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 have been direct. For travelers opting for connecting flights, the median number of stopovers has historically been 2. This indicates 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?

The median direct flight time from San Francisco to London is approximately 10 hours and 25 minutes, covering a distance of 8616 kilometers. For flights with one stop, the median duration increases significantly to about 15 hours and 10 minutes. Travelers should account for these differences when planning their journey.

Are there frequently good prices on flights from San Francisco to London?

Historically, good prices on flights from San Francisco to London have been frequent. This route is consistently identified as one with regular opportunities for favorable pricing. Travelers can typically find competitive deals when planning their trips.

Flights From San Francisco

To London

Cheap Flights from San Francisco to London

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Deals from

San Francisco

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

Prices updated 6 days ago

406 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Aug 2, 2026.)

Today’s best flight deals from San Francisco to London

Explore current cheapest deals departing from San Francisco to London

2026-10-16 – 2026-10-21
SFO - London
84% AI deal score
$756
$611
Round trip
2026-10-08 – 2026-10-15
SFO - London
76% AI deal score
$739
$659
Round trip
2026-09-17 – 2026-09-21
SFO - London
80% AI deal score
$734
$661
Round trip
2026-09-22 – 2026-09-29
SFO - London
79% AI deal score
$704
$661
Round trip
2026-10-15 – 2026-10-20
SFO - London
82% AI deal score
$761
$661
Round trip
2026-10-13 – 2026-10-20
SFO - London
79% AI deal score
$727
$661
Round trip
2026-10-15 – 2026-10-27
SFO - London
80% AI deal score
$715
$661
Round trip
2026-10-14 – 2026-10-27
SFO - London
80% AI deal score
$717
$661
Round trip
2026-10-19 – 2026-10-27
SFO - London
80% AI deal score
$724
$661
Round trip
2026-10-10 – 2026-10-20
SFO - London
80% AI deal score
$719
$661
Round trip

San Francisco to London: Overview

Insights for flights from San Francisco to London

Right now, only about 2% of recent fares from San Francisco to London are considered a good price. For cheap flights from San Francisco to London, prices typically range from $876 to $1313, with a median fare of $1033. Current fares are trending below the typical level, suggesting a potentially opportune time to consider booking.

When is the cheapest time to fly from San Francisco to London? Based on recent data, the most affordable month to fly is January, with a median fare of $675. Other cost-effective options include March, with a median fare of $824, and April, where the median fare is $839.

A typical journey from San Francisco to London takes about 10h 25m, including connections. This is a long-haul route, covering a significant distance of 8616 kilometers. Most itineraries for this route involve at least one stop, as only 18.3% of recent fares were for direct flights from San Francisco to London. For itineraries that do connect, the median number of stopovers is 2.

How much is a round trip from San Francisco to London

Regular price: $657 - $1,554

Prices for flights from San Francisco to London are currently below the regular range.

The regular price range for flights from San Francisco to London is between $657 and $1554. The current lowest deal is $610 with Condor Flugdienst for travel from Oct 16-Oct 21.

now $610

Low $657

High $1,554

The cheapest time to fly from San Francisco to London

Flights from SFO to LON are cheapest in November, with a median price of $818. The most expensive month to fly is June, with a median price of $1411. Prices are generally lower from January to December.

November

Cheapest

Flights from $818

June

Most Expensive

Flights from $1,411

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from San Francisco to London

British Airways

Last-minute flights going from San Francisco to London

Wed, Sep 16

⌛ Last-Minute

SFO - London

San Francisco (SFO) - London (LHR)

TAP Portugal

$703

$669

One-way

Thu, Sep 17

⌛ Last-Minute

SFO - London

San Francisco (SFO) - London (LHR)

TAP Portugal

$734

$661

One-way

Thu, Sep 17

⌛ Last-Minute

SFO - London

San Francisco (SFO) - London (LHR)

TAP Portugal

$704

$669

One-way

Sat, Sep 19

⌛ Last-Minute

SFO - London

San Francisco (SFO) - London (LHR)

TAP Portugal

$681

$669

One-way

Mon, Sep 21

⌛ Last-Minute

SFO - London

San Francisco (SFO) - London (LHR)

