Cheap flights from London to San Diego

Return
Economy
London (LON)
San Diego (SAN)
Depart
Return
Any month
Compare vs Cheapflights |

The best prices from London to San Diego are usually found in February or November, booked 50 days in advance, depart on a Wednesday or Thursday and return on a Wednesday

How to find the cheapest flight from
London (LON) to San Diego (SAN)

All the information you need to plan the best LON to SAN flight in 2021: compare London to San Diego flight prices with the expected peak season, weather and rainfall in San Diego.
LON - SAN
Price
£384 - £797
SAN
Temperature
19 - 27 °C
SAN
Rainfall
1 - 70 mm

Popular in

July

High demand for flights, 32% potential price rise

Cheapest in

February

Best time to find cheap flights, 29% potential price drop

Average price

£797

Average for round-trip flights in July 2021

Round-trip from

£384

From London to San Diego

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly return from London to San Diego?

Tuesday is generally a great day to depart. Flying on this day could help you save up to 14%.

How far in advance should I book a flight from London to San Diego?

To save up to 31% on this flight, we recommend booking at least 49 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from London to San Diego from £546 1-2 weeks out and tickets from £628 for flights departing within the next 72 hours.

What is the cheapest month to fly from London to San Diego?

Our data shows that February tends to be the cheapest month to fly to San Diego from London. Users have commonly found prices around £540 for the month, but tickets can be as low as £318. Due to multiple factors, prepare for potentially higher prices in July.

When is the cheapest time to fly from London to San Diego (LON - SAN)?

When flying from London to San Diego, the time of day you fly usually plays a role in the price. Save by searching for a flight at midday, which can drop the price by up to 34% versus a flight in the afternoon.

Cheap flights from London to San Diego in July, August 2021

The best prices found for LON to SAN flights in July, August
30 Aug - 30 Sep
£452pp
LHR
London Heathrow
Virgin Atlantic
 
1 STOP
SAN
San Diego
SAN
San Diego
Virgin Atlantic
 
1 STOP
LHR
London Heathrow
30 Aug - 30 Sep
£477pp
LHR
London Heathrow
Virgin Atlantic
   
2 STOPS
SAN
San Diego
SAN
San Diego
Virgin Atlantic
 
1 STOP
LHR
London Heathrow
31 Aug - 30 Sep
£497pp
LHR
London Heathrow
Multiple airlines
   
2 STOPS
SAN
San Diego
SAN
San Diego
Air Canada
 
1 STOP
LHR
London Heathrow

London to San Diego 2021 flight deals

Cheap flights to San Diego from London found for this year
22 Nov - 6 Dec
£373pp
LHR
London Heathrow
Lufthansa
 
1 STOP
SAN
San Diego
SAN
San Diego
Lufthansa
 
1 STOP
LHR
London Heathrow
25 Oct - 4 Nov
£375pp
LHR
London Heathrow
SWISS
   
2 STOPS
SAN
San Diego
SAN
San Diego
SWISS
   
2 STOPS
LHR
London Heathrow
25 Oct - 4 Nov
£376pp
LHR
London Heathrow
Brussels Airlines
   
2 STOPS
SAN
San Diego
SAN
San Diego
Brussels Airlines
   
2 STOPS
LHR
London Heathrow

Direct flights to San Diego from London

Save time with London to San Diego direct flight deals
24 Nov - 8 Dec
£389pp
LHR
London Heathrow
British Airways
Direct
SAN
San Diego
SAN
San Diego
British Airways
Direct
LHR
London Heathrow
25 Oct - 4 Nov
£390pp
LHR
London Heathrow
Finnair
Direct
SAN
San Diego
SAN
San Diego
Finnair
Direct
LHR
London Heathrow
22 Nov - 2 Dec
£391pp
LHR
London Heathrow
Finnair
Direct
SAN
San Diego
SAN
San Diego
Finnair
Direct
LHR
London Heathrow

Last-minute flights from London to San Diego

Late deals on return flights to San Diego from London, departing today and this week
1 Aug - 31 Aug
£918pp
LHR
London Heathrow
Multiple airlines
   
2 STOPS
SAN
San Diego
SAN
San Diego
Multiple Airlines
   
2 STOPS
LHR
London Heathrow
5 Aug - 4 Sep
£969pp
LHR
London Heathrow
Multiple airlines
   
2 STOPS
SAN
San Diego
SAN
San Diego
Multiple Airlines
   
2 STOPS
LHR
London Heathrow
1 Aug - 2 Aug
£1,056pp
LHR
London Heathrow
Multiple airlines
   
2 STOPS
SAN
San Diego
SAN
San Diego
Multiple Airlines
   
2 STOPS
LHR
London Heathrow

One-way flights to San Diego from London

The cheapest one-way flights from London to San Diego
08:20 - 18:38
Major Airline
1 stop
18h 18m
LHR - SAN
Major Airline
£373
StudentUniverse
14:20 - 17:28
SWISS
2 stops
35h 08m
LCY - SAN
SWISS
£378
swiss
12:40 - 04:24
United Airlines
2 stops
23h 44m
LHR - SAN
United Airlines
£389
United

Related info for your journey

Useful info, stats and facts about <span class="emphasized">London</span> to <span class="emphasized">San Diego</span> flights.

