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Cheap flights from London Heathrow Airport to Adelaide from $817

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to Adelaide departing on 1/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from London Heathrow Airport to Adelaide

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
21:20 - 17:15
LHR
-
ADL
35h 25m
2 stops
Multiple Airlines Logo
13:40 - 18:40
ADL
-
LHR
37h 30m
2 stops
$1,795Multiple Airlines
Tue, 8 Sep - Tue, 15 Sep
Multiple Airlines Logo
21:00 - 08:55
LHR
-
ADL
27h 25m
2 stops
Multiple Airlines Logo
18:30 - 19:20
ADL
-
LHR
33h 20m
2 stops
$1,798Multiple Airlines
Tue, 1 Sep - Fri, 11 Sep
Multiple Airlines Logo
21:20 - 17:15
LHR
-
ADL
35h 25m
2 stops
Multiple Airlines Logo
08:55 - 18:40
ADL
-
LHR
42h 15m
2 stops
$1,804Multiple Airlines
Tue, 1 Sep - Tue, 15 Sep
Qatar Airways Logo
08:05 - 15:00
LHR
-
ADL
22h 25m
1 stop
Qatar Airways Logo
22:00 - 14:10
ADL
-
LHR
24h 40m
1 stop
$1,808Qatar Airways
Mon, 14 Sep - Tue, 29 Sep
Singapore Airlines Logo
20:35 - 08:50
LHR
-
ADL
25h 45m
1 stop
Singapore Airlines Logo
10:15 - 19:10
ADL
-
LHR
43h 25m
1 stop
$1,813Singapore Airlines
Thu, 19 Nov - Sat, 16 Jan
Qatar Airways Logo
08:05 - 15:00
LHR
-
ADL
22h 25m
1 stop
Qatar Airways Logo
22:00 - 14:10
ADL
-
LHR
24h 40m
1 stop
$1,814Qatar Airways
Mon, 14 Sep - Tue, 29 Sep
Qatar Airways Logo
08:35 - 16:30
LHR
-
ADL
21h 25m
1 stop
Qatar Airways Logo
22:00 - 12:15
ADL
-
LHR
24h 45m
1 stop
$1,815Qatar Airways
Thu, 12 Nov - Sat, 28 Nov
Qatar Airways Logo
08:05 - 15:00
LHR
-
ADL
22h 25m
1 stop
Qatar Airways Logo
22:00 - 14:05
ADL
-
LHR
25h 35m
1 stop
$1,817Qatar Airways
Mon, 7 Sep - Wed, 7 Oct
Qatar Airways Logo
08:25 - 15:00
LHR
-
ADL
22h 05m
1 stop
Qatar Airways Logo
22:00 - 13:15
ADL
-
LHR
23h 45m
1 stop
$1,818Qatar Airways
Thu, 10 Sep - Thu, 17 Sep
Qatar Airways Logo
08:05 - 15:00
LHR
-
ADL
22h 25m
1 stop
Qatar Airways Logo
22:00 - 14:10
ADL
-
LHR
24h 40m
1 stop
$1,820Qatar Airways
Mon, 14 Sep - Tue, 29 Sep

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Qatar Airways flights from London Heathrow Airport to Adelaide

Our best Qatar Airways deals on London Heathrow Airport to Adelaide flight tickets
Qatar Airways
14 Sept
LHR08:05London Heathrow
22h 25m
1 stop
ADL15:00Adelaide
29 Sept
ADL22:00Adelaide
24h 40m
1 stop
LHR14:10London Heathrow
$1,808
Qatar Airways
14 Sept
LHR08:05London Heathrow
22h 25m
1 stop
ADL15:00Adelaide
29 Sept
ADL22:00Adelaide
24h 40m
1 stop
LHR14:10London Heathrow
$1,814
Qatar Airways
12 Nov
LHR08:35London Heathrow
21h 25m
1 stop
ADL16:30Adelaide
28 Nov
ADL22:00Adelaide
24h 45m
1 stop
LHR12:15London Heathrow
$1,815

Cathay Pacific flights from London Heathrow Airport to Adelaide

Our best Cathay Pacific deals on London Heathrow Airport to Adelaide flight tickets
Cathay Pacific
9 Nov
LHR16:50London Heathrow
31h 10m
1 stop
ADL10:30Adelaide
30 Nov
ADL19:45Adelaide
34h 55m
2 stops
LHR20:10London Heathrow
$1,832
Cathay Pacific
1 Nov
LHR11:00London Heathrow
33h 35m
2 stops
ADL07:05Adelaide
22 Nov
ADL12:00Adelaide
29h 00m
1 stop
LHR06:30London Heathrow
$1,838
Cathay Pacific
10 Aug
LHR17:00London Heathrow
40h 55m
2 stops
ADL18:25Adelaide
25 Aug
ADL06:00Adelaide
32h 10m
2 stops
LHR05:40London Heathrow
$2,276

momondo Fare Finder

 
Customise your flight search to find flights from London Heathrow Airport 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, momondo users made 78,305 searches. Data last updated 1 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 - ADL

