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Cheap flights from London Heathrow Airport to Australia from $749

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 13/5. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SYD
17 May — 24 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to Australia

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to Australia
Explore the most affordable flight options available from Heathrow to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 April 2026.

Wed 21/1021:20
LHR
-
SYD
3 stops49h 40m
China Eastern
Wed 11/1121:30
SYD
-
LHR
1 stop31h 00m
China Eastern
Deal found 12/4$1,397
Wed 28/1021:00
LHR
-
SYD
1 stop29h 35m
China Eastern
Wed 11/1121:30
SYD
-
LHR
1 stop31h 00m
China Eastern
Deal found 16/4$1,422
Tue 22/921:45
LHR
-
MEL
1 stop35h 10m
Air India
Mon 28/919:35
MEL
-
LHR
1 stop33h 25m
Air India
Deal found 13/4$1,429
Sat 31/1021:00
LHR
-
MEL
1 stop30h 05m
China Eastern
Fri 13/1122:30
MEL
-
LHR
1 stop30h 00m
China Eastern
Deal found 12/4$1,433
Sat 31/1021:00
LHR
-
SYD
1 stop29h 35m
China Eastern
Thu 5/1121:30
SYD
-
LHR
1 stop31h 00m
China Eastern
Deal found 14/4$1,440
Mon 1/622:40
LHR
-
MEL
1 stop31h 15m
Multiple Airlines
Fri 10/712:00
MEL
-
LHR
2 stops27h 55m
Multiple Airlines
Deal found 14/4$1,443
Mon 2/1121:00
LHR
-
SYD
1 stop29h 35m
China Eastern
Mon 16/1121:30
SYD
-
LHR
1 stop31h 00m
China Eastern
Deal found 13/4$1,443
Sun 20/922:40
LHR
-
SYD
1 stop31h 10m
Air China
Tue 20/1020:40
SYD
-
LHR
1 stop33h 45m
Air China
Deal found 13/4$1,446
Tue 3/1121:00
LHR
-
SYD
1 stop26h 00m
China Eastern
Tue 17/1112:00
SYD
-
LHR
1 stop40h 30m
China Eastern
Deal found 17/4$1,447
Mon 26/1021:00
LHR
-
SYD
1 stop29h 35m
China Eastern
Wed 4/1121:30
SYD
-
LHR
1 stop31h 00m
China Eastern
Deal found 15/4$1,449
Tue 3/1121:30
LHR
-
BNE
2 stops37h 50m
China Southern
Tue 17/1110:15
BNE
-
LHR
1 stop42h 20m
China Southern
Deal found 13/4$1,451
Wed 3/620:25
LHR
-
MEL
1 stop33h 30m
Multiple Airlines
Sun 14/614:35
MEL
-
LHR
1 stop38h 10m
Multiple Airlines
Deal found 13/4$1,451

Find flight deals from Heathrow to Australia

Keep the following information in mind while searching for Heathrow to Australia flight deals. Data was last updated 17 April 2026.

Round-trip from

$1,429

One-way from

$749

Popular in

December

Cheapest in

May

Average price

$1,793

Good round-trip deal

$2,235 or less

Good one-way deal

$1,583 or less
Air India
  • Air India
  • 22/9-28/9
  • 2 total stops
  • 68h 35m total
  • London to Australia
Search Deals
Hainan Airlines
  • Hainan Airlines
  • 13/5
  • 1 total stop
  • 31h 05m total
  • London to Australia
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($218 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 April 2026
Search Deals
Price to beat on a round-trip flight from London Heathrow to Australia.
Search Deals
Price to beat on a one-way flight from London Heathrow to Australia.
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Heathrow to Australia 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 17 April 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Australia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonCoolangatta

LHR - OOL

LHROOL

London Heathrow

Tue 1/9

21:20-22:05

2 stops39h 45m

Coolangatta Gold Coast

Sat 7/11

19:50-17:30

2 stops55h 40m

$1,723

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Fri 4/9

21:10-10:45

1 stop28h 35m

Sydney Kingsford Smith

Mon 21/9

22:10-16:30

1 stop27h 20m

$1,725

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Thu 14/5

21:20-08:00

2 stops49h 40m

Sydney Kingsford Smith

Mon 1/6

20:30-18:40

1 stop31h 10m

$1,741

LondonBrisbane

LHR - BNE

LHRBNE

London Heathrow

Fri 26/6

09:30-21:05

2 stops26h 35m

Brisbane

Thu 30/7

13:20-07:00

2 stops26h 40m

$1,800

LondonBrisbane

LHR - BNE

LHRBNE

London Heathrow

Wed 13/5

21:45-19:55

2 stops37h 10m

Brisbane

Sun 24/5

11:40-07:00

2 stops28h 20m

$1,819

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Tue 28/4

21:10-16:50

1 stop34h 40m

Sydney Kingsford Smith

Wed 6/5

15:40-07:00

1 stop24h 20m

$1,831

LondonBrisbane

LHR - BNE

LHRBNE

London Heathrow

Wed 6/5

21:45-21:05

2 stops38h 20m

Brisbane

Sun 31/5

12:40-07:00

2 stops27h 20m

$1,835

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Fri 15/5

09:30-16:50

1 stop22h 20m

Sydney Kingsford Smith

Sun 17/5

15:40-12:45

1 stop30h 05m

$1,878

LondonBrisbane

LHR - BNE

LHRBNE

London Heathrow

Fri 5/6

21:10-10:35

1 stop28h 25m

Brisbane

Tue 25/8

22:50-16:30

1 stop26h 40m

$1,891

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Thu 4/6

18:55-08:15

1 stop28h 20m

Sydney Kingsford Smith

Mon 8/6

10:15-17:50

1 stop40h 35m

$1,943

Flights are sorted by cheapest return flights first.

Deals found on 12/4

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Heathrow to Australia

Have a flexible travel schedule? Discover the best time to fly to Australia 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 Australia

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

Currently, May is the cheapest month in which you can book a flight from London Heathrow Airport to Australia (average of $1,559). Flying from London Heathrow Airport to Australia in December is currently the most expensive (average of $2,536). 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 LHR to AU?

Find hourly flight availability from Heathrow to Australia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 17 April 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from London Heathrow Airport to Australia as you normally would.

Weekly flight availability from London Heathrow Airport to Australia

Explore weekly flight availability from Heathrow to Australia. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 17 April 2026.

The most flights from LHR to AU0 are scheduled on a Monday (3 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (3 on average).

How often are flights from London to Australia delayed?

About 23% of weekly flights between London and Australia have experienced delays in the past year, with the average delay time being 122 minutes.

What is the most punctual flight time for London to Australia flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Thursday tends to have the lowest number of delays on this route, whereas Tuesday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on London to Australia flights?

Over the past year, Qantas Airways have had the lowest number of delays on this route, with just 23% of flights being delayed.

Reviews of airlines servicing Australia

Get insights into the airlines that provide service to Australia. 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 Australia. Reviews last updated 17 April 2026.
Read reviews from past customers who have flown with Singapore Airlines,Qantas Airways, andQatar Airways from London Heathrow Airport to Australia. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.2
Very Good
1,497 reviews
Check prices

Food

7.8

Boarding

8.3

Entertainment

8.0

Comfort

8.0

Crew

8.6

Overall

8.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sept 2024

SIN - DPS

Your state of the art Boeing 787 was so hot I was sweating 90% of the flight. There is no reason or excuse for that.
Singapore Airlines
8.2
Very Good
1,497 reviews
Singapore Airlines
8.2
Very Good
1,497 reviews
Check prices

Food

7.8

Boarding

8.3

Entertainment

8.0

Comfort

8.0

Crew

8.6

Overall

8.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sept 2024

SIN - DPS

Your state of the art Boeing 787 was so hot I was sweating 90% of the flight. There is no reason or excuse for that.
Qantas Airways
7.5
Good
1,019 reviews
Singapore Airlines
8.2
Very Good
1,497 reviews
Check prices

