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Cheap flights from Adelaide to London Heathrow Airport from £472

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 23/7. Fares are subject to change and may not be available on all flights or dates of travel.
ADL — LHR
16 Jul — 23 Jul1
1 adult

Cheapflights Tip: The best prices from Adelaide to London Heathrow are usually found in October or May, booked 63 days in advance, depart on a Thursday or Saturday and return on a Tuesday

Cheap 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 11 July 2025.

Round-trip from

£876

One-way from

£472

Popular in

December

Cheapest in

October

Average price

£1,068
Qatar Airways
  • Qatar Airways
  • 1/10-30/10
  • 2 total stops
  • 63h 50m total
  • Adelaide to London
Search Deals
Qatar Airways
  • Qatar Airways
  • 23/7
  • 1 total stop
  • 25h 00m total
  • Adelaide to London
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (£87 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£26 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2025
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Find flight deals from Adelaide to Heathrow

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 11 July 2025.

Wed 1/1021:40ADL - LHR
1 stop24h 10mMultiple Airlines
Thu 30/1014:55LHR - ADL
1 stop39h 40mMultiple Airlines
Deal found 10/7£876
Thu 20/1112:50ADL - LHR
2 stops35h 45mQatar Airways
Sun 30/1108:05LHR - ADL
1 stop22h 30mQatar Airways
Deal found 10/7£905
Tue 28/1014:50ADL - LHR
2 stops33h 45mVirgin Australia
Sun 23/1108:35LHR - ADL
1 stop22h 00mVirgin Australia
Deal found 9/7£906
Wed 15/1008:00ADL - LHR
2 stops32h 05mQantas Airways
Sun 15/320:10LHR - ADL
2 stops28h 35mQantas Airways
Deal found 8/7£955
Sun 2/1111:00ADL - LHR
1 stop38h 55mMalaysia Airlines
Fri 28/1121:25LHR - ADL
1 stop24h 15mMalaysia Airlines
Deal found 9/7£965
Wed 29/1006:05ADL - LHR
2 stops34h 45mCathay Pacific
Fri 28/1120:15LHR - ADL
1 stop27h 45mCathay Pacific
Deal found 9/7£968

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 11 July 2025.
Use the filters below to find and compare flights from Adelaide to London Heathrow Airport that are best for you.

Fly from

Adelaide

Fly to

Heathrow

Route

Depart

Return

Price

AdelaideLondon

ADL - LHR

ADLLHR

Adelaide

Wed 1/10

21:40-13:20

1 stop24h 10m

London Heathrow

Thu 30/10

14:55-17:05

1 stop39h 40m

£876

AdelaideLondon

ADL - LHR

ADLLHR

Adelaide

Thu 20/11

12:50-14:05

2 stops35h 45m

London Heathrow

Sun 30/11

08:05-17:05

1 stop22h 30m

£905

AdelaideLondon

ADL - LHR

ADLLHR

Adelaide

Tue 28/10

14:50-14:05

2 stops33h 45m

London Heathrow

Mon 24/11

08:35-17:05

1 stop22h 00m

£906

AdelaideLondon

ADL - LHR

ADLLHR

Adelaide

Wed 15/10

08:00-06:35

2 stops32h 05m

London Heathrow

Sun 15/3

20:10-11:15

2 stops28h 35m

£955

AdelaideLondon

ADL - LHR

ADLLHR

Adelaide

Sun 2/11

11:00-15:25

1 stop38h 55m

London Heathrow

Fri 28/11

21:25-08:10

1 stop24h 15m

£965

AdelaideLondon

ADL - LHR

ADLLHR

Adelaide

Wed 29/10

06:05-06:20

2 stops34h 45m

London Heathrow

Mon 24/11

17:50-10:30

1 stop30h 10m

£968

AdelaideLondon

ADL - LHR

ADLLHR

Adelaide

Wed 23/7

21:40-14:10

1 stop25h 00m

£472

AdelaideLondon

ADL - LHR

ADLLHR

Adelaide

Sun 21/9

19:00-16:35

2 stops54h 05m

£476

AdelaideLondon

ADL - LHR

ADLLHR

Adelaide

Mon 28/7

21:40-14:10

1 stop25h 00m

£503

Flights are sorted by cheapest return flights first.

Deals found on 11/7

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?

Use this chart to determine the optimal time to book a return flight from Adelaide to Heathrow. Price data was last updated on 27 June 2025.

