€479 Cheap Flights London to San Diego (LHR-SAN)

View €479 flight on Tue, 11 Nov 2025Opens in a new window

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

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 15% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap flights from London to San Diego (LHR-SAN)

Prices were available within the past 7 days and start at €479 for one-way flights and €534 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Lufthansa
Wed, 29 Oct - Tue, 4 Nov
LHR
London
SAN
San Diego
€534 Return, found 3 days ago
€534
Return
found 3 days ago
Select Lufthansa flight, departing Wed, 29 Oct from London to San Diego, returning Tue, 4 Nov, priced at €534 found 3 days ago
Lufthansa
Wed, 29 Oct - Tue, 4 Nov
LHR
London
SAN
San Diego
€539 Return, found 3 days ago
€539
Return
found 3 days ago
Select Lufthansa flight, departing Wed, 29 Oct from London to San Diego, returning Tue, 4 Nov, priced at €539 found 3 days ago
Air Canada
Wed, 1 Oct - Wed, 8 Oct
LHR
London
SAN
San Diego
€567 Return, found 3 days ago
€567
Return
found 3 days ago
Select Air Canada flight, departing Wed, 1 Oct from London to San Diego, returning Wed, 8 Oct, priced at €567 found 3 days ago
Brussels Airlines
Mon, 15 Sep - Mon, 29 Sep
LHR
London
SAN
San Diego
€567 Return, found 4 hours ago
€567
Return
found 4 hours ago
Select Brussels Airlines flight, departing Mon, 15 Sep from London to San Diego, returning Mon, 29 Sep, priced at €567 found 4 hours ago
Austrian Airlines
Mon, 15 Sep - Mon, 29 Sep
LHR
London
SAN
San Diego
€567 Return, found 4 hours ago
€567
Return
found 4 hours ago
Select Austrian Airlines flight, departing Mon, 15 Sep from London to San Diego, returning Mon, 29 Sep, priced at €567 found 4 hours ago
British Airways
Mon, 15 Sep - Mon, 29 Sep
LHR
London
SAN
San Diego
€601 Return, found 4 hours ago
€601
Return
found 4 hours ago
Select British Airways flight, departing Mon, 15 Sep from London to San Diego, returning Mon, 29 Sep, priced at €601 found 4 hours ago
British Airways
Mon, 15 Sep - Mon, 29 Sep
LHR
London
SAN
San Diego
€611 Return, found 4 hours ago
€611
Return
found 4 hours ago
Select British Airways flight, departing Mon, 15 Sep from London to San Diego, returning Mon, 29 Sep, priced at €611 found 4 hours ago
American Airlines
Wed, 27 Aug - Wed, 10 Sep
LHR
London
SAN
San Diego
€628 Return, found 12 hours ago
€628
Return
found 12 hours ago
Select American Airlines flight, departing Wed, 27 Aug from London to San Diego, returning Wed, 10 Sep, priced at €628 found 12 hours ago
Delta
Mon, 1 Dec - Mon, 8 Dec
LHR
London
SAN
San Diego
€629 Return, found 1 day ago
€629
Return
found 1 day ago
Select Delta flight, departing Mon, 1 Dec from London to San Diego, returning Mon, 8 Dec, priced at €629 found 1 day ago
Iberia
Wed, 27 Aug - Wed, 10 Sep
LHR
London
SAN
San Diego
€633 Return, found 12 hours ago
€633
Return
found 12 hours ago
Select Iberia flight, departing Wed, 27 Aug from London to San Diego, returning Wed, 10 Sep, priced at €633 found 12 hours ago

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

November is typically the cheapest month to fly

From €460 - €950 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
€534
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 , 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 €479 and roundtrip prices from €534. 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 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 to 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 €534. 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.

Explore a world of travel with Expedia

*Available to Expedia members.