Cheap American Airlines Flights from London to San Diego (LHR→SAN)

View AU$834 flight on Fri, 20 Feb 2026Opens in a new window
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Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Mon, 24 Nov - Tue, 9 Dec
LHR
London
SAN
San Diego
AU$1,225 Return, found 2 days ago
AU$1,225
Return
found 2 days ago
Select American Airlines flight, departing Mon, 24 Nov from London to San Diego, returning Tue, 9 Dec, priced at AU$1,225 found 2 days ago
American Airlines
Mon, 24 Nov - Tue, 9 Dec
LHR
London
SAN
San Diego
AU$1,225 Return, found 2 days ago
AU$1,225
Return
found 2 days ago
Select American Airlines flight, departing Mon, 24 Nov from London to San Diego, returning Tue, 9 Dec, priced at AU$1,225 found 2 days ago
American Airlines
Mon, 24 Nov - Tue, 9 Dec
LHR
London
SAN
San Diego
AU$1,251 Return, found 2 days ago
AU$1,251
Return
found 2 days ago
Select American Airlines flight, departing Mon, 24 Nov from London to San Diego, returning Tue, 9 Dec, priced at AU$1,251 found 2 days ago
American Airlines
Mon, 24 Nov - Tue, 9 Dec
LHR
London
SAN
San Diego
AU$1,260 Return, found 2 days ago
AU$1,260
Return
found 2 days ago
Select American Airlines flight, departing Mon, 24 Nov from London to San Diego, returning Tue, 9 Dec, priced at AU$1,260 found 2 days ago
American Airlines
Sun, 28 Dec - Sat, 3 Jan
LHR
London
SAN
San Diego
AU$2,098 Return, found 1 day ago
AU$2,098
Return
found 1 day ago
Select American Airlines flight, departing Sun, 28 Dec from London to San Diego, returning Sat, 3 Jan, priced at AU$2,098 found 1 day ago
Flight from London to San Diego route information
Origin airport
Heathrow
Destination airport
San Diego Intl.
Airlines serving
Aer Lingus, Air France, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, Finnair, Iberia, Icelandair, KLM, Lufthansa, United, Virgin Atlantic
Popular airline
American Airlines
Distance
8756 km
Average flight time
11 hours 20 mins

Frequently asked questions

How much is an American Airlines flight from Heathrow Airport (LHR) to San Diego Intl. Airport (SAN)?
Scoring cheap one-way American Airlines flights from LHR to SAN from AU$834 on Expedia is a cinch — just filter by "Price (lowest to highest)." Or check out our affordable round-trip fares from AU$1,225 for your next adventure.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from LHR to SAN with American Airlines?
January is one of the most affordable months to jet off to San Diego with American Airlines. You could also find great prices on one-way and round-trip tickets in November.
Does American Airlines fly nonstop from Heathrow Airport (LHR) to San Diego Intl. Airport (SAN)?
Select our "Nonstop" filter when searching for direct American Airlines flights from LHR to SAN. It's also a great way to compare other carriers offering the same nonstop trip.
What airports does American Airlines fly into in San Diego?
American Airlines flights from Heathrow Airport (LHR) to San Diego land at San Diego Intl. Airport (SAN). This is the main gateway here.
Can I change or cancel my American Airlines flight from Heathrow Airport (LHR) to San Diego Intl. Airport (SAN)?
Changes are typically free within 24 hours of booking, but your airline may charge you after that. For further details about altering your flights, go to your "Trips," select your flight and click on "Manage Booking." If you'd like the freedom to update your itinerary without extra charges, tick the "No cancel fee" or "Changes included" filter when planning your next trip.

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*Available to Expedia members.