€254 Cheap Flights San Diego to London (SAN-LHR)

View €254 flight on Wed, 15 Apr 2026Opens in a new window

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

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

Prices were available within the past 7 days and start at €254 for one-way flights and €518 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Scandinavian Airlines
Tue, 2 Dec - Sat, 6 Dec
SAN
San Diego
LHR
London
€518 Return, found 4 days ago
€518
Return
found 4 days ago
Select Scandinavian Airlines flight, departing Tue, 2 Dec from San Diego to London, returning Sat, 6 Dec, priced at €518 found 4 days ago
British Airways
Sun, 19 Oct - Tue, 4 Nov
SAN
San Diego
LHR
London
€538 Return, found 15 hours ago
€538
Return
found 15 hours ago
Select British Airways flight, departing Sun, 19 Oct from San Diego to London, returning Tue, 4 Nov, priced at €538 found 15 hours ago
American Airlines
Sun, 19 Oct - Tue, 4 Nov
SAN
San Diego
LHR
London
€538 Return, found 15 hours ago
€538
Return
found 15 hours ago
Select American Airlines flight, departing Sun, 19 Oct from San Diego to London, returning Tue, 4 Nov, priced at €538 found 15 hours ago
Virgin Atlantic
Sun, 19 Oct - Tue, 4 Nov
SAN
San Diego
LHR
London
€543 Return, found 15 hours ago
€543
Return
found 15 hours ago
Select Virgin Atlantic flight, departing Sun, 19 Oct from San Diego to London, returning Tue, 4 Nov, priced at €543 found 15 hours ago
Iberia
Sun, 19 Oct - Tue, 4 Nov
SAN
San Diego
LHR
London
€543 Return, found 15 hours ago
€543
Return
found 15 hours ago
Select Iberia flight, departing Sun, 19 Oct from San Diego to London, returning Tue, 4 Nov, priced at €543 found 15 hours ago
Delta
Sun, 19 Oct - Tue, 4 Nov
SAN
San Diego
LHR
London
€543 Return, found 15 hours ago
€543
Return
found 15 hours ago
Select Delta flight, departing Sun, 19 Oct from San Diego to London, returning Tue, 4 Nov, priced at €543 found 15 hours ago
Air Canada
Sun, 30 Nov - Wed, 10 Dec
SAN
San Diego
LHR
London
€549 Return, found 4 days ago
€549
Return
found 4 days ago
Select Air Canada flight, departing Sun, 30 Nov from San Diego to London, returning Wed, 10 Dec, priced at €549 found 4 days ago
Iberia
Sun, 19 Oct - Tue, 4 Nov
SAN
San Diego
LHR
London
€550 Return, found 15 hours ago
€550
Return
found 15 hours ago
Select Iberia flight, departing Sun, 19 Oct from San Diego to London, returning Tue, 4 Nov, priced at €550 found 15 hours ago
United
Tue, 2 Dec - Tue, 16 Dec
SAN
San Diego
LHR
London
€552 Return, found 3 days ago
€552
Return
found 3 days ago
Select United flight, departing Tue, 2 Dec from San Diego to London, returning Tue, 16 Dec, priced at €552 found 3 days ago
Lufthansa
Sun, 30 Nov - Wed, 10 Dec
SAN
San Diego
LHR
London
€556 Return, found 4 days ago
€556
Return
found 4 days ago
Select Lufthansa flight, departing Sun, 30 Nov from San Diego to London, returning Wed, 10 Dec, priced at €556 found 4 days ago

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

November is typically the cheapest month to fly

From €415 - €856 per traveller.

Alternative airports near London

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Heathrow LHR. Cheapest option available. Average driving time to city centre is 28 minutes. Flights from €552
LHR
Heathrow
Cheapest
Average driving time to city centre28 min
Flights from €552

Frequently asked questions

How much is a flight from SAN to Heathrow Airport?
Start packing your suitcase, because round-trip journeys between San Diego Intl. Airport (SAN) and Heathrow Airport (LHR) start from €518. That's based on fares advertised within the last 7 days on Expedia for flights departing within the next year. Prices can change quickly, so book today to score the best deal. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from San Diego Intl. Airport (SAN) to Heathrow Airport?
Each airline has different terms and conditions. If you decide to cancel your escape, head to our Customer Service Portal.
How do I find cheap flights from San Diego Airport to London Heathrow 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 San Diego Airport to London Heathrow flights, you'll see a "no change fees" filter for you to select.
How far is the flight from San Diego Airport to LHR?
San Diego to Hounslow is around 8,800 kilometres, so get ready to spend quite a while in the air. Make sure you pack all the essentials, from your hoodie to your headphones. Toss in a couple of snacks to munch on throughout your flight too.
Which airlines fly direct from San Diego Airport to Heathrow Airport (LHR)?
A popular option with many frequent travellers, British Airways (BA) operates 30 monthly flights from San Diego Airport to London Heathrow. Pick the one that fits with your travel schedule and book your ticket today.
Are San Diego Airport to Heathrow Airport (LHR) flight tickets cheaper when they're purchased at the last minute?
Late planners can occasionally find a bargain, with some of the cheapest airfares from San Diego Airport to London Heathrow popping up a few weeks before the date of departure. If you'd rather book ahead, Expedia compares and updates the best flight deals continuously — as early as a year in advance in some cases. It depends on the carrier though, as not every airline advertises prices so far in advance.

Travel information

Origin airport
San Diego Intl.
Destination airport
Heathrow
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
Return price
€517
Distance
8756 km
Average flight time
18 hours 37 mins

Book with confidence

Perfect flights from San Diego to London

Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from San Diego to London. 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 San Diego Intl. to Heathrow ticket options cater to your travel preferences, with incredible one-way fares from €254 and roundtrip prices from €518. 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 Heathrow 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 London.
Perfect flights from San Diego to London

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