Cheap Flights from London to San Diego International

Compare London to San Diego International flight deals

Find the cheapest month or even day of the year to fly to San Diego International

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Flight deals from London to San Diego International

Looking for a cheap last-minute deal or the best round-trip flight from London to San Diego International Airport? If you want to travel next month, round-trip fares start from AED 3,183. Find the lowest prices on one-way and round-trip tickets right here.

Find the cheapest month to fly from London to San Diego International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like London to San Diego International flights are currently cheapest in September.

Direct flights from London to San Diego International

London to San Diego International: Alternative routes

Compare routes from London to San Diego below. You may find an airport to fly into that's cheaper, faster, or easier than San Diego International.

London to San Diego: Flight information

The things to know before you go.
Cheapest flight foundAED 1,510
Cheapest month to flySeptember
Average flight time11 hrs, 20 mins
Most popular airlineAlaska Airlines
Average flights per week112

Finding cheap flights from London to San Diego International: Frequently asked questions

The best price we found for a round-trip flight from London to San Diego International is AED 2,769. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
11 hours and 20 minutes is the average flight time from London to San Diego International.
Alaska Airlines, American Airlines and British Airways fly direct from London to San Diego International.
There are 56 flights per week flying from London to San Diego International, as of May 2026.
The cheapest month to fly from London to San Diego International is usually November.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from London to San Diego International Airport on Wednesday, November 18, 2026.
Yes – the average flight time is 11 hours and 20 minutes.
We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to San Diego is around 40 days in advance, so don’t leave your flight to the last minute.

Flying from London to San Diego International Airport (SAN): What you need to know

  • When organizing a flight from London to San Diego International Airport (SAN), you'll have your pick of airports to jet out of. Check out London Heathrow Airport (LHR) and London Gatwick Airport (LGW) for departure options. Other possibilities include Stansted Airport (STN), London Luton Airport (LTN) and London City Airport (LCY).

  • 11 hours 15 minutes is the average duration of a direct London to San Diego International Airport flight.

  • San Diego International Airport is located in San Diego. The city is in the UTC-7 timezone and is seven hours behind London.

  • The most popular route is from London Heathrow Airport (LHR) to San Diego International Airport (SAN). There are 10 direct services each week. British Airways operates a 11:30am departure between LHR and SAN.

  • For stress-free travel, arrive at the airport two hours ahead of international flights and an hour before domestic departures. This way, you'll have plenty of time to catch your flight from London to SAN.

  • With more people on the move during peak seasons, it's smart to get to your terminal even earlier. Two hours for domestic flights and up to four for international journeys will help you stay ahead of the crowds.

Airports in London

London Heathrow Airport (LHR)

  • You can hop on a direct flight from London to San Diego International Airport (SAN) leaving from London Heathrow Airport (LHR).

  • You'll find a direct flight from London to San Diego International Airport with British Airways. This leading airline operates departures from LHR.

  • The airline most travelers choose when flying between LHR and SAN is British Airways.

  • British Airways is the most punctual carrier operating on this route, with 68.97% of its services arriving as scheduled.

  • Stopovers are the ideal opportunity to break up your trip and possibly even visit a new city. When searching for cheap flights from London to SAN leaving from London Heathrow Airport (LHR), deselect the 'Direct flights only' box to find out where you can visit along the way. Your journey might pause in:

    • Denver International Airport (DEN)

    • Phoenix Sky Harbor International Airport (PHX)

    • Harry Reid Airport (formerly McCarran Airport) (LAS)

  • LHR is about 31 kilometers from central London. If you're driving, catching a cab or ride-sharing from the center, it'll take 55 minutes or so to get there, depending on the traffic. If you're using public transport, expect the trip time to be around 1 hour.

  • Want a relaxed start to your break? Stay near London Heathrow Airport. Whether you're catching an early flight from London to San Diego International Airport or just don't want to be rushed, these hotels are just the thing:

  • 68.18% of flights taking off from London Heathrow Airport reach their destination on time.

