Cheap flights from Heathrow to San Diego

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How to find the cheapest flight from
Heathrow (LHR) to San Diego (SAN)

All the information you need to plan the best LHR to SAN flight in 2021: compare Heathrow to San Diego flight prices with the expected peak season, weather and rainfall in San Diego.
LHR - SAN
Price
£369 - £833
SAN
Temperature
19 - 27 °C
SAN
Rainfall
1 - 70 mm

Popular in

August

High demand for flights, 38% potential price rise

Cheapest in

February

Best time to find cheap flights, 28% potential price drop

Average price

£440

Average for round-trip flights in May 2021

Round-trip from

£369

From Heathrow to San Diego

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
How far in advance should I book a flight from Heathrow to San Diego?

Travellers have found it’s best to book a flight 49 days in advance to save up to 31% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 49 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Heathrow to San Diego 1-2 weeks in advance for as low as £532, or £611 for flights within the next 24 hours.

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

Flights from Heathrow to San Diego lean towards being more expensive in July. Prices are generally better when you fly from Heathrow to San Diego in February, with the cheapest ticket starting at £310.

Cheap flights from Heathrow to San Diego in May, June 2021

The best prices found for LHR to SAN flights in May, June
11 May - 18 May
£399pp
LHR
London Heathrow
Virgin Atlantic
   
2 STOPS
SAN
San Diego
SAN
San Diego
Virgin Atlantic
 
1 STOP
LHR
London Heathrow
11 May - 18 May
£401pp
LHR
London Heathrow
Virgin Atlantic
   
2 STOPS
SAN
San Diego
SAN
San Diego
Virgin Atlantic
   
2 STOPS
LHR
London Heathrow
17 May - 4 Jun
£431pp
LHR
London Heathrow
Virgin Atlantic
 
1 STOP
SAN
San Diego
SAN
San Diego
Virgin Atlantic
 
1 STOP
LHR
London Heathrow

Heathrow to San Diego 2021 flight deals

Cheap flights to San Diego from Heathrow found for this year
10 Nov - 26 Nov
£356pp
LHR
London Heathrow
Virgin Atlantic
 
1 STOP
SAN
San Diego
SAN
San Diego
Virgin Atlantic
 
1 STOP
LHR
London Heathrow
12 Nov - 26 Nov
£370pp
LHR
London Heathrow
Virgin Atlantic
 
1 STOP
SAN
San Diego
SAN
San Diego
Virgin Atlantic
 
1 STOP
LHR
London Heathrow
10 Nov - 26 Nov
£378pp
LHR
London Heathrow
Finnair
Direct
SAN
San Diego
SAN
San Diego
Finnair
Direct
LHR
London Heathrow

Direct flights to San Diego from Heathrow

Save time with Heathrow to San Diego direct flight deals
31 Aug - 14 Sep
£466pp
LHR
London Heathrow
Finnair
Direct
SAN
San Diego
SAN
San Diego
Finnair
Direct
LHR
London Heathrow
21 Jun - 26 Jul
£477pp
LHR
London Heathrow
Finnair
Direct
SAN
San Diego
SAN
San Diego
Finnair
Direct
LHR
London Heathrow
1 Jul - 20 Jul
£495pp
LHR
London Heathrow
Finnair
Direct
SAN
San Diego
SAN
San Diego
Finnair
Direct
LHR
London Heathrow

Last-minute flights from Heathrow to San Diego

Late deals on return flights to San Diego from Heathrow, departing today and this week
17 May - 4 Jun
£431pp
LHR
London Heathrow
Virgin Atlantic
 
1 STOP
SAN
San Diego
SAN
San Diego
Virgin Atlantic
 
1 STOP
LHR
London Heathrow
17 May - 4 Jun
£434pp
LHR
London Heathrow
Virgin Atlantic
   
2 STOPS
SAN
San Diego
SAN
San Diego
Virgin Atlantic
 
1 STOP
LHR
London Heathrow
17 May - 4 Jun
£460pp
LHR
London Heathrow
Virgin Atlantic
   
2 STOPS
SAN
San Diego
SAN
San Diego
Virgin Atlantic
   
2 STOPS
LHR
London Heathrow

One-way flights to San Diego from Heathrow

The cheapest one-way flights from Heathrow to San Diego
02:30 - 16:09
Lufthansa
2 stops
21h 39m
LHR - SAN
Lufthansa
£337
Lufthansa
10:05 - 05:34
Air Canada
2 stops
51h 29m
LHR - SAN
Air Canada
09:45 - 18:08
SWISS
2 stops
40h 23m
LHR - SAN
SWISS
£395
swiss

Related info for your journey

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

Flight FAQs

From Heathrow to San Diego

Are flight prices decreasing from Heathrow 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 Heathrow 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 Heathrow 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 Heathrow?

San Diego (SAN) is the airport you will fly into if you book a flight from London Heathrow to San Diego. You should not have trouble finding flights to San Diego from London Heathrow; the airport handles an average of 0 inbound flights from London Heathrow per day. You should also have plenty of airline options to choose from since 12 airlines have flights to the San Diego airport from London Heathrow. It is only a 2.6 mi journey from San Diego (SAN) to San Diego’s city centre.

Can I find flights from Heathrow to San Diego for under £495 on Cheapflights?

Yes, there are multiple flights from Heathrow to San Diego for under £495. The cheapest flight booked recently is on Virgin Atlantic for just £431, but on average you can expect to pay £460.

Are there direct flights from Heathrow to San Diego for under £495 on Cheapflights?

Cheapflights has 20 direct flights from Heathrow to San Diego under £495. A good price for a direct flight from Heathrow to San Diego is less than £526.

Are there last-minute flights available from Heathrow to San Diego for under £495?

There are currently 20+ open flights from Heathrow to San Diego within the next 7 days for less than £495.

Does it rain more in Heathrow or San Diego?

Expected rainfall in Heathrow is less than in San Diego. You can expect this to be the case over the next 19 days.

Is Heathrow 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 Heathrow. 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 Heathrow to San Diego?

Airlines like Finnair, British Airways, and United Airlines fly from Heathrow to San Diego in about 11h 10m. The time it takes to get you to your destination can typically vary by up to 2h 35m. This flight may include one or multiple stops.

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

Our cheapest airline available from Heathrow to San Diego is Virgin Atlantic. Our recent data shows that you can find tickets from as low as £432 on this airline. Additional options worth looking into are Lufthansa and Finnair, starting at £465 and £467 round-trip. Users have found that Virgin Atlantic is 16% cheaper than the other options available to this destination.

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

For one-way options, check prices for SWISS. According to our data, you can fly for as low as £336. Users have also found prices from £337 and £356 on SWISS and Lufthansa, respectively.

Related searches

Flights to San Diego from Heathrow
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Alternative routes for Heathrow 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 Heathrow to San Diego.
Today's exchange rate
£1 = $1.42
Flight duration
10h 47m
Average temperature for May in San Diego
22.0 °C
Avg rainfall for May in San Diego
4.0 mm

Airports servicing London

Airports servicing San Diego

Top 10 airlines flying from Heathrow to San Diego

The chart below displays the airlines Cheapflights users travelling from Heathrow 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
American Airlines
£480 £707 No cancel fee 71%
Search American Airlines flights
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
Finnair
£511 £808 No cancel fee 76%
Search Finnair flights
KLM
£555 £831 No cancel fee 75%
Search KLM flights
Air France
£525 £834 No cancel fee 77%
Search Air France flights
British Airways
£455 £867 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
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