€658 Cheap Flights London to San Diego (LHR-SAN)

View €658 flight on Fri, 17 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 to San Diego (LHR-SAN)

Prices were available within the past 7 days and start at €658 for one-way flights and €552 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Lufthansa
Mon, 12 Jan - Mon, 19 Jan
LHR
London
SAN
San Diego
€552 Return, just found
€552
Return
just found
Select Lufthansa flight, departing Mon, 12 Jan from London to San Diego, returning Mon, 19 Jan, priced at €552 just found
Austrian Airlines
Mon, 12 Jan - Mon, 19 Jan
LHR
London
SAN
San Diego
€577 Return, just found
€577
Return
just found
Select Austrian Airlines flight, departing Mon, 12 Jan from London to San Diego, returning Mon, 19 Jan, priced at €577 just found
Lufthansa
Wed, 10 Sep - Sun, 14 Sep
LHR
London
SAN
San Diego
€579 Return, found 2 days ago
€579
Return
found 2 days ago
Select Lufthansa flight, departing Wed, 10 Sep from London to San Diego, returning Sun, 14 Sep, priced at €579 found 2 days ago
Lufthansa
Fri, 29 Aug - Mon, 8 Sep
LHR
London
SAN
San Diego
€583 Return, found 1 day ago
€583
Return
found 1 day ago
Select Lufthansa flight, departing Fri, 29 Aug from London to San Diego, returning Mon, 8 Sep, priced at €583 found 1 day ago
British Airways
Mon, 12 Jan - Mon, 19 Jan
LHR
London
SAN
San Diego
€631 Return, just found
€631
Return
just found
Select British Airways flight, departing Mon, 12 Jan from London to San Diego, returning Mon, 19 Jan, priced at €631 just found
Austrian Airlines
Mon, 12 Jan - Mon, 19 Jan
LHR
London
SAN
San Diego
€634 Return, just found
€634
Return
just found
Select Austrian Airlines flight, departing Mon, 12 Jan from London to San Diego, returning Mon, 19 Jan, priced at €634 just found
Brussels Airlines
Sat, 30 Aug - Mon, 8 Sep
LHR
London
SAN
San Diego
€644 Return, found 1 day ago
€644
Return
found 1 day ago
Select Brussels Airlines flight, departing Sat, 30 Aug from London to San Diego, returning Mon, 8 Sep, priced at €644 found 1 day ago
Iberia
Mon, 12 Jan - Mon, 19 Jan
LHR
London
SAN
San Diego
€646 Return, just found
€646
Return
just found
Select Iberia flight, departing Mon, 12 Jan from London to San Diego, returning Mon, 19 Jan, priced at €646 just found
American Airlines
Mon, 12 Jan - Mon, 19 Jan
LHR
London
SAN
San Diego
€646 Return, just found
€646
Return
just found
Select American Airlines flight, departing Mon, 12 Jan from London to San Diego, returning Mon, 19 Jan, priced at €646 just found
United
Mon, 12 Jan - Mon, 19 Jan
LHR
London
SAN
San Diego
€650 Return, just found
€650
Return
just found
Select United flight, departing Mon, 12 Jan from London to San Diego, returning Mon, 19 Jan, priced at €650 just found

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

November is typically the cheapest month to fly

From €455 - €948 per traveller.

Graph displaying average flight prices per month

London to San Diego route information
Origin airport
Heathrow
Destination airport
San Diego Intl.
Airlines serving
Aer Lingus, Air Canada, Air France, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, Finnair, Iberia, Icelandair, JetBlue Airways, KLM, Lufthansa, United, Virgin Atlantic, WestJet
Return price
€551
Distance
8756 km
Average flight time
3 hours 12 mins

Perfect flights from London to San Diego

Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from London to San Diego. Whether you're aching for a romantic escape with your partner, craving an adventurous solo expedition, or yearning to immerse yourself in the local history and culture, we've got you covered.
 
Picture yourself strolling through the streets of San Diego, surrounded by breathtaking architecture and absorbing the vibrant atmosphere of this captivating city. Indulge in the mouth-watering local specialties, from tantalizing street food to exquisite fine dining. With Expedia, you can experience all of this and more, without sacrificing your budget.
 
Our flexible Heathrow to San Diego Intl. ticket options cater to your travel preferences, with incredible one-way fares from €658 and roundtrip prices from €552. Whether you're planning a short city break or a longer adventure, our dynamic pricing ensures that you find the best deals for your journey.
 
But the magic doesn't stop there. Expedia offers a range of partner services to enhance your trip. Rent a car at San Diego Intl. and explore San Diego and its surrounding areas at your own pace. Discover hidden gems off the beaten path, and create unforgettable memories. We also provide a handpicked selection of accommodations, from charming bed and breakfasts to luxury hotels, ensuring that you have a comfortable and memorable stay.
 
Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support are designed to make your travel experience seamless and stress-free. So, why wait? Book your LHR to SAN travel arrangements today and embark on the journey of a lifetime in San Diego.

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 €552. 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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