Cheap flights from Heathrow to San Diego

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The best prices from Heathrow 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
Heathrow (LHR) to San Diego (SAN)

LHR - SAN
Price
£390 - £881
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

£429

Average for round-trip flights in November 2020

Round-trip from

£390

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.
What is the cheapest day to fly return from Heathrow to San Diego?

Flying to your destination on a Monday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to San Diego. Check prices with Cheapflights to find a great deal for your trip.

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 £563, or £647 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 £328.

When is the cheapest time to fly from Heathrow to San Diego (LHR - SAN)?

Unlike in the afternoon, when flights are generally more expensive, you can save up to 25% on flights from Heathrow to San Diego by exploring options for tickets in the evening.

Cheap flights from Heathrow to San Diego in November, December 2020

The best prices found for LHR to SAN flights in November, December
27 Dec - 3 Jan
£430pp
LHR
London Heathrow
Multiple airlines
   
2 STOPS
SAN
San Diego
SAN
San Diego
Multiple Airlines
 
1 STOP
LHR
London Heathrow
6 Dec - 20 Dec
£463pp
LHR
London Heathrow
Virgin Atlantic
   
2 STOPS
SAN
San Diego
SAN
San Diego
Virgin Atlantic
 
1 STOP
LHR
London Heathrow
29 Nov - 19 Dec
£465pp
LHR
London Heathrow
Multiple airlines
     
3 STOPS
SAN
San Diego
SAN
San Diego
Multiple Airlines
   
2 STOPS
LHR
London Heathrow

Heathrow to San Diego 2021 flight deals

Cheap flights to San Diego from Heathrow found for next year
27 Dec - 3 Jan
£430pp
LHR
London Heathrow
Multiple airlines
   
2 STOPS
SAN
San Diego
SAN
San Diego
Multiple Airlines
 
1 STOP
LHR
London Heathrow
6 Dec - 20 Dec
£463pp
LHR
London Heathrow
Virgin Atlantic
   
2 STOPS
SAN
San Diego
SAN
San Diego
Virgin Atlantic
 
1 STOP
LHR
London Heathrow
29 Nov - 19 Dec
£465pp
LHR
London Heathrow
Multiple airlines
     
3 STOPS
SAN
San Diego
SAN
San Diego
Multiple Airlines
   
2 STOPS
LHR
London Heathrow

Direct flights to San Diego from Heathrow

Save time with Heathrow to San Diego direct flight deals
10 Feb - 25 Feb
£367pp
LHR
London Heathrow
Finnair
Direct
SAN
San Diego
SAN
San Diego
Finnair
Direct
LHR
London Heathrow
10 Feb - 25 Feb
£368pp
LHR
London Heathrow
Finnair
Direct
SAN
San Diego
SAN
San Diego
Finnair
Direct
LHR
London Heathrow
10 Feb - 25 Feb
£374pp
LHR
London Heathrow
Iberia
Direct
SAN
San Diego
SAN
San Diego
Iberia
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
6 Dec - 20 Dec
£463pp
LHR
London Heathrow
Virgin Atlantic
   
2 STOPS
SAN
San Diego
SAN
San Diego
Virgin Atlantic
 
1 STOP
LHR
London Heathrow
3 Dec - 7 Dec
£483pp
LHR
London Heathrow
Multiple airlines
   
2 STOPS
SAN
San Diego
SAN
San Diego
Air Canada
   
2 STOPS
LHR
London Heathrow
3 Dec - 7 Dec
£498pp
LHR
London Heathrow
Lufthansa
   
2 STOPS
SAN
San Diego
SAN
San Diego
Lufthansa
 
1 STOP
LHR
London Heathrow

One-way flights to San Diego from Heathrow

The cheapest one-way flights from Heathrow to San Diego
08:20 - 11:30
British Airways
Direct
11h 10m
LHR - SAN
British Airways
£307
Gotogate
07:05 - 04:16
United Airlines
2 stops
29h 11m
LHR - SAN
United Airlines
£337
United
08:45 - 06:33
Air Canada
2 stops
53h 48m
LHR - SAN
Air Canada
£353
Travel2Be

Related info for your journey

Useful info, stats and facts about Heathrow to San Diego 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.

What safety measures are being taken by airlines flying from London Heathrow to San Diego to control the spread of COVID-19?

Delta is one of the many airlines that have implemented additional safety measures to control the spread of COVID-19. Some of the new policies that have been implemented to accommodate travellers flying from London Heathrow to San Diego are improved sanitation, HEPA filters, mask requirements, socially-distanced seating (for a limited time), and pre-flight testing for antibodies and symptoms. Policies will vary by airline.

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

British Airways, Virgin Atlantic, and American Airlines 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.

Can I find flights from Heathrow to San Diego for under £374 on Cheapflights?

Yes, there are multiple flights from Heathrow to San Diego for under £374. The cheapest flight booked recently is on Multiple Airlines for just £364, but on average you can expect to pay £379.

Are there direct flights from Heathrow to San Diego for under £374 on Cheapflights?

Cheapflights has 14 direct flights from Heathrow to San Diego under £374. A good price for a direct flight from Heathrow to San Diego is less than £1,683.

Are there last-minute flights available from Heathrow to San Diego for under £524?

There are currently 19+ open flights from Heathrow to San Diego within the next 7 days for less than £524.

Does it rain more in Heathrow or San Diego?

Expected rainfall in Heathrow is same as in San Diego. You can expect this to be the case over the next 23 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 British Airways, Finnair, and Iberia fly from Heathrow to San Diego in about 11h 10m. The time it takes to get you to your destination is usually consistent. All flights are typically direct.

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

Our cheapest airline available from Heathrow to San Diego is British Airways. Our recent data shows that you can find tickets from as low as £367 on this airline. Additional options worth looking into are Finnair and Air Canada, starting at £368 and £370 round-trip. Users have found that British Airways is 32% 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 £264. Users have also found prices from £265 and £299 on SWISS and Lufthansa, respectively.

Alternative routes for Heathrow to San Diego

Destination information for San Diego

Things to know before you go. Useful info for your trip from Heathrow to San Diego
Today's exchange rate
£1 = $1.34
Flight duration
10h 45m
Average temperature for November in San Diego
22.0 °C
Avg rainfall for November in San Diego
52.0 mm

Airports servicing London

Airports servicing San Diego

Top 10 airlines 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 change fee 77%
Search Iberia flights
Finnair
£511 £808 No change fee 76%
Search Finnair flights
KLM
£555 £831 No change fee 75%
Search KLM flights
Air France
£525 £834 No change 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 change fee 76%
Search Lufthansa flights
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