London Gatwick Airport (LGW)

  • Tick a new place off your list or just take some time to unwind with a stopover. If you'd like to break up your flight from London to San Diego International Airport, check out these options when setting off from London Gatwick Airport:

    • John F. Kennedy International Airport (JFK)

    • Charles de Gaulle Airport (CDG)

    • Harry Reid Airport (formerly McCarran Airport) (LAS)

  • Using public transport, you can travel from central London to LGW in around 30 minutes. The terminal is roughly 80 kilometers away, and getting there by car will take approximately 1 hour 20 minutes.

  • Want to enjoy an extra night away before catching your London to SAN flight? Check in to a hotel near London Gatwick Airport before your adventure officially begins. These stays are expecting you:

  • Looking at how often flights stay on schedule, London Gatwick Airport has an on-time arrival rate of 69.26%.

Stansted Airport (STN)

  • From the center of London, STN is around 64 kilometers away. It'll take you roughly 1 hour to reach the airport by car and 1 hour 25 minutes or so if you're on public transport.

  • Make catching an early London to San Diego International Airport flight the easiest part of your trip. Stay at one of these accommodation options near Stansted Airport and get to your check-in counter with time to spare:

  • Airports have an on-time performance rating that measures how often flights arrive without delays. At STN, that figure is 64.73%.

About San Diego International Airport (SAN)

Getting from San Diego International Airport (SAN) to central San Diego

  • San Diego International Airport is roughly 3 kilometers from central San Diego. The time it takes to get there in a cab or car rental depends on the time of day. Do a little research before your trip.

  • It takes around 20 minutes if you're traveling by public transport.

How to find the cheapest flights from London to San Diego International Airport (SAN)

  • The lowest price we've found for a one-way ticket from London to San Diego International Airport is AED 1,510. For a return flight on this route, the best price is AED 2,769. Depending on when and how early you book, these fares can change.

  • To find cheap flights from London to SAN, book ahead. Airlines tend to offer lower fares when flights are first released.

  • The 'Whole month' search tool shows you the cheapest London to San Diego International Airport tickets across the entire month. It's an easy way to snap up a bargain if your plans are flexible.

  • You don't need to search every day to find out if prices have dropped when you create a Price Alert. We'll let you know as soon as a new deal shows up on flight tickets from London to SAN.

  • Find a cheap flight from London to San Diego International Airport by using the search filters. Select your preferred duration, number of stops and airlines, then sort the results by 'Cheapest' for the best deals.

The best time to fly from London to San Diego International Airport (SAN)

  • It's time to figure out when to book your flight from London to San Diego International Airport (SAN). July is when most people visit San Diego. If you prefer a quieter vibe, head there in May.

  • The warmest month in San Diego is August, with temperatures ranging between 17ºC (63ºF) and 28ºC (82ºF). Book your London to SAN flight ticket then if that's your ideal forecast.

  • If you like traveling in cooler conditions, look for a cheap ticket from London to San Diego International Airport in February when temperatures are between 7ºC (45ºF) and 23ºC (73ºF).

More about San Diego

  • Start your San Diego trip right by choosing the ideal place to stay. As soon as you've booked your flight from London to San Diego International Airport, browse our selection of hotels including:

  • Your San Diego visit should come with a bit of sightseeing. Leading attractions that are worth your time include San Diego Zoo, San Diego Balboa Park and USS Midway Museum.

Explore more of the United States

  • Los Angeles is just one of the many places in the United States waiting to be discovered once you've seen San Diego. Around 177 kilometers away to the north-west, its top attractions include Hollywood Sign, Griffith Observatory and Hollywood Bowl.

  • Around 145 kilometers north-west of San Diego, Long Beach is another favorite stop in the United States. No visit is complete without checking out SkyThrills! - Fly a Real Fighter Aircraft & Become A Fighter Pilot For A Day! Long Beach, CA, Queen Mary and The Queen Mary.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.