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 return flight from London to San Diego International? Find the lowest prices on one-way and return tickets right here.

San Diego.C$465 per passenger.Departing Thu., Dec. 4.One-way flight with Norse Atlantic Airways (UK).Outbound indirect flight with Norse Atlantic Airways (UK), departs from London Gatwick on Thu., Dec. 4, arriving in San Diego International.Price includes taxes and charges.From C$465, select.

San Diego.C$493 per passenger.Departing Mon., Nov. 3.One-way flight with Norse Atlantic Airways (UK).Outbound indirect flight with Norse Atlantic Airways (UK), departs from London Gatwick on Mon., Nov. 3, arriving in San Diego International.Price includes taxes and charges.From C$493, select.

San Diego.C$507 per passenger.Departing Wed., Oct. 22.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departs from London Stansted on Wed., Oct. 22, arriving in San Diego International.Price includes taxes and charges.From C$507, select.

San Diego.C$530 per passenger.Departing Mon., Jan. 26.One-way flight with Norse Atlantic Airways (UK).Outbound indirect flight with Norse Atlantic Airways (UK), departs from London Gatwick on Mon., Jan. 26, arriving in San Diego International.Price includes taxes and charges.From C$530, select.

San Diego.C$559 per passenger.Departing Fri., Sep. 26.One-way flight with Norse Atlantic Airways (UK).Outbound indirect flight with Norse Atlantic Airways (UK), departs from London Gatwick on Fri., Sep. 26, arriving in San Diego International.Price includes taxes and charges.From C$559, select.

San Diego.C$569 per passenger.Departing Sun., Mar. 1.One-way flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departs from London Gatwick on Sun., Mar. 1, arriving in San Diego International.Price includes taxes and charges.From C$569, select.

San Diego.C$575 per passenger.Departing Wed., Apr. 15.One-way flight with Norse Atlantic Airways (UK).Outbound indirect flight with Norse Atlantic Airways (UK), departs from London Gatwick on Wed., Apr. 15, arriving in San Diego International.Price includes taxes and charges.From C$575, select.

San Diego.C$580 per passenger.Departing Tue., Feb. 17.One-way flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departs from London Gatwick on Tue., Feb. 17, arriving in San Diego International.Price includes taxes and charges.From C$580, 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 December.

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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 found	C$465
Cheapest month to fly	December
Average flight time	11 hrs, 18 mins
Most popular airline	Alaska Airlines
Average flights per week	52

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

How much are return flights from London to San Diego International?

The best price we found for a return flight from London to San Diego International is C$792. 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.

How long does it take to fly from London to San Diego International?

11 hours and 18 minutes is the average flight time from London to San Diego International.

Which airlines fly direct from London to San Diego International?

Alaska Airlines, American Airlines and British Airways fly direct from London to San Diego International.

How many flights are there a week from London to San Diego International?

As of September 2025, there are 52 flights per week flying from London to San Diego International.

When is the cheapest time to fly from London to San Diego International?

The cheapest month to fly from London to San Diego International is usually October.

Which upcoming date is cheapest to fly from London to San Diego International Airport on?

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, October 6, 2025.

Can I get a direct flight from London to San Diego International Airport?

Yes – the average flight time is 11 hours and 18 minutes.

How can I find the best flight deal to San Diego International?

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.

When is the best time to book flights to San Diego?

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).
Expect to be in the air for 11 hours 10 minutes. That's the average duration of a direct flight from London to San Diego International Airport.
San Diego is 7 hours behind London. San Diego International Airport is located in San Diego, which operates on the UTC-7 timezone.
The busiest route is from London Heathrow Airport (LHR) to San Diego International Airport (SAN), with 17 direct weekly services. If you want to get going as soon as possible, the earliest flight from LHR to SAN is the 12:15 British Airways option. If you prefer to travel later, the final departure is at 15:30 with British Airways.
Arriving two hours before an international flight and one hour ahead of a domestic departure are travel rules to live by. Get to the airport on time to board your flight from London to SAN.
Be prepared for longer lines during popular months like July and other peak seasons. Arriving up to four hours ahead of international flights and two hours for a domestic departure will give you plenty of time for security and boarding.

Airports in London

London Heathrow Airport (LHR)

London Heathrow Airport (LHR) makes it easy to travel directly to your destination. Nonstop flights from London to San Diego International Airport (SAN) depart from this terminal.
When leaving from LHR, you can take a direct flight from London to San Diego International Airport with British Airways.
We make it a cinch to book a flight from London to SAN with a stopover. To see all your options departing from London Heathrow Airport (LHR), deselect 'Direct flights only.' Next, select a flight with a stop long enough to see the sights of the city of your choice. Top stopovers between LHR and SAN include:
- Phoenix Sky Harbour International Airport (PHX)
- Denver International Airport (DEN)
- Harry Reid Airport (formerly McCarran Airport) Airport (LAS)
The distance from central London to LHR is approximately 31 kilometres. Check out travel apps like Google Maps for the fastest way to get there, whether you prefer to drive or use public transport.
Have an early flight from London to San Diego International Airport? Avoid the last-minute rush to the terminal (and enjoy a little extra shut-eye) by picking one of these stays close to London Heathrow Airport:

London Gatwick Airport (LGW)

London Gatwick Airport (LGW) operates direct flights from London to San Diego International Airport (SAN).
From LGW, direct flights from London to SAN can be booked with British Airways.
Visit friends or family or just take a moment to freshen up with a stopover. If you'd like to break up your flight from London to San Diego International Airport, browse these options when departing from London Gatwick Airport:
- Harry Reid Airport (formerly McCarran Airport) Airport (LAS)
- Denver International Airport (DEN)
- Los Angeles International Airport (LAX)
With public transport, you can travel from central London to LGW in about 1 hour and 26 minutes. The airport is roughly 80 kilometres away, and making the trip by car takes approximately 1 hour and 19 minutes.
Want to enjoy an extra night away before your flight from London to SAN? Relax in a hotel near London Gatwick Airport before your vacation officially begins. Stay at one of these accommodation options:

About San Diego International Airport (SAN)

The last thing you want is a long journey to your hotel if you're getting in late on a flight from London to San Diego International Airport. Check in to one of these accommodation options near SAN instead:

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

From San Diego International Airport, San Diego is approximately 5 kilometres away. It takes around 9 minutes to reach the centre driving.
It typically takes 20 minutes when travelling by public transport.

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

C$465 is the cheapest price we've seen for a one-way ticket from London to San Diego International Airport. Return flights start from C$792. Fares are subject to availability and may change at any time.
You're more likely to find flight tickets from London to SAN when you book 8 months before your departure date. We crunched the flight price data and found that's the time fares for this journey are generally at their lowest.
You'll score the best savings on your tickets from London to San Diego International Airport if you take off in May. Take it one step further and use the 'Whole month' tool to see the cheapest day to fly out.
Locking in a cheap ticket from London to SAN is easy with Price Alerts. Simply create one of these automatic alerts and we'll let you know as soon as the price has dropped.
Take advantage of the filters to find your ideal journey. To see the 'Cheapest,' 'Fastest' or 'Best' flights from London to San Diego International Airport, use the 'Sort by' function. You can also filter results by departure and arrival times, airline, and journey duration.

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

July is the busiest month for flights from London to San Diego International Airport. To escape the crowds, travel to San Diego in May when things are quieter.
The warmest month in San Diego is August, with the temperature ranging between 17ºC and 28ºC. Lock in your flights from London to SAN in this month if this is the type of weather you enjoy.
Search for cheap flights from London to San Diego International Airport in February if you want to travel in cooler conditions. Temperatures are at their lowest around then, ranging between 7ºC and 23ºC on average.

More about San Diego

After booking your flight from London to San Diego International Airport, think about where to rest your head in this city. Make one of these options your base for exploring San Diego:
San Diego Zoo and USS Midway Museum are just two of the leading attractions to add to your San Diego to-do list. Keep the sightseeing going at SeaWorld San Diego.

Complete your San Diego trip with a car rental

Finding you a cheap flight from London to San Diego International Airport isn't our only cool trick. Check out our car rentals in San Diego and explore on your own terms. We search for deals from trusted car rental providers and put them all in one place. You can instantly compare rates and then book with no fees.