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Cheap flights from London Heathrow Airport to Adelaide from $939

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 26/5. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — ADL
24 May — 31 May1
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 24 April 2026.

Mon 29/609:30
LHR
-
ADL
1 stop21h 30m
Qatar Airways
Thu 16/722:00
ADL
-
LHR
1 stop23h 45m
Qatar Airways
Deal found 19/4$1,805
Tue 30/609:30
LHR
-
ADL
1 stop21h 30m
Qatar Airways
Fri 17/722:00
ADL
-
LHR
1 stop23h 45m
Qatar Airways
Deal found 21/4$1,818
Mon 14/921:55
LHR
-
ADL
1 stop33h 05m
Qatar Airways
Mon 28/911:50
ADL
-
LHR
2 stops27h 05m
Qatar Airways
Deal found 19/4$1,821
Mon 4/519:50
LHR
-
ADL
1 stop39h 45m
Emirates
Thu 14/522:00
ADL
-
LHR
1 stop22h 55m
Emirates
Deal found 21/4$1,825
Thu 12/1113:40
LHR
-
ADL
1 stop20h 40m
Emirates
Sat 28/1122:40
ADL
-
LHR
1 stop30h 10m
Emirates
Deal found 23/4$1,830
Thu 12/1108:35
LHR
-
ADL
1 stop22h 00m
Qatar Airways
Sat 28/1122:00
ADL
-
LHR
1 stop24h 45m
Qatar Airways
Deal found 21/4$1,836
Thu 27/808:25
LHR
-
ADL
1 stop22h 35m
Qatar Airways
Sat 19/921:40
ADL
-
LHR
1 stop25h 00m
Qatar Airways
Deal found 22/4$1,840
Thu 7/514:25
LHR
-
ADL
1 stop21h 10m
Emirates
Fri 29/522:00
ADL
-
LHR
1 stop26h 40m
Emirates
Deal found 22/4$1,843
Tue 22/921:20
LHR
-
ADL
3 stops34h 40m
Multiple Airlines
Wed 14/1018:50
ADL
-
LHR
2 stops33h 20m
Multiple Airlines
Deal found 21/4$1,844
Mon 14/914:25
LHR
-
ADL
1 stop21h 10m
Emirates
Fri 25/922:00
ADL
-
LHR
1 stop29h 10m
Emirates
Deal found 23/4$1,849

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 24 April 2026.

Round-trip from

$1,805

One-way from

$939

Popular in

December

Cheapest in

February

Average price

$2,008
Qatar Airways
  • Qatar Airways
  • 29/6-16/7
  • 2 total stops
  • 45h 15m total
  • London to Adelaide
Search Deals
26/5
  • 26/5
  • 2 total stops
  • 39h 10m total
  • London to Adelaide
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($279 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($104 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 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 24 April 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 - ADL

LHRADL

London Heathrow

Wed 3/6

19:25-21:10

2 stops41h 15m

Adelaide

Wed 10/6

18:20-14:05

2 stops28h 15m

$1,948

LondonAdelaide

LHR - ADL

LHRADL

London Heathrow

Thu 4/6

14:25-20:05

1 stop21h 10m

Adelaide

Thu 11/6

14:20-16:10

2 stops34h 20m

$2,065
Fastest return journey

LondonAdelaide

LHR - ADL

LHRADL

London Heathrow

Mon 4/5

09:05-19:55

2 stops26h 20m

Adelaide

Thu 14/5

22:00-12:25

1 stop22h 55m

$2,074

LondonAdelaide

LHR - ADL

LHRADL

London Heathrow

Thu 7/5

09:05-20:05

1 stop26h 30m

Adelaide

Fri 29/5

22:00-20:15

1 stop30h 45m

$2,089

LondonAdelaide

LHR - ADL

LHRADL

London Heathrow

Thu 30/4

09:30-08:05

2 stops38h 05m

Adelaide

Thu 7/5

18:20-14:05

2 stops28h 15m

$2,137

LondonAdelaide

LHR - ADL

LHRADL

London Heathrow

Sat 6/6

14:25-20:05

1 stop21h 10m

Adelaide

Sat 13/6

14:20-14:25

2 stops32h 35m

$2,141

LondonAdelaide

LHR - ADL

LHRADL

London Heathrow

Tue 19/5

09:30-08:05

2 stops38h 05m

Adelaide

Tue 30/6

22:00-13:15

1 stop23h 45m

$2,246

LondonAdelaide

LHR - ADL

LHRADL

London Heathrow

Wed 20/5

21:55-21:10

2 stops38h 45m

Adelaide

Tue 30/6

22:00-13:15

1 stop23h 45m

$2,250

LondonAdelaide

LHR - ADL

LHRADL

London Heathrow

Mon 13/7

10:20-15:30

2 stops44h 40m

Adelaide

Mon 30/11

22:00-09:10

2 stops45h 40m

$2,969

LondonAdelaide

LHR - ADL

LHRADL

London Heathrow

Mon 13/7

07:30-15:30

2 stops47h 30m

Adelaide

Mon 30/11

10:10-09:10

3 stops33h 30m

$3,515

Flights are sorted by cheapest return flights first.

Deals found on 22/4

Showing 1-10 of 19 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, February is the cheapest month in which you can book a flight from London Heathrow Airport to Adelaide (average of $1,821). Flying from London Heathrow Airport to Adelaide in December is currently the most expensive (average of $2,968). 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?

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 and Emirates can get you from London Heathrow Airport to Adelaide in just under 21h 10m. Your travel time can differ by up to 20h 05m. 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.

  • What are the cheapest airlines to fly from London Heathrow Airport to Adelaide one-way?

    The cheapet airlines for a one-way flight from London Heathrow Airport to Adelaide are Qatar Airways ($1,090), Qantas Airways ($1,342), and Singapore Airlines ($1,353).

  • 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, February is the cheapest month in which you can book a flight from London Heathrow Airport to Adelaide (average of $1,821). Flying from London Heathrow Airport to Adelaide in December is currently the most expensive (average of $2,968). 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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