San Francisco to London First Class Flights (SFO-LON)

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

The Latest First Class Flight Deals from San Francisco to London

Round-trip

One-way

Quickest round-trip

Quickest one-way

Best round-trip

Best one-way

Recent first class round-trip flight deals to London

Enter your travel dates to find the best prices.

8:35 pm - 3:10 pm

SFO

LHR

10h 35mnonstop

11:45 am - 2:55 pm

LHR

SFO

11h 10mnonstop

$5,805British Airways

Mon, Nov 23 - Fri, Nov 27

5:29 am - 2:25 pm

SFO

LHR

24h 56m

1 stop

10:05 pm - 12:50 pm

LHR

SFO

22h 45m

2 stops

$5,823Multiple Airlines

Sun, Aug 2 - Sat, Aug 8

4:35 pm - 11:00 am

SFO

LHR

10h 25mnonstop

11:45 am - 3:55 pm

LHR

SFO

11h 10mnonstop

$6,126British Airways

Fri, Oct 23 - Fri, Oct 30

4:35 pm - 11:00 am

SFO

LHR

10h 25mnonstop

10:45 am - 1:50 pm

LHR

SFO

11h 05mnonstop

$6,259British Airways

Sun, Aug 16 - Tue, Sep 1

4:35 pm - 11:00 am

SFO

LHR

10h 25mnonstop

10:45 am - 1:50 pm

LHR

SFO

11h 05mnonstop

$6,317British Airways

Sat, Aug 22 - Sat, Sep 5

1:22 pm - 12:10 pm

SFO

LHR

15h 48m

1 stop

3:35 pm - 12:43 am

LHR

SFO

17h 08m

1 stop

$6,344Multiple Airlines

Mon, Oct 26 - Wed, Nov 4

4:35 pm - 11:00 am

SFO

LHR

10h 25mnonstop

10:45 am - 1:50 pm

LHR

SFO

11h 05mnonstop

$6,457British Airways

Sat, Aug 22 - Sat, Sep 5

10:24 am - 9:10 am

SFO

LHR

14h 46m

1 stop

10:45 am - 1:50 pm

LHR

SFO

11h 05mnonstop

$6,462British Airways

Sat, Aug 15 - Sat, Aug 22

12:51 pm - 10:35 am

SFO

LHR

13h 44m

1 stop

3:05 pm - 10:20 pm

LHR

SFO

15h 15m

1 stop

$6,472British Airways

Sat, Aug 15 - Sat, Aug 22

12:00 pm - 6:30 am

SFO

LGW

34h 30m

1 stop

10:30 am - 9:00 am

LGW

SFO

30h 30m

1 stop

$42,072China Eastern

Mon, Nov 23 - Fri, Nov 27

First Class Flights from San Francisco to London

Get data-powered insights and trends for First Class flights from San Francisco to London to help you craft the best travel plan

What cabin class options are available on San Francisco to London flights?

There are 4 cabin classes available to choose from on San Francisco to London flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

What is the cheapest airline that flies First Class from San Francisco to London?

Finnair and British Airways are popular carriers operating the cheapest First Class flights from San Francisco to London

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

The month of February is, on average, the cheapest month to fly First Class to London from San Francisco, with most prices found around $4,544. If you aren’t able to travel during the month of February, then book flights to London from San Francisco during November instead. Flights to San Francisco in November, while not as cheap as those in February, still average around $4,944.

What airlines fly First Class from San Francisco to London?

British Airways is the most popular airline offering First Class flights from San Francisco to London, with 67% of our users opting to fly with them when traveling. Other popular options include Alaska Airlines and American Airlines. There are a total of 3 different airlines flying from San Francisco to London.

About First Class Flights from San Francisco to London

Helpful overview information on London First Class ticket prices, flight duration, and airlines

Best Price Found	$6,224
Fastest flight time	10h 20m
Direct flights	Every day
Airports in London	6 airports

The best one-way flight to London from San Francisco in the past 72 hours is $6,224. The best round-trip flight deal from San Francisco to London found on momondo in the last 72 hours is $7,184.

The fastest flight from San Francisco to London takes 10h 20m

Direct flights go from San Francisco to London every day.

There are 6 airports in London. From San Francisco there are direct flights to London Heathrow (LHR).

Search flight deals

Frequently Asked Questions About First Class Flights from San Francisco to London

How much does a first class flight from San Francisco to London cost?

On average, first class flights start at $9,923, depending on departure dates and origin. The cheapest first class ticket for this route found most recently is $5,134.

When did momondo last update prices for flights from San Francisco Airport to London?

Prices for flights from San Francisco Airport to London refresh daily.

How many operators does momondo search for flights from San Francisco Airport to London?

There are 21 operators available for flights from San Francisco Airport to London as of July 2026.

How old do you have to be to fly from San Francisco Airport to London?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from San Francisco Airport to London.

What documentation or ID do you need to fly to London?

The travel and health documents required for your trip to London can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

An easier way to manage your London trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Mon 8/17

Mon 8/24

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to London

Nearby airports

Popular routes

Other cabin classes

Complete your trip

Feeling lucky

Airports near London

Flights to London City Airport

Flights to London Heathrow Airport

Flights to London Gatwick Airport

First Class Flights from San Francisco to London in 2026

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

The Latest First Class Flight Deals from San Francisco to London

Recent first class round-trip flight deals to London

Recent first class one-way flight deals to London

Quickest first class round-trip flight deals to London

Quickest first class one-way flight deals to London

Best first class round-trip flight deals to London

Best first class one-way flight deals to London

First Class Flights from San Francisco to London

What cabin class options are available on San Francisco to London flights?

What is the cheapest airline that flies First Class from San Francisco to London?

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

What airlines fly First Class from San Francisco to London?

About First Class Flights from San Francisco to London

Best Price Found

Fastest flight time

Direct flights

Airports in London

Frequently Asked Questions About First Class Flights from San Francisco to London

An easier way to manage your London trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to London

Airports near London

Airports listed have a maximum distance of 24.0 mi from London

Popular flights to London

Popular flights according to clicks in the last 7 days on momondo

Other cabin classes currently available on flights to London

List of cabin classes available on flights landing in London. Availability may vary depending on flight origin and airline.

Complete your trip to London

Explore popular destinations other users love

According to popular flight searches on momondo this year