Cheap Flights from London (LHR) to San Diego (SAN) from HK$3,611~

View HK$3,611 flight on Wed, 25 Feb 2026Opens in a new window

Popular airlines from Heathrow Airport (LHR) to San Diego Intl. Airport (SAN)

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Find Cheap Flights from London (LHR) to San Diego (SAN)

Prices were available within the past 7 days and start at HK$3,611 for one-way flights and HK$5,966 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Sun, 15 Feb - Wed, 25 Feb
LHR
London
SAN
San Diego
HK$5,966 Return, found 15 hours ago
HK$5,966
Return
found 15 hours ago
Select Air Canada flight, departing Sun, 15 Feb from London to San Diego, returning Wed, 25 Feb, priced at HK$5,966 found 15 hours ago
Air Canada
Sun, 15 Feb - Wed, 25 Feb
LHR
London
SAN
San Diego
HK$6,017 Return, found 15 hours ago
HK$6,017
Return
found 15 hours ago
Select Air Canada flight, departing Sun, 15 Feb from London to San Diego, returning Wed, 25 Feb, priced at HK$6,017 found 15 hours ago
British Airways
Sun, 15 Feb - Wed, 25 Feb
LHR
London
SAN
San Diego
HK$6,079 Return, found 15 hours ago
HK$6,079
Return
found 15 hours ago
Select British Airways flight, departing Sun, 15 Feb from London to San Diego, returning Wed, 25 Feb, priced at HK$6,079 found 15 hours ago
American Airlines
Sun, 15 Feb - Wed, 25 Feb
LHR
London
SAN
San Diego
HK$6,095 Return, found 15 hours ago
HK$6,095
Return
found 15 hours ago
Select American Airlines flight, departing Sun, 15 Feb from London to San Diego, returning Wed, 25 Feb, priced at HK$6,095 found 15 hours ago
British Airways
Sun, 15 Feb - Wed, 25 Feb
LHR
London
SAN
San Diego
HK$6,123 Return, found 15 hours ago
HK$6,123
Return
found 15 hours ago
Select British Airways flight, departing Sun, 15 Feb from London to San Diego, returning Wed, 25 Feb, priced at HK$6,123 found 15 hours ago
Virgin Atlantic
Sun, 15 Feb - Wed, 25 Feb
LHR
London
SAN
San Diego
HK$6,139 Return, found 15 hours ago
HK$6,139
Return
found 15 hours ago
Select Virgin Atlantic flight, departing Sun, 15 Feb from London to San Diego, returning Wed, 25 Feb, priced at HK$6,139 found 15 hours ago
United
Sun, 15 Feb - Wed, 25 Feb
LHR
London
SAN
San Diego
HK$6,139 Return, found 15 hours ago
HK$6,139
Return
found 15 hours ago
Select United flight, departing Sun, 15 Feb from London to San Diego, returning Wed, 25 Feb, priced at HK$6,139 found 15 hours ago
Delta
Sun, 15 Feb - Wed, 25 Feb
LHR
London
SAN
San Diego
HK$6,139 Return, found 15 hours ago
HK$6,139
Return
found 15 hours ago
Select Delta flight, departing Sun, 15 Feb from London to San Diego, returning Wed, 25 Feb, priced at HK$6,139 found 15 hours ago
Finnair
Sun, 15 Feb - Wed, 25 Feb
LHR
London
SAN
San Diego
HK$6,158 Return, found 15 hours ago
HK$6,158
Return
found 15 hours ago
Select Finnair flight, departing Sun, 15 Feb from London to San Diego, returning Wed, 25 Feb, priced at HK$6,158 found 15 hours ago
Finnair
Sun, 15 Feb - Wed, 25 Feb
LHR
London
SAN
San Diego
HK$6,202 Return, found 15 hours ago
HK$6,202
Return
found 15 hours ago
Select Finnair flight, departing Sun, 15 Feb from London to San Diego, returning Wed, 25 Feb, priced at HK$6,202 found 15 hours ago

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

February is typically the cheapest month to fly

From HK$4,193 - HK$8,245 per traveller.

Frequently asked questions

How much is a flight from London Heathrow to SAN?
The lowest price advertised for a round-trip journey between LHR and San Diego Airport is HK$5,966. But you better act quick. This price is based on fares offered within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Heathrow Airport (LHR) to SAN?
This can differ from airline to airline, as each one has its own terms and conditions. Head to the Customer Service Portal, where you'll find simple instructions on how to cancel your flight online.
How do I find cheap flights from London Heathrow to SAN that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Heathrow Airport (LHR) to SAN flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Heathrow Airport to San Diego Intl. Airport (SAN)?
With a flight distance of 8,800 kilometers from London Heathrow (LHR) to San Diego Airport (SAN), this is a long-haul journey. Make sure you drink plenty of water and move your feet and legs every now and then.
Which airlines fly direct from Heathrow Airport to San Diego Intl. Airport (SAN)?
If you're eager to fly directly from LHR to San Diego Intl. Airport (SAN), British Airways (BA) is a great choice. It operates 30 flights each month between Hounslow and San Diego.
Are LHR to San Diego Intl. Airport (SAN) flight tickets cheaper when they're purchased at the last minute?
Flight tickets from Heathrow Airport to SAN are available up to a year before departure on Expedia. And although you may score a great last-minute deal, it's not something you should count on. Also, booking your flights well in advance means you'll have more options — and you can avoid ending up with the dreaded middle seat! We frequently update our fares to bring you the best bargains, so check back often for all the latest specials.

Travel information

Origin airport
Heathrow
Destination airport
San Diego Intl.
Airlines serving
Air Canada, Air France, American Airlines, Austrian Airlines, British Airways, Delta, Finnair, Iberia, Lufthansa, Swiss International Air Lines, United, Virgin Atlantic, WestJet
Return price
HK$5,966
Distance
8756 km
Average flight time
12 hours 20 mins

Book with confidence

Flights from London to San Diego

Book cheap flights from London (LHR) to San Diego (SAN) on Expedia.com.hk. Find the best flight deals to destinations around the world for your next leisure or business travel on Expedia.com.hk.

Search for flights from London (LHR) to San Diego (SAN) to find great flight deals suitable to your travel date and time. Expedia.com.hk flight booking search engine is simple to use and looking for cheap flights is as easy as a click of a mouse or on your mobile devices.

Be assured that you’re seeing the best price guaranteed! Our friendly customer service representatives are here to serve you 24 hours day to provide assistance and answer any questions that you may have about booking your London (LHR) to San Diego (SAN) trip. Call us at 3077-4857 (direct number - 24 hours day for English).

Save more when combine your San Diego flight with a hotel for a package deal! Discover additional savings by booking in advance. Now you can find activities in San Diego and things to do in San Diego for your perfect vacation with Expedia Thing to Do.

If you would like to book flights to San Diego more flexibly, many prefer to purchase one-way tickets with options to take different airlines. A one way ticket to San Diego is HK$3,611 now!

 

Flights from London to San Diego

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