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Cheap flights from Australia to London Heathrow Airport from £299

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 20/1. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — LHR
3 Dec — 10 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Australia to Heathrow

Keep the following information in mind while searching for Australia to Heathrow flight deals. Data was last updated 3 November 2025.

Round-trip from

£700

One-way from

£299

Popular in

December

Cheapest in

February

Average price

£852

Good one-way deal

£697 or less
Air China
  • Air China
  • 24/3-9/4
  • 2 total stops
  • 63h 45m total
  • Australia to London
Search Deals
China Southern
  • China Southern
  • 20/1
  • 1 total stop
  • 41h 35m total
  • Australia to London
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£104 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£25 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
Search Deals
Price to beat on a one-way flight from Australia to London Heathrow.
Search Deals

Find flight deals from Australia to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from Australia to Heathrow
Explore the most affordable flight options available from Australia to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 November 2025.

Mon 10/1122:40MEL - LHR
2 stops28h 30mTurkish Airlines
Mon 17/1117:45LHR - MEL
2 stops40h 10mTurkish Airlines
Deal found 2/11£690
Mon 10/1122:40MEL - LHR
2 stops28h 30mTurkish Airlines
Wed 12/1122:35LHR - MEL
2 stops35h 20mTurkish Airlines
Deal found 2/11£690
Sun 9/1100:30MEL - LHR
2 stops32h 55mTurkish Airlines
Wed 19/1117:45LHR - MEL
2 stops31h 05mTurkish Airlines
Deal found 2/11£696
Wed 5/1122:40MEL - LHR
2 stops27h 15mMultiple Airlines
Mon 10/1117:45LHR - MEL
2 stops26h 40mMultiple Airlines
Deal found 2/11£698
Mon 10/1122:40MEL - LHR
2 stops29h 15mMultiple Airlines
Wed 12/1117:45LHR - MEL
3 stops27h 45mMultiple Airlines
Deal found 2/11£699
Mon 10/1122:40MEL - LHR
2 stops29h 15mTurkish Airlines
Mon 24/1118:00LHR - MEL
2 stops39h 55mTurkish Airlines
Deal found 2/11£700
Tue 25/1109:00MEL - LHR
1 stop44h 35mChina Southern
Mon 1/1222:00LHR - MEL
1 stop24h 45mChina Southern
Deal found 1/11£701
Tue 18/1121:15SYD - LHR
2 stops28h 40mMultiple Airlines
Tue 2/1217:40LHR - SYD
1 stop34h 50mMultiple Airlines
Deal found 2/11£702
Wed 12/1121:15SYD - LHR
2 stops27h 55mMultiple Airlines
Tue 2/1217:40LHR - SYD
1 stop34h 50mMultiple Airlines
Deal found 2/11£702
Mon 10/1121:30SYD - LHR
1 stop31h 40mMultiple Airlines
Mon 17/1122:00LHR - SYD
1 stop35h 20mMultiple Airlines
Deal found 2/11£703
Wed 5/1121:15SYD - LHR
2 stops28h 40mMultiple Airlines
Fri 28/1117:45LHR - SYD
2 stops25h 50mMultiple Airlines
Deal found 2/11£704
Wed 5/1122:40MEL - LHR
2 stops27h 25mMultiple Airlines
Tue 25/1117:45LHR - MEL
2 stops25h 30mMultiple Airlines
Deal found 1/11£704

Cheapflights Fare Finder

 
Customise your flight search to find flights from Australia 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 3 November 2025.
Use the filters below to find and compare flights from Australia to London Heathrow Airport that are best for you.