TAP Portugal

$683

$663

One-way

Tue, Sep 22

⌛ Last-Minute

SFO - London

San Francisco (SFO) - London (LGW)

TAP Portugal

$594

$662

One-way

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

5 nights

Dec 2 - Dec 7

$947 → $669

29%

7 nights

Dec 5 - Dec 12

$934 → $661

29%

2 nights

Dec 1 - Dec 3

$961 → $706

27%

3 nights

Dec 11 - Dec 14

$968 → $713

26%

Popular Airports to fly from San Francisco to London

San Francisco - London route insights

💸 Price insights

Recent fares below the typical level

Recent fares from San Francisco to London are below the typical level at $610.

📅 Best time to fly

November is historically cheapest

Historically, November is the cheapest month to fly from San Francisco to London, with a median price of $818.

⏱️ Flight duration

Direct flights average 10h 25m

Direct flights from San Francisco to London typically average 10h 25m, while connecting flights average 18h 19m.

✈️ Airlines & availability

Connecting flights are dominant

Connecting flights are dominant for this route, with 2 stopovers being typical when connecting.

🏆 Airline highlight

British Airways offers direct flights

British Airways is one airline that offers direct flights from San Francisco to London.

🎯 Booking tip

Deals appear frequently

Deals for flights from San Francisco to London appear frequently, with good prices available.

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 ~$610

London main airports to arrive at

Luton (LTN)

Cheapest

Luton Airport is a good option for travelers seeking potentially lower fares to London.

📍 ~44 km from London city center (reachable by car)

💸 Flights from ~$610

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 ~$750

Business & First Class Flight Deals to London

94% AI deal score

$21,242

$7,563

Save $13,679

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 for a ticket has been around $1037. Prices tend to be higher for last-minute bookings, with flights purchased 0-6 days out averaging $1176. Even bookings made 60+ days in advance show a slightly higher average price of $1051 compared to the best window.

Across the trailing quarter, a good price for a flight from San Francisco to London has historically been $876. This figure represents the 25th percentile of prices observed over a 90-day window. The median price for this route during the same period was $1033, while prices at the 75th percentile reached $1313.

Historically, January has been the cheapest month to fly from San Francisco to London, with a median price of $675. Other historically inexpensive months include March, with a median price of $824, and April, at $839. These prices are significantly lower than the annual median price of $1033 for this route, based on data from the trailing 270 days.

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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: $657 - $1,554

Prices for flights from San Francisco to London are currently below the regular range.

The regular price range for flights from San Francisco to London is between $657 and $1554. The current lowest deal is $610 with Condor Flugdienst for travel from Oct 16-Oct 21.

now $610

Low $657

High $1,554

The cheapest time to fly from San Francisco to London

November

Cheapest

Flights from $818

June

Most Expensive

Flights from $1,411

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from San Francisco to London

British Airways

Last-minute flights going from San Francisco to London

Wed, Sep 16

⌛ Last-Minute

SFO - London

San Francisco (SFO) - London (LHR)

TAP Portugal

$703

$669

One-way

Thu, Sep 17

⌛ Last-Minute

SFO - London

San Francisco (SFO) - London (LHR)

TAP Portugal

$734

$661

One-way

Thu, Sep 17

⌛ Last-Minute

SFO - London

San Francisco (SFO) - London (LHR)

TAP Portugal

$704

$669

One-way

Sat, Sep 19

⌛ Last-Minute

SFO - London

San Francisco (SFO) - London (LHR)

TAP Portugal

$681

$669

One-way

Mon, Sep 21

⌛ Last-Minute

SFO - London

San Francisco (SFO) - London (LHR)

TAP Portugal

$683

$663

One-way

Tue, Sep 22

⌛ Last-Minute

SFO - London

San Francisco (SFO) - London (LGW)

TAP Portugal

$594

$662

One-way

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

5 nights

Dec 2 - Dec 7

$947 → $669

29%

7 nights

Dec 5 - Dec 12

$934 → $661

29%

2 nights

Dec 1 - Dec 3

$961 → $706

27%

3 nights

Dec 11 - Dec 14

$968 → $713

26%

Popular Airports to fly from San Francisco to London