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Cheap flights from London to San Diego

from as little as £321

15 nights in San Diego, departing London Heathrow on 31 / Jan / 2022 with British Airways (price found 39 hours ago)

Subject to availability, prices correct of the last 24 hours
San Diego

Cheap return flights from London to San Diego

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The London / San Diego route

All 8852 km of it

Cheap flight deals for this route

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San Diego flight facts

What you need to know

Alternative flights from the UK to San Diego

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San Diego

Today alone, Netflights has searched over 5,426 flights. 31 / Jan / 2022 is currently the lowest priced day of the year to fly the London/San Diego route. There are around 1,503 flights on any given week from the UK to San Diego and the cheapest month to fly right now is January.

Min / Max Temperature (°C)

9 °C


17 °C


25 °C

Rainfall (mm)

0 mm


21.5 mm


52 mm

Key facts about San Diego

How to get cheap flights from London to San Diego

Tips and advice from our flight experts

Find a good deal on your flight from London to San Diego with Netflights. 1,503 flights go via this route every week, and we've collected them all to help you find the best deal. If you want to keep your options open, take a look at flights from another airport in London.

London Heathrow (LHR) is the most popular airport in this city for flights to San Diego, and the most popular airlines are British Airways, Air Canada & Virgin Atlantic. Both flight prices and accommodation rates fluctuate throughout the year, but searching by month will reveal the cheapest times to fly.

On average, the 8852 km flight to San Diego takes 18 hrs 25 mins. If you want a bargain, keep an eye out for flights with Air Canada, as they often have good deals. Or you could broaden your search by looking at flights to other airports in the USA to see if there are any cheaper options.

Today alone, we’ve scanned 5,426 flights worldwide to bring you the best flight deals in one place. Did you know you can also compare hotel and car hire prices in the USA with Netflights? Take a look to get an idea of prices in San Diego.

Other popular destinations near San Diego

Where other people are flying to

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