Cheap flights from London to San Diego
from 640 US$
Compare hundreds of airlines London–San Diego
The cheapest month is usually 2026-10 · 640 US$
See prices for my dates →Live fares from 100+ sites — free, with no hidden fees.
About this route
Compare flights from London to San Diego, a about 8,832 km route (around 11h 32m nonstop). We gather live prices from hundreds of airlines and agencies so you can find the cheapest and book on the official site, with no hidden fees. Direct flights are available. Airlines such as American Airlines, British Airways, Iberia operate this route.
When to buy and when to fly
Prices by date
Fares found by date — cheapest days in green.
How to get the best price
Airlines on this route
FAQ
What's the cheapest month to fly London to San Diego?
It's usually 2026-10, from 640 USD. Use the price calendar to compare other dates.
How long is the flight from London to San Diego?
A nonstop flight takes about 11h 32m and covers around 8,832 km. Connecting itineraries take longer.
Are there direct flights from London to San Diego?
Yes, this route has nonstop flights. Filter by "nonstop" to see them.
Which airlines fly from London to San Diego?
American Airlines, British Airways, Iberia operate this route, among others. Compare them all in the results.
When should I book London–San Diego flights?
As a rule of thumb, booking 3–8 weeks ahead and avoiding weekends and holidays tends to give the best prices. Use the calendar to spot the cheapest dates.
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London → San Diego · Live fares from 100+ sites — free, with no hidden fees.