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
£437 - £838
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

Round-trip from

£437

From Heathrow to San Diego

One-way from

£256

One-way flight 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 £556, or £614 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 £369.

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 October, November 2020

The best prices found for LHR to SAN flights in October, November
20 Nov - 3 Dec
£353pp
LHR
London Heathrow
Multiple airlines
     
3 STOPS
SAN
San Diego
SAN
San Diego
Multiple Airlines
     
3 STOPS
LHR
London Heathrow
20 Nov - 3 Dec
£398pp
LHR
London Heathrow
Multiple airlines
 
1 STOP
SAN
San Diego
SAN
San Diego
Finnair
Direct
LHR
London Heathrow
4 Nov - 12 Nov
£398pp
LHR
London Heathrow
Delta
   
2 STOPS
SAN
San Diego
SAN
San Diego
Delta
   
2 STOPS
LHR
London Heathrow

Heathrow to San Diego 2020 flight deals

Cheap flights to San Diego from Heathrow found for this year
20 Nov - 3 Dec
£353pp
LHR
London Heathrow
Multiple airlines
     
3 STOPS
SAN
San Diego
SAN
San Diego
Multiple Airlines
     
3 STOPS
LHR
London Heathrow
7 Dec - 11 Jan
£381pp
LHR
London Heathrow
Multiple airlines
   
2 STOPS
SAN
San Diego
SAN
San Diego
Air Canada
   
2 STOPS
LHR
London Heathrow
9 Dec - 12 Jan
£388pp
LHR
London Heathrow
British Airways
Direct
SAN
San Diego
SAN
San Diego
British Airways
 
1 STOP
LHR
London Heathrow

Direct flights to San Diego from Heathrow

Save time with Heathrow to San Diego direct flight deals
12 Apr - 21 Apr
£364pp
LHR
London Heathrow
Finnair
Direct
SAN
San Diego
SAN
San Diego
Finnair
Direct
LHR
London Heathrow
15 Mar - 1 Apr
£365pp
LHR
London Heathrow
Multiple airlines
Direct
SAN
San Diego
SAN
San Diego
Finnair
Direct
LHR
London Heathrow
10 Feb - 2 Mar
£378pp
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
28 Oct - 12 Nov
£433pp
LHR
London Heathrow
Multiple airlines
     
3 STOPS
SAN
San Diego
SAN
San Diego
Multiple Airlines
     
3 STOPS
LHR
London Heathrow
30 Oct - 2 Nov
£435pp
LHR
London Heathrow
Multiple airlines
   
2 STOPS
SAN
San Diego
SAN
San Diego
Multiple Airlines
     
3 STOPS
LHR
London Heathrow
2 Nov - 3 Dec
£454pp
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
09:30 - 09:40
Air Canada
2 stops
32h 10m
LHR - SAN
Air Canada
£256
Tripmonster
06:05 - 15:30
Brussels Airlines
2 stops
41h 25m
LHR - SAN
Brussels Airlines
07:30 - 15:09
SWISS
2 stops
39h 39m
LHR - SAN
SWISS
£319
swiss

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 £381 on Cheapflights?

Yes, there are multiple flights from Heathrow to San Diego for under £381. The cheapest flight booked recently is on Multiple Airlines for just £353, but on average you can expect to pay £375.

Are there direct flights from Heathrow to San Diego for under £381 on Cheapflights?

Cheapflights has 20 direct flights from Heathrow to San Diego under £381. A good price for a direct flight from Heathrow to San Diego is less than £430.

Are there last-minute flights available from Heathrow to San Diego for under £458?

There are currently 20+ open flights from Heathrow to San Diego within the next 7 days for less than £458.

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 21 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, American Airlines, 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 Alitalia. Our recent data shows that you can find tickets from as low as £364 on this airline. Additional options worth looking into are Finnair and Air Canada, starting at £364 and £369 round-trip. Users have found that Alitalia is 35% 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 Lufthansa. According to our data, you can fly for as low as £254. Users have also found prices from £256 and £271 on Lufthansa and Air Canada, 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 = $1.32
Flight duration
10h 46m
Average temperature for October in San Diego
25.0 °C
Avg rainfall for October in San Diego
16.0 mm

Airports servicing London

Airports servicing San Diego

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