Fly from

Australia

Fly to

Heathrow

Route

Depart

Return

Price

MelbourneLondon

MEL - LHR

MELLHR

Melbourne

Wed 4/2

22:40-14:55

2 stops27h 15m

London Heathrow

Wed 18/2

11:30-20:55

2 stops46h 25m

£710

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Mon 2/3

21:15-16:10

2 stops29h 55m

London Heathrow

Wed 8/4

06:30-19:15

2 stops27h 45m

£712

MelbourneLondon

MEL - LHR

MELLHR

Melbourne

Sun 1/2

16:55-09:55

2 stops28h 00m

London Heathrow

Wed 18/2

17:45-06:15

2 stops25h 30m

£718

PerthLondon

PER - LHR

PERLHR

Perth

Sun 16/11

00:25-20:10

1 stop27h 45m

London Heathrow

Sun 23/11

11:00-22:55

1 stop27h 55m

£719

MelbourneLondon

MEL - LHR

MELLHR

Melbourne

Mon 17/11

16:55-09:55

2 stops28h 00m

London Heathrow

Sun 30/11

17:45-07:55

3 stops27h 10m

£745

PerthLondon

PER - LHR

PERLHR

Perth

Sun 15/3

08:30-07:00

1 stop30h 30m

London Heathrow

Thu 19/3

17:50-06:55

1 stop29h 05m

£753

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Fri 27/2

21:15-14:10

2 stops27h 55m

London Heathrow

Thu 12/3

06:35-19:20

2 stops25h 45m

£761

MelbourneLondon

MEL - LHR

MELLHR

Melbourne

Mon 17/11

00:30-21:05

2 stops31h 35m

London Heathrow

Tue 25/11

16:35-06:15

2 stops26h 40m

£763

PerthLondon

PER - LHR

PERLHR

Perth

Sun 22/3

08:30-15:00

1 stop38h 30m

London Heathrow

Mon 13/4

20:10-07:45

1 stop28h 35m

£766

PerthLondon

PER - LHR

PERLHR

Perth

Mon 17/11

10:30-09:55

2 stops31h 25m

London Heathrow

Sun 23/11

17:45-23:55

2 stops22h 10m

£766

Flights are sorted by cheapest return flights first.

Deals found on 2/11

Showing 1-10 of 60 results
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Best time to book a flight from Australia to Heathrow

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

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

Currently, May is the cheapest month in which you can book a flight from Australia to London Heathrow Airport (average of £601). Flying from Australia to London Heathrow Airport in December is currently the most expensive (average of £794). 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 AU to LHR?

Find hourly flight availability from Australia 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 3 November 2025.

A simple way to save on the total cost of your ticket is to fly from Australia to London Heathrow Airport in the evening. If you’re flexible enough to do this you can expect to save up to 25% on your trip compared to booking a flight at midday.

What is the cheapest day to fly from Australia to London Heathrow Airport?

Use this chart to determine the cheapest time to fly return from Australia to Heathrow. Price data was last updated on 16 December 2024.

Travellers seeking maximum savings on their Australia to London Heathrow Airport flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Saturday at midday flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Australia to London Heathrow Airport

Explore weekly flight availability from Australia to Heathrow. 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 3 November 2025.

The most flights from AU0 to LHR 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).

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 3 November 2025.
Read through reviews of airlines operating flights from Australia to London Heathrow Airport, such as Singapore Airlines, Cathay Pacific, andQantas Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.1
Very Good
1,391 reviews
Check prices

Boarding

8.3

Food

7.7

Overall

8.1

Comfort

8.0

Crew

8.6

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

BCN - SIN

Staff at Barcelona were fantastic, they helped me change a flight and nothing was any problem. Thank you Dina.
Singapore Airlines
8.1
Very Good
1,391 reviews
Singapore Airlines
8.1
Very Good
1,391 reviews
Check prices

Boarding

8.3

Food

7.7

Overall

8.1

Comfort

8.0

Crew

8.6

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

BCN - SIN

Staff at Barcelona were fantastic, they helped me change a flight and nothing was any problem. Thank you Dina.
Cathay Pacific
7.6
Good
1,050 reviews
Singapore Airlines
8.1
Very Good
1,391 reviews
Check prices

