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Cheap flights from the United Kingdom to Australia from £401

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 11/5. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SYD
3 May — 10 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from United Kingdom to Australia

Enter your travel dates to find the best prices.

Cheapest flights from United Kingdom to Australia
Explore the most affordable flight options available from United Kingdom to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 April 2026.

Sat 31/1017:00
LGW
-
SYD
1 stop30h 00m
China Eastern
Wed 4/1121:30
SYD
-
LGW
1 stop44h 00m
China Eastern
Deal found 2/4£742
Sat 2/521:45
LHR
-
SYD
1 stop23h 25m
Etihad Airways
Sat 9/520:50
SYD
-
LHR
1 stop27h 15m
Etihad Airways
Deal found 2/4£742
Mon 18/511:40
LGW
-
SYD
1 stop22h 45m
China Southern
Mon 25/510:05
SYD
-
LGW
2 stops41h 25m
China Southern
Deal found 3/4£745
Sun 31/509:30
LHR
-
SYD
1 stop22h 20m
Etihad Airways
Thu 4/621:30
SYD
-
LHR
1 stop30h 15m
Etihad Airways
Deal found 30/3£745
Sat 26/1210:30
LGW
-
SYD
1 stop40h 05m
Multiple Airlines
Sat 16/110:45
SYD
-
LGW
2 stops30h 40m
Multiple Airlines
Deal found 30/3£745
Wed 13/514:45
LHR
-
SYD
1 stop30h 25m
Etihad Airways
Wed 27/515:40
SYD
-
LHR
1 stop24h 20m
Etihad Airways
Deal found 30/3£745
Sun 1/1122:00
LHR
-
SYD
1 stop35h 20m
China Southern
Sun 8/1111:25
SYD
-
LHR
1 stop42h 10m
China Southern
Deal found 1/4£746
Sat 31/1017:00
LGW
-
SYD
1 stop30h 00m
China Eastern
Tue 10/1121:30
SYD
-
LGW
1 stop27h 30m
China Eastern
Deal found 2/4£747
Sun 17/509:30
LHR
-
SYD
1 stop22h 20m
Etihad Airways
Sat 23/520:50
SYD
-
LHR
1 stop24h 55m
Etihad Airways
Deal found 29/3£747
Wed 21/1011:35
LGW
-
SYD
3 stops35h 25m
China Eastern
Wed 18/1121:30
SYD
-
LGW
1 stop44h 00m
China Eastern
Deal found 31/3£748
Mon 9/1121:30
LHR
-
SYD
2 stops48h 55m
China Southern
Sun 22/1122:10
SYD
-
LHR
2 stops31h 25m
China Southern
Deal found 30/3£748
Tue 8/911:35
LGW
-
SYD
2 stops35h 25m
Multiple Airlines
Tue 15/920:50
SYD
-
LGW
2 stops43h 40m
Multiple Airlines
Deal found 29/3£748

Find flight deals from United Kingdom to Australia

Keep the following information in mind while searching for United Kingdom to Australia flight deals. Data was last updated 3 April 2026.

Round-trip from

£742

One-way from

£401

Popular in

December

Cheapest in

May

Average price

£983

Good round-trip deal

£1,129 or less

Good one-way deal

£732 or less
Etihad Airways
  • Etihad Airways
  • 2/5-9/5
  • 2 total stops
  • 50h 40m total
  • United Kingdom to Australia
Search Deals
Air China
  • Air China
  • 11/5
  • 1 total stop
  • 31h 15m total
  • United Kingdom to Australia
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£65 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 April 2026
Search Deals
Price to beat on a round-trip flight from United Kingdom to Australia.
Search Deals
Price to beat on a one-way flight from United Kingdom to Australia.
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from United Kingdom 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 858,174 searches. Data last updated 3 April 2026.
Use the filters below to find and compare flights from the United Kingdom to Australia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonMelbourne

LGW - MEL

LGWMEL

London Gatwick

Fri 18/9

10:25-05:00

1 stop33h 35m

Melbourne

Sun 18/10

06:15-07:25

1 stop35h 10m

£825

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Tue 21/4

21:10-16:50

1 stop34h 40m

Sydney Kingsford Smith

Fri 29/5

15:40-07:00

1 stop24h 20m

£826

LondonSydney

LGW - SYD

LGWSYD

London Gatwick

Thu 4/6

11:35-08:00

3 stops35h 25m

Sydney Kingsford Smith

Mon 15/6

11:00-15:00

1 stop37h 00m

£876

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Sat 20/6

09:30-06:10

1 stop35h 40m

Sydney Kingsford Smith

Fri 3/7

21:30-15:05

1 stop26h 35m

£878

LondonSydney

LGW - SYD

LGWSYD

London Gatwick

Mon 14/9

11:35-12:35

1 stop40h 00m

Sydney Kingsford Smith

Mon 12/10

12:00-06:40

1 stop28h 40m

£958

LondonBrisbane

LHR - BNE

LHRBNE

London Heathrow

Tue 21/4

09:15-19:55

2 stops25h 40m

Brisbane

Tue 19/5

13:20-07:00

2 stops26h 40m

£980

LondonBrisbane

LHR - BNE

LHRBNE

London Heathrow

Thu 16/4

09:15-21:05

2 stops26h 50m

Brisbane

Sun 26/4

12:15-07:25

2 stops28h 10m

£983

LondonBrisbane

LHR - BNE

LHRBNE

London Heathrow

Fri 29/5

21:45-19:55

2 stops37h 10m

Brisbane

Sat 13/6

17:35-12:45

2 stops28h 10m

£983

LondonPerth

LGW - PER

LGWPER

London Gatwick

Tue 4/8

10:25-19:50

1 stop26h 25m

Perth

Sat 22/8

04:45-07:25

1 stop33h 40m

£985

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Tue 21/4

21:20-08:00

3 stops49h 40m

Sydney Kingsford Smith

Mon 25/5

11:00-18:40

1 stop40h 40m

£986

Flights are sorted by cheapest return flights first.

Deals found on 1/4

Showing 1-10 of 60 resultsSorted by cheapest first
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6

Best time to book a flight from United Kingdom to Australia

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

What is the cheapest month to book a flight from United Kingdom to Australia?

Currently, June is the cheapest month in which you can book a flight from United Kingdom to Australia (average of £510). Flying from United Kingdom to Australia in July is currently the most expensive (average of £755). 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 GB to AU?

Find hourly flight availability from United Kingdom 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 3 April 2026.

When flying from United Kingdom to Australia, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How often are flights from the United Kingdom to Australia delayed?

About 22% of weekly flights between United Kingdom and Australia have experienced delays in the past year, with the average delay time being 127 minutes.

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

Over the past year, Qantas Airways have had the lowest number of delays on this route, with just 22% 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 3 April 2026.
See what other customers who have flown with Singapore Airlines,Emirates, andCathay Pacific from the United Kingdom to Australia 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
1,487 reviews
Check prices

Crew

8.6

Overall

8.2

Food

7.8

Comfort

8.0

Entertainment

8.0

Boarding

8.3

Reviews

1 / 20
10.0
Excellent

Juliet,Oct 2025

PUS - SIN

Very kind staff to arrange my luggage and really appreciate all help.
Singapore Airlines
8.2
Very Good
1,487 reviews
Singapore Airlines
8.2
Very Good
1,487 reviews
Check prices

Crew

8.6

Overall

8.2

Food

7.8

Comfort

8.0

Entertainment

8.0

Boarding

8.3

Reviews

1 / 20
10.0
Excellent

Juliet,Oct 2025

PUS - SIN

Very kind staff to arrange my luggage and really appreciate all help.
Emirates
8.1
Very Good
3,554 reviews
Singapore Airlines
8.2
Very Good
1,487 reviews
Check prices

Crew

8.6

Overall

8.2

Food

7.8

Comfort

8.0

Entertainment

8.0

Boarding

8.3

Reviews

1 / 20
10.0
Excellent

Juliet,Oct 2025

PUS - SIN

Very kind staff to arrange my luggage and really appreciate all help.
Cathay Pacific
7.6
Good
1,239 reviews
Singapore Airlines
8.2
Very Good
1,487 reviews
Check prices

