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

View AU$960 flight on Thu, 2 Oct. 2025Opens in a new window

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

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

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, 6 Oct. - Mon, 20 Oct.
LHR
London
SAN
San Diego
AU$997 Return, found 3 days ago
AU$997
Return
found 3 days ago
Select American Airlines flight, departing Mon, 6 Oct. from London to San Diego, returning Mon, 20 Oct., priced at AU$997 found 3 days ago
United
Fri, 13 Feb. - Sun, 22 Feb.
LHR
London
SAN
San Diego
AU$997 Return, found 2 days ago
AU$997
Return
found 2 days ago
Select United flight, departing Fri, 13 Feb. from London to San Diego, returning Sun, 22 Feb., priced at AU$997 found 2 days ago
Delta
Mon, 6 Oct. - Mon, 20 Oct.
LHR
London
SAN
San Diego
AU$997 Return, found 3 days ago
AU$997
Return
found 3 days ago
Select Delta flight, departing Mon, 6 Oct. from London to San Diego, returning Mon, 20 Oct., priced at AU$997 found 3 days ago
Virgin Atlantic
Mon, 6 Oct. - Mon, 20 Oct.
LHR
London
SAN
San Diego
AU$997 Return, found 3 days ago
AU$997
Return
found 3 days ago
Select Virgin Atlantic flight, departing Mon, 6 Oct. from London to San Diego, returning Mon, 20 Oct., priced at AU$997 found 3 days ago
British Airways
Mon, 6 Oct. - Mon, 20 Oct.
LHR
London
SAN
San Diego
AU$1,016 Return, found 3 days ago
AU$1,016
Return
found 3 days ago
Select British Airways flight, departing Mon, 6 Oct. from London to San Diego, returning Mon, 20 Oct., priced at AU$1,016 found 3 days ago
Austrian Airlines
Fri, 13 Feb. - Sun, 22 Feb.
LHR
London
SAN
San Diego
AU$1,027 Return, found 2 days ago
AU$1,027
Return
found 2 days ago
Select Austrian Airlines flight, departing Fri, 13 Feb. from London to San Diego, returning Sun, 22 Feb., priced at AU$1,027 found 2 days ago
Lufthansa
Mon, 8 Dec. - Mon, 15 Dec.
LHR
London
SAN
San Diego
AU$1,028 Return, found 5 days ago
AU$1,028
Return
found 5 days ago
Select Lufthansa flight, departing Mon, 8 Dec. from London to San Diego, returning Mon, 15 Dec., priced at AU$1,028 found 5 days ago
Lufthansa
Fri, 13 Feb. - Sun, 22 Feb.
LHR
London
SAN
San Diego
AU$1,039 Return, found 2 days ago
AU$1,039
Return
found 2 days ago
Select Lufthansa flight, departing Fri, 13 Feb. from London to San Diego, returning Sun, 22 Feb., priced at AU$1,039 found 2 days ago
British Airways
Mon, 6 Oct. - Mon, 20 Oct.
LHR
London
SAN
San Diego
AU$1,043 Return, found 3 days ago
AU$1,043
Return
found 3 days ago
Select British Airways flight, departing Mon, 6 Oct. from London to San Diego, returning Mon, 20 Oct., priced at AU$1,043 found 3 days ago
United
Fri, 13 Feb. - Sun, 22 Feb.
LHR
London
SAN
San Diego
AU$1,050 Return, found 2 days ago
AU$1,050
Return
found 2 days ago
Select United flight, departing Fri, 13 Feb. from London to San Diego, returning Sun, 22 Feb., priced at AU$1,050 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 AU$820 - AU$1,699 per traveller.

Graph displaying average flight prices per month

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, KLM, Lufthansa, United, Virgin Atlantic
Return price
AU$997
Distance
8756 km
Average flight time
3 hours 12 mins

Your quick guide to flights from London to San Diego

Pick up great flights from London to San Diego

With Expedia, you have your pick of flights a day with 20 airlines covering flights from London to San Diego. Whether you’re on a business trip, a family holiday or a luxury break, just enter your travel dates, hit search then check out your choice of flights. Select from return, one way or multi-city flights, and use the advance search tool if you want a direct or refundable flight. You can narrow your search to show you just your preferred cabin class and airline, too. It’s all easy. You can book direct flights from London to San Diego that take around hours.

Find cheap flights from London to San Diego

From the great flight deals with prices currently ranging from AU$997 to AU$2,017, you can choose to see the cheapest flights first. Generally, you can book the cheapest flights from London to San Diego around 4 to 6 weeks in advance. If your travel dates are flexible, try to avoid weekends and peak seasons – when you are more likely to grab the lowest prices. Even last minute, there are some impressive deals. The cheapest time to fly to San Diego is normally in October.

Reasons to book your flight from London to San Diego with Expedia

Expedia makes it easy to find, book, and travel, with everything you need all in one place. When you enter your travel details, find fantastic deals just for you on flight tickets from London to San Diego across all the main airline carriers, so you can save time, dollars, and hassle finding the perfect flight. If you think your plans could change, choose refundable flights so any changes won’t cost you more. Book your flight to San Diego right now and, if you join Expedia Rewards, you earn points this time and every time you travel with Expedia.

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 AU$997. 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 kilometres 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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