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Cheap flight tickets 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 return flight from London to San Diego International Airport? If you want to travel next month, return fares start from RM3,228. Find the lowest prices on one-way and return tickets right here.
San Diego.RM1,675 per passenger.Departing Sun, 13 Sep.One-way flight with easyJet.Outbound indirect flight with easyJet, departs from London Luton on Sun, 13 Sep, arriving in San Diego International.Price includes taxes and charges.From RM1,675, select.
San Diego.RM1,749 per passenger.Departing Sun, 14 Jun.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departs from London Luton on Sun, 14 Jun, arriving in San Diego International.Price includes taxes and charges.From RM1,749, select.
San Diego.RM1,780 per passenger.Departing Fri, 28 Aug.One-way flight with Norse Atlantic Airways (UK).Outbound indirect flight with Norse Atlantic Airways (UK), departs from London Gatwick on Fri, 28 Aug, arriving in San Diego International.Price includes taxes and charges.From RM1,780, select.
San Diego.RM1,835 per passenger.Departing Mon, 6 Jul.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departs from London Stansted on Mon, 6 Jul, arriving in San Diego International.Price includes taxes and charges.From RM1,835, select.
San Diego.RM1,835 per passenger.Departing Sun, 4 Oct.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departs from London Luton on Sun, 4 Oct, arriving in San Diego International.Price includes taxes and charges.From RM1,835, select.
San Diego.RM1,868 per passenger.Departing Wed, 9 Dec.One-way flight with Norse Atlantic Airways (UK).Outbound indirect flight with Norse Atlantic Airways (UK), departs from London Gatwick on Wed, 9 Dec, arriving in San Diego International.Price includes taxes and charges.From RM1,868, select.
San Diego.RM1,991 per passenger.Departing Sun, 11 Apr.One-way flight with Wizz Air UK.Outbound indirect flight with Wizz Air UK, departs from London Luton on Sun, 11 Apr, arriving in San Diego International.Price includes taxes and charges.From RM1,991, select.
San Diego.RM2,004 per passenger.Departing Mon, 9 Nov.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departs from London Stansted on Mon, 9 Nov, arriving in San Diego International.Price includes taxes and charges.From RM2,004, select.
San Diego.RM2,065 per passenger.Departing Mon, 11 Jan.One-way flight with Wizz Air UK.Outbound indirect flight with Wizz Air UK, departs from London Luton on Mon, 11 Jan, arriving in San Diego International.Price includes taxes and charges.From RM2,065, select.
San Diego.RM2,140 per passenger.Departing Mon, 8 Feb.One-way flight with Lufthansa.Outbound indirect flight with Lufthansa, departs from London Heathrow on Mon, 8 Feb, arriving in San Diego International.Price includes taxes and charges.From RM2,140, select.
San Diego.RM2,153 per passenger.Departing Mon, 3 May.One-way flight with Air Canada.Outbound indirect flight with Air Canada, departs from London Heathrow on Mon, 3 May, arriving in San Diego International.Price includes taxes and charges.From RM2,153, select.
San Diego.RM2,205 per passenger.Departing Mon, 16 Nov.One-way flight with Finnair.Outbound direct flight with Finnair departs from London Heathrow on Mon, 16 Nov, arriving in San Diego International.Price includes taxes and charges.From RM2,205, select.
San Diego.RM2,207 per passenger.Departing Tue, 26 Jan.One-way flight with Finnair.Outbound direct flight with Finnair departs from London Heathrow on Tue, 26 Jan, arriving in San Diego International.Price includes taxes and charges.From RM2,207, select.
San Diego.RM2,210 per passenger.Departing Mon, 22 Feb.One-way flight with Finnair.Outbound direct flight with Finnair departs from London Heathrow on Mon, 22 Feb, arriving in San Diego International.Price includes taxes and charges.From RM2,210, select.
San Diego.RM2,210 per passenger.Departing Wed, 9 Dec.One-way flight with Finnair.Outbound direct flight with Finnair departs from London Heathrow on Wed, 9 Dec, arriving in San Diego International.Price includes taxes and charges.From RM2,210, select.
San Diego.RM2,221 per passenger.Departing Mon, 12 Apr.One-way flight with Finnair.Outbound direct flight with Finnair departs from London Heathrow on Mon, 12 Apr, arriving in San Diego International.Price includes taxes and charges.From RM2,221, select.

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.
Jun
from RM1,749
Jul
from RM1,835
Aug
from RM1,780
Sep
from RM1,675
Oct
from RM1,835
Nov
from RM2,004
Dec
from RM1,868
Jan
from RM2,065
Feb
from RM2,140
Mar
from RM2,287
Apr
from RM1,991
May
from RM2,153

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.

San Diego International

4km from central San Diego
ClosestCheapest
from RM1,675
Search flights

McClellan-Palomar

48km from central San Diego
from RM2,708
Search flights

London to San Diego: Flight information

The things to know before you go.
Cheapest flight foundRM1,675
Cheapest month to flySeptember
Average flight time11 hrs, 20 mins
Most popular airlineAlaska Airlines
Average flights per week56

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

The best price we found for a return flight from London to San Diego International is RM3,156. 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.
As of June 2026, there are 112 flights per week flying from London to San Diego International.
The cheapest month to fly from London to San Diego International is usually September.
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 Monday, 14 September 2026.
Yes – the average flight time is 11 hours and 20 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to San Diego International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
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

  • London Heathrow Airport (LHR) is London's main airport. Explore your options for reserving a flight from London to San Diego International Airport (SAN) departing from here.

  • 11 hours 20 minutes is the average journey time for a direct London to San Diego International Airport flight.

