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Cheap Flights from San Diego International to London

Compare San Diego International to London flight deals

Find the cheapest month or even day of the year to fly to London

Book the best London fare with no extra fees

Flight deals from San Diego International to London

Looking for a cheap last-minute deal or the best return flight from San Diego International to London? Find the lowest prices on one-way and return tickets right here.
London.R 3,505 per passenger.Departing Fri, 18 Jul.One-way flight with Spirit Airlines.Outbound indirect flight with Spirit Airlines, departs from San Diego International on Fri, 18 Jul, arriving in London Gatwick.Price includes taxes and charges.From R 3,505, select.
London.R 3,666 per passenger.Departing Mon, 4 Aug.One-way flight with Spirit Airlines.Outbound indirect flight with Spirit Airlines, departs from San Diego International on Mon, 4 Aug, arriving in London Gatwick.Price includes taxes and charges.From R 3,666, select.
London.R 4,476 per passenger.Departing Mon, 22 Sep.One-way flight with Spirit Airlines.Outbound indirect flight with Spirit Airlines, departs from San Diego International on Mon, 22 Sep, arriving in London Gatwick.Price includes taxes and charges.From R 4,476, select.
London.R 4,821 per passenger.Departing Tue, 14 Oct.One-way flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departs from San Diego International on Tue, 14 Oct, arriving in London Gatwick.Price includes taxes and charges.From R 4,821, select.
London.R 4,985 per passenger.Departing Tue, 18 Nov.One-way flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departs from San Diego International on Tue, 18 Nov, arriving in London Gatwick.Price includes taxes and charges.From R 4,985, select.
London.R 5,939 per passenger.Departing Mon, 26 Jan.One-way flight with WestJet.Outbound indirect flight with WestJet, departs from San Diego International on Mon, 26 Jan, arriving in London Heathrow.Price includes taxes and charges.From R 5,939, select.
London.R 6,485 per passenger.Departing Wed, 3 Dec.One-way flight with Hawaiian Airlines.Outbound indirect flight with Hawaiian Airlines, departs from San Diego International on Wed, 3 Dec, arriving in London Heathrow.Price includes taxes and charges.From R 6,485, select.
London.R 6,541 per passenger.Departing Thu, 9 Apr.One-way flight with Hawaiian Airlines.Outbound indirect flight with Hawaiian Airlines, departs from San Diego International on Thu, 9 Apr, arriving in London Heathrow.Price includes taxes and charges.From R 6,541, select.

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

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like San Diego International to London flights are currently cheapest in July.
Jun
from R 7,464
Jul
from R 3,505
Aug
from R 3,666
Sep
from R 4,476
Oct
from R 4,821
Nov
from R 4,985
Dec
from R 6,485
Jan
from R 5,939
Feb
from R 6,855
Mar
from R 6,988
Apr
from R 6,541
May
from R 6,815

Direct flights from San Diego International to London

Alternative San Diego International to London routes

Looking for the cheapest, fastest or easiest route from San Diego International to London? You could fly into the following airports instead.

San Diego to London: Flight information

The things to know before you go.
Cheapest flight foundR 3,505
Cheapest month to flyJuly
Average flight time10 hrs, 32 mins
Most popular airlineAlaska Airlines
Average flights per week72

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

There are 6 airports in London: London City, London Heathrow, London Gatwick, London Luton, London Stansted, and London Southend.
The best price we found for a return flight from San Diego International to London is R 9,618. 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.
10 hours and 32 minutes is the average flight time from San Diego International to London.
Alaska Airlines, American Airlines and British Airways fly direct from San Diego International to London.
As of June 2025, there are 72 flights per week flying from San Diego International to London.
The cheapest month to fly from San Diego International to London is usually June 2025.
If you're flying from San Diego International Airport, the cheapest airport near London is London Gatwick – which is 40.3 km away from the centre of London. We've found flights into this airport from R 9,618.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from San Diego International Airport to London on Friday, 18 July 2025.
Yes – the average flight time is 10 hours and 32 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 London 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 London is around 40 days in advance, so don’t leave your flight to the last minute.
In June, the average temperature is usually around 15°C. August is typically the warmest month in London, when it usually averages around 22°C. You can expect the least rain in March. The coldest month is January, with temperatures averaging 1°C. The rainiest month is October.
Currently, Hawaiian Airlines and British Airways offer the cheapest flight tickets to London.

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

  • Hop on a direct flight from San Diego International Airport to London and you'll be in the air for around 11 hours 15 minutes.

  • London is seven hours ahead of San Diego, where San Diego International Airport is located. London follows the UTC+0 timezone.

  • The most popular route is from San Diego International Airport (SAN) to London Heathrow Airport (LHR). There are ten services every week between these two airports. British Airways offers a 16:40 departure between SAN and LHR.

  • Leave plenty of time to get on your SAN to London flight. It's generally best to arrive at least two hours before international departures and an hour ahead for domestic flights.

  • Travelling during a peak time like public or school holidays? Expect longer queues at security and check-in. To be on the safe side, arrive up to four hours before international flights and two hours before domestic departures.

  • You can book a direct San Diego International Airport to London ticket. Begin your journey at SAN and arrive at London Heathrow Airport (LHR).

  • British Airways is a popular airline that offers direct flights from San Diego International Airport to London.

