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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 1/6. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SYD
13 May — 20 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 13 April 2026.

Fri 30/1010:30
LGW
-
SYD
1 stop40h 05m
China Eastern
Sun 15/1121:30
SYD
-
LGW
1 stop27h 30m
China Eastern
Deal found 8/4£719
Wed 11/1121:00
LHR
-
SYD
1 stop26h 00m
China Eastern
Wed 18/1121:30
SYD
-
LHR
1 stop31h 00m
China Eastern
Deal found 9/4£725
Wed 11/1117:00
LGW
-
SYD
1 stop30h 00m
China Eastern
Wed 18/1121:30
SYD
-
LGW
1 stop44h 00m
China Eastern
Deal found 9/4£726
Wed 17/618:00
LGW
-
SYD
1 stop33h 35m
Multiple Airlines
Mon 13/720:50
SYD
-
LGW
2 stops43h 35m
Multiple Airlines
Deal found 9/4£728
Mon 2/1117:00
LGW
-
SYD
1 stop30h 00m
China Eastern
Mon 16/1112:00
SYD
-
LGW
1 stop29h 30m
China Eastern
Deal found 9/4£730
Wed 15/421:10
LHR
-
SYD
1 stop34h 40m
Etihad Airways
Sun 10/515:40
SYD
-
LHR
1 stop30h 05m
Etihad Airways
Deal found 8/4£730
Fri 4/918:00
LGW
-
SYD
1 stop33h 35m
Multiple Airlines
Sun 13/920:50
SYD
-
LGW
2 stops43h 30m
Multiple Airlines
Deal found 8/4£731
Mon 24/810:25
LGW
-
SYD
3 stops35h 55m
Multiple Airlines
Wed 16/920:50
SYD
-
LGW
2 stops43h 15m
Multiple Airlines
Deal found 10/4£732
Fri 30/1017:00
LGW
-
SYD
1 stop33h 35m
China Eastern
Thu 12/1112:00
SYD
-
LGW
1 stop37h 00m
China Eastern
Deal found 8/4£733
Tue 19/520:45
LHR
-
SYD
1 stop35h 05m
Etihad Airways
Sat 30/520:50
SYD
-
LHR
1 stop30h 55m
Etihad Airways
Deal found 8/4£734
Tue 1/918:00
LGW
-
SYD
1 stop30h 00m
Multiple Airlines
Sun 13/920:50
SYD
-
LGW
2 stops43h 30m
Multiple Airlines
Deal found 10/4£735
Sat 7/1121:00
LHR
-
SYD
1 stop26h 00m
China Eastern
Wed 18/1121:30
SYD
-
LHR
1 stop31h 00m
China Eastern
Deal found 11/4£739

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 13 April 2026.

Round-trip from

£721

One-way from

£401

Popular in

December

Cheapest in

May

Average price

£956

Good round-trip deal

£1,115 or less

Good one-way deal

£679 or less
AirAsia X
  • AirAsia X
  • 7/9-8/10
  • 5 total stops
  • 79h 30m total
  • United Kingdom to Australia
Search Deals
Air China
  • Air China
  • 1/6
  • 1 total stop
  • 31h 15m total
  • United Kingdom to Australia
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£62 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 13 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

