Cheap flights from Heathrow to San Diego

LHR — SAN
24 May — 31 May1
Return
1 adult
Economy
From?
To?
Tue 24/5
Tue 31/5

How to find the cheapest flight from Heathrow to San Diego

All the information you need to plan the best LHR to SAN flight in 2022: compare Heathrow to San Diego flight prices with the expected peak season, weather and rainfall in San Diego.

LHR - SAN

Price

£521 - £1,177

SAN

Temperature

14 - 22 °C

SAN

Rainfall

0 - 58 mm

Popular inAugustHigh demand for flights, 38% potential price rise
Cheapest inFebruaryBest time to find cheap flights, 28% potential price drop
Round-trip from£420From London Heathrow to San Diego
One-way from£342One-way flight from London Heathrow to San Diego

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

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 49 days in advance, which can save you up to 31% on flights from London Heathrow Airport to San Diego compared to booking the week you need them. Waiting 49 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at £606. For sooner than that we have options available in the next 3 days from £696.

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

February can be a great time to fly to San Diego from London Heathrow Airport with a flight ticket averaging about £599. Cheapflights users have found deals in the month of February for as cheap as £353. The most expensive prices can be found in the month of July.

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

When flying from London Heathrow Airport to San Diego, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Cheap flights from Heathrow to San Diego in May, June 2022

The best prices found for LHR to SAN flights in May, June
20 Jun - 4 Jul
LHR

London Heathrow

SAN

San Diego

1 stop

13h 51m
SAN

San Diego

LHR

London Heathrow

1 stop

12h 55m
£513

Virgin Atlantic

View Deal

Deal found 17/5/22

18 Jun - 24 Jan
LHR

London Heathrow

SAN

San Diego

1 stop

14h 18m
SAN

San Diego

LHR

London Heathrow

Nonstop

10h 35m
£521

Multiple Airlines

View Deal

Deal found 17/5/22

27 Jun - 11 Jul
LHR

London Heathrow

SAN

San Diego

1 stop

15h 20m
SAN

San Diego

LHR

London Heathrow

1 stop

13h 55m
£522

Virgin Atlantic

View Deal

Deal found 16/5/22

Heathrow to San Diego 2022 flight deals

Cheap flights to San Diego from Heathrow found for this year
16 Nov - 23 Nov
LHR

London Heathrow

SAN

San Diego

1 stop

14h 40m
SAN

San Diego

LHR

London Heathrow

1 stop

21h 31m
£417

United Airlines

View Deal

Deal found 16/5/22

16 Nov - 23 Nov
LHR

London Heathrow

SAN

San Diego

1 stop

14h 40m
SAN

San Diego

LHR

London Heathrow

1 stop

14h 15m
£421

United Airlines

View Deal

Deal found 19/5/22

16 Nov - 23 Nov
LHR

London Heathrow

SAN

San Diego

1 stop

14h 40m
SAN

San Diego

LHR

London Heathrow

1 stop

14h 20m
£422

United Airlines

View Deal

Deal found 18/5/22

Cheap Finnair flights from Heathrow to San Diego

24 Oct - 6 Nov
LHR

London Heathrow

SAN

San Diego

Nonstop

11h 05m
SAN

San Diego

LHR

London Heathrow

Nonstop

10h 35m
£507

Finnair

View Deal

Deal found 18/5/22

24 Oct - 6 Nov
LHR

London Heathrow

SAN

San Diego

Nonstop

11h 05m
SAN

San Diego

LHR

London Heathrow

Nonstop

10h 35m
£511

Finnair

View Deal

Deal found 18/5/22

6 Sep - 11 Oct
LHR

London Heathrow

SAN

San Diego

1 stop

19h 58m
SAN

San Diego

LHR

London Heathrow

Nonstop

10h 25m
£533

Finnair

View Deal

Deal found 19/5/22

  • If you’re travelling from London Heathrow Airport to San Diego, one of the more common airlines travelling that route is Finnair. Flights from Finnair travelling this route typically cost £837.77 RT. This price is typically 60% more expensive than other airlines that offer London Heathrow Airport to San Diego flights. When booking this route, the cheapest RT price found was £502. London Heathrow Airport is the most common London Heathrow Airport airport to take off from when flying to San Diego. San Diego Airport is the most popular arrival airport in San Diego. When flying from London Heathrow Airport to San Diego, Finnair flights are 4% more popular than any other airline flying that same route.

Cheap Air Canada flights from Heathrow to San Diego

24 Oct - 6 Nov
LHR

London Heathrow

SAN

San Diego

2 stops

36h 28m
SAN

San Diego

LHR

London Heathrow

2 stops

18h 25m
£519

Air Canada

View Deal

Deal found 18/5/22

12 Sep - 27 Sep
LHR

London Heathrow

SAN

San Diego

1 stop

14h 50m
SAN

San Diego

LHR

London Heathrow

1 stop

16h 35m
£531

Air Canada

View Deal

Deal found 18/5/22

25 May - 18 Jul
LHR

London Heathrow

SAN

San Diego

2 stops

17h 29m
SAN

San Diego

LHR

London Heathrow

2 stops

33h 35m
£921

Air Canada

View Deal

Deal found 17/5/22

  • Air Canada is one of the most popular airlines used for those travelling from London Heathrow Airport to San Diego. Flights from Air Canada travelling this route typically cost £587.52 RT. This price is typically 88% more expensive than other airlines that offer London Heathrow Airport to San Diego flights. When booking this route, the cheapest RT price found was £418. The most popular departure airport in London Heathrow Airport when flying to San Diego is London Heathrow Airport. The most popular airport to fly into when visiting San Diego is San Diego Airport. When flying from London Heathrow Airport to San Diego, Air Canada flights are 3% more popular than any other airline flying that same route.

Direct flights to San Diego from Heathrow

Save time with Heathrow to San Diego direct flight deals
6 Nov - 15 Nov
LHR

London Heathrow

SAN

San Diego

Nonstop

11h 15m
SAN

San Diego

LHR

London Heathrow

Nonstop

10h 35m
£457

Multiple Airlines

View Deal

Deal found 16/5/22

24 Oct - 6 Nov
LHR

London Heathrow

SAN

San Diego

Nonstop

11h 05m
SAN

San Diego

LHR

London Heathrow

Nonstop

10h 35m
£507

Finnair

View Deal

Deal found 18/5/22

24 Oct - 6 Nov
LHR

London Heathrow

SAN

San Diego

Nonstop

11h 05m
SAN

San Diego

LHR

London Heathrow

Nonstop

10h 35m
£511

Finnair

View Deal

Deal found 18/5/22

Last-minute flights from Heathrow to San Diego

Late deals on return flights to San Diego from Heathrow, departing today and this week
24 May - 2 Jun
LHR

London Heathrow

SAN

San Diego

1 stop

14h 18m
SAN

San Diego

LHR

London Heathrow

1 stop

12h 12m
£589

Virgin Atlantic

View Deal

Deal found 16/5/22

28 May - 6 Jun
LHR

London Heathrow

SAN

San Diego

1 stop

15h 04m
SAN

San Diego

LHR

London Heathrow

1 stop

21h 55m
£703

Virgin Atlantic

View Deal

Deal found 18/5/22

28 May - 6 Jun
LHR

London Heathrow

SAN

San Diego

2 stops

16h 31m
SAN

San Diego

LHR

London Heathrow

1 stop

25h 40m
£724

Finnair

View Deal

Deal found 17/5/22

One-way flights to San Diego from Heathrow

The cheapest one-way flights from Heathrow to San Diego
13 Sep
LHR

London Heathrow

SAN

San Diego

2 stops

30h 55m
£295

Multiple Airlines

View Deal

Deal found 17/5/22

4 Oct
LHR

London Heathrow

SAN

San Diego

2 stops

33h 40m
£313

Multiple Airlines

View Deal

Deal found 18/5/22

9 Nov
LHR

London Heathrow

SAN

San Diego

2 stops

19h 41m
£320

Virgin Atlantic

View Deal

Deal found 18/5/22

Related info for your journey

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

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 5 inbound flights from London Heathrow per day. You should also have plenty of airline options to choose from since 13 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 center.

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

British Airways, Finnair, 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.

Can I find flights from London Heathrow Airport to San Diego for under £400 on Cheapflights?

Yes, there are multiple flights from London Heathrow Airport to San Diego for under £400. The cheapest flight booked recently is on Virgin Atlantic for just £400, but on average you can expect to pay £483.

Are there nonstop flights from London Heathrow Airport to San Diego for under £500 on Cheapflights?

Cheapflights has at least 20 direct flights from London Heathrow Airport to San Diego under £500. A good price for a nonstop flight from London Heathrow Airport to San Diego is less than £549.

Are there last-minute flights available from London Heathrow Airport to San Diego for under £600?

There are currently 20+ open flights from London Heathrow Airport to San Diego within the next 7 days for less than £600.

What are the cheapest airlines flying from London Heathrow Airport to San Diego round-trip?

Flying on Virgin Atlantic is currently your cheapest option to San Diego, with prices starting at £400. Additional round-trip tickets that might be worth considering are offered by Lufthansa and British Airways, with the lowest prices starting at £404 and £419, respectively. You may be able to fly from London Heathrow Airport to San Diego for 31% less than the average price by searching for these airlines.

What are the most popular airlines that fly from London Heathrow Airport to San Diego?

American Airlines, Air Canada and Air France are the most popular airlines when flying from London Heathrow Airport to San Diego.

What are the most reliable airlines from London Heathrow Airport to San Diego?

No one likes to see their flight delayed. When booking a flight from London Heathrow Airport to San Diego consider choosing American Airlines (73%), Aer Lingus (73%) or Finnair (73%) as they are the most reliable in getting you off to your destination on time.

What are the cheapest flights from London Heathrow Airport to San Diego?

Looking at all options, your cheapest flight can be booked for £376. While the most popular route (London Heathrow - San Diego) can be booked for £427 on average our data indicates £1,357 when flying from London Heathrow Airport to San Diego.

Alternative routes for Heathrow to San Diego

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

Top 5 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.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
Air CanadaCheapest£289Average£447FlexibilityNo cancel feeOn-time67%COVID-19 safety
Search Air Canada flights
Virgin AtlanticCheapest£322Average£568FlexibilityNo cancel feeOn-time72%COVID-19 safety
Search Virgin Atlantic flights
British AirwaysCheapest£325Average£564FlexibilityNo cancel feeOn-time70%COVID-19 safety
Search British Airways flights
IberiaCheapest£337Average£473FlexibilityNo cancel feeOn-time77%COVID-19 safety
Search Iberia flights
FinnairCheapest£341Average£589FlexibilityNo cancel feeOn-time76%COVID-19 safety
Search Finnair flights

Hourly flight availability from Heathrow to San Diego

See what time of day planes typically take off from Heathrow to San Diego
0%of flight departuresEarly morningMidnight to 6 am
0%of flight departuresMorning6 am to noon
100%of flight departuresAfternoonNoon to 6 pm
0%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from Heathrow to San Diego

See how many times per day planes take to the skies headed from Heathrow to San Diego
Sunday5daily flights
Monday5daily flights
Tuesday5daily flights
Wednesday5daily flights
Thursday5daily flights
Friday5daily flights
Saturday5daily flights