Food

7.8

Boarding

8.3

Entertainment

8.0

Comfort

8.0

Crew

8.6

Overall

8.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sept 2024

SIN - DPS

Your state of the art Boeing 787 was so hot I was sweating 90% of the flight. There is no reason or excuse for that.
Qatar Airways
7.4
Good
3,730 reviews
Singapore Airlines
8.2
Very Good
1,497 reviews
Check prices

Food

7.8

Boarding

8.3

Entertainment

8.0

Comfort

8.0

Crew

8.6

Overall

8.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sept 2024

SIN - DPS

Your state of the art Boeing 787 was so hot I was sweating 90% of the flight. There is no reason or excuse for that.
China Southern
7.4
Good
149 reviews
Singapore Airlines
8.2
Very Good
1,497 reviews
Check prices

Food

7.8

Boarding

8.3

Entertainment

8.0

Comfort

8.0

Crew

8.6

Overall

8.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sept 2024

SIN - DPS

Your state of the art Boeing 787 was so hot I was sweating 90% of the flight. There is no reason or excuse for that.
Etihad Airways
7.3
Good
1,434 reviews
Singapore Airlines
8.2
Very Good
1,497 reviews
Check prices

Food

7.8

Boarding

8.3

Entertainment

8.0

Comfort

8.0

Crew

8.6

Overall

8.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sept 2024

SIN - DPS

Your state of the art Boeing 787 was so hot I was sweating 90% of the flight. There is no reason or excuse for that.

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Australia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Airlines like China Airlines, China Eastern, and Etihad Airways fly from London Heathrow Airport to Australia in about 28h 35m. The time it takes to get you to your destination can typically vary by up to 21h 05m. The distance from London Heathrow Airport to Australia is about 17008 km. This flight may include one or multiple stops.

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

    The cheapest airline one-way is Singapore Airlines, with whom users have recently found tickets for as low as $461. However, be on the lookout for offers from Air China and Hainan Airlines, as they are both options that can get you from London Heathrow Airport to Australia for a low price.

  • What are the most popular routes from London Heathrow Airport to Australia?

    While some choose either London Heathrow - Melbourne or London Heathrow - Perth, London Heathrow - Sydney Kingsford Smith is the most popular route from London Heathrow Airport to Australia.

  • What are the cheapest flights from London Heathrow Airport to Australia?

    The cheapest flight price from London Heathrow Airport to Australia is $1,486. On average you can expect to pay $2,534. The most popular route, (London Heathrow - Sydney Kingsford Smith), can usually be booked for $1,357.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Heathrow to Australia 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 Australia?

    Currently, May is the cheapest month in which you can book a flight from London Heathrow Airport to Australia (average of $1,559). Flying from London Heathrow Airport to Australia in December is currently the most expensive (average of $2,536). 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

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 10 airlines flying from Heathrow to Australia

Discover the top 10 airlines that operate flights from Heathrow to Australia. 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 17 April 2026.
AirlineCheapestAverageFlexibilityOn-time
China SouthernCheapest$841Average$1,449FlexibilityNo cancel feeOn-time69%
Search China Southern flights
British AirwaysCheapest$1,010Average$1,859FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Air ChinaCheapest$1,097Average$2,509FlexibilityNo cancel feeOn-time67%
Search Air China flights
China EasternCheapest$1,108Average$1,539FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Air IndiaCheapest$1,329Average$1,935FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
Etihad AirwaysCheapest$1,362Average$2,113FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Qatar AirwaysCheapest$1,363Average$2,212FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
Royal Brunei AirlinesCheapest$1,390Average$1,733FlexibilityNo cancel feeOn-time84%
Search Royal Brunei Airlines flights
Malaysia AirlinesCheapest$1,403Average$2,090FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
Turkish AirlinesCheapest$1,407Average$1,832FlexibilityNo cancel feeOn-time77%
Search Turkish 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 Australia?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Australia from Heathrow today with Cheapflights!

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Heathrow to Australia for you. Better yet — we are completely free to use.

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

Certainly. Search results for flights to Australia from Heathrow shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Of course! You can now track prices for flights from Heathrow to Australia and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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