Cheap Flights from San Diego to London

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Flight deals from San Diego to London

Looking for a cheap last-minute deal or the best return flight from San Diego to London? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from San Diego to London

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

Direct flights from San Diego to London

Alternative San Diego to London routes

Looking for the cheapest, fastest or easiest route from San Diego 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 foundRs64,058
Cheapest month to flyJanuary
Average flight time10 hrs, 40 mins
Most popular airlineAlaska Airlines
Average flights per week60

Finding cheap flights from San Diego 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 to London is Rs166,696. 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 40 minutes is the average flight time from San Diego to London.
Alaska Airlines, American Airlines and British Airways fly direct from San Diego to London.
As of December 2025, there are 60 flights per week flying from San Diego to London.
The cheapest month to fly from San Diego to London is usually January.
If you're flying from San Diego, the cheapest airport near London is London Stansted – which is 48.6 km away from the centre of London. We've found flights into this airport from Rs166,696.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from San Diego to London on Monday, 12 January 2026.
Yes – the average flight time is 10 hours and 40 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 December, the average temperature is usually around 5°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.
The cheapest airline that flies to London is KLM. And the cheapest airline that flies to London Heathrow Airport is Iberia.

Travelling from San Diego to London: what you need to know

  • San Diego's main base, San Diego International Airport (SAN), is where many great holidays begin. Explore your departure choices from here for your flight from San Diego to London.

  • Touch down at London Heathrow Airport (LHR), London Gatwick Airport (LGW) or Stansted Airport (STN). You can also disembark at London Luton Airport (LTN) and London City Airport (LCY) in London.

  • Jump on a direct San Diego to London flight and you'll be in transit for an average of 10 hours 35 minutes.

  • London's timezone is UTC+0, making London seven hours ahead of San Diego.

  • The busiest route for flights from San Diego to London is from San Diego International Airport (SAN) to London Heathrow Airport (LHR). You can choose from ten weekly services between these two airports. If you want to set off at the first opportunity, the earliest flight from SAN to LHR is the 16:40 British Airways service. If you have other commitments or plans on your day of travel, the last scheduled departure is at 19:50 with British Airways.

  • Give yourself plenty of time to get on your San Diego to London flight. As a general rule, arrive at least two hours before international departures and an hour ahead for domestic flights.

  • During popular months such as July, it's a good idea to get to the airport earlier than usual. Plan to arrive two hours before a domestic departure and four hours ahead of international flights when you fly during high season in general.

How to find the cheapest flights from San Diego to London

  • Currently, Rs64,058 is the lowest price we've seen for a one-way ticket from San Diego to London. The cheapest price for a return flight is Rs166,696. Remember fares can change due to demand at the time of booking.

  • Score cheap San Diego to London flights by booking two months ahead. Based on our research, that's the ideal time for finding the biggest deals.

  • May is the best month for picking up an amazing deal on a plane ticket from San Diego to London. If you're looking to travel at a different time of year, the 'Whole month' tool will show you the lowest prices for every month.

  • Save time searching for cheap flights from San Diego to London by creating a Price Alert. We'll send you an email or notification through the app when a lower fare becomes available.

  • Tailor your flights using filters. Pick your departure and arrival times, total journey duration and airlines. You can also sort the results by 'Fastest,' 'Best' or 'Cheapest' San Diego to London flights.

Flying from San Diego

San Diego International Airport (SAN)

  • If you're after a direct flight from San Diego to London, you can leave from San Diego International Airport (SAN). Get from SAN to London Heathrow Airport (LHR) in one continuous trip.

  • Be on the lookout for promotions with British Airways. This carrier offers direct San Diego to London plane tickets out of SAN.

  • A stopover is the perfect opportunity to break up your journey — and maybe even explore another city. When searching for San Diego to London flights leaving from San Diego International Airport, deselect the 'Direct flights only' box to see where you can stop along the way. Here are some options to consider:

    • 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 ride-sharing, catching a cab or driving from the centre, it'll take 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.

  • Have an early flight from San Diego to London? Avoid the last-minute rush to the terminal (and enjoy a little extra shut-eye) by choosing one of these hotels close to San Diego International Airport:

  • Of the flights that depart from San Diego International Airport, 71.38% arrive on time at their destination.

  • SAN is located at N Harbour Dr.

Arriving in London

London Heathrow Airport (LHR)

  • The distance from London Heathrow Airport (LHR) to central London is approximately 23 kilometres. It'll take you about 55 minutes to reach the centre driving.

  • When travelling on public transport, expect a journey time of about 1 hour.

  • Consider staying in a hotel close to LHR if you have a late flight from San Diego to London. Pick one of these options and avoid the hassle of a long transfer:

  • Get on the fast track to adventure by picking up a London Heathrow Airport rental car. Grab your wheels from Surprice, U-Save or Green Motion and explore beyond London's usual tourist stops.

  • Get the best deal by reserving your ride from London Heathrow Airport around one week before your trip.

London Gatwick Airport (LGW)

  • London Gatwick Airport (LGW) is around 40 kilometres from the centre of London. Once you've disembarked your flight from San Diego to London, it takes approximately 1 hour 20 minutes to get to the heart of the city in a cab or ride-share.

  • The journey will take approximately 30 minutes on public transport.

  • After your flight from San Diego to London, kick back at a hotel close to LGW. These are some great accommodation options that'll help you slip into relaxation mode:

  • Green Motion, U-Save and Drivalia make picking up a London Gatwick Airport rental car quick and easy. These trusted providers are located around or in the terminal and will have you on the road before long.

  • Snap up a deal by booking your ride from LGW three weeks in advance. You can also expect to have a wider range of vehicles.

Stansted Airport (STN)

  • Step off your flight from San Diego to London and go directly to your hotel or start sightseeing right away. Central London is around 48 kilometres from Stansted Airport (STN) and typically takes 1 hour to reach by car.

  • If you go by public transport, the journey will take you about 1 hour 25 minutes.

  • If you don't want to make your way into the centre, find a hotel close to STN. Make yourself comfy at one of these options after your San Diego to London flight:

  • Be in control of the next part of your journey with a Stansted Airport rental car. Green Motion, Drivalia and Europcar are dependable companies for booking.

  • Enjoy a payoff when you plan ahead. Book your ride from STN four weeks before your flight from San Diego to London for the most affordable rates.

Best time to go to London

  • It's time to work out your trip dates for your flight from San Diego to London. July is the busiest month to visit London. If you want a more relaxed vibe, go in February.

  • The warmest month in London is July, with temperatures ranging between 11ºC and 26ºC. Book your San Diego to London ticket then if that's your ideal forecast.

  • Look for cheap flights from San Diego to London in January if you'd rather travel when it's cooler. Temperatures are at their lowest then, ranging between 0ºC and 9ºC on average.

More about London

  • After booking your flight from San Diego to London, find a hotel that offers the right mix of comfort and location. Make one of these accommodation options your base for exploring London:

  • Big Ben and The British Museum are just two of the major attractions to put on your London must-do list. Keep the adventure rolling by checking out Buckingham Palace.

Explore more of United Kingdom

  • Birmingham is just one of the many places in United Kingdom waiting to be explored once you've seen London. Around 161 kilometres to the north-west, its top attractions include Cadbury World, The Library of Birmingham and National Sea Life Centre.

  • Bristol is another essential stop in United Kingdom and is around 177 kilometres west of London. No trip is complete without experiencing Clifton Suspension Bridge, Cabot Tower and Brandon Hill Nature Park.

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