Find flights
When to book
Airlines
FAQs

Cheap flights from London Heathrow Airport to Adelaide from $714

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 16/3. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — ADL
11 Mar — 18 Mar1
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 9 February 2026.

Thu 19/316:50
LHR
-
ADL
2 stops37h 05m
Cathay Pacific
Sun 26/412:00
ADL
-
LHR
2 stops35h 45m
Cathay Pacific
Deal found 7/2$1,555
Wed 18/317:50
LHR
-
ADL
1 stop30h 10m
Cathay Pacific
Wed 29/412:00
ADL
-
LHR
2 stops35h 45m
Cathay Pacific
Deal found 7/2$1,556
Thu 7/517:00
LHR
-
ADL
2 stops33h 45m
Cathay Pacific
Fri 29/519:45
ADL
-
LHR
2 stops28h 00m
Cathay Pacific
Deal found 7/2$1,560
Mon 18/520:15
LHR
-
ADL
2 stops32h 50m
Cathay Pacific
Wed 27/510:10
ADL
-
LHR
2 stops28h 40m
Cathay Pacific
Deal found 7/2$1,565
Mon 9/321:00
LHR
-
ADL
2 stops35h 30m
Multiple Airlines
Sun 29/307:15
ADL
-
LHR
2 stops44h 55m
Multiple Airlines
Deal found 9/2$1,566
Fri 4/918:20
LHR
-
ADL
2 stops30h 35m
Cathay Pacific
Sun 4/1014:20
ADL
-
LHR
2 stops34h 25m
Cathay Pacific
Deal found 7/2$1,570
Mon 13/418:20
LHR
-
ADL
2 stops30h 35m
Cathay Pacific
Sat 25/412:40
ADL
-
LHR
2 stops59h 05m
Cathay Pacific
Deal found 7/2$1,572
Mon 30/1122:05
LHR
-
ADL
1 stop25h 55m
Cathay Pacific
Tue 12/112:00
ADL
-
LHR
2 stops42h 40m
Cathay Pacific
Deal found 7/2$1,580
Tue 10/311:00
LHR
-
ADL
2 stops33h 35m
Cathay Pacific
Tue 28/419:45
ADL
-
LHR
2 stops28h 00m
Cathay Pacific
Deal found 7/2$1,582
Wed 11/321:00
LHR
-
ADL
2 stops30h 00m
Multiple Airlines
Wed 18/316:20
ADL
-
LHR
2 stops35h 40m
Multiple Airlines
Deal found 9/2$1,585
Mon 30/1117:50
LHR
-
ADL
1 stop30h 10m
Cathay Pacific
Mon 11/119:00
ADL
-
LHR
2 stops59h 40m
Cathay Pacific
Deal found 7/2$1,590
Fri 23/1021:20
LHR
-
ADL
2 stops30h 45m
Multiple Airlines
Fri 6/1116:30
ADL
-
LHR
2 stops35h 30m
Multiple Airlines
Deal found 7/2$1,592

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 9 February 2026.

Round-trip from

$1,555

One-way from

$714

Popular in

July

Cheapest in

June

Average price

$1,847
Cathay Pacific
  • Cathay Pacific
  • 19/3-26/4
  • 4 total stops
  • 72h 50m total
  • London to Adelaide
Search Deals
16/3
  • 16/3
  • 2 total stops
  • 38h 45m total
  • London to Adelaide
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($338 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($90 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 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 9 February 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Adelaide that are best for you.

Fly from

Heathrow

Fly to

Adelaide

Route

Depart

Return

Price

LondonAdelaide

LHR - ADL

LHRADL

London Heathrow

Wed 18/3

16:50-10:30

1 stop31h 10m

Adelaide

Tue 28/4

10:10-15:15

2 stops37h 35m

$1,556

LondonAdelaide

LHR - ADL

LHRADL

London Heathrow

Tue 17/3

20:15-15:45

2 stops33h 00m

Adelaide

Thu 23/4

19:45-15:15

2 stops28h 00m

$1,619

LondonAdelaide

LHR - ADL

LHRADL

London Heathrow

Thu 28/5

12:20-09:25

2 stops36h 35m

Adelaide

Mon 1/6

19:45-15:15

2 stops28h 00m

$1,638

LondonAdelaide

LHR - ADL

LHRADL

London Heathrow

Fri 12/6

21:20-19:40

2 stops37h 50m

Adelaide

Fri 10/7

09:30-18:40

1 stop41h 40m

$1,682

LondonAdelaide

LHR - ADL

LHRADL

London Heathrow

Sat 28/2

13:45-09:30

1 stop33h 15m

Adelaide

Sat 14/3

14:15-09:40

2 stops53h 55m

$1,857

LondonAdelaide

LHR - ADL

LHRADL

London Heathrow

Wed 4/3

11:35-09:30

2 stops59h 25m

Adelaide

Wed 25/3

14:15-07:30

2 stops51h 45m

$1,862

LondonAdelaide

LHR - ADL

LHRADL

London Heathrow

Thu 5/3

08:30-17:05

1 stop22h 05m

Adelaide

Fri 20/3

22:00-13:20

1 stop25h 50m

$1,957

LondonAdelaide

LHR - ADL

LHRADL

London Heathrow

Thu 26/2

08:30-17:05

1 stop22h 05m

Adelaide

Sun 15/3

22:00-12:15

1 stop24h 45m

$1,967

LondonAdelaide

LHR - ADL

LHRADL

London Heathrow

Sat 9/5

22:35-07:00

2 stops47h 55m

Adelaide

Wed 17/6

09:45-15:10

2 stops37h 55m

$2,003

LondonAdelaide

LHR - ADL

LHRADL

London Heathrow

Sat 9/5

22:35-07:00

2 stops47h 55m

Adelaide

Thu 18/6

09:45-09:35

2 stops32h 20m

$2,003

Flights are sorted by cheapest return flights first.

