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Cheap flights from Adelaide to London Heathrow Airport from £421

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 13/11. Fares are subject to change and may not be available on all flights or dates of travel.
ADL — LHR
22 Aug — 29 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Adelaide to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from Adelaide to Heathrow
Explore the most affordable flight options available from Adelaide to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 23 July 2026.

Mon 9/1118:35
ADL
-
LHR
1 stop45h 50m
Singapore Airlines
Sun 22/1109:10
LHR
-
ADL
1 stop21h 40m
Singapore Airlines
Deal found 23/7£905
Sun 15/1110:15
ADL
-
LHR
1 stop30h 10m
Singapore Airlines
Thu 3/1209:10
LHR
-
ADL
1 stop37h 10m
Singapore Airlines
Deal found 19/7£911
Tue 20/1012:00
ADL
-
LHR
2 stops36h 45m
Multiple Airlines
Thu 5/1122:00
LHR
-
ADL
1 stop25h 25m
Multiple Airlines
Deal found 22/7£913
Tue 20/1010:10
ADL
-
LHR
1 stop42h 50m
Singapore Airlines
Thu 5/1109:10
LHR
-
ADL
1 stop21h 40m
Singapore Airlines
Deal found 23/7£920
Tue 18/806:25
ADL
-
LHR
2 stops45h 25m
Multiple Airlines
Tue 25/822:10
LHR
-
ADL
1 stop26h 15m
Multiple Airlines
Deal found 20/7£924
Tue 3/1120:25
ADL
-
LHR
2 stops29h 30m
Multiple Airlines
Mon 23/1121:25
LHR
-
ADL
2 stops26h 40m
Multiple Airlines
Deal found 19/7£930
Wed 14/1010:45
ADL
-
LHR
1 stop28h 40m
Malaysia Airlines
Thu 29/1010:25
LHR
-
ADL
1 stop35h 15m
Malaysia Airlines
Deal found 20/7£940
Mon 3/810:30
ADL
-
LHR
1 stop41h 20m
China Southern
Tue 11/822:10
LHR
-
ADL
1 stop26h 15m
China Southern
Deal found 20/7£940
Tue 20/1009:30
ADL
-
LHR
2 stops43h 20m
China Southern
Thu 5/1122:00
LHR
-
ADL
1 stop25h 25m
China Southern
Deal found 20/7£946
Tue 4/813:40
ADL
-
LHR
2 stops37h 30m
Multiple Airlines
Sun 30/821:20
LHR
-
ADL
2 stops35h 25m
Multiple Airlines
Deal found 19/7£949

Find flight deals from Adelaide to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Adelaide (ADL) to Heathrow (LHR). 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 23 July 2026.

Round-trip from

£905

One-way from

£421

Popular in

December

Cheapest in

March

Average price

£1,233
Singapore Airlines
  • Singapore Airlines
  • 9/11-22/11
  • 2 total stops
  • 67h 30m total
  • Adelaide to London
Search Deals
Cathay Pacific
  • Cathay Pacific
  • 13/11
  • 1 total stop
  • 39h 50m total
  • Adelaide to London
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (£87 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£34 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Adelaide to Heathrow 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 858,174 searches. Data last updated 23 July 2026.
Use the filters below to find and compare flights from Adelaide to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

