Cheap flights from Heathrow to San Diego

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The best prices from Heathrow to San Diego are usually found in November or February, booked 60 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
£443 - £848
SAN
Temperature
19 - 27 °C
SAN
Rainfall
1 - 70 mm
Popular in July High demand for flights, 33% potential price rise
Cheapest in November Best time to find cheap flights, 22% potential price drop
Average price £500 Average for round-trip flights in September 2020
Round-trip from R443 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 61 days in advance to save up to 16% 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 61 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 £435, or £481 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 November, with the cheapest ticket starting at £374.

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 September, October 2020

The best prices found for LHR to SAN flights in September, October
12 Oct - 16 Oct
£485pp
LHR
London Heathrow
Multiple airlines
     
3 STOPS
SAN
San Diego
SAN
San Diego
Multiple Airlines
     
3 STOPS
LHR
London Heathrow
28 Oct - 26 Nov
£498pp
LHR
London Heathrow
Multiple airlines
   
2 STOPS
SAN
San Diego
SAN
San Diego
Air Canada
   
2 STOPS
LHR
London Heathrow
28 Oct - 29 Nov
£501pp
LHR
London Heathrow
Multiple airlines
   
2 STOPS
SAN
San Diego
SAN
San Diego
Air Canada
   
2 STOPS
LHR
London Heathrow

Heathrow to San Diego 2020 flight deals

Cheap flights to San Diego from Heathrow found for this year
12 Oct - 16 Oct
£485pp
LHR
London Heathrow
Multiple airlines
     
3 STOPS
SAN
San Diego
SAN
San Diego
Multiple Airlines
     
3 STOPS
LHR
London Heathrow
2 Nov - 1 Dec
£492pp
LHR
London Heathrow
British Airways
Direct
SAN
San Diego
SAN
San Diego
British Airways
 
1 STOP
LHR
London Heathrow
28 Oct - 30 Nov
£498pp
LHR
London Heathrow
Multiple airlines
   
2 STOPS
SAN
San Diego
SAN
San Diego
Air Canada
 
1 STOP
LHR
London Heathrow

Direct flights to San Diego from Heathrow

Save time with Heathrow to San Diego direct flight deals
2 Dec - 6 Dec
£538pp
LHR
London Heathrow
Finnair
Direct
SAN
San Diego
SAN
San Diego
Finnair
Direct
LHR
London Heathrow
2 Dec - 6 Dec
£541pp
LHR
London Heathrow
Finnair
Direct
SAN
San Diego
SAN
San Diego
Finnair
Direct
LHR
London Heathrow
2 Dec - 6 Dec
£566pp
LHR
London Heathrow
British Airways
Direct
SAN
San Diego
SAN
San Diego
British Airways
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
22 Sep - 21 Oct
£1,156pp
LHR
London Heathrow
KLM
   
2 STOPS
SAN
San Diego
SAN
San Diego
KLM
 
1 STOP
LHR
London Heathrow
24 Sep - 24 Oct
£1,195pp
LHR
London Heathrow
Multiple airlines
   
2 STOPS
SAN
San Diego
SAN
San Diego
LOT
   
2 STOPS
LHR
London Heathrow
22 Sep - 22 Oct
£1,199pp
LHR
London Heathrow
Multiple airlines
   
2 STOPS
SAN
San Diego
SAN
San Diego
Air France
   
2 STOPS
LHR
London Heathrow

One-way flights to San Diego from Heathrow

The cheapest one-way flights from Heathrow to San Diego
09:40 - 17:37
TAP AIR PORTUGAL
2 stops
38h 57m
LHR - SAN
TAP AIR PORTUGAL
£428
mytrip.com
09:20 - 13:30
Finnair
Direct
11h 10m
LHR - SAN
Finnair
£457
Kiwi.com
07:00 - 17:56
British Airways
1 stop
18h 56m
LHR - SAN
British Airways
£463
KAYAK

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.

Can I find flights from Heathrow to San Diego for under £500 on Cheapflights?

Yes, there are multiple flights from Heathrow to San Diego for under £500. The cheapest flight booked recently is on Multiple Airlines for just £485, but on average you can expect to pay £510.

Are there direct flights from Heathrow to San Diego for under £600 on Cheapflights?

Cheapflights has 20 direct flights from Heathrow to San Diego under £600. A good price for a direct flight from Heathrow to San Diego is less than £818.

Are there last-minute flights available from Heathrow to San Diego for under £1,200?

There are currently 20+ open flights from Heathrow to San Diego within the next 7 days for less than £1,200.

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 18 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 Lufthansa 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 25m. 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 British Airways. Our recent data shows that you can find tickets from as low as £379 on this airline. Additional options worth looking into are Lufthansa and Brussels Airlines, starting at £391 and £391 round-trip. Users have found that British Airways is 33% 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 KLM. According to our data, you can fly for as low as £340. Users have also found prices from £364 and £398 on KLM and TAP AIR PORTUGAL, 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 = $1.30
Flight duration
10h 45m
Average temperature for September in San Diego
27.0 °C
Avg rainfall for September in San Diego
2.0 mm

Airports servicing London

Airports servicing San Diego

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