  • Consider adding a stopover to potentially land a cheaper flight ticket from SAN to London. Just uncheck 'Direct flights only' during your search. Take a break (and maybe save some cash) by stopping at one of these airports:

    • Denver International Airport (DEN)

    • Los Angeles International Airport (LAX)

    • John F. Kennedy International Airport (JFK)

  • SAN is about 3 kilometres from central San Diego. If you're catching a cab, ride-sharing or driving from the centre, it'll take you 10 minutes or so to get there, depending on traffic. If you're using public transport, expect the travel time to be around 20 minutes.

  • Planning to catch an early flight from San Diego International Airport to London? Avoid the stress of rushing to the terminal (and sneak in some extra snooze time) by choosing one of these hotels close to SAN:

  • When it comes to San Diego International Airport's on-time performance, 71.38% of flights complete their journey on time.

  • SAN is located at N Harbour Dr.

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

  • R 3,505 is the lowest price we've seen for a one-way San Diego International Airport to London flight. A round-trip flight ticket right now is R 9,618. Depending on the availability when you book, these fares can change.

  • Book one month before you travel. Pricing trends show that this is the ideal window for finding cheap flights from SAN to London.

  • The best month for picking up cheap San Diego International Airport to London tickets is May. Use the 'Whole month' tool to compare all available prices, then choose the dates that offer the biggest savings.

  • Locking in a cheap flight from SAN to London couldn't be easier with Price Alerts. Simply set up one of these automatic notifications and we'll let you know when the price has dropped.

  • Pick your preferred arrival and departure times, airlines and number of stops with our filters. Then, sort the results for your flight from San Diego International Airport to London by 'Cheapest,' 'Best' or 'Fastest.'

Airports in London

London Heathrow Airport (LHR)

  • London Heathrow Airport (LHR) to central London takes about 55 minutes to reach by car. The centre is roughly 31 kilometres away.

  • Getting to the centre by public transport will take you around 1 hour.

  • Consider booking a hotel near LHR if you have a late flight from San Diego International Airport to London. Pick one of these options and make arrival day easier:

  • Go where the road takes you with a London Heathrow Airport rental car. Pick up a set of wheels from Surprice, U-Save or Green Motion and find adventure across London and beyond.

  • To get the lowest price, book your vehicle from London Heathrow Airport about one week in advance of your flight from SAN to London.

London Gatwick Airport (LGW)

  • Central London is around 80 kilometres from London Gatwick Airport (LGW). Once your flight from San Diego International Airport to London has touched down and you've navigated your way to arrivals, expect a drive of around 1 hour 20 minutes.

  • Travelling by public transport will take around 30 minutes.

  • After stepping off your SAN to London flight, unwind at a hotel close to LGW. These are some comfortable options that'll help you sink into relaxation mode:

  • Green Motion, U-Save and Drivalia make collecting a London Gatwick Airport rental car simple. These trusted providers are located in or around the terminal and will have you on your way in a heartbeat.

  • Call dibs on the best options. Securing your ride from LGW three weeks ahead of time often means better prices and a greater range of vehicles.

Stansted Airport (STN)

  • Stansted Airport (STN) is about 64 kilometres from central London. It takes about 1 hour to reach the city centre by car once you've hopped off your flight from San Diego International Airport to London.

  • If you're using public transport, expect a journey of about 1 hour 25 minutes.

  • If you don't want to make your way to the centre, head for a hotel close to STN. Get comfortable at one of these options after your SAN to London flight:

  • Start your trip without worrying about how to get to where you're going with a Stansted Airport rental car. Book your ideal wheels with trusted names here like Green Motion, Drivalia and Europcar.

  • If you're searching for a specific model or make, lock in your ride from STN around four weeks before your flight from San Diego International Airport to London. This gives you a better chance of getting your preferred car, on top of a better deal.

Best time to go to London

  • Before booking your flights from San Diego International Airport to London, consider which time of year works best for you. Peak season in London offers a bustling atmosphere and plenty to do, while low season brings cheaper hotel rates and smaller crowds.

  • Before locking in your San Diego International Airport to London flight ticket, think about what kind of weather you prefer. July is the warmest month in London, with temperatures ranging from 11ºC (52ºF) to 26ºC (79ºF).

  • January sees average temperatures of between 0ºC (32ºF) and 9ºC (48ºF). Look for a cheap ticket from SAN to London around that time if you want to travel in cooler conditions.

More about London

  • Once you've booked your flight from San Diego International Airport to London, find a hotel that offers both comfort and a great location. Make one of these accommodation options your base for exploring London:

  • There are so many things to see and do in this city it can be tricky to know where to start. The British Museum, Big Ben and Buckingham Palace are top attractions which should be on every London itinerary.

Explore more of United Kingdom

  • London has plenty going for it, but there are so many other parts of United Kingdom waiting to be explored. Around 161 kilometres north-west of London, a visit to Birmingham will keep you on the move. Start with leading sights like Cadbury World, The Library of Birmingham and National Sea Life Centre.

  • Around 177 kilometres west of London, Bristol is another favourite stop in United Kingdom. Experience major highlights starting with Clifton Suspension Bridge, Cabot Tower and Brandon Hill Nature Park.

Plan the rest of your trip from San Diego to London

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