LHRADL

London Heathrow

Tue 8/9

21:20-17:15

2 stops35h 25m

Adelaide

Tue 15/9

13:40-18:40

2 stops37h 30m

$1,795

LondonAdelaide

LHR - ADL

LHRADL

London Heathrow

Tue 1/9

21:00-08:55

2 stops27h 25m

Adelaide

Fri 11/9

18:30-19:20

2 stops33h 20m

$1,798

LondonAdelaide

LHR - ADL

LHRADL

London Heathrow

Tue 1/9

21:20-17:15

2 stops35h 25m

Adelaide

Tue 15/9

08:55-18:40

2 stops42h 15m

$1,804

LondonAdelaide

LHR - ADL

LHRADL

London Heathrow

Mon 14/9

08:05-15:00

1 stop22h 25m

Adelaide

Tue 29/9

22:00-14:10

1 stop24h 40m

$1,808

LondonAdelaide

LHR - ADL

LHRADL

London Heathrow

Thu 19/11

20:35-08:50

1 stop25h 45m

Adelaide

Sat 16/1

10:15-19:10

1 stop43h 25m

$1,813

LondonAdelaide

LHR - ADL

LHRADL

London Heathrow

Mon 14/9

08:05-15:00

1 stop22h 25m

Adelaide

Tue 29/9

22:00-14:10

1 stop24h 40m

$1,814

LondonAdelaide

LHR - ADL

LHRADL

London Heathrow

Thu 12/11

08:35-16:30

1 stop21h 25m

Adelaide

Sat 28/11

22:00-12:15

1 stop24h 45m

$1,815

LondonAdelaide

LHR - ADL

LHRADL

London Heathrow

Mon 7/9

08:05-15:00

1 stop22h 25m

Adelaide

Wed 7/10

22:00-14:05

1 stop25h 35m

$1,817
Fastest return journey

LondonAdelaide

LHR - ADL

LHRADL

London Heathrow

Thu 10/9

08:25-15:00

1 stop22h 05m

Adelaide

Thu 17/9

22:00-13:15

1 stop23h 45m

$1,818

LondonAdelaide

LHR - ADL

LHRADL

London Heathrow

Mon 14/9

08:05-15:00

1 stop22h 25m

Adelaide

Tue 29/9

22:00-14:10

1 stop24h 40m

$1,820

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Adelaide from

How to get the cheapest flight ticket from London Heathrow Airport to Adelaide

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between London Heathrow Airport and Adelaide?

Prices are currently low for flights on this route.

Typical prices usually range from $2,397 to $2,567.
The lowest price recently found on this route was $1,787.

What is the cheapest month to fly to Adelaide?

The month of February is, on average, the cheapest month to fly to Adelaide from London Heathrow Airport, with most prices found around $1,895. If you aren’t able to travel during the month of February, then book flights to Adelaide from London Heathrow Airport during May instead. Flights to Adelaide in May, while not as cheap as those in February, still average around $1,901.

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

You are more likely to see cheaper flights to Adelaide from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Adelaide for around $2,185 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Adelaide from London Heathrow Airport for as low as $2,201 on momondo.

Can stopping save me money on London Heathrow Airport to Adelaide flights?

You could potentially save up to 36% on your flight if you consider stops on a London Heathrow Airport to Adelaide flight.

How have London Heathrow Airport to Adelaide flight prices changed over time?

As of August 2026, prices for London Heathrow Airport to Adelaide flights are approximately 6% cheaper when compared to flights at the same time last year.

When to book flights from London Heathrow Airport to Adelaide

Are you open to changing your travel dates? Check out the ideal times to fly from London Heathrow Airport to Adelaide according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap London Heathrow Airport to Adelaide (LHR to ADL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to Adelaide

Fastest flight time

20h 35m

Direct flights

None
The fastest flight from London Heathrow Airport to Adelaide takes 20h 35m
There are no direct flights from London Heathrow Airport to Adelaide. There are no popular flight routes from London Heathrow Airport to Adelaide.
Search flight deals

Frequently asked questions about flying from London Heathrow Airport to Adelaide

  • How far is London Heathrow to Adelaide by plane?

    Adelaide is 16276.2 km away from London Heathrow. Flights usually cover this in 20h 35m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from London Heathrow Airport to Adelaide Airport?

    Prices for flights from London Heathrow Airport to Adelaide Airport were last updated today.

  • How old do you have to be to fly from London Heathrow Airport to Adelaide Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London Heathrow Airport to Adelaide Airport.

  • What documentation or ID do you need to fly to Adelaide Airport?

    The required travel and health documents for your Adelaide Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Adelaide Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Travelling to a place near Adelaide?

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

Why use momondo?

Why should I use momondo to find a flight deal from London to Adelaide?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from London to Adelaide. momondo saves you time and could save you money on your trip.

Can I find flights from London to Adelaide with flexible booking policies on momondo?

momondo does allow users to show only those flights to Adelaide from London which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from London to Adelaide?

Once you have performed a search for London to Adelaide flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from London to Adelaide right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Adelaide from London. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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