Boarding

8.3

Food

7.7

Overall

8.1

Comfort

8.0

Crew

8.6

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

BCN - SIN

Staff at Barcelona were fantastic, they helped me change a flight and nothing was any problem. Thank you Dina.
Qantas Airways
7.5
Good
927 reviews
Singapore Airlines
8.1
Very Good
1,391 reviews
Check prices

Boarding

8.3

Food

7.7

Overall

8.1

Comfort

8.0

Crew

8.6

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

BCN - SIN

Staff at Barcelona were fantastic, they helped me change a flight and nothing was any problem. Thank you Dina.
Qatar Airways
7.4
Good
3,660 reviews
Singapore Airlines
8.1
Very Good
1,391 reviews
Check prices

Boarding

8.3

Food

7.7

Overall

8.1

Comfort

8.0

Crew

8.6

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

BCN - SIN

Staff at Barcelona were fantastic, they helped me change a flight and nothing was any problem. Thank you Dina.
British Airways
6.7
Okay
7,494 reviews
Singapore Airlines
8.1
Very Good
1,391 reviews
Check prices

Boarding

8.3

Food

7.7

Overall

8.1

Comfort

8.0

Crew

8.6

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

BCN - SIN

Staff at Barcelona were fantastic, they helped me change a flight and nothing was any problem. Thank you Dina.

Related info for your journey

Find useful and relevant information for your journey from Australia to Heathrow. 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 Australia to London Heathrow Airport?

    There are many flights that can get you from Australia to London Heathrow Airport in 27h 15m. Fly via Turkish Airlines, Cathay Pacific, or Singapore Airlines to get the fastest option. Airlines will cover a distance of 10499 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    For one-way options, check prices for Hainan Airlines. According to our data, you can fly for as low as £312. Users have also found prices from £316 and £321 on Etihad Airways and China Southern, respectively.

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

    The most popular route from Australia to London Heathrow Airport is Sydney Kingsford Smith - London Heathrow. You may also consider Melbourne - London Heathrow or Perth - London Heathrow.

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

    Looking for the cheapest flight from Australia to London Heathrow Airport? While on average our users pay £940, our data indicates the cheapest price to be £674. The most popular route (Sydney Kingsford Smith - London Heathrow), is priced around £588.

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

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

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

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

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

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

    Currently, May is the cheapest month in which you can book a flight from Australia to London Heathrow Airport (average of £601). Flying from Australia to London Heathrow Airport in December is currently the most expensive (average of £794). 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
Milton Keynes
Croydon
Slough
Gatwick
Hounslow
Northampton
Luton
Ilford
Wembley
Deal
Hayes
Colchester
Watford
Winchester
Chichester
Swindon
Crawley
Romford
Brentford
Ipswich

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.

Alternative routes for Australia to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
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Cairns to London City flights
Hobart to Gatwick flights

Top 10 airlines flying from Australia to Heathrow

Discover the top 10 airlines that operate flights from Australia 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 3 November 2025.
AirlineCheapestAverageFlexibilityOn-time
EVA AirCheapest£518Average£743FlexibilityNo cancel feeOn-time74%
Search EVA Air flights
Etihad AirwaysCheapest£595Average£914FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
China SouthernCheapest£597Average£1,132FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Cathay PacificCheapest£657Average£986FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
Malaysia AirlinesCheapest£660Average£933FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
China EasternCheapest£661Average£927FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Air ChinaCheapest£683Average£799FlexibilityNo cancel feeOn-time67%
Search Air China flights
Air IndiaCheapest£702Average£952FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
China AirlinesCheapest£718Average£869FlexibilityNo cancel feeOn-time70%
Search China Airlines flights
Qatar AirwaysCheapest£719Average£1,011FlexibilityNo cancel feeOn-time68%
Search Qatar Airways 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 Australia to Heathrow?

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 Heathrow from Australia today with Cheapflights!

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

Cheapflights helps you find that perfect flight to Heathrow from Australia by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from Australia to Heathrow flexibly with Cheapflights today.

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

Of course! You can now track prices for flights from Australia to Heathrow 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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