Deals found on 8/2

Showing 1-10 of 17 results
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?

Use this chart to determine the optimal time to book a return flight from Heathrow to Adelaide. Price data was last updated on 6 February 2026.

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 37 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, June is the cheapest month in which you can book a flight from London Heathrow Airport to Adelaide (average of $1,436). Flying from London Heathrow Airport to Adelaide in December is currently the most expensive (average of $1,884). 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.

Reviews of airlines servicing Adelaide

Get insights into the airlines that provide service to Adelaide. 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 Adelaide. Reviews last updated 9 February 2026.
See what other customers who have flown with Singapore Airlines, Qatar Airways, andMalaysia Airlines from London Heathrow Airport to Adelaide have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.2
Very Good
1,452 reviews
Check prices

Crew

8.6

Boarding

8.3

Food

7.8

Entertainment

8.0

Comfort

8.0

Overall

8.2

Reviews

1 / 20
10.0
Excellent

Wee Keng,Dec 2025

HKG - SIN

Quick 3 hour flight with excellent service from the crew despite it being Christmas Day holiday. Ground crew passed out Xmas cookies as well. Great experience.
Singapore Airlines
8.2
Very Good
1,452 reviews
Singapore Airlines
8.2
Very Good
1,452 reviews
Check prices

Crew

8.6

Boarding

8.3

Food

7.8

Entertainment

8.0

Comfort

8.0

Overall

8.2

Reviews

1 / 20
10.0
Excellent

Wee Keng,Dec 2025

HKG - SIN

Quick 3 hour flight with excellent service from the crew despite it being Christmas Day holiday. Ground crew passed out Xmas cookies as well. Great experience.
Qatar Airways
7.4
Good
3,730 reviews
Singapore Airlines
8.2
Very Good
1,452 reviews
Check prices

Crew

8.6

Boarding

8.3

Food

7.8

Entertainment

8.0

Comfort

8.0

Overall

8.2

Reviews

1 / 20
10.0
Excellent

Wee Keng,Dec 2025

HKG - SIN

Quick 3 hour flight with excellent service from the crew despite it being Christmas Day holiday. Ground crew passed out Xmas cookies as well. Great experience.
Malaysia Airlines
7.3
Good
293 reviews
Singapore Airlines
8.2
Very Good
1,452 reviews
Check prices

Crew

8.6

Boarding

8.3

Food

7.8

Entertainment

8.0

Comfort

8.0

Overall

8.2

Reviews

1 / 20
10.0
Excellent

Wee Keng,Dec 2025

HKG - SIN

Quick 3 hour flight with excellent service from the crew despite it being Christmas Day holiday. Ground crew passed out Xmas cookies as well. Great experience.
British Airways
6.7
Okay
7,724 reviews
Singapore Airlines
8.2
Very Good
1,452 reviews
Check prices

Crew

8.6

Boarding

8.3

Food

7.8

Entertainment

8.0

Comfort

8.0

Overall

8.2

Reviews

1 / 20
10.0
Excellent

Wee Keng,Dec 2025

HKG - SIN

Quick 3 hour flight with excellent service from the crew despite it being Christmas Day holiday. Ground crew passed out Xmas cookies as well. Great experience.

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. 4 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?

    Cathay Pacific can get you from London Heathrow Airport to Adelaide in just under 31h 10m. Your travel time can differ by up to . There are 16272 km between London Heathrow Airport and Adelaide.

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

    According to our current data, Malaysia Airlines ($1,588), British Airways ($1,734), and Qatar Airways ($1,745) offers the cheapest pricing from London Heathrow Airport to Adelaide. These flights start at 24% lower than the current average price 3 months from now.

  • 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 Singapore Airlines ($825), Qatar Airways ($1,104), and Qantas Airways ($1,566).

  • 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, June is the cheapest month in which you can book a flight from London Heathrow Airport to Adelaide (average of $1,436). Flying from London Heathrow Airport to Adelaide in December is currently the most expensive (average of $1,884). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 4 airlines flying from Heathrow to Adelaide

Discover the top 4 airlines that operate flights from Heathrow to Adelaide. 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 647,157 searches. Data last updated 9 February 2026.
AirlineCheapestAverageFlexibilityOn-time
Malaysia AirlinesCheapest$1,588Average$1,672FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
British AirwaysCheapest$1,734Average$1,886FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Qatar AirwaysCheapest$1,745Average$1,880FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
Singapore AirlinesCheapest$1,781Average$2,350FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines 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 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.