How do most travelers feel about British Airways?

British Airways has received a 6.7/10 rating from 8,119 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 £889?

Cheapflights users have found 9 British Airways flights for under £889 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?

Booking with British Airways 72 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 £512. Conversely, traveling with British Airways from London Heathrow Airport to San Diego in July will be the most expensive, with an average cost of £849. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.

Weekly British Airways flight availability from London Heathrow Airport to San Diego

The most British Airways flights from LHR to SAN are scheduled on a Monday (2 on average). You will have fewer British Airways flight options on Sunday, which is when the least amount of flights are scheduled (1 on average).

In terms of precipitation, rainfall in San Diego ranges from 0.0 - 58.0 inches per month. February is typically the wettest month, when rainfall can reach 58.0 mm. July is typically the driest time to visit San Diego when rainfall is around 0.0 mm.

If weather is an important factor for your trip to San Diego, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 22.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 14.0 C).

£449+ British Airways Flights from Heathrow to San Diego

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Cheapest British Airways flights from Heathrow to San Diego
Explore the most affordable British Airways flight options available from Heathrow to San Diego. Find the lowest fares with prices last updated on 16 July 2026.

Sat 22/814:30

LHR

SAN

Nonstop11h 20m

British Airways

Mon 7/912:48

SAN

LHR

1 stop14h 02m

British Airways

Deal found 14/7£718

Mon 24/814:30

LHR

SAN

Nonstop11h 20m

British Airways

Sun 6/919:40

SAN

LHR

Nonstop10h 40m

British Airways

Deal found 14/7£745

Sun 30/814:25

LHR

SAN

Nonstop11h 20m

British Airways

Sun 6/909:05

SAN

LHR

1 stop13h 45m

British Airways

Deal found 16/7£760

How do most travelers feel about British Airways?
British Airways has received a 6.7/10 rating from 8,119 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 £889?
Cheapflights users have found 9 British Airways flights for under £889 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.

British Airways flights from Heathrow to San Diego in 2026

One-way from	£449
Return from	£615
Popular in	July
Cheapest in	February
Average price (all airlines)	£822

British Airways
10/9
Nonstop
11h 20m total
London to San Diego

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British Airways
9/11-16/11
1 total stop
26h 41m total
London to San Diego

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Highest demand for flights from London Heathrow to San Diego; 9% potential price increase.

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Best time to find cheap flights from London Heathrow to San Diego; 2% potential price drop.

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Average price for all London Heathrow to San Diego flights (one-way and round-trip).

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Prices

Airlines

The best time to book a flight to San Diego with British Airways is 72 days before departure. On average, fares are higher if you book on the same day as departure.

Which month is the cheapest to fly Economy class from London Heathrow Airport to San Diego?

For Economy class flights, the cheapest month to fly this route is February. The most expensive months are July and December.

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.

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

Find British Airways flight deals from Heathrow to San Diego

Cheapest British Airways flights from Heathrow to San DiegoExplore the most affordable British Airways flight options available from Heathrow to San Diego. Find the lowest fares with prices last updated on 16 July 2026.

Explore the most affordable British Airways flight options available from Heathrow to San Diego. Find the lowest fares with prices last updated on 16 July 2026.

Best British Airways flights from Heathrow to San DiegoDiscover carefully curated British Airways flight deals from Heathrow to San Diego that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 16 July 2026.

Discover carefully curated British Airways flight deals from Heathrow to San Diego that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 16 July 2026.

Direct British Airways flights from Heathrow to San DiegoExplore direct British Airways flight options from Heathrow to San Diego based on user searches, and compare prices and availability for your desired travel dates. Data last updated 16 July 2026.

Explore direct British Airways flight options from Heathrow to San Diego based on user searches, and compare prices and availability for your desired travel dates. Data last updated 16 July 2026.

Last-minute British Airways flights from Heathrow to San DiegoDiscover last-minute British Airways flight deals from Heathrow to San Diego. Data last updated 16 July 2026 and is based on user searches.

Discover last-minute British Airways flight deals from Heathrow to San Diego. Data last updated 16 July 2026 and is based on user searches.

One-way British Airways flights to San DiegoSearch for one-way British Airways flight options to San Diego. Find affordable one-way fares based on user searches. Data last updated 16 July 2026.

Search for one-way British Airways flight options to San Diego. Find affordable one-way fares based on user searches. Data last updated 16 July 2026.

How do most travelers feel about British Airways?

Can I get a flight from London Heathrow Airport to San Diego on British Airways for under £889?

British Airways flights from Heathrow to San Diego in 2026

One-way from

Return from

Popular in

Cheapest in

Average price (all airlines)

When is the best time to book a flight to San Diego with British Airways?

The best time to book a flight to San Diego with British Airways is 72 days before departure. On average, fares are higher if you book on the same day as departure.

Which month is the cheapest to fly Economy class from London Heathrow Airport to San Diego?

For Economy class flights, the cheapest month to fly this route is February. The most expensive months are July and December.

Weekly British Airways flight availability from London Heathrow Airport to San Diego

The most British Airways flights from LHR to SAN are scheduled on a Monday (2 on average). You will have fewer British Airways flight options on Sunday, which is when the least amount of flights are scheduled (1 on average).

Rainfall in San Diego by month

In terms of precipitation, rainfall in San Diego ranges from 0.0 - 58.0 inches per month. February is typically the wettest month, when rainfall can reach 58.0 mm. July is typically the driest time to visit San Diego when rainfall is around 0.0 mm.

Temperature in San Diego by month

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.

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly from Heathrow to San Diego on another airline

Consider alternative airlines that service the San Diego area. Flight routes are based on user searches made on Cheapflights and were last updated on 16 July 2026.

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 16 July 2026.

Complete your trip

Complete your trip to San Diego by adding a car hire and/or hotel booking to your travel itinerary.

Other airlines servicing Heathrow and San Diego

Choose from other airlines serving Heathrow and San Diego.

Other popular destinations in North America

If San Diego is not for you, choose from these other destinations located in North America. Flight routes are based on user searches made on Cheapflights and were last updated on 16 July 2026.

Popular flights with British Airways

Browse through some of the most popular routes that British Airways offers at this time. Flights are based on user searches made on Cheapflights and were last updated on 16 July 2026.

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Cheapest British Airways flights from Heathrow to San Diego
Explore the most affordable British Airways flight options available from Heathrow to San Diego. Find the lowest fares with prices last updated on 16 July 2026.

Best British Airways flights from Heathrow to San Diego
Discover carefully curated British Airways flight deals from Heathrow to San Diego that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 16 July 2026.

Direct British Airways flights from Heathrow to San Diego
Explore direct British Airways flight options from Heathrow to San Diego based on user searches, and compare prices and availability for your desired travel dates. Data last updated 16 July 2026.

Last-minute British Airways flights from Heathrow to San Diego
Discover last-minute British Airways flight deals from Heathrow to San Diego. Data last updated 16 July 2026 and is based on user searches.

One-way British Airways flights to San Diego
Search for one-way British Airways flight options to San Diego. Find affordable one-way fares based on user searches. Data last updated 16 July 2026.