Cheap flights from London to San Diego
Cheap return flights from London to San Diego
Find the best deals
All prices shown are per person based on return flights only. Prices found in the last 48 hours.
San Diego flight facts
What you need to know
What are the cheapest airlines?
- Norwegian Air
- British Airways
- American Airlines
These airlines usually offer the cheapest flights from London to San Diego.
What airlines fly indirectly?
- Delta Airlines
- United Airlines
- Air Canada
These airlines fly from London to San Diego, but you’ll have at least one layover.
How long is the flight?
11 hours 30 minutes
This is the shortest flight time from London to San Diego.
Alternative flights from the UK to San Diego
Check out prices for other routes
Alternative flights from London
You might find cheaper flights nearby
Today alone, Netflights has searched over five flights. 05 / Feb / 2026 is currently the lowest priced day of the year to fly the London/San Diego route. There are around 35 flights on any given week from the UK to San Diego and the cheapest month to fly right now is February. Not suitable? Try running another search or viewing all cheap flight deals.
How to get cheap flights from London to San Diego
Tips and advice from our flight experts
You've searched for flights from London to San Diego. We've found 25 flights and compared them to give you the best offers. On average, Norwegian Air is the cheapest for this route, so keep an eye on them. The cheapest offer we've found is a one-way ticket for the route London to San Diego on 20/07/2026 at 06:40 for £76.
We've scanned hundreds of airfares from dozens of airlines across the globe. In total, we've found 15 airlines that operate the 8,700 km flight from London to San Diego.
To find the best offers, consider booking 2-3 months in advance or looking for last-minute deals. Norwegian Air is a popular and affordable choice for this route, with an average flight duration of 11 hours 30 minutes. After selecting an offer, fill out your information and proceed to payment. Don't forget to check our flight + hotel service to book everything at once, saving you time and money.
Other popular destinations near San Diego
Where other people are flying to
