$553 Find Cheap Flights from London Heathrow Airport to San Diego - Compare and Save

Among airlines operating London Heathrow Airport to San Diego flights:

• British Airways: offers extra legroom
• Finnair: offers free seat selection
• American Airlines: offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

Only British Airways operates flights between London Heathrow Airport and San Diego.

Flights from London Heathrow Airport to San Diego usually depart from London Heathrow (LHR) and arrive at San Diego (SAN).

Here are some options for this route, based on selected ticket types and cabin classes:

• British Airways: a cabin bag and a checked bag in Economy Class
• Finnair: a cabin bag and a checked bag in Economy Class
• American Airlines: a cabin bag and a checked bag in Economy Class

Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.

Four cabin classes are available on flights from London Heathrow Airport to San Diego:

• Economy Class
• Premium Economy Class
• Business Class
• First Class

Prices vary by airline.

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $573 round-trip via Houston George Bush Intcntl (IAH), compared to $932 for nonstop.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $56–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

The Boeing 777 family is used most often on this route, operated mainly by British Airways and American Airlines. Other aircraft seen on the route include Boeing 777-300ER variants.

One-stop flights from London Heathrow Airport to San Diego most commonly connect through:

• Denver Intl (DEN) - 35% of one-stop connections
• New York John F Kennedy Intl (JFK) - 21% of one-stop connections
• Seattle/Tacoma Intl (SEA) - 10% of one-stop connections
• Dallas/Fort Worth (DFW) - 5% of one-stop connections

Denver Intl (DEN) handles the largest share of one-stop connections on this route.

Yes. Being flexible with your travel dates can save you up to 10% on the London Heathrow Airport to San Diego route. Wednesday is the cheapest departure day at $853 round-trip on average, while Saturday is the most expensive at $946, a difference of $93. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the London Heathrow Airport to San Diego route, 16% of flights were delayed in the past 3 months, with delays averaging 2 hours 27 minutes.

Morning is the busiest departure period on London Heathrow Airport to San Diego flights, with 50% of flights leaving in that window. Afternoon departures account for 50%, evening flights for 0%, and night flights for 0%.

Some of the most popular sights in San Diego are Gaslamp Quarter, San Diego Convention Center and SeaWorld San Diego. These are among the most viewed places in San Diego on KAYAK.

These are the earliest and latest flight times available from London Heathrow Airport to San Diego:

• Earliest: departs at 11:35 am and lands at 10:56 pm
• Latest: departs at 2:30 pm and lands at 1:51 am.

The flight takes about 11h 21m.

Last-minute fares on this route - booked within 2 weeks of departure - run 14% above the route average of $890. Book 4 weeks before departure for the lowest fares.

A nonstop flight from London Heathrow Airport to San Diego takes 11h 21m, covering 5,469 miles.

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

One-way fares from London Heathrow Airport to San Diego are currently lower than usual. Average one-way flight prices are about $573, which is 26% below the typical average for this route.

British Airways is the only airline operating London Heathrow Airport to San Diego flights. 84% of its flights are on time.

Morning flights have the fewest delays on this route. Delays tend to pile up throughout the day as one late flight pushes the next, so earlier departures are usually more reliable.

Flying via Amsterdam Schiphol (AMS) gives the shortest average 1-stop total travel time at 13h 09m, compared with 13h 17m via Salt Lake City (SLC) and 13h 20m via Denver Intl (DEN).

San Diego is 8 hours behind London Heathrow Airport (Pacific Time vs British Time). Plan for the time shift when scheduling connections or first-day activities.

San Diego Airport (SAN) hosts 5 major car rental companies, with daily rates starting from around $14 for economy cars. Top options include:
· Dollar
· Payless
· Europcar
· Thrifty
· Fox

Round-trip flights from London Heathrow Airport to San Diego range from $757 to $1,112, with an average of $890 over the past 12 months. Anything below $757 counts as a good deal.