Cheap flights from San Francisco to London

Q: What are the cheapest airlines?

Air Canada, JetBlue, British Airways, Delta Air Lines, KLM. These airlines usually offer the cheapest flights from San Francisco to London.

Q: Can I fly direct to London?

Delta Air Lines, KLM, Virgin Atlantic, Finnair, British Airways. You can fly non-stop from San Francisco to London with these airlines.

Q: What airlines fly indirectly?

Air Canada, Lufthansa, JetBlue, Virgin Atlantic, KLM. These airlines fly from San Francisco to London, but you’ll have at least one layover.

Q: How long is the flight?

10 hrs 15 mins. This is the shortest flight time from San Francisco to London.

from as little as £458

14 nights in London, departing San Francisco on 18 / Feb / 2025 with JetBlue (price found 5 hours ago)

Subject to availability, prices correct of the last 24 hours

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The San Francisco / London route

All 8662 km of it

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London flight facts

What you need to know

What are the cheapest airlines?

Air Canada
JetBlue
British Airways
Delta Air Lines
KLM

These airlines usually offer the cheapest flights from San Francisco to London.

Can I fly direct to London?

Delta Air Lines
KLM
Virgin Atlantic
Finnair
British Airways

You can fly non-stop from San Francisco to London with these airlines.

What airlines fly indirectly?

Air Canada
Lufthansa
JetBlue
Virgin Atlantic
KLM

These airlines fly from San Francisco to London, but you’ll have at least one layover.

How long is the flight?

10 hrs 15 mins

This is the shortest flight time from San Francisco to London.

Alternative flights from the UK to London

Check out prices for other routes

San Francisco to London City Airport

from £1,136 pp

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San Francisco to London Gatwick

from £1,526 pp

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San Francisco to London Heathrow

from £458 pp

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Alternative flights from San Francisco

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Paris from San Francisco

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Barcelona from San Francisco

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18 / Feb / 2025 is currently the lowest priced day of the year to fly the San Francisco/London route. There are around 60 flights on any given week from the UK to London and the cheapest month to fly right now is February.

Not suitable? Try running another search or viewing all cheap flight deals.

Key facts about London

Currency

British pound

Language

English

Timezone

0 hrs behind GMT

How to get cheap flights from San Francisco to London

Tips and advice from our flight experts

There are 60 direct and indirect flights connecting San Francisco and London every week, with the journey taking 12 hrs 35 mins on average. Scroll through your results to compare flight times and prices – the cheapest flight from San Francisco to London is currently sitting at £458.

Virgin Atlantic, Delta Air Lines & Air Canada are the most popular airlines for flying from San Francisco to London. Adjust your search options to look by month, and see how much you could save if you fly during low season.

In London, London City Airport (LCY) is usually the cheapest airport to fly to, but there are three airports to choose from. Not sure who to fly with? Virgin Atlantic, Delta Air Lines & Air Canada are the most popular airlines available from San Francisco.

If you can’t find flights that suit you, consider flying to another part of United Kingdom.