S$332 Cheap Flights from San Francisco to London

View S$332 flight on Tue, 20 Jan, 2026Opens in a new window

Popular airlines from San Francisco Intl. Airport (SFO) to London

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Cheap Flights from San Francisco to London (SFO-LON)

Prices were available within the past 7 days and start at S$332 for one-way flights and S$784 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Mon, 10 Nov - Tue, 18 Nov
SFO
San Francisco
LHR
London
S$784 Return, found 12 hours ago
S$784
Return
found 12 hours ago
Select United flight, departing Mon, 10 Nov from San Francisco to London, returning Tue, 18 Nov, priced at S$784 found 12 hours ago
Air Canada
Mon, 10 Nov - Tue, 18 Nov
SFO
San Francisco
LHR
London
S$792 Return, found 12 hours ago
S$792
Return
found 12 hours ago
Select Air Canada flight, departing Mon, 10 Nov from San Francisco to London, returning Tue, 18 Nov, priced at S$792 found 12 hours ago
United
Tue, 13 Jan - Tue, 27 Jan
SFO
San Francisco
LHR
London
S$808 Return, found 3 days ago
S$808
Return
found 3 days ago
Select United flight, departing Tue, 13 Jan from San Francisco to London, returning Tue, 27 Jan, priced at S$808 found 3 days ago
Delta
Mon, 10 Nov - Tue, 18 Nov
SFO
San Francisco
LHR
London
S$821 Return, found 12 hours ago
S$821
Return
found 12 hours ago
Select Delta flight, departing Mon, 10 Nov from San Francisco to London, returning Tue, 18 Nov, priced at S$821 found 12 hours ago
Virgin Atlantic
Mon, 10 Nov - Tue, 18 Nov
SFO
San Francisco
LHR
London
S$821 Return, found 12 hours ago
S$821
Return
found 12 hours ago
Select Virgin Atlantic flight, departing Mon, 10 Nov from San Francisco to London, returning Tue, 18 Nov, priced at S$821 found 12 hours ago
Air Canada
Mon, 10 Nov - Tue, 18 Nov
SFO
San Francisco
LHR
London
S$830 Return, found 12 hours ago
S$830
Return
found 12 hours ago
Select Air Canada flight, departing Mon, 10 Nov from San Francisco to London, returning Tue, 18 Nov, priced at S$830 found 12 hours ago
Lufthansa
Mon, 10 Nov - Tue, 18 Nov
SFO
San Francisco
LHR
London
S$832 Return, found 12 hours ago
S$832
Return
found 12 hours ago
Select Lufthansa flight, departing Mon, 10 Nov from San Francisco to London, returning Tue, 18 Nov, priced at S$832 found 12 hours ago
Swiss International Air Lines
Tue, 14 Oct - Thu, 23 Oct
SFO
San Francisco
LHR
London
S$850 Return, found 6 days ago
S$850
Return
found 6 days ago
Select Swiss International Air Lines flight, departing Tue, 14 Oct from San Francisco to London, returning Thu, 23 Oct, priced at S$850 found 6 days ago
British Airways
Mon, 10 Nov - Tue, 18 Nov
SFO
San Francisco
LHR
London
S$861 Return, found 12 hours ago
S$861
Return
found 12 hours ago
Select British Airways flight, departing Mon, 10 Nov from San Francisco to London, returning Tue, 18 Nov, priced at S$861 found 12 hours ago
KLM
Mon, 10 Nov - Tue, 18 Nov
SFO
San Francisco
LHR
London
S$865 Return, found 12 hours ago
S$865
Return
found 12 hours ago
Select KLM flight, departing Mon, 10 Nov from San Francisco to London, returning Tue, 18 Nov, priced at S$865 found 12 hours ago

Find the cheapest month to fly from San Francisco (SFO) to London (LON)

February is typically the cheapest month to fly

From S$578 - S$1,133 per traveller.
San Francisco to London route information
Origin airport
San Francisco Intl.
Destination airport
Heathrow
Return price
S$783
Distance
8567 km

Perfect flights from San Francisco to London

Your Journey from San Francisco to London

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Choosing Your Ideal Flight

With Expedia, you have access to a wide range of airlines, including WestJet, United, Delta, Virgin Atlantic, Air Canada, British Airways, Austrian Airlines, Lufthansa, Swiss International Air Lines, KLM. Our selection of flights from San Francisco Intl. to LON-All Airports caters to every traveler's requirements, ensuring your journey aligns with your schedule. With options from 20 airlines, you're bound to find the perfect flight.
 

Maximizing Value with San Francisco to London Flights

Experience the joy of finding cheap flights from San Francisco Intl. to LON-All Airports that fit your budget. Keep an eye out for our special deals and discounts, and check our flexible one-way fares from S$332 and roundtrip prices from S$784*.
 

Pre-Flight Essentials

Ensure a smooth journey from San Francisco to London with Expedia. From information about check-in times and in-flight amenities to guidance on baggage policies, we provide all the essentials to prepare you for your flight.
 

Experience the Vibrant London

Picture yourself stepping off the plane in London and immersing yourself in the unique atmosphere of . From local markets to cultural festivals, each city offers its distinct charm. Make the most of your trip by exploring local attractions and indulging in the local cuisine. With Expedia, explore all this and more, tailored to your budget.
 

Added Convenience on Your San Francisco to London Flight

Traveling with Expedia is more than just a flight. We offer details about in-flight amenities, baggage policies, and more to ensure a smooth and hassle-free journey. Choose from our variety of airlines and embark on a memorable journey from San Francisco to London.
 

Beyond the Flight – Exploring London

With Expedia, your adventure extends beyond the flight. Explore London at your own pace by renting a car or booking a hotel. Discover hidden gems off the beaten path and create unforgettable memories.
 

Book Your Flight from San Francisco to London with Confidence

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*Note: Prices may vary based on availability and are subject to change.

Explore a world of travel with Expedia

London Airports

London

San Francisco to Heathrow
S$783.10
San Francisco Airports

San Jose

Norman Y. Mineta San Jose Intl. to London
S$913.60
*Available to Expedia members.