Cheap Flights from London (LHR) to San Diego (SAN) from HK$4,903~

View HK$4,903 flight on Sun, 2 Nov 2025Opens 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$4,903 for one-way flights and HK$5,060 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Fri, 31 Oct - Wed, 5 Nov
LHR
London
SAN
San Diego
HK$5,060 Return, found 1 day ago
HK$5,060
Return
found 1 day ago
Select Air Canada flight, departing Fri, 31 Oct from London to San Diego, returning Wed, 5 Nov, priced at HK$5,060 found 1 day ago
Air Canada
Fri, 31 Oct - Wed, 5 Nov
LHR
London
SAN
San Diego
HK$5,112 Return, found 1 day ago
HK$5,112
Return
found 1 day ago
Select Air Canada flight, departing Fri, 31 Oct from London to San Diego, returning Wed, 5 Nov, priced at HK$5,112 found 1 day ago
Lufthansa
Fri, 31 Oct - Wed, 5 Nov
LHR
London
SAN
San Diego
HK$5,141 Return, found 1 day ago
HK$5,141
Return
found 1 day ago
Select Lufthansa flight, departing Fri, 31 Oct from London to San Diego, returning Wed, 5 Nov, priced at HK$5,141 found 1 day ago
United
Fri, 31 Oct - Wed, 5 Nov
LHR
London
SAN
San Diego
HK$5,284 Return, found 1 day ago
HK$5,284
Return
found 1 day ago
Select United flight, departing Fri, 31 Oct from London to San Diego, returning Wed, 5 Nov, priced at HK$5,284 found 1 day ago
United
Fri, 31 Oct - Wed, 5 Nov
LHR
London
SAN
San Diego
HK$5,331 Return, found 1 day ago
HK$5,331
Return
found 1 day ago
Select United flight, departing Fri, 31 Oct from London to San Diego, returning Wed, 5 Nov, priced at HK$5,331 found 1 day ago
United
Fri, 31 Oct - Wed, 5 Nov
LHR
London
SAN
San Diego
HK$5,336 Return, found 1 day ago
HK$5,336
Return
found 1 day ago
Select United flight, departing Fri, 31 Oct from London to San Diego, returning Wed, 5 Nov, priced at HK$5,336 found 1 day ago
Austrian Airlines
Fri, 31 Oct - Wed, 5 Nov
LHR
London
SAN
San Diego
HK$5,437 Return, found 1 day ago
HK$5,437
Return
found 1 day ago
Select Austrian Airlines flight, departing Fri, 31 Oct from London to San Diego, returning Wed, 5 Nov, priced at HK$5,437 found 1 day ago
United
Fri, 31 Oct - Wed, 5 Nov
LHR
London
SAN
San Diego
HK$5,444 Return, found 1 day ago
HK$5,444
Return
found 1 day ago
Select United flight, departing Fri, 31 Oct from London to San Diego, returning Wed, 5 Nov, priced at HK$5,444 found 1 day ago
Lufthansa
Fri, 31 Oct - Wed, 5 Nov
LHR
London
SAN
San Diego
HK$5,484 Return, found 1 day ago
HK$5,484
Return
found 1 day ago
Select Lufthansa flight, departing Fri, 31 Oct from London to San Diego, returning Wed, 5 Nov, priced at HK$5,484 found 1 day ago
American Airlines
Fri, 31 Oct - Wed, 5 Nov
LHR
London
SAN
San Diego
HK$5,556 Return, found 1 day ago
HK$5,556
Return
found 1 day ago
Select American Airlines flight, departing Fri, 31 Oct from London to San Diego, returning Wed, 5 Nov, priced at HK$5,556 found 1 day ago

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

November is typically the cheapest month to fly

From HK$4,176 - HK$8,634 per traveller.

Graph displaying average flight prices per month

London to San Diego route information
Origin airport
Heathrow
Destination airport
San Diego Intl.
Return price
HK$5,060
Distance
8756 km
Average flight time
3 hours 12 mins

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$4,903 now!

 

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$5,060. 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.

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