AdelaideLondon

ADL - LHR

ADLLHR

Adelaide

Wed 14/10

10:45-05:55

1 stop28h 40m

London Heathrow

Thu 29/10

10:25-08:10

1 stop35h 15m

£940
Fastest return journey

AdelaideLondon

ADL - LHR

ADLLHR

Adelaide

Mon 7/9

22:00-13:15

1 stop23h 45m

London Heathrow

Mon 21/9

19:25-11:05

2 stops31h 10m

£1,190

AdelaideLondon

ADL - LHR

ADLLHR

Adelaide

Sun 8/11

19:45-05:05

2 stops43h 50m

London Heathrow

Wed 11/11

20:10-13:45

2 stops31h 05m

£1,201

AdelaideLondon

ADL - LHR

ADLLHR

Adelaide

Mon 14/9

17:10-15:05

2 stops30h 25m

London Heathrow

Sun 20/9

21:45-11:55

2 stops29h 40m

£1,213

AdelaideLondon

ADL - LHR

ADLLHR

Adelaide

Mon 7/9

14:25-12:45

2 stops30h 50m

London Heathrow

Mon 21/9

21:45-11:05

2 stops28h 50m

£1,248

AdelaideLondon

ADL - LHR

ADLLHR

Adelaide

Wed 9/9

22:00-17:30

2 stops28h 00m

London Heathrow

Fri 2/10

17:00-15:00

1 stop37h 30m

£1,298

AdelaideLondon

ADL - LHR

ADLLHR

Adelaide

Thu 10/9

14:25-12:45

2 stops30h 50m

London Heathrow

Sun 27/9

21:45-09:40

2 stops27h 25m

£1,359

AdelaideLondon

ADL - LHR

ADLLHR

Adelaide

Wed 2/9

22:00-18:40

1 stop29h 10m

London Heathrow

Wed 9/9

22:15-09:25

2 stops26h 40m

£1,381

AdelaideLondon

ADL - LHR

ADLLHR

Adelaide

Mon 5/10

10:30-19:20

3 stops42h 20m

London Heathrow

Tue 6/10

21:35-09:50

3 stops50h 45m

£1,527
Cheapest one-way

AdelaideLondon

ADL - LHR

ADLLHR

Adelaide

Fri 13/11

12:00-17:20

1 stop39h 50m

£421

Flights are sorted by cheapest return flights first.

Deals found on 20/7

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

Best time to book a flight from Adelaide to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Adelaide 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 Adelaide to London Heathrow Airport

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

To ensure you get the cheapest price possible for a flight from Adelaide to London Heathrow Airport, you should look to book at least 66 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, March is the cheapest month in which you can book a flight from Adelaide to London Heathrow Airport (average of £910). Flying from Adelaide to London Heathrow Airport in December is currently the most expensive (average of £1,572). 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 Adelaide to London Heathrow Airport?

Airfare is below average for this route at the moment.

Adelaide to London Heathrow Airport flights typically cost between £1,008 and £1,245 in November.
The cheapest return price found within the last 5 days was £905 on Singapore Airlines (9 Nov–22 Nov).

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Heathrow. Reviews last updated 23 July 2026.
See what other customers who have flown with Emirates from Adelaide to London Heathrow Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Emirates
8.1
Very Good
3,632 reviews
Check prices

Boarding

8.1

Entertainment

8.2

Overall

8.1

Crew

8.4

Food

7.9

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Steven,May 2026

DXB - GLA

Anyone that i had the pleasure of dealing with i found to be courteous well mannered and informative
Emirates
8.1
Very Good
3,632 reviews
Emirates
8.1
Very Good
3,632 reviews
Check prices

Boarding

8.1

Entertainment

8.2

Overall

8.1

Crew

8.4

Food

7.9

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Steven,May 2026

DXB - GLA

Anyone that i had the pleasure of dealing with i found to be courteous well mannered and informative

Related info for your journey

Find useful and relevant information for your journey from Adelaide to Heathrow. 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 from for flights from Adelaide to London Heathrow?

    For a flight from Adelaide to London Heathrow, you will be flying from Adelaide. Adelaide (ADL) is just 4.1 mi from the center of the city. Adelaide is the only Adelaide airport and it handles 0 outbound flights to London Heathrow per day. 1 airline has flights to London Heathrow from Adelaide on a regular basis.

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

    Airlines like Malaysia Airlines, British Airways, and Qantas Airways fly from Adelaide to London Heathrow Airport in about 23h 45m. The time it takes to get you to your destination can typically vary by up to 20h 05m. There are 10111 mi between Adelaide and London Heathrow Airport. This flight may include one or multiple stops.

  • What is the cheapest airline to fly from Adelaide to London Heathrow Airport round-trip?

    Emirates, at £1,053, was found to be the cheapest airline from Adelaide to London Heathrow Airport.. Emirates is 2% cheaper than the average price of flights available within the next 90 days to this destination.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Adelaide to Heathrow 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 Adelaide to London Heathrow Airport?

    Currently, March is the cheapest month in which you can book a flight from Adelaide to London Heathrow Airport (average of £910). Flying from Adelaide to London Heathrow Airport in December is currently the most expensive (average of £1,572). 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 London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Hounslow
Milton Keynes
Luton
Wembley
Gatwick
Slough
Ilford
Hayes
Croydon
Colchester
Brentford
Eastbourne
Northampton
Watford
Swindon
Southend-on-Sea
Poole
Kingston upon Thames
Southall
Aylesbury

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Adelaide to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
Adelaide to Gatwick flights

Top airline flying from Adelaide to Heathrow

Discover the top airline that operate flights from Adelaide to Heathrow. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 23 July 2026.
AirlineCheapestAverageFlexibilityOn-time
EmiratesCheapest£1,053Average£1,120FlexibilityNo cancel feeOn-time75%
Search Emirates flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Cheapflights makes it easy to find Adelaide to Heathrow flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Heathrow from Adelaide.

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

Yes, we can. To see specific flights from Adelaide to Heathrow with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Yes! Start tracking prices for Adelaide to Heathrow flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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