Cheap flights from London Gatwick to San Francisco

Q: How much are flights normally?

£ 394. If you see flights from London Gatwick to San Francisco for less than this, you've found a good deal.

Q: What are the cheapest airlines?

Finnair, British Airways. These airlines usually offer the cheapest flights from London Gatwick to San Francisco.

Q: What airlines fly indirectly?

JetBlue, British Airways, Icelandair, Virgin Atlantic, Air Europa. These airlines fly from London Gatwick to San Francisco, but you’ll have at least one layover.

Q: How long is the flight?

16 hrs 35 mins. This is the shortest flight time from London Gatwick to San Francisco.

Q: How long should I stay in San Francisco?

17 days. Most people spend this amount of time in San Francisco.

from as little as £387

14 nights in San Francisco, departing London Gatwick on 05 / Sep / 2025 with British Airways (price found 40 hours ago)

Subject to availability, prices correct of the last 24 hours

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Cheap return flights from London Gatwick to San Francisco

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All prices shown are per person based on return flights only. Prices found in the last 48 hours.

The London Gatwick / San Francisco route

All 8662 km of it

Cheap flight deals for this route

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San Francisco flight facts

What you need to know

How much are flights normally?

£ 394

If you see flights from London Gatwick to San Francisco for less than this, you've found a good deal.

What are the cheapest airlines?

Finnair
British Airways

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

What airlines fly indirectly?

JetBlue
British Airways
Icelandair
Virgin Atlantic
Air Europa

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

How long is the flight?

16 hrs 35 mins

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

How long should I stay in San Francisco?

17 days

Most people spend this amount of time in San Francisco.

Alternative flights from the UK to San Francisco

Check out prices for other routes

London to San Francisco

from £358 pp

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Manchester to San Francisco

from £461 pp

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Edinburgh to San Francisco

from £456 pp

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Birmingham to San Francisco

from £499 pp

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London Stansted to San Francisco

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London City Airport to San Francisco

from £474 pp

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London Heathrow to San Francisco

from £358 pp

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Alternative flights from London Gatwick to San Francisco

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Vancouver from London Gatwick

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Today alone, Netflights has searched over 479 flights. 05 / Sep / 2025 is currently the lowest priced day of the year to fly the London Gatwick/San Francisco route. There are around 166 flights on any given week from the UK to San Francisco and the cheapest month to fly right now is September.

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

Min / Max Temperature (°C)

LOWEST

8 °C

AVG

14 °C

HIGHEST

21 °C

Rainfall (mm)

LOWEST

0 mm

AVG

44.8 mm

HIGHEST

112 mm

Key facts about San Francisco

Currency

United States dollar

Language

English

Timezone

8 hrs behind GMT

How to get cheap flights from London Gatwick to San Francisco

Tips and advice from our flight experts

If you're looking to fly from London Gatwick to San Francisco, you might like to know that 05 / Sep / 2025 currently has the cheapest flights. At the moment, there are six airlines flying to San Francisco. Go through the results to find the right flights for you – you can adjust the filters to see find even more flights to San Francisco.

The most popular airlines offering flights to San Francisco are JetBlue, British Airways & Icelandair. JetBlue is the most popular one, but that doesn’t mean their flights will be the cheapest. If you can't find a flight time that suits you, why not look at flying out from a different airport?

Generally speaking, the flight from London Gatwick to San Francisco takes around 17 hrs 55 mins. The fastest flight takes 16 hrs 35 mins to cover the 8662 km distance. You can view all flight times yourself in the results list.

If you need somewhere to stay for your trip to the USA, take a look at our accommodation options.