Cheap Flight Tickets from San Francisco (SFO) to London (LHR), Starting at $538

Good to Know: Cheapest and Fastest SFO - LHR Flights

Useful information for finding best airline tickets from San Francisco International to London Heathrow on your next trip.

Cheapest Round Trip Flight

$725

AS Alaska Airlines • 2 stops • 34h 15m

Oct 17 – Oct 27

The cheapest round trip flight from San Francisco to London (SFO-LHR-SFO) is currently $725

🔍 Search Flights

Cheapest Direct Flight

$594

AS Alaska Airlines • nonstop • 17h 5m

Oct 17

The cheapest nonstop flight from San Francisco to London (SFO-LHR) is currently $594

🔍 Search Flights

Fastest Flight

10m

The fastest nonstop flight from San Francisco to London (SFO-LHR) takes 10m

Top Airlines Flying from San Francisco to London

Delta Airline, DL

Delta Airlines

Alaska Airlines -AS

Alaska Airlines

Turkish Airlines - TK

Turkish Airlines

Air France-AF

Air France

Virgin Atlantic (VS)

Virgin Atlantic

TAP Air Portugal Airline (TP)

TAP - Air Portugal

LOT Polish Airlines (LO)

LOT - Polish Airlines

United Airlines, UA

United Airlines

Lufthansa Airline (LH)

Lufthansa Airlines

WestJet Airlines

WestJet Airlines

Latest Flight Deals from San Francisco (SFO) to London (LHR)

Compare and book low fare round-trip air tickets from San Francisco to London. Ideal for travelers with confirmed return itineraries.

Oct 17 - Oct 27, Economy
AS
San Francisco → London
34h 15m
9:59 AM - 3:05 PM • 2 stops
AS
San Francisco → London
26h 50m
2:45 PM - 10:55 PM • 1 stop
$725
Alaska Airlines
Oct 17 - Oct 27, Economy
DL
San Francisco → London
44h 10m
10:00 PM - 8:50 AM • 1 stop
DL
San Francisco → London
21h 55m
6:30 AM - 12:45 PM • 1 stop
$1089
Delta Airlines
Oct 17 - Oct 27, Economy
DL
San Francisco → London
23h 30m
10:00 PM - 8:10 PM • 1 stop
DL
San Francisco → London
18h 20m
11:50 AM - 3:50 PM • nonstop
$1105
Delta Airlines
Oct 17 - Oct 27, Economy
DL
San Francisco → London
22h 25m
9:30 AM - 7:15 AM • 1 stop
DL
San Francisco → London
21h 55m
6:30 AM - 12:45 PM • 1 stop
$1126
Delta Airlines
Oct 17 - Oct 27, Economy
DL
San Francisco → London
17h
5:55 PM - 12:15 PM • nonstop
DL
San Francisco → London
18h 20m
11:50 AM - 3:50 PM • nonstop
$1150
Delta Airlines
Oct 17 - Oct 27, Economy
DL
San Francisco → London
23h 55m
11:45 AM - 10:20 AM • 1 stop
DL
San Francisco → London
18h 20m
11:50 AM - 3:50 PM • nonstop
$1155
Delta Airlines

Fly from San Francisco to London with the Best Airfare Deals on FareLeaders

Looking for a cheap last-minute deal or the best round-trip flight from San Francisco to London? Find the biggest savings on one-way and round-trip tickets right here.

FAQs on San Francisco to London Flights

What are the airports in San Francisco?
SFO
What’s the most popular airline flying from SFO to LHR?
The most popular airline flying from San Francisco to London are
Can I fly from SFO to LHR non-stop?
Yes, you can fly SFO to LHR non-stop on
Which airlines fly nonstop between San Francisco and London?
The non-stop flights between San Francisco and London are .
What’s the earliest departure time from SFO to LHR Airport?
The earliest flight leaves SFO at 7:00 am and lands in LHR - London Heathrow
What are the airports in London?
LHR
Can I make changes to my San Francisco to London flight tickets or cancel them on FareLeaders.com?
No. We are an airfare comparison site. All the tickets are booked by the travel agent offering the flight deal and any changes or cancellations to be made are directly done directly by them or the airlines.
Can I cancel my flight tickets from SFO to LHR?
Read the fare rules of the San Francisco to London air tickets booked. Some airlines allow you to cancel the tickets within a stipulated time period with a cancellation fee.
Which airline alliances offer flights from San Francisco and London?
operate flights between San Francisco and London
How long does a flight from San Francisco to London take?
It takes approximately 11 hour to fly non-stop from SFO to LHR, which is 5367.55 miles by air.
Which airlines provide the cheapest flights from San Francisco (SFO) to London (LHR) ?
In the past couple of days, the cheapest tickets to LHR from SFO were found on AS : USD 725
Do I need a passport to fly between SFO and LHR?
Yes
What’s the latest departure time from SFO to LHR ?
The last flight leaves SFO at 4:4500 pm

San Francisco (SFO) to London (LHR): Airport Information

Origin Airport San Francisco International , San Francisco, US
Destination Airport London Heathrow , London, GB
Distance 5368 miles

More Flight Options for San Francisco (SFO) and London (LHR)

Why Fareleaders for SFO to LHR Plane Tickets

Lowest Prices
Lowest Prices
Uncover the best deals on San Francisco to London flights by comparing fares from hundreds of airlines and agencies.
New Deals
New Deals Everyday
Get the best prices on SFO to LHR flights—we update our fares daily so you never miss a saving.
Best Travel Options
No Service Fees
Compare hundreds of San Francisco to London flights and secure the best deals—we never add any service fees.
Get Fare Drop Alert
Be the first to know when fares drop for the San Francisco (SFO) to London (LHR)
Terms and Conditions*