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Cheap Flights from London to San Diego

Compare London to San Diego flight deals

Find the cheapest month or even day of the year to fly to San Diego

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Find the cheapest month to fly from London to San Diego

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like London to San Diego flights are currently cheapest in December.
Nov
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Dec
from £224
Jan
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Feb
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Mar
from £288
Apr
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May
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Jun
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Jul
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Aug
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Sep
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Oct
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Alternative London to San Diego routes

Looking for the cheapest, fastest or easiest route from London to San Diego? You could fly into the following airports instead.

London to San Diego: Flight information

The things to know before you go.
Cheapest flight found£224
Cheapest month to flyDecember

Finding cheap flights from London to San Diego: Frequently asked questions

There are 3 airports in San Diego: San Diego International, El Cajon and McClellan-Palomar.
The best price we found for a return flight from London to San Diego is £263. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from London to San Diego. But we found flights with one or more stops from £263.
As of November 2024, there are no flights flying from London to San Diego.
The cheapest month to fly from London to San Diego is usually November 2024.
If you're flying from London Airport, the cheapest airport near San Diego is San Diego International – which is 4.1 km away from the centre of San Diego. We've found flights into this airport from £263.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from London Airport to San Diego on Friday, 24 January 2025.
No airlines currently offer direct flights between London Airport and San Diego. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to San Diego but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to San Diego is around 40 days in advance, so don’t leave your flight to the last minute.
In November, the average temperature is usually around 16°C. August is typically the warmest month in San Diego, when it usually averages around 28°C. You can expect the least rain in June. The coldest month is December, with temperatures averaging 10°C. The rainiest month is February.
Currently, Air Canada offers the cheapest flight tickets to San Diego.

How to find cheap flights to San Diego from London

Looking for cheap tickets from London to San Diego? Here are a few tips on how to secure the best flight price and make your journey as smooth as possible.

  • Simply hit 'search'. From British Airways to international carriers like Emirates, we compare all major airlines along with the most popular online travel agents to find the cheapest plane tickets from London to San Diego. And with us there are no hidden fees - what you see is what you pay.
  • Compare flight deals to San Diego from London from over 1,000 providers. Then choose the cheapest or fastest plane tickets.
  • Flex your dates to find the best London-San Diego ticket prices. If you are flexible when it comes to your travel dates, use Skyscanner's 'Whole month' tool to find the cheapest month, and even day to fly to San Diego from London.
  • Set up a Price Alert. You can easily track the fare of your cheap London-San Diego flights by creating an alert. Whenever prices go down or up, you'll get an email or push notification to help make sure you get the best possible flight deal.
  • Fly without stops. Only interested in direct flights between London and San Diego? Make sure to tick 'Direct flights only' when performing a search. If there are direct flights available on the route, these will appear in the results.
  • Find the cheapest Business class flights from London and San Diego. We scour the internet for the best Business, Premium Economy and First Class flight fares to San Diego, too. Check the difference in price as you search – you might just chance upon a last-minute low fare. Note that not all cabin classes are available for every destination or airline.
  • Include nearby airports in your search. Widen your search for London to San Diego flight deals by selecting the "add nearby airports" option. This will allow you to see flight prices for all the nearest airports at your departure point and your destination and could help you save next time you travel.

    • Combine your flight to San Diego from London with hotels and car hire

    Once you've secured your cheap flight ticket from London to San Diego, discover the best prices and exclusive rates for hotels in San Diego or nearby. You can also compare hundreds of car hire companies in one go so that you get the best car hire price for your trip.


Plan the rest of your trip from London to San Diego

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.