Flight FAQs

From London to San Diego

Are flight prices decreasing from London to San Diego due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both London and San Diego for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

Which airlines flying from London to San Diego have flexible cancellations due to COVID-19?

Finnair, British Airways, and Virgin Atlantic are some of the carriers that may have flexible cancellation policies. You can use our site to filter for other airlines that may also have this kind of flexibility.

What airport do you fly into for flights to San Diego from London?

If you book a flight to San Diego from London, you will be flying to San Diego, which is the city’s only airport. San Diego (SAN) is located 2.6 mi from the centre of San Diego. There are 0 flights from London to San Diego per day from 12 different airlines.

Can I find flights from London to San Diego for under £436 on Cheapflights?

Yes, there are multiple flights from London to San Diego for under £436. The cheapest flight booked recently is on American Airlines for just £367, but on average you can expect to pay £385.

Are there direct flights from London to San Diego for under £436 on Cheapflights?

Cheapflights has 20 direct flights from London to San Diego under £436. A good price for a direct flight from London to San Diego is less than £434.

Are there last-minute flights available from London to San Diego for under £945?

There are currently 19+ open flights from London to San Diego within the next 7 days for less than £945.

Is London weather warmer or cooler than San Diego?

Our data indicates that the weather will be 27 °C on average in the month of August. The temperature in San Diego is typically hotter than in London. If you're traveling when the temperature is at its warmest, push to plan early, as flight price and availability will have an impact on your travels. For the best results, search for flights well in advance or after peak season.

How long does is the flight from London to San Diego?

Airlines like British Airways, Finnair, and American Airlines fly from London to San Diego in about 11h 10m. The time it takes to get you to your destination is usually consistent. Most flights are nonstop.

What are the cheapest airlines to flying from London to San Diego return?

Cheapflights users have booked flights from London to San Diego from £367 return. Other airlines that can offer you cheap pricing are Lufthansa, from £373, and SWISS, from £375. American Airlines is priced at 32% lower than the current average price of a flight leaving 3 months from now.

What are the cheapest airlines to fly from London to San Diego one-way?

One-way options have recently been found by users for as low as £361 on Lufthansa. Other airlines that offer cheap prices include Major Airline from £373 and SWISS from £378 one-way.

Alternative routes for London to San Diego

See prices for flight routes from nearby airports that may be better suited for you.

Destination information for San Diego

Things to know before you go - useful duration and weather info for your trip from London to San Diego.
Today's exchange rate
£1 = $1.38
Flight duration
10h 45m
Average temperature for July in San Diego
26.0 °C
Avg rainfall for July in San Diego
2.0 mm

Airports servicing London

Gatwick (LGW)
City (LCY)
Stansted (STN)
Luton (LTN)
Southend (SEN)

Airports servicing San Diego

Top 10 airlines flying from London to San Diego

The chart below displays the airlines Cheapflights users travelling from London to San Diego choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Virgin Atlantic
£422 £713 No cancel fee 72%
Search Virgin Atlantic flights
Delta
£381 £723 No cancel fee N/A
Search Delta flights
Iberia
£493 £805 No cancel fee 77%
Search Iberia flights
KLM
£555 £831 No cancel fee 75%
Search KLM flights
Air France
£525 £834 No cancel fee 77%
Search Air France flights
Finnair
£511 £844 No cancel fee 76%
Search Finnair flights
American Airlines
£480 £845 No cancel fee 71%
Search American Airlines flights
British Airways
£421 £862 No cancel fee 70%
Search British Airways flights
United Airlines
£502 £883 No cancel fee 69%
Search United Airlines flights
Lufthansa
£475 £923 No cancel fee 76%
Search Lufthansa flights
Home North America USA California San Diego Cheap flights from London to San Diego
  • Return
  • One-way
  • Multi-city
  • Economy
  • Premium Economy
  • Business
  • First
  • Multiple
Economy
  • Economy
  • Premium Economy
  • Business
  • First
Economy
  • Economy
  • Premium Economy
  • Business
  • First
Economy
  • Economy
  • Premium Economy
  • Business
  • First
Economy
  • Economy
  • Premium Economy
  • Business
  • First
Economy
  • Economy
  • Premium Economy
  • Business
  • First
Economy
  • Economy
  • Premium Economy
  • Business
  • First