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Cheap flights from London Heathrow Airport to Adelaide from $806

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 26/8. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — ADL
9 Sep — 16 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to Adelaide

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to Adelaide
Explore the most affordable flight options available from Heathrow to Adelaide. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 August 2026.

Sat 17/1022:10 -
1 stop26h 15m
Sat 24/1011:30 -
1 stop41h 35m
Deal found 8/8$1,799
Sat 19/922:10 -
1 stop26h 15m
Sat 26/910:30 -
1 stop41h 20m
Deal found 5/8$1,803
Thu 24/921:00 -
2 stops27h 25m
Thu 18/211:30 -
2 stops65h 35m
Deal found 8/8$1,805
Wed 9/1208:35 -
1 stop22h 00m
Wed 27/119:50 -
2 stops28h 05m
Deal found 7/8$1,808
Mon 14/908:05 -
1 stop22h 25m
Mon 28/922:00 -
1 stop24h 35m
Deal found 7/8$1,809
Mon 7/908:05 -
1 stop22h 25m
Wed 7/1011:50 -
2 stops28h 10m
Deal found 9/8$1,812
Tue 1/909:30 -
1 stop21h 00m
Tue 15/922:00 -
1 stop23h 45m
Deal found 6/8$1,813
Thu 12/1121:30 -
1 stop32h 30m
Thu 10/1222:00 -
1 stop25h 55m
Deal found 9/8$1,816
Tue 1/922:10 -
1 stop26h 15m
Mon 7/910:30 -
1 stop41h 20m
Deal found 9/8$1,822
Wed 30/1221:00 -
2 stops34h 15m
Wed 3/214:20 -
2 stops37h 40m
Deal found 6/8$1,823
Tue 15/1206:25 -
2 stops39h 15m
Tue 19/111:00 -
2 stops38h 25m
Deal found 5/8$1,825
Wed 25/1114:55 -
2 stops30h 35m
Wed 16/1222:00 -
1 stop24h 45m
Deal found 9/8$1,829

Find flight deals from Heathrow to Adelaide

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Adelaide (ADL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 10 August 2026.

Round-trip from

$1,799

One-way from

$806

Popular in

December

Cheapest in

May

Average price

$2,481
China Southern
  • China Southern
  • 17/10-24/10
  • 2 total stops
  • 67h 50m total
  • London to Adelaide
Search Deals
26/8
  • 26/8
  • 2 total stops
  • 49h 30m total
  • London to Adelaide
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($287 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($109 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Heathrow to Adelaide that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 10 August 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Adelaide that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonAdelaide

LHR London Heathrow - ADL Adelaide

LHRADL

London Heathrow

Wed 4/11

14:55-10:55

2 stops33h 30m

Adelaide

Tue 24/11

22:00-13:25

1 stop25h 55m

$2,017

LondonAdelaide

LHR London Heathrow - ADL Adelaide

LHRADL

London Heathrow

Wed 23/9

19:25-15:00

1 stop35h 05m

Adelaide

Wed 30/9

22:00-14:10

1 stop24h 40m

$2,085

LondonAdelaide

LHR London Heathrow - ADL Adelaide

LHRADL

London Heathrow

Sat 22/8

09:30-15:00

1 stop21h 00m

Adelaide

Wed 2/9

22:00-18:00

1 stop28h 30m

$2,107

LondonAdelaide

LHR London Heathrow - ADL Adelaide

LHRADL

London Heathrow

Wed 23/9

14:25-20:05

1 stop21h 10m

Adelaide

Wed 30/9

22:00-20:15

1 stop30h 45m

$2,120

LondonAdelaide

LHR London Heathrow - ADL Adelaide

LHRADL

London Heathrow

Mon 21/9

09:05-20:05

1 stop26h 30m

Adelaide

Mon 28/9

22:00-18:40

1 stop29h 10m

$2,123

LondonAdelaide

LHR London Heathrow - ADL Adelaide

LHRADL

London Heathrow

Wed 4/11

13:40-20:50

1 stop20h 40m

Adelaide

Sun 8/11

22:40-18:20

1 stop30h 10m

$2,127

LondonAdelaide

LHR London Heathrow - ADL Adelaide

LHRADL

London Heathrow

Sun 25/10

20:55-09:40

2 stops26h 15m

Adelaide

Thu 26/11

14:30-12:05

2 stops32h 05m

$2,238

LondonAdelaide

LHR London Heathrow - ADL Adelaide

LHRADL

London Heathrow

Sun 18/10

06:30-08:00

2 stops40h 00m

Adelaide

Mon 15/3

11:00-14:55

2 stops38h 25m

$2,243
Fastest return journey

LondonAdelaide

LHR London Heathrow - ADL Adelaide

LHRADL

London Heathrow

Sun 25/10

09:25-16:30

1 stop20h 35m

Adelaide

Thu 26/11

22:00-13:25

1 stop25h 55m

$2,250
Cheapest one-way
Fastest single journey

LondonAdelaide

LHR London Heathrow - ADL Adelaide

LHRADL

London Heathrow

Mon 24/8

09:30-15:00

1 stop21h 00m

$1,127

Flights are sorted by cheapest return flights first.

Deals found on 5/8

Showing 1-10 of 15 resultsSorted by cheapest first
1
2

Best time to book a flight from Heathrow to Adelaide

Have a flexible travel schedule? Discover the best time to fly to Adelaide from Heathrow with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from London Heathrow Airport to Adelaide

How far ahead should I book a flight from London Heathrow Airport to Adelaide?

The price you pay for your flight from London Heathrow Airport to Adelaide may vary depending on when you book. For the best chance of a lower fare, look to book 28 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from London Heathrow Airport to Adelaide?

Currently, May is the cheapest month in which you can book a flight from London Heathrow Airport to Adelaide (average of $1,890). Flying from London Heathrow Airport to Adelaide in December is currently the most expensive (average of $3,008). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost for a return flight from London Heathrow Airport to Adelaide?

Airfare is below average for this route at the moment.

London Heathrow Airport to Adelaide flights typically cost between $2,383 and $2,520 in October.
The cheapest return price found within the last 5 days was $1,799 on China Southern (17 Oct–24 Oct).

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Adelaide. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Adelaide from London Heathrow?

    Adelaide (ADL), located 6.6 km from the city centre, is the airport you fly into when you book flights from London Heathrow to Adelaide. 0 airlines have flights to Adelaide from London Heathrow on a regular basis. Booking flights from London Heathrow to Adelaide should not be difficult; the airport handles an average of 0 inbound flights from London Heathrow per day.

  • How long is the flight from London Heathrow Airport to Adelaide?

    Qatar Airways, British Airways, and Emirates can get you from London Heathrow Airport to Adelaide in just under 21h 10m. Your travel time can differ by up to 13h 55m. There are 16272 km between London Heathrow Airport and Adelaide. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • Can I find deals for flights from Heathrow to Adelaide that include hotel bookings?

    Yes. In addition to deals on Heathrow to Adelaide flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Heathrow to Adelaide?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Adelaide.

  • Can I find deals for business class flights from Heathrow to Adelaide?

    Yes. Cheapflights offers flight deals from Heathrow to Adelaide by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from London Heathrow Airport to Adelaide?

    Currently, May is the cheapest month in which you can book a flight from London Heathrow Airport to Adelaide (average of $1,890). Flying from London Heathrow Airport to Adelaide in December is currently the most expensive (average of $3,008). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Adelaide?

Book flights to Adelaide if you plan to visit one of these locations
Glenelg

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How does Cheapflights help users find flights from Heathrow to Adelaide?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Heathrow to Adelaide. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Heathrow to Adelaide?

Millions of users choose and trust Cheapflights to book the best flight deals from Heathrow to Adelaide for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Heathrow to Adelaide with no change fees?

Need flexible booking options for your flight to Adelaide from Heathrow? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Heathrow to Adelaide become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Adelaide from Heathrow today and book when prices fit your budget.

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