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Cheap flights from Adelaide to London Heathrow Airport from £484

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 18/5. Fares are subject to change and may not be available on all flights or dates of travel.
ADL — LHR
20 Apr — 27 Apr1
1 adult

Cheapflights Tip: The best prices from Adelaide to London Heathrow are usually found in October or February, booked 69 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 15 April 2025.

Round-trip from

£812

One-way from

£484

Popular in

December

Cheapest in

October

Average price

£1,029
15/5-29/5
  • 15/5-29/5
  • 3 total stops
  • 76h 00m total
  • Adelaide to London
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Malaysia Airlines
  • Malaysia Airlines
  • 18/5
  • 1 total stop
  • 39h 15m total
  • Adelaide to London
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Highest demand for flights based on searches. 8% potential increase in price (£70 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£23 potential savings vs. average return price).
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Average for round-trip flights in April 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 15 April 2025.

Sun 2/1111:00ADL - LHR
1 stop38h 55mMalaysia Airlines
Tue 25/1121:25LHR - ADL
1 stop24h 15mMalaysia Airlines
Deal found 14/4£799
Thu 15/509:50ADL - LHR
1 stop39h 15mMultiple Airlines
Thu 29/511:00LHR - ADL
2 stops36h 45mMultiple Airlines
Deal found 14/4£812
Thu 20/1118:35ADL - LHR
1 stop31h 15mSingapore Airlines
Sun 30/1110:55LHR - ADL
1 stop59h 40mSingapore Airlines
Deal found 14/4£821
Mon 5/521:40ADL - LHR
1 stop25h 00mQatar Airways
Mon 16/616:00LHR - ADL
2 stops30h 10mQatar Airways
Deal found 14/4£893
Thu 15/509:50ADL - LHR
2 stops37h 45mTurkish Airlines
Thu 29/506:30LHR - ADL
2 stops40h 00mTurkish Airlines
Deal found 14/4£922
Sat 2/811:40ADL - LHR
2 stops27h 15mBritish Airways
Sat 23/809:00LHR - ADL
1 stop22h 20mBritish Airways
Deal found 14/4£954
Thu 22/512:15ADL - LHR
2 stops38h 30mCathay Pacific
Thu 29/520:10LHR - ADL
2 stops34h 55mCathay Pacific
Deal found 14/4£957
Sat 9/811:50ADL - LHR
2 stops52h 10mAir India
Sat 23/820:35LHR - ADL
2 stops40h 05mAir India
Deal found 14/4£986
Tue 12/810:05ADL - LHR
2 stops29h 00mQantas Airways
Sun 24/820:50LHR - ADL
2 stops33h 10mQantas Airways
Deal found 14/4£1,027
Mon 27/1022:40ADL - LHR
1 stop43h 00mEmirates
Fri 28/1119:00LHR - ADL
1 stop39h 20mEmirates
Deal found 14/4£1,051

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 15 April 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

Thu 15/5

09:50-16:35

1 stop39h 15m

London Heathrow

Thu 29/5

11:00-08:15

2 stops36h 45m

£812

AdelaideLondon

ADL - LHR

ADLLHR

Adelaide

Thu 22/5

09:50-16:35

1 stop39h 15m

London Heathrow

Thu 29/5

21:35-07:00

1 stop24h 55m

£822

AdelaideLondon

ADL - LHR

ADLLHR

Adelaide

Mon 5/5

21:40-14:10

1 stop25h 00m

London Heathrow

Mon 16/6

10:50-15:50

1 stop20h 30m

£893

AdelaideLondon

ADL - LHR

ADLLHR

Adelaide

Sun 27/7

17:35-15:45

1 stop30h 40m

London Heathrow

Tue 19/8

20:35-16:20

1 stop35h 15m

£916

AdelaideLondon

ADL - LHR

ADLLHR

Adelaide

Thu 15/5

09:50-15:05

2 stops37h 45m

London Heathrow

Thu 29/5

06:30-07:00

2 stops40h 00m

£922

AdelaideLondon

ADL - LHR

ADLLHR

Adelaide

Sat 2/8

11:40-06:25

2 stops27h 15m

London Heathrow

Sat 23/8

09:00-15:50

1 stop22h 20m

£954

AdelaideLondon

ADL - LHR

ADLLHR

Adelaide

Thu 22/5

12:15-18:15

2 stops38h 30m

London Heathrow

Thu 29/5

20:10-15:35

2 stops34h 55m

£957

AdelaideLondon

ADL - LHR

ADLLHR

Adelaide

Sat 9/8

11:50-07:30

2 stops52h 10m

London Heathrow

Sat 23/8

20:35-21:10

2 stops40h 05m

£986

AdelaideLondon

ADL - LHR

ADLLHR

Adelaide

Tue 12/8

10:05-06:35

2 stops29h 00m

London Heathrow

Sun 24/8

20:50-14:30

2 stops33h 10m

£1,027

AdelaideLondon

ADL - LHR

ADLLHR

Adelaide

Sat 24/5

21:50-12:25

1 stop23h 05m

London Heathrow

Sat 14/6

14:25-20:05

1 stop21h 10m

£1,112

Flights are sorted by cheapest return flights first.

Deals found on 14/4

Showing 1-10 of 22 results
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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 11 April 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 69 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 15 April 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.

Rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

Temperature in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

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 15 April 2025.
Read through reviews of airlines operating flights from Adelaide to London, such as Singapore Airlines, Fiji Airways and Emirates. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.1
Very Good
1,288 reviews
Check prices

Boarding

8.2

Comfort

7.9

Crew

8.6

Food

7.7

Entertainment

8.0

Overall

8.1

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
Singapore Airlines
8.1
Very Good
1,288 reviews
Singapore Airlines
8.1
Very Good
1,288 reviews
Check prices

Boarding

8.2

Comfort

7.9

Crew

8.6

Food

7.7

Entertainment

8.0

Overall

8.1

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
Fiji Airways
8.0
Very Good
183 reviews
Singapore Airlines
8.1
Very Good
1,288 reviews
Check prices

Boarding

8.2

Comfort

7.9

Crew

8.6

Food

7.7

Entertainment

8.0

Overall

8.1

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
Emirates
8.0
Very Good
3,198 reviews
Singapore Airlines
8.1
Very Good
1,288 reviews
Check prices

Boarding

8.2

Comfort

7.9

Crew

8.6

Food

7.7

Entertainment

8.0

Overall

8.1

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
KLM
7.8
Good
1,323 reviews
Singapore Airlines
8.1
Very Good
1,288 reviews
Check prices

Boarding

8.2

Comfort

7.9

Crew

8.6

Food

7.7

Entertainment

8.0

Overall

8.1

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during 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. 0 airlines have flights to London Heathrow from Adelaide on a regular basis.

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

    Malaysia Airlines, at £822, was found to be the cheapest airline from Adelaide to London Heathrow Airport.Alternate airlines flying return to your destination include Qatar Airways and Singapore Airlines. Malaysia Airlines is 21% cheaper than the average price of flights available within the next 90 days to this destination.

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

    The cheapest airline one-way is Malaysia Airlines, with whom users have recently found tickets for as low as £484. However, be on the lookout for offers from Qatar Airways and Etihad Airways, as they are both options that can get you from Adelaide to London Heathrow Airport for a low price.

  • 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
Deal
Milton Keynes
Luton
Gatwick
Croydon
Slough
Eastbourne
Northampton
Wembley
Crawley
Hayes
Swindon
Southend-on-Sea
Maidstone
Ilford
Winchester
Ipswich
Southall
Folkestone

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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

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

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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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