San Francisco to London Flights on Aer Lingus from $869.07*

Book San Francisco to London flight deals*

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$1.5K
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Range$1,539.98
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Flights from San Francisco to London

Aer Lingus offers flights to London with a fast connection from San Francisco. Fly from San Francisco to London with Aer Lingus and look forward to an Irish welcome on board.

Why fly San Francisco to London with Aer Lingus?

Book your flight to London with Aer Lingus and enjoy a warm Irish welcome onboard with complimentary meal and beverage service as well as a wide range of blockbuster movies, classic films, TV programmes and box sets or music videos at your leisure. Play games or stay connected with Wi-Fi and our mobile network inflight.

How long is the flight from San Francisco to London?

The total flight time from San Francisco to London is approximately 10 hours and 40 minutes. The total distance is 5370 miles/8640 km.

Things to do and places to see in London

Officially founded by the Romans, the UK’s capital, London, is a hub of international finance, trade, and culture. With ornate palaces and world-class museums and shopping, experience this world capital when you book your flight to London with Aer Lingus.

Museums in London
Explore the world-renowned British Museum. There, immerse yourself in Ancient Egypt as you view the red granite statue of Amenhotep III, the “Pond in a Garden” false fresco, and the famed Rosetta Stone. See the reconstructed Nereid Monument, the Mausoleum of Halicarnassus, and sketches by da Vinci. After visiting the stegosaurus and stopping by the earthquake simulator at the Natural History Museum, go to the Victoria and Albert Museum (V&A). Marvel at the Ceramic Staircase’s beautifully painted ceiling, view hand-painted tilework, delicate embroideries, and illuminated manuscripts.

Landmarks in London
Take photos outside Buckingham Palace, experience panoramic city views from atop the London Eye, walk around the Shaftesbury Memorial Fountain at Piccadilly Circus, visit the Tower Bridge and hear Big Ben toll the hours. Then, spend the afternoon in Hyde Park horseback riding, strolling around the Rose Garden and listening to the debaters at Speakers’ Corner.

Shopping in London
Browse the trendy boutiques along King’s Road and explore London’s famed department stores. For luxury goods, visit Sloane Street and Harrods in Knightsbridge.

Getting around London
Pick up a Visitor Oyster Card and take the Tube. If you want to sightsee on the way to your next activity, hop on an iconic double-decker red bus. Rent a bicycle and use the bike lanes that run through Inner London. You can also hail one of the ubiquitous black taxis.

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Book San Francisco to London flight deals*

$
Book San Francisco to London flight deals*
From
To
Fare Type
Dates
Price
FromSan Francisco (SFO)ToLondon (LHR)Roundtrip*
/
Economy
Aug 2 2025 - Aug 8 2025

From

$1,134.56*

Seen: 21 hrs ago

FromSan Francisco (SFO)ToLondon (LHR)Roundtrip*
/
Economy
Jul 25 2025 - Aug 9 2025

From

$1,149.07*

Seen: 15 hrs ago

FromSan Francisco (SFO)ToLondon (LHR)Roundtrip*
/
Economy
Jul 2 2025 - Jul 12 2025

From

$1,155.56*

Seen: 21 hrs ago

FromSan Francisco (SFO)ToLondon (LHR)Roundtrip*
/
Economy
Sep 14 2025 - Sep 28 2025

From

$869.07*

Seen: 2 hrs ago

FromSan Francisco (SFO)ToLondon (LHR)Roundtrip*
/
Economy
Sep 11 2025 - Oct 1 2025

From

$951.57*

Seen: 5 hrs ago

FromSan Francisco (SFO)ToLondon (LON)Roundtrip*
/
Economy
Jun 11 2025 - Jun 29 2025

From

$1,433.59*

Seen: 22 hrs ago

* Fares displayed include air transportation charges, taxes and fees. Fares displayed have been collected within the last 24 hours and may no longer be available at time of booking. Fares are economy class and may include connections with our partner airlines. Modifying this information may result in a different fare. Additional baggage fees and charges for optional products and services may apply.