British Airways Cheap Flights from London to San Diego

View €426 flight on Tue, 12 May 2026Opens in a new window
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Prices were available within the past 7 days and start at €426 for one-way flights and €498 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Mon, 2 Feb - Mon, 16 Feb
LHR
London
SAN
San Diego
€498 Return, found 4 hours ago
€498
Return
found 4 hours ago
Select British Airways flight, departing Mon, 2 Feb from London to San Diego, returning Mon, 16 Feb, priced at €498 found 4 hours ago
British Airways
Mon, 2 Feb - Mon, 16 Feb
LHR
London
SAN
San Diego
€498 Return, found 4 hours ago
€498
Return
found 4 hours ago
Select British Airways flight, departing Mon, 2 Feb from London to San Diego, returning Mon, 16 Feb, priced at €498 found 4 hours ago
British Airways
Wed, 14 Jan - Mon, 19 Jan
LHR
London
SAN
San Diego
€501 Return, found 5 days ago
€501
Return
found 5 days ago
Select British Airways flight, departing Wed, 14 Jan from London to San Diego, returning Mon, 19 Jan, priced at €501 found 5 days ago
British Airways
Mon, 2 Feb - Mon, 16 Feb
LHR
London
SAN
San Diego
€502 Return, found 4 hours ago
€502
Return
found 4 hours ago
Select British Airways flight, departing Mon, 2 Feb from London to San Diego, returning Mon, 16 Feb, priced at €502 found 4 hours ago
British Airways
Mon, 2 Feb - Mon, 16 Feb
LHR
London
SAN
San Diego
€536 Return, found 4 hours ago
€536
Return
found 4 hours ago
Select British Airways flight, departing Mon, 2 Feb from London to San Diego, returning Mon, 16 Feb, priced at €536 found 4 hours ago
British Airways
Sat, 7 Mar - Wed, 11 Mar
LHR
London
SAN
San Diego
€536 Return, found 2 days ago
€536
Return
found 2 days ago
Select British Airways flight, departing Sat, 7 Mar from London to San Diego, returning Wed, 11 Mar, priced at €536 found 2 days ago

Find the cheapest month to fly from London (LHR) to San Diego (SAN)

November is typically the cheapest month to fly

From €458 - €823 per traveller.

Frequently asked questions

How much is a British Airways flight from Heathrow Airport (LHR) to San Diego Intl. Airport (SAN)?
Landing cheap one-way British Airways flights from LHR to SAN from €426 on Expedia is a breeze — just filter by "Price (lowest to highest)." Alternatively, check out our budget-friendly round-trip fares from €498 for your next exciting 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 British Airways?
Search for round-trip or one-way flights to San Diego in January or November. You could find a cheap fare with British Airways during these off-peak travel months.
Does British Airways fly nonstop from Heathrow Airport (LHR) to San Diego Intl. Airport (SAN)?
British Airways operates direct flights from Heathrow Airport (LHR) to San Diego Intl. Airport (SAN), with 7 departures every week. Just apply the "Nonstop" and "Airline" filters while searching on Expedia to see all direct British Airways flights to SAN.
How long does it take to fly from LHR to SAN with British Airways?
Leave Heathrow Airport (LHR) for San Diego Intl. Airport (SAN) on a nonstop British Airways flight, and you'll be airborne for about 11h 15m.
What airports does British Airways fly into in San Diego?
British Airways flights from Heathrow Airport (LHR) to San Diego come in to land at San Diego Intl. Airport (SAN). This is the main entry point to this city.
What kind of luggage can I take on a British Airways flight from Heathrow Airport (LHR) to San Diego Intl. Airport (SAN)?
On a standard economy flight with British Airways from LHR to SAN, passengers can bring 1 checked-in bag up to 23 kgs (50 lbs) with dimensions no larger than 89 centimetres x 41 centimetres x 74 centimetres in total. For hand luggage, you're permitted 1 cabin bag weighing up to 23 kgs (50 lbs) and measuring less than 56 centimetres x 23 centimetres x 43 centimetres. Weight and size allowances can differ based on the airfare type and cabin class you're in. To make sure you don't get caught with additional charges at the airport, double-check your British Airways booking or visit the airline's website before packing your bags.
What type of plane does British Airways fly from Heathrow Airport (LHR) to San Diego Intl. Airport (SAN)?
Chances are you'll be flying on an Airbus A350-1000 for your British Airways flight from Heathrow Airport (LHR) to San Diego Intl. Airport (SAN). However, you could be switched to an alternative aircraft for operational reasons.
Can I change or cancel my British Airways flight from Heathrow Airport (LHR) to San Diego Intl. Airport (SAN)?
In most cases, you can cancel or change your flight, although there may be additional fees if you made your booking more than 24 hours ago. Prefer to keep your options open? Make use of Expedia's "Changes included" or "No cancel fee" filter to find flights that won't penalize you if you need to adjust your plans. To modify your booking, head to "Trips," select your flight and click on "Manage Booking" for more details.

Travel information

Origin airport
Heathrow
Destination airport
San Diego Intl.
Airlines serving
Aer Lingus, Air Canada, Air France, American Airlines, Austrian Airlines, British Airways, Delta, Finnair, Iberia, JetBlue Airways, KLM, Lufthansa, United, Virgin Atlantic
Popular airline
JetBlue Airways
Distance
8756 km
Average flight time
11 hours 20 mins

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