To ensure you get the cheapest price possible for a flight from Adelaide to London Heathrow Airport, you should look to book at least 63 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, January is the cheapest month in which you can book a flight from Adelaide to London Heathrow Airport (average of £112). Flying from Adelaide to London Heathrow Airport in August is currently the most expensive (average of £164). 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.

What is the cheapest time of day to fly from ADL to LHR?

Find hourly flight availability from Adelaide to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 11 July 2025.

It’s optimal to fly from Adelaide to London Heathrow Airport in the afternoon. By choosing this option you can save up to 19% on the cost of your flight, compared to a flight at midday.

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 11 July 2025.
See what other customers who have flown with Cathay Pacific, Qantas Airways, andVirgin Australia 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.
Cathay Pacific
7.6
Good
929 reviews
Check prices

Food

7.3

Overall

7.6

Entertainment

7.8

Crew

8.0

Comfort

7.6

Boarding

7.9

Reviews

1 / 20
10.0
Excellent

Douglas,Jun 2025

MNL - HKG

Flight attendant was very helpful in finding something simple to eat as opposed to a full meal. I appreciated her efforts to make it a comfortable flight.
Cathay Pacific
7.6
Good
929 reviews
Cathay Pacific
7.6
Good
929 reviews
Check prices

Food

7.3

Overall

7.6

Entertainment

7.8

Crew

8.0

Comfort

7.6

Boarding

7.9

Reviews

1 / 20
10.0
Excellent

Douglas,Jun 2025

MNL - HKG

Flight attendant was very helpful in finding something simple to eat as opposed to a full meal. I appreciated her efforts to make it a comfortable flight.
Qantas Airways
7.5
Good
876 reviews
Cathay Pacific
7.6
Good
929 reviews
Check prices

Food

7.3

Overall

7.6

Entertainment

7.8

Crew

8.0

Comfort

7.6

Boarding

7.9

Reviews

1 / 20
10.0
Excellent

Douglas,Jun 2025

MNL - HKG

Flight attendant was very helpful in finding something simple to eat as opposed to a full meal. I appreciated her efforts to make it a comfortable flight.
Virgin Australia
7.5
Good
408 reviews
Cathay Pacific
7.6
Good
929 reviews
Check prices

Food

7.3

Overall

7.6

Entertainment

7.8

Crew

8.0

Comfort

7.6

Boarding

7.9

Reviews

1 / 20
10.0
Excellent

Douglas,Jun 2025

MNL - HKG

Flight attendant was very helpful in finding something simple to eat as opposed to a full meal. I appreciated her efforts to make it a comfortable flight.
Qatar Airways
7.4
Good
3,596 reviews
Cathay Pacific
7.6
Good
929 reviews
Check prices

Food

7.3

Overall

7.6

Entertainment

7.8

Crew

8.0

Comfort

7.6

Boarding

7.9

Reviews

1 / 20
10.0
Excellent

Douglas,Jun 2025

MNL - HKG

Flight attendant was very helpful in finding something simple to eat as opposed to a full meal. I appreciated her efforts to make it a comfortable flight.
Malaysia Airlines
7.4
Good
266 reviews
Cathay Pacific
7.6
Good
929 reviews
Check prices

Food

7.3

Overall

7.6

Entertainment

7.8

Crew

8.0

Comfort

7.6

Boarding

7.9

Reviews

1 / 20
10.0
Excellent

Douglas,Jun 2025

MNL - HKG

Flight attendant was very helpful in finding something simple to eat as opposed to a full meal. I appreciated her efforts to make it a comfortable flight.

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.

  • What are the cheapest airlines flying from Adelaide to London Heathrow Airport round-trip?

    Qatar Airways, at £905, was found to be the cheapest airline from Adelaide to London Heathrow Airport.Alternate airlines flying return to your destination include Virgin Australia and Qantas Airways. Qatar Airways is 9% 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, January is the cheapest month in which you can book a flight from Adelaide to London Heathrow Airport (average of £112). Flying from Adelaide to London Heathrow Airport in August is currently the most expensive (average of £164). 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
Hounslow
Croydon
Milton Keynes
Deal
Northampton
Gatwick
Slough
Luton
Wembley
Crawley
Eastbourne
Ilford
Hayes
Ipswich
Folkestone
Southend-on-Sea
Watford
Winchester
Swindon
Maidstone

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 11 July 2025.
AirlineCheapestAverageFlexibilityOn-time
Qatar AirwaysCheapest£788Average£857FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights

Fly with Cheapflights

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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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