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Cheap flights from the United Kingdom to Australia from £399

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 13/3. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SYD
21 Feb — 28 Feb1
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 22 January 2026.

Fri 17/421:00
LHR
-
SYD
2 stops30h 35m
China Southern
Fri 8/521:45
SYD
-
LHR
1 stop30h 15m
China Southern
Deal found 21/1£741
Mon 2/317:00
LGW
-
SYD
1 stop33h 35m
China Eastern
Sun 8/321:30
SYD
-
LGW
1 stop27h 30m
China Eastern
Deal found 21/1£742
Sat 31/122:00
LHR
-
SYD
1 stop35h 20m
Multiple Airlines
Sat 7/220:40
SYD
-
LHR
1 stop30h 15m
Multiple Airlines
Deal found 21/1£742
Mon 8/622:10
LHR
-
SYD
1 stop25h 15m
China Southern
Sun 14/621:45
SYD
-
LHR
2 stops29h 20m
China Southern
Deal found 22/1£742
Mon 9/306:20
LGW
-
SYD
2 stops37h 15m
Turkish Airlines
Tue 31/316:40
SYD
-
LGW
2 stops27h 15m
Turkish Airlines
Deal found 22/1£743
Sun 1/321:00
LHR
-
SYD
1 stop29h 35m
China Eastern
Sun 22/321:30
SYD
-
LHR
1 stop31h 00m
China Eastern
Deal found 22/1£743
Thu 19/317:00
LGW
-
SYD
1 stop30h 00m
China Eastern
Sun 5/410:05
SYD
-
LGW
2 stops53h 35m
China Eastern
Deal found 21/1£745
Wed 4/219:45
LHR
-
MEL
1 stop32h 25m
Hainan Airlines
Sun 1/320:45
MEL
-
LHR
2 stops32h 10m
Hainan Airlines
Deal found 19/1£745
Thu 19/210:30
LGW
-
MEL
1 stop38h 30m
China Eastern
Sat 28/312:00
MEL
-
LGW
1 stop38h 00m
China Eastern
Deal found 20/1£745
Tue 3/321:00
LHR
-
SYD
1 stop29h 35m
China Eastern
Wed 25/321:30
SYD
-
LHR
1 stop31h 00m
China Eastern
Deal found 21/1£745
Sun 1/210:30
LGW
-
SYD
1 stop40h 05m
China Eastern
Sun 15/212:00
SYD
-
LGW
1 stop29h 30m
China Eastern
Deal found 21/1£745
Sat 3/1021:00
LHR
-
MEL
2 stops50h 40m
China Southern
Mon 12/1022:00
MEL
-
LHR
1 stop31h 00m
China Southern
Deal found 20/1£745

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 22 January 2026.

Round-trip from

£741

One-way from

£399

Popular in

December

Cheapest in

May

Average price

£1,000

Good round-trip deal

£985 or less

Good one-way deal

£816 or less
China Southern
  • China Southern
  • 17/4-8/5
  • 3 total stops
  • 60h 50m total
  • United Kingdom to Australia
Search Deals
13/3
  • 13/3
  • 3 total stops
  • 59h 30m total
  • United Kingdom to Australia
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£68 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£24 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 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 22 January 2026.
Use the filters below to find and compare flights from the United Kingdom to Australia that are best for you.

