Price observed over the last 3 months for a round trip.
Compare all flight tickets and find cheap flights from London to San Diego
The cheapest flights right now
London – San Diego
Outbound – Nov 23, 2026
1 stop
15h 21m SFO
Return – Dec 7, 2026
1 stop
14h 45m SFO
$773
yesterday
London – San Diego
Outbound – Nov 9, 2026
1 stop
16h 9m ORD
Return – Nov 23, 2026
1 stop
13h 15m ORD
$867
2 days ago
London – San Diego
Outbound – Nov 23, 2026
1 stop
15h 0m MUC
Return – Dec 7, 2026
1 stop
13h 1m DEN
$847
yesterday
London – San Diego
Outbound – Nov 12, 2026
direct
11h 25m Return – Nov 26, 2026
direct
10h 40m $845
3 days ago
* Prices are in USD per passenger, including taxes, for a round trip. Prices are based on searches carried out within the last 72 hours. Please note that availability and ticket prices are subject to change and should not be considered as the final price quoted.
Cheapest flight tickets
$727
Average price of a round trip
$848
Average flight ticket price recorded over the last 3 months for a round trip.
Flight duration
11h20
A flight from London to San Diego takes on average 11h20.
Best time
September
According to user searches, the ideal month to go to San Diego is September.
Tips for finding a cheap flight from London to San Diego
Check out our tips for booking your flight to San Diego (USA) from London (United Kingdom) at the cheapest possible price.
Usually, the cheapest month to pick up a ticket on this route is March, with an average flight ticket price of $614 (calculation over the last two years). The most touristic season corresponds to the months of September, March and October.
For the cheapest flights, it is advisable to buy your ticket at least 35 days before the departure date.
info departure city :
London, United Kingdom
airports :
London City Airport (LCY)
London Gatwick Airport (LGW)
London Heathrow Airport (LHR)
London Luton Airport (LTN)
London-Stansted Airport (STN)
local time :
London is a city in the country United Kingdom, the time zone is [[timezone]]. In London, it is currently {fromLocalTime}, the temperature is on average 17°C, with a minimum of 13°C and a maximum of 21°C.
The city of London (LON) has 5 airport(s): London City, London Gatwick, London Heathrow, London Luton and London-Stansted
destination info :
San Diego, USA
airports :
Lindbergh Field (SAN)
Montgomery Field (MYF)
NAS (NZY)
local time :
San Diego is in the country USA, the time zone is [[timezone]]. In San Diego, it is currently {toLocalTime}, the temperature is on average 22°C, with a minimum of 18°C and a maximum of 31°C.
The city of San Diego has 3 airport(s): Lindbergh Field, Montgomery Field and NAS
Useful info about San Diego
What is the least touristic period to go to San Diego?
If you want to visit San Diego during the least touristic period, choose the month of September.
What is the most popular time to travel to San Diego?
In San Diego, the most popular month is September. It is during this period that the prices offered by airlines are also the highest.
When should I book my flight from London to San Diego?
According to our data, it is recommended to book your flight 35 days before your departure. If you book your flight ticket 6 weeks before your departure, you may find a price below average. You can also choose morning flights that are 16% cheaper than afternoon and evening flights. The cheapest day to book a flight from London to San Diego is Saturday.
What are the arrival and destination airports when traveling between London and San Diego?
When you leave, you can leave from London City, London Gatwick, London Heathrow, London Luton or London-Stansted, and you will arrive at Lindbergh Field.
How to reach London airport from the city centre?
The airport London City is located 16 km, London Gatwick is located 38 km, London Heathrow is located 35 km, London Luton is located 45 km or London-Stansted is located 49 km from the city centre. You can access it by using public transportation, taking a taxi, or renting a car.
Are there other means of transportation to go from London to San Diego?
Airplane is the only means of transportation listed on Liligo for this journey.
Are there big differences in weather between London and San Diego?
In summer, the average temperature is 21°C in San Diego and 18°C in London. The average rainfall in summer is 4 mm in San Diego and 63 mm in London. In summer, it is warmer in San Diego and it rains less in San Diego. In winter, it is colder in San Diego and it rains more in San Diego.