Crew

8.6

Overall

8.2

Food

7.8

Comfort

8.0

Entertainment

8.0

Boarding

8.3

Reviews

1 / 20
10.0
Excellent

Juliet,Oct 2025

PUS - SIN

Very kind staff to arrange my luggage and really appreciate all help.
Qantas Airways
7.5
Good
1,016 reviews
Singapore Airlines
8.2
Very Good
1,487 reviews
Check prices

Crew

8.6

Overall

8.2

Food

7.8

Comfort

8.0

Entertainment

8.0

Boarding

8.3

Reviews

1 / 20
10.0
Excellent

Juliet,Oct 2025

PUS - SIN

Very kind staff to arrange my luggage and really appreciate all help.
Qatar Airways
7.4
Good
3,730 reviews
Singapore Airlines
8.2
Very Good
1,487 reviews
Check prices

Crew

8.6

Overall

8.2

Food

7.8

Comfort

8.0

Entertainment

8.0

Boarding

8.3

Reviews

1 / 20
10.0
Excellent

Juliet,Oct 2025

PUS - SIN

Very kind staff to arrange my luggage and really appreciate all help.

Related info for your journey

Find useful and relevant information for your journey from United Kingdom 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 United Kingdom to Australia?

    AirAsia X, Etihad Airways, and China Eastern can get you from United Kingdom to Australia in just under 33h 35m. Your travel time can differ by up to 1h 50m. The distance from United Kingdom to Australia is about 10493 mi. Both multi-stop and direct flights can be found to your destination and back.

  • What are the cheapest airlines to fly from United Kingdom to Australia one-way?

    £286 is the cheapest one-way deal found within the past few days, from AirAsia X. You may also be able to find cheap deals on SWISS and Beijing Capital Airlines, with prices starting from £305 and £316, respectively.

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

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

  • How can I find direct flights from United Kingdom to Australia?

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

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

    Yes. Cheapflights offers flight deals from United Kingdom 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 United Kingdom to Australia?

    Currently, June is the cheapest month in which you can book a flight from United Kingdom to Australia (average of £510). Flying from United Kingdom to Australia in July is currently the most expensive (average of £755). 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.

Alternative routes for United Kingdom to Australia

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from United Kingdom to Australia

Discover the top 10 airlines that operate flights from United Kingdom 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 858,174 searches. Data last updated 3 April 2026.
AirlineCheapestAverageFlexibilityOn-time
AirAsiaCheapest£135Average£179FlexibilityNo cancel feeOn-time66%
Search AirAsia flights
Hainan AirlinesCheapest£207Average£725FlexibilityNo cancel feeOn-time61%
Search Hainan Airlines flights
Air ChinaCheapest£393Average£919FlexibilityNo cancel feeOn-time67%
Search Air China flights
Shenzhen AirlinesCheapest£476Average£942FlexibilityNo cancel feeOn-time63%
Search Shenzhen Airlines flights
Oman AirCheapest£503Average£1,364FlexibilityNo cancel feeOn-time76%
Search Oman Air flights
American AirlinesCheapest£539Average£1,104FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
FinnairCheapest£553Average£1,499FlexibilityNo cancel feeOn-time76%
Search Finnair flights
IndiGoCheapest£626Average£969FlexibilityNo cancel feeOn-time80%
Search IndiGo flights
Royal Brunei AirlinesCheapest£675Average£823FlexibilityNo cancel feeOn-time84%
Search Royal Brunei Airlines flights
Juneyao AirlinesCheapest£677Average£1,025FlexibilityNo cancel feeOn-time66%
Search Juneyao 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 United Kingdom to Australia?

When you search for this flight from United Kingdom to Australia, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

Millions of users choose and trust Cheapflights to book the best flight deals from United Kingdom to Australia 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 United Kingdom to Australia with no change fees?

Need flexible booking options for your flight to Australia from United Kingdom? 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 United Kingdom to Australia become cheaper?

Not ready to book yet? You can track prices for flights from United Kingdom to Australia on Cheapflights with our Price Alert feature and get notified when better prices are available.

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