LondonBrisbane

LHR - BNE

LHRBNE

London Heathrow

Fri 15/5

22:10-21:10

1 stop38h 00m

Brisbane

Mon 18/5

23:00-16:15

2 stops50h 15m

£803

LondonMelbourne

LGW - MEL

LGWMEL

London Gatwick

Mon 27/4

18:00-10:00

2 stops55h 00m

Melbourne

Wed 6/5

11:00-15:00

1 stop37h 00m

£826

LondonMelbourne

LGW - MEL

LGWMEL

London Gatwick

Tue 6/10

10:25-00:15

1 stop27h 50m

Melbourne

Tue 13/10

06:15-07:25

1 stop35h 10m

£878

LondonMelbourne

LGW - MEL

LGWMEL

London Gatwick

Wed 17/6

18:00-09:00

1 stop30h 00m

Melbourne

Thu 23/7

21:30-15:00

1 stop26h 30m

£890

LondonBrisbane

LHR - BNE

LHRBNE

London Heathrow

Wed 24/6

21:00-08:25

2 stops50h 25m

Brisbane

Sun 5/7

23:00-18:05

2 stops52h 05m

£899

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Sat 13/6

21:20-12:35

1 stop30h 15m

Sydney Kingsford Smith

Sun 9/8

10:05-18:40

3 stops65h 35m

£914

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Thu 24/9

14:45-16:50

1 stop41h 05m

Sydney Kingsford Smith

Fri 13/11

21:30-14:30

1 stop28h 00m

£934
Fastest return journey

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Thu 18/6

09:30-16:50

1 stop22h 20m

Sydney Kingsford Smith

Fri 7/8

21:30-12:45

1 stop24h 15m

£944

LondonMelbourne

LGW - MEL

LGWMEL

London Gatwick

Mon 5/10

10:25-00:15

1 stop27h 50m

Melbourne

Sat 24/10

06:15-07:25

1 stop35h 10m

£945

LondonSydney

LGW - SYD

LGWSYD

London Gatwick

Wed 27/5

18:00-12:35

1 stop33h 35m

Sydney Kingsford Smith

Wed 3/6

11:00-06:40

1 stop28h 40m

£956

Flights are sorted by cheapest return flights first.

Deals found on 8/4

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
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 £501). Flying from United Kingdom to Australia in July is currently the most expensive (average of £737). 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 13 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.

Weekly flight availability from United Kingdom to Australia

Explore weekly flight availability from United Kingdom 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 13 April 2026.

The most flights from GB0 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 the United Kingdom to Australia delayed?

About 23% of weekly flights between United Kingdom 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 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 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 13 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
1,493 reviews
Check prices

Overall

8.2

Crew

8.6

Food

7.8

Entertainment

8.0

Boarding

8.3

Comfort

8.0

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
1,493 reviews
Singapore Airlines
8.2
Very Good
1,493 reviews
Check prices

Overall

8.2

Crew

8.6

Food

7.8

Entertainment

8.0

Boarding

8.3

Comfort

8.0

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
3,557 reviews
Singapore Airlines
8.2
Very Good
1,493 reviews
Check prices

Overall

8.2

Crew

8.6

Food

7.8

Entertainment

8.0

Boarding

8.3

Comfort

8.0

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
1,275 reviews
Singapore Airlines
8.2
Very Good
1,493 reviews
Check prices

Overall

8.2

Crew

8.6

Food

7.8

Entertainment

8.0

Boarding

8.3

Comfort

8.0

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
1,018 reviews
Singapore Airlines
8.2
Very Good
1,493 reviews
Check prices

Overall

8.2

Crew

8.6

Food

7.8

Entertainment

8.0

Boarding

8.3

Comfort

8.0

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
3,725 reviews
Singapore Airlines
8.2
Very Good
1,493 reviews
Check prices

Overall

8.2

Crew

8.6

Food

7.8

Entertainment

8.0

Boarding

8.3

Comfort

8.0

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?

    China Southern, China Eastern, and AirAsia X can get you from United Kingdom to Australia in just under 36h 55m. Your travel time can differ by up to 18h 05m. The distance from United Kingdom to Australia is about 10568 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?

    £281 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 £300 and £310, 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 £501). Flying from United Kingdom to Australia in July is currently the most expensive (average of £737). 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 13 April 2026.
AirlineCheapestAverageFlexibilityOn-time
AirAsiaCheapest£133Average£181FlexibilityNo cancel feeOn-time66%
Search AirAsia flights
Hainan AirlinesCheapest£204Average£713FlexibilityNo cancel feeOn-time61%
Search Hainan Airlines flights
Air ChinaCheapest£383Average£906FlexibilityNo cancel feeOn-time67%
Search Air China flights
Shenzhen AirlinesCheapest£468Average£926FlexibilityNo cancel feeOn-time63%
Search Shenzhen Airlines flights
Oman AirCheapest£494Average£1,328FlexibilityNo cancel feeOn-time76%
Search Oman Air flights
American AirlinesCheapest£530Average£1,087FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
FinnairCheapest£544Average£1,474FlexibilityNo cancel feeOn-time76%
Search Finnair flights
IndiGoCheapest£615Average£953FlexibilityNo cancel feeOn-time80%
Search IndiGo flights
Royal Brunei AirlinesCheapest£652Average£817FlexibilityNo cancel feeOn-time84%
Search Royal Brunei Airlines flights
Juneyao AirlinesCheapest£666Average£1,008FlexibilityNo 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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