  • San Diego is eight hours behind London. San Diego International Airport is located in San Diego, which runs on the UTC-8 timezone.

  • With 11 direct weekly flights between the two airports, London Heathrow Airport (LHR) to San Diego International Airport (SAN) is the most popular route. British Airways operates the earliest flight at 11:30am. If you'd like to get more out of your day before flying, the latest departure from LHR to SAN is with British Airways at 2:55pm.

  • To ensure you catch your flight from London to SAN, leave plenty of time to navigate the airport and find your gate. Arriving two hours before international departures and one hour before domestic flights is the general rule.

  • Travelling during a popular month like July? School holidays and other high seasons can lead to longer lines at security. Play things extra safe and arrive up to four hours before an international flight and two hours before a domestic departure.

Airports in London

London Heathrow Airport (LHR)

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

  • When departing from LHR, you can take a direct flight from London to San Diego International Airport with British Airways.

  • Most travellers prefer to book seats with British Airways between LHR and SAN.

  • British Airways is the most punctual carrier on this route, with 77.27% of its services reaching their destination on time.

  • We make it simple to book cheap flights from London to SAN with a stopover. To explore the options departing from London Heathrow Airport (LHR), uncheck 'Direct flights only.' Then, select a flight with a stop long enough to tour the city of your choice. Major stopovers between LHR and SAN include:

    • Denver International Airport (DEN)

    • Phoenix Sky Harbour International Airport (PHX)

    • Las Vegas Harry Reid International Airport (LAS)

  • Located around 24 kilometres from central London, LHR can be reached in about 45 minutes by car, depending on traffic. The journey by public transport will take roughly 25 minutes.

  • Catching an early flight from London to San Diego International Airport? Avoid the stress of rushing to the terminal (and get some bonus sleep) by staying at one of these hotels close to London Heathrow Airport:

  • When it comes to London Heathrow Airport's on-time performance, data shows 78% of flights meet their scheduled arrival time.

London Gatwick Airport (LGW)

  • Squeeze in an extra adventure with a stopover on your flight from London to San Diego International Airport. Check out these connections between London Gatwick Airport and SAN:

    • Paris Charles de Gaulle Airport (CDG)

    • New York John F. Kennedy International Airport (JFK)

    • Las Vegas Harry Reid International Airport (LAS)

  • LGW is around 48 kilometres from central London. It'll take 1 hour 5 minutes or so to get to the airport driving from the city centre. Public transport takes approximately 1 hour 20 minutes.

  • Start your holiday sooner with an extra night away from home. Before your London to SAN flight, stay in one of these hotels near London Gatwick Airport:

  • London Gatwick Airport has earned its reputation for punctuality. 82% of flights out of here arrive right on target.

London Stansted Airport (STN)

  • The journey to STN from the centre of London is around 45 minutes by public transport. If you're planning to travel by car, it'll take you roughly 1 hour 5 minutes to cover the 56 kilometres or so.

  • Skip the rush on your departure day — stay close to London Stansted Airport and know you'll reach the terminal with time to spare. Get comfy at one of these hotels the day before if you've booked an early London to San Diego International Airport flight:

  • STN has an on-time performance rate of 80%. This means the majority of its flights reach their destination as expected and your plans stay right on track.

About San Diego International Airport (SAN)

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

  • From San Diego International Airport, central San Diego is around 5 kilometres away. It takes about 15 minutes to get to the city centre by car.

  • Travelling by public transport typically takes 25 minutes.

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

  • The cheapest price we've found for a one-way ticket from London to San Diego International Airport is RM1,675. For a return flight on this route, the best price is RM3,156. Depending on when and how early you book, these fares can change.

  • Booking in advance is often the key to scoring a cheap flight from London to SAN. Airlines adjust prices based on demand, so the closer your departure date, the more you'll likely spend on your ticket.

  • The 'Whole month' search tool will show you the cheapest London to San Diego International Airport tickets across the month. It's a good way to snap up a bargain if your dates are flexible.

  • There's no need to search every day to find out if fares have dropped when you create a Price Alert. We'll notify you as soon as a new deal shows up on plane tickets from London to SAN.

  • Filters make it easier to save some cash on your flight from London to San Diego International Airport. Pick the departure times, airlines and number of stops that check all your boxes. Then sort the results by 'Cheapest' to bring up the lowest fares right away.

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

  • It's time to decide when to book your flight from London to San Diego International Airport (SAN). July is when most people visit San Diego. If a slower pace sounds more appealing, think about going in December.

  • When booking your London to SAN plane ticket, consider the kind of weather forecast you're hoping for. August is the warmest month in San Diego, with temperatures ranging from 16ºC (61ºF) to 27ºC (81ºF).

  • If you like travelling in cooler conditions, search for a cheap ticket from London to San Diego International Airport in February when temperatures are between 8ºC (46ºF) and 22ºC (72ºF).

More about San Diego

  • When it comes to looking for somewhere to lay your head, you'll find the most popular stays in San Diego right here. Browse these options as soon as you've booked your flight from London to San Diego International Airport:

  • San Diego Zoo and San Diego Balboa Park are just a couple of the top-rated attractions to add to your San Diego itinerary. Keep the adventure rolling by checking out 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 after you've seen San Diego. Around 177 kilometres away to the northwest, its best attractions include Hollywood Sign, Universal Studios Hollywood and Hollywood Bowl.

  • Long Beach is another sought-after destination in the United States and is around 145 kilometres northwest of San Diego. No journey is complete without a visit to The Queen Mary, Museum of Latin American Art (MOLAA) and Long Beach Lighthouse.

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