Fly from

United Kingdom

Fly to

Australia

Route

Depart

Return

Price

LondonMelbourne

LGW - MEL

LGWMEL

London Gatwick

Tue 21/4

18:00-09:00

1 stop30h 00m

Melbourne

Tue 12/5

21:30-15:00

1 stop26h 30m

£745

LondonSydney

STN - SYD

STNSYD

London Stansted

Wed 10/6

10:50-06:10

2 stops34h 20m

Sydney Kingsford Smith

Wed 8/7

15:40-16:50

2 stops34h 10m

£748

LondonSydney

STN - SYD

STNSYD

London Stansted

Mon 8/6

10:50-06:10

2 stops34h 20m

Sydney Kingsford Smith

Sat 11/7

21:30-16:50

2 stops28h 20m

£748

LondonSydney

STN - SYD

STNSYD

London Stansted

Mon 8/6

10:50-06:10

2 stops34h 20m

Sydney Kingsford Smith

Wed 8/7

15:40-16:50

2 stops34h 10m

£748

LondonSydney

STN - SYD

STNSYD

London Stansted

Sat 6/6

10:50-06:10

2 stops34h 20m

Sydney Kingsford Smith

Tue 7/7

15:40-16:50

2 stops34h 10m

£748

LondonSydney

LGW - SYD

LGWSYD

London Gatwick

Tue 12/5

18:00-09:00

1 stop30h 00m

Sydney Kingsford Smith

Thu 25/6

11:00-06:40

1 stop28h 40m

£750

LondonSydney

LGW - SYD

LGWSYD

London Gatwick

Tue 14/4

18:00-09:00

1 stop30h 00m

Sydney Kingsford Smith

Thu 30/4

11:00-15:10

1 stop37h 10m

£750

LondonSydney

LGW - SYD

LGWSYD

London Gatwick

Wed 15/4

18:25-09:00

1 stop29h 35m

Sydney Kingsford Smith

Sat 2/5

11:00-16:00

1 stop38h 00m

£750

LondonSydney

LGW - SYD

LGWSYD

London Gatwick

Wed 8/4

11:35-09:00

1 stop36h 25m

Sydney Kingsford Smith

Sat 2/5

11:00-16:00

1 stop38h 00m

£750

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Sat 21/2

16:40-06:35

2 stops26h 55m

Sydney Kingsford Smith

Sat 7/3

21:45-14:55

2 stops28h 10m

£750

Flights are sorted by cheapest return flights first.

Deals found on 21/1

Showing 1-10 of 60 results
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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, February is the cheapest month in which you can book a flight from United Kingdom to Australia (average of £333). Flying from United Kingdom to Australia in July is currently the most expensive (average of £742). 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 22 January 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 22 January 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 25% of weekly flights between United Kingdom and Australia have experienced delays in the past year, with the average delay time being 124 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?

Friday 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 25% 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 22 January 2026.
See what other customers who have flown with Emirates, Singapore Airlines, 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.
Emirates
8.1
Very Good
3,485 reviews
Check prices

Boarding

8.1

Overall

8.1

Entertainment

8.2

Comfort

8.0

Crew

8.3

Food

7.9

Reviews

1 / 20
2.0
Mediocre

Jayant,Dec 2025

HKG - DXB

Poor crew service. They lacked attention and courtesy to passengers
Emirates
8.1
Very Good
3,485 reviews
Emirates
8.1
Very Good
3,485 reviews
Check prices

Boarding

8.1

Overall

8.1

Entertainment

8.2

Comfort

8.0

Crew

8.3

Food

7.9

Reviews

1 / 20
2.0
Mediocre

Jayant,Dec 2025

HKG - DXB

Poor crew service. They lacked attention and courtesy to passengers
Singapore Airlines
8.1
Very Good
1,434 reviews
Emirates
8.1
Very Good
3,485 reviews
Check prices

Boarding

8.1

Overall

8.1

Entertainment

8.2

Comfort

8.0

Crew

8.3

Food

7.9

Reviews

1 / 20
2.0
Mediocre

Jayant,Dec 2025

HKG - DXB

Poor crew service. They lacked attention and courtesy to passengers
Cathay Pacific
7.6
Good
1,140 reviews
Emirates
8.1
Very Good
3,485 reviews
Check prices

Boarding

8.1

Overall

8.1

Entertainment

8.2

Comfort

8.0

Crew

8.3

Food

7.9

Reviews

1 / 20
2.0
Mediocre

Jayant,Dec 2025

HKG - DXB

Poor crew service. They lacked attention and courtesy to passengers
Qantas Airways
7.5
Good
973 reviews
Emirates
8.1
Very Good
3,485 reviews
Check prices

Boarding

8.1

Overall

8.1

Entertainment

8.2

Comfort

8.0

Crew

8.3

Food

7.9

Reviews

1 / 20
2.0
Mediocre

Jayant,Dec 2025

HKG - DXB

Poor crew service. They lacked attention and courtesy to passengers
Qatar Airways
7.4
Good
3,717 reviews
Emirates
8.1
Very Good
3,485 reviews
Check prices

Boarding

8.1

Overall

8.1

Entertainment

8.2

Comfort

8.0

Crew

8.3

Food

7.9

Reviews

1 / 20
2.0
Mediocre

Jayant,Dec 2025

HKG - DXB

Poor crew service. They lacked attention and courtesy to passengers

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 Eastern, Turkish Airlines, and Cathay Pacific can get you from United Kingdom to Australia in just under 30h. Your travel time can differ by up to 4h 20m. 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?

    £301 is the cheapest one-way deal found within the past few days, from SWISS. You may also be able to find cheap deals on Beijing Capital Airlines and Air China, with prices starting from £309 and £330, 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, February is the cheapest month in which you can book a flight from United Kingdom to Australia (average of £333). Flying from United Kingdom to Australia in July is currently the most expensive (average of £742). 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 22 January 2026.
AirlineCheapestAverageFlexibilityOn-time
AirAsiaCheapest£128Average£176FlexibilityNo cancel feeOn-time66%
Search AirAsia flights
Beijing Capital AirlinesCheapest£319Average£604FlexibilityNo cancel feeOn-timeN/A
Search Beijing Capital Airlines flights
Hainan AirlinesCheapest£336Average£760FlexibