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Flights from London to San Diego
Last updated: 10 November 2026
British Airways operates the only direct flights from London Heathrow (LHR) to San Diego International Airport (SAN), helping you reach your destination sooner. Flights are available year-round, with daily departures.
Plan your trip to San Diego
Customise your holiday
Customise your holiday
Our cheapest flights from London to San Diego
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Prices shown on this page are subject to change. The latest available pricing will be shown on subsequent pages.
All prices shown include any applicable local taxes, fees or charges payable at your accommodation.
Our cabins
Choose your perfect way to fly and enjoy the same uniquely British experience in every cabin.
Economy
- Flexible baggage allowance
- Personal flat screen
- High-speed Wi-Fi on most aircraft
- Access to in-seat power
Premium Economy
- Up to 2 checked bags, 23kg (50lb) each
- Priority boarding
- Wider seats and more legroom
- Sparkling wine to start your journey
- Sustainable amenity kit
Business
- 2 checked bags, 32kg (70lb) each
- Dedicated check-in
- Priority boarding
- Access Club lounges worldwide
- Fully flat bed
- Luxury bedding and amenity kit
First
- 3 checked bags, 32kg (70lb)
- Private check-in at the First Wing
- Fast Track security at London Heathrow, London Gatwick and New York JFK
- Priority boarding
- Access First lounges worldwide
London to San Diego flight details
| Flight information | Details |
|---|---|
| Flight time from London to San Diego | 11 hours |
| Flights per week | Daily departures (14 per week)* |
| Distance from London | 5,485 miles |
| Departure airports | London Heathrow (LHR) |
| Arrival airport | San Diego International Airport (SAN) |
| Cabins available | Economy, premium economy, business, First |
* Subject to change due to operational changes or cancellations.
Why fly from London to San Diego with British Airways?
Outstanding service from the moment you book
We’re the only European airline to offer first class flights between the UK and US, and the only UK airline to offer business class cabins on every flight. Travel in business and check in two bags weighing up to 32kg each, giving you all the space you need to pack for every occasion in San Diego, from Mission beach to an evening at the drive-in cinema.
And with 82% of British Airways flights departing on time in 2025, we’re helping more customers get their trips off to the best possible start.
Book with British Airways Holidays and your trip will be ATOL protected too, giving you total peace of mind.
London to San Diego flight FAQs
You’ll arrive in just over 11 hours. British Airways operates direct flights to San Diego from London Heathrow (LHR) to San Diego International (SAN).
While June through to August is the most popular period to visit, trips outside of these months offer the best chance to find deals on flights. January and February are excellent times to seek out cheaper flights and the period from late September to early November offers budget-friendly travel with ideal autumn weather for sightseeing, minus the peak-season crowds. To find our cheapest flights to San Diego, try our lowest fare finder tool and grab yourself the best deal.
You can book a hand baggage-only ticket or make the most of our generous baggage allowance. If you choose economy standard or one of our British Airways Holidays’ packages, each passenger can check in a bag weighing up to 23kg, in addition to a hand bag, laptop case or other small bag. Families travelling in any cabin with younger children can also check in one car seat and one fully collapsible pushchair. Read more about baggage allowances for children.
If you’re flying in our business cabin, you can check in two bags weighing up to 32kg each. Read our baggage guide for full details.
More destinations like San Diego
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Explore other routes from London (all airports)
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Terms and Conditions
- Flight only prices are updated every 24 hours and are accurate when published. Flights at these prices are limited and may sell out quickly.
- Package holiday prices (flight + hotel or flight + car) prices are updated every 24 to 48 hours and are accurate when published and may vary upon reaching subsequent pages. Availability may be extremely limited particularly during peak periods.
- Return fares displayed are the lowest adult return prices in the cabin specified including taxes, fees and carrier charges, based on a 7-day return journey.
- Each–way fares displayed are the lowest adult each-way prices in the cabin specified based on the lowest adult return prices for a 7 day travel period, including all taxes, fees and carrier charges available in this period.
- One-way fares displayed are the lowest adult prices in the cabin specified including taxes, fees and carrier charges available in this period.
- Package holiday prices (flight + hotel and flight + car) shown are in GBP per person based on 2 adults sharing one room or one car and prices include taxes, fees and carrier charges unless otherwise specified. Flight + car prices based on drivers aged 30-70 years.
- Additional charges will be applied for payments made using a corporate credit card.
- Advertised fares are available on ba.com. Additional charges may apply if purchased through British Airways outlets or travel agents.
- Combine and save on Holidays: Guaranteed savings are only available when booking a Flight + Hotel or Flight + Car booking including one land product, it does not apply to a ‘Customise your trip’ holiday including more than one hotel and / or car.
- Package holidays are protected under British Airways Holidays Ltd by the Civil Aviation Authority. Our ATOL number is 5985.
- Standard British Airways terms and conditions apply.