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Cheap flights from London Heathrow Airport to Adelaide from $981

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 19/9. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — ADL
5 Jun — 12 Jun1
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 6 May 2026.

Mon 22/618:55
LHR
-
ADL
1 stop36h 05m
Multiple Airlines
Mon 29/618:20
ADL
-
LHR
2 stops27h 25m
Multiple Airlines
Deal found 5/5$1,874
Mon 1/621:20
LHR
-
ADL
2 stops37h 50m
Multiple Airlines
Mon 8/609:15
ADL
-
LHR
2 stops41h 55m
Multiple Airlines
Deal found 4/5$1,876
Tue 10/1121:00
LHR
-
ADL
2 stops38h 10m
Multiple Airlines
Thu 10/1206:25
ADL
-
LHR
2 stops45h 35m
Multiple Airlines
Deal found 3/5$1,881
Sat 24/1022:10
LHR
-
ADL
1 stop26h 15m
China Southern
Sat 14/1111:30
ADL
-
LHR
1 stop41h 35m
China Southern
Deal found 4/5$1,885
Mon 19/1021:20
LHR
-
ADL
2 stops36h 50m
Multiple Airlines
Mon 16/1116:30
ADL
-
LHR
2 stops35h 30m
Multiple Airlines
Deal found 1/5$1,890
Mon 9/1108:35
LHR
-
ADL
2 stops37h 50m
Multiple Airlines
Mon 30/1122:00
ADL
-
LHR
1 stop25h 50m
Multiple Airlines
Deal found 5/5$1,903
Mon 1/619:25
LHR
-
ADL
2 stops41h 15m
Multiple Airlines
Sun 21/622:00
ADL
-
LHR
1 stop28h 25m
Multiple Airlines
Deal found 5/5$1,904
Mon 29/608:05
LHR
-
ADL
1 stop22h 55m
Qatar Airways
Thu 16/722:00
ADL
-
LHR
1 stop23h 45m
Qatar Airways
Deal found 1/5$1,906
Wed 24/608:25
LHR
-
ADL
1 stop22h 35m
Multiple Airlines
Tue 14/711:50
ADL
-
LHR
2 stops28h 40m
Multiple Airlines
Deal found 3/5$1,907
Mon 1/621:20
LHR
-
ADL
2 stops35h 25m
Multiple Airlines
Fri 3/713:40
ADL
-
LHR
2 stops37h 30m
Multiple Airlines
Deal found 4/5$1,910
Wed 24/609:30
LHR
-
ADL
1 stop21h 30m
Qatar Airways
Tue 14/722:00
ADL
-
LHR
1 stop24h 40m
Qatar Airways
Deal found 3/5$1,913

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 6 May 2026.

Round-trip from

$1,874

One-way from

$981

Popular in

December

Cheapest in

February

Average price

$1,853
22/6-29/6
  • 22/6-29/6
  • 3 total stops
  • 63h 30m total
  • London to Adelaide
Search Deals
19/9
  • 19/9
  • 3 total stops
  • 47h 40m total
  • London to Adelaide
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($277 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($105 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 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 6 May 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

Thu 21/5

22:15-20:05

1 stop37h 20m

Adelaide

Tue 7/7

22:00-14:25

1 stop24h 55m

$2,112

LondonAdelaide

LHR - ADL

LHRADL

London Heathrow

Sat 16/5

22:15-11:05

2 stops28h 20m

Adelaide

Fri 10/7

22:00-12:25

1 stop22h 55m

$2,229

LondonAdelaide

LHR - ADL

LHRADL

London Heathrow

Fri 17/7

08:25-19:10

2 stops26h 15m

Adelaide

Sun 2/8

22:00-17:55

1 stop28h 25m

$2,657

LondonAdelaide

LHR - ADL

LHRADL

London Heathrow

Fri 17/7

08:25-19:10

2 stops26h 15m

Adelaide

Sun 2/8

18:20-13:15

2 stops27h 25m

$2,661

LondonAdelaide

LHR - ADL

LHRADL

London Heathrow

Sat 16/5

20:50-07:00

2 stops49h 40m

Adelaide

Fri 22/5

09:45-06:30

2 stops29h 15m

$2,673

LondonAdelaide

LHR - ADL

LHRADL

London Heathrow

Mon 13/7

07:30-15:30

2 stops47h 30m

Adelaide

Mon 30/11

22:00-17:00

2 stops29h 30m

$2,961
Fastest return journey

LondonAdelaide

LHR - ADL

LHRADL

London Heathrow

Sat 31/10

13:40-20:50

1 stop20h 40m

Adelaide

Sat 14/11

22:40-11:40

1 stop23h 30m

$3,043

LondonAdelaide

LHR - ADL

LHRADL

London Heathrow

Mon 7/9

06:30-07:00

2 stops40h 00m

Adelaide

Mon 5/10

06:15-13:50

3 stops41h 05m

$3,046

LondonAdelaide

LHR - ADL

LHRADL

London Heathrow

Sun 17/5

11:20-16:20

1 stop20h 30m

Adelaide

Sun 12/7

17:35-15:45

1 stop30h 40m

$3,108
Cheapest one-way

LondonAdelaide

LHR - ADL

LHRADL

London Heathrow

Thu 25/6

08:25-15:30

1 stop22h 35m

$1,192

Flights are sorted by cheapest return flights first.

Deals found on 5/5

Showing 1-10 of 20 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 $1,817). Flying from London Heathrow Airport to Adelaide in December is currently the most expensive (average of $2,970). 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?

    Emirates, Qatar Airways, and Oman Air can get you from London Heathrow Airport to Adelaide in just under 26h 15m. Your travel time can differ by up to 23h 25m. 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 ($1,086), Qantas Airways ($1,337), and Singapore Airlines ($1,348).

  • 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 $1,817). Flying from London Heathrow Airport to Adelaide in December is currently the most expensive (average of $2,970). 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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