British Airways flights from London Heathrow Airport to San Diego (LHR - SAN)

LHR — SAN
18 Apr — 25 Apr1
1 adult
1 adult, Economy, 0 bags

Cheapflights users flying from London to San Diego on British Airways typically fly into San Diego and depart from London Heathrow. Select your dates above for pricing.

British Airways flights from Heathrow to San Diego in 2026

Find detailed information about British Airways flights from Heathrow to San Diego. Explore the options provided by British Airways to plan your journey from Heathrow to San Diego. Data last updated 19 March 2026.

One-way from

£397

Return from

£467

Popular in

July

Cheapest in

February

Average price (all airlines)

£608
British Airways
  • British Airways
  • 6/5
  • Nonstop
  • 11h 20m total
  • London to San Diego
British Airways
  • British Airways
  • 8/9-13/9
  • Nonstop
  • 22h 00m total
  • London to San Diego
Highest demand for flights from London Heathrow to San Diego; 12% potential price increase.
Best time to find cheap flights from London Heathrow to San Diego; 2% potential price drop.
Average price for all London Heathrow to San Diego flights (one-way and round-trip).
  • How do most travelers feel about British Airways?

    British Airways has received a 6.7/10 rating from 7,802 Cheapflights user reviews. If you wish to plan your next trip from London Heathrow Airport to San Diego with British Airways, enter your preferred travel dates above!

  • Can I get a flight from London Heathrow Airport to San Diego on British Airways for under £675?

    Cheapflights users have found 9 British Airways flights for under £675 on the LHR-SAN route. Prices on flights to San Diego from London Heathrow Airport can vary based on many factors including dates. To look at price based on your preferred dates, click here.

How far ahead should I book a flight from London Heathrow Airport to San Diego with British Airways?

Use this chart to determine the optimal time to book a return flight from Heathrow to San Diego. Price data was last updated on 13 March 2026.

Booking with British Airways 57 days in advance of your planned departure date is, on average, the best time to get cheap flights from London Heathrow Airport to San Diego. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from London Heathrow Airport to San Diego with British Airways?

Currently, the most affordable month to book a British Airways flight from London Heathrow Airport to San Diego in February, with an average price of £372. Conversely, traveling with British Airways from London Heathrow Airport to San Diego in December will be the most expensive, with an average cost of £497. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.

Best time to book a flight from Heathrow to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from Heathrow with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

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Other British Airways flights from Heathrow

Browse through other British Airways flights departing from Heathrow. Flight routes are based on user searches made on Cheapflights and were last updated on 19 March 2026.

See what others are saying about British Airways

Read reviews and see what other travellers are saying about their experiences with British Airways. Get insights from real passengers regarding the airline's services, customer satisfaction, and overall travel experience. Use these reviews to inform your decision when choosing British Airways for your next flight. Reviews last updated 19 March 2026.
British Airways
6.7
Okay
7,802 reviews
Overview

Comfort

6.8

Boarding

6.9

Entertainment

6.4

Food

6.4

Crew

7.6

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