

92% AI deal score

$21,780

$15,446

Save $6,334

Swiss International Air Lines

Business Class

From SFO

Elite

Mar 03

London, United Kingdom

92% AI deal score

$1,840

$952

Save $888

Scandinavian Airlines

Business Class

From SFO

Elite

Nov 23

London, United Kingdom

92% AI deal score

$2,465

$1,686

Save $779

TAP Portugal

Business Class

From SFO

Elite

Mar 15

London, United Kingdom

91% AI deal score

$19,876

$15,518

Save $4,358

Swiss International Air Lines

Business Class

Frequently Asked Questions About Flights to London

Historically, the optimal booking window for flights from San Francisco to London is typically between 28 and 59 days prior to departure. During this period, the average price observed was around $1145. Booking within 0-6 days of departure typically sees prices rise to approximately $1259. Prices for bookings made 60 or more days out averaged $1156, indicating a slight increase compared to the best window.

Across the trailing quarter, a good price for a flight from San Francisco to London is considered to be $879. The median price for this route historically stands at $1044. Prices can go up to $1305 or more, representing the higher end of fares observed over the trailing 90 days.

Historically, April has been the cheapest month to fly from San Francisco to London, with a median price of $866. February and January also offer relatively lower prices, with median fares of $913 and $914, respectively. The annual median price for this route is $1044, indicating that these months typically offer savings compared to the yearly average.

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Flights to London from other cities

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San Francisco to London: Overview

Insights for flights from San Francisco to London

How much is a round trip from San Francisco to London

Regular price: $705 - $1,442

Prices are currently below the regular range.

The regular price range for flights from San Francisco to London is $705 to $1442. The current lowest deal is $640 with Scandinavian Airlines for travel from Dec 4-Dec 7.

now $640

Low $705

High $1,442

The cheapest time to fly from San Francisco to London

April

Cheapest

Flights from $906

June

Most Expensive

Flights from $1,264

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from San Francisco to London

United Airlines

Last-minute flights going from San Francisco to London

Sat, Oct 10

⌛ Last-Minute

SFO - London

San Francisco (SFO) - London (LHR)

JetBlue Airways

$959

$891

One-way

Mon, Oct 12

⌛ Last-Minute

SFO - London

San Francisco (SFO) - London (LGW)

TAP Portugal

$775

$686

One-way

Tue, Oct 13

⌛ Last-Minute

SFO - London

San Francisco (SFO) - London (LGW)

TAP Portugal

$735

$658

One-way

Tue, Oct 13

⌛ Last-Minute

SFO - London

San Francisco (SFO) - London (LHR)

TAP Portugal

$714

$777

One-way

Wed, Oct 14

⌛ Last-Minute

SFO - London

San Francisco (SFO) - London (LHR)

TAP Portugal

$792

$664

One-way

Wed, Oct 14

⌛ Last-Minute

SFO - London

San Francisco (SFO) - London (LGW)

TAP Portugal

$847

$687

One-way

Biggest price drops on these dates for flights from San Francisco to London

2 nights

Dec 11 - Dec 13

$858 → $627

27%

5 nights

Dec 2 - Dec 7

$837 → $659

21%

5 nights

Oct 15 - Oct 20

$804 → $670

17%

7 nights

Oct 14 - Oct 21

$769 → $663

14%

Popular Airports to fly from San Francisco to London

San Francisco - London route insights

💸 Price insights

Recent fares are near the typical level.

Recent fares from San Francisco to London are near the typical level of $1044.

📅 Best time to fly

Fly in April for the lowest prices.

Historically, April offers the lowest median prices at $866 for this route.

⏱️ Flight duration

Direct flights take 10h 25m.

The median flight duration for direct flights is 10h 25m.

✈️ Airlines & availability

Connecting flights are dominant.

Connecting flights make up 81.7% of options, with a median of 2 stopovers.

🏆 Airline highlight

United Airlines offers direct flights.

United Airlines is one of the carriers providing direct service on this long-haul route.

🎯 Booking tip

Deals appear frequently.

Deals for flights from San Francisco to London are frequent, appearing within 30 days.

San Francisco main airports to depart from

San Francisco International (SFO)

Cheapest

San Francisco International is a convenient option for flights from San Francisco to London.

📍 ~18 km from city center (reachable by car or train)

💸 Flights from ~$482

London main airports to arrive at

Heathrow (LHR)

Cheapest

London Heathrow is a major international airport, offering extensive connections for your trip to London.

📍 ~23 km from London city center (reachable by car, train, and bus)

💸 Flights from ~$656

Airports nearby London used as alternative

Birmingham (BHX)

Cheapest

Birmingham Airport is a major international hub with excellent rail connectivity, useful when London airports are congested.

📍 ~160 km from London (reachable by train)

💸 Flights from ~$664

Business & First Class Flight Deals to London

Discover luxury on the budget with premium cabin class on flights from San Francisco to London.

Elite

Best Elite deals to London

Exclusive daily First Class, Business Class, and Premium Economy flight deals, refreshed every 24 hours.

From SFO

Elite

Feb 18

London, United Kingdom

94% AI deal score

$1,725

$1,096

Save $629

Scandinavian Airlines

Business Class

From SFO

Elite

Mar 13

London, United Kingdom

93% AI deal score

$20,955

$7,864

Save $13,091

From SFO

Elite

Mar 14

London, United Kingdom

93% AI deal score

$20,955

$7,864

Save $13,091

From SFO

Elite

Mar 13

London, United Kingdom

93% AI deal score

$20,592

$8,114

Save $12,478

From SFO

Elite

Dec 06

London, United Kingdom

93% AI deal score

$22,792

$15,446

Save $7,346

Swiss International Air Lines

Business Class

From SFO

Elite

Nov 15

London, United Kingdom

93% AI deal score

$22,909

$15,446

Save $7,463

Swiss International Air Lines

Business Class

From SFO

Elite

Dec 13

London, United Kingdom

93% AI deal score

$23,791

$15,466

Save $8,325

Swiss International Air Lines

Business Class

From SFO

Elite

Mar 14

London, United Kingdom

92% AI deal score

$20,551

$12,964

Save $7,587

From SFO

Elite

Dec 24

London, United Kingdom

92% AI deal score

$21,780

$15,446

Save $6,334

Swiss International Air Lines

Business Class

From SFO

Elite

Mar 03

London, United Kingdom

92% AI deal score

$1,840

$952

Save $888

Scandinavian Airlines

Business Class

From SFO

Elite

Nov 23

London, United Kingdom

92% AI deal score

$2,465

$1,686

Save $779

TAP Portugal

Business Class

From SFO

Elite

Mar 15

London, United Kingdom

91% AI deal score

$19,876

$15,518

Save $4,358

Swiss International Air Lines

Business Class

Frequently Asked Questions About Flights to London

Cheap Flights from San Francisco to London

Today’s best flight deals from San Francisco to London

San Francisco to London: Overview

Insights for flights from San Francisco to London

How much is a round trip from San Francisco to London

The cheapest time to fly from San Francisco to London

Direct flights from San Francisco to London

Last-minute flights going from San Francisco to London

Biggest price drops on these dates for flights from San Francisco to London

Popular Airports to fly from San Francisco to London

San Francisco - London route insights

Recent fares are near the typical level.

Fly in April for the lowest prices.

Direct flights take 10h 25m.

Connecting flights are dominant.

United Airlines offers direct flights.

Deals appear frequently.

San Francisco main airports to depart from

London main airports to arrive at

Airports nearby London used as alternative

Business & First Class Flight Deals to London

Best Elite deals to London

Feb 18

Mar 13

Mar 14

Mar 13

Dec 06

Nov 15

Dec 13

Mar 14

Dec 24

Mar 03

Nov 23

Mar 15

Frequently Asked Questions About Flights to London

When should I buy San Francisco to London tickets?

What is a good price for a flight from San Francisco to London?

What's the cheapest month to fly from San Francisco to London?

What percentage of San Francisco to London flights are direct?

How many hours is the flight from San Francisco to London?

Are non-stop flights from San Francisco to London worth the extra cost?

Related routes

More routes from San Francisco

Flights to London from other cities

San Francisco to London: Overview

Insights for flights from San Francisco to London

How much is a round trip from San Francisco to London

The cheapest time to fly from San Francisco to London

Direct flights from San Francisco to London

Last-minute flights going from San Francisco to London

Biggest price drops on these dates for flights from San Francisco to London

Popular Airports to fly from San Francisco to London

San Francisco - London route insights

Recent fares are near the typical level.

Fly in April for the lowest prices.

Direct flights take 10h 25m.

Connecting flights are dominant.

United Airlines offers direct flights.

Deals appear frequently.

San Francisco main airports to depart from

London main airports to arrive at

Airports nearby London used as alternative

Business & First Class Flight Deals to London

Best Elite deals to London

Feb 18

Mar 13

Mar 14

Mar 13

Dec 06

Nov 15

Dec 13

Mar 14

Dec 24

Mar 03

Nov 23

Mar 15

Frequently Asked Questions About Flights to London

When should I buy San Francisco to London tickets?

What is a good price for a flight from San Francisco to London?

What's the cheapest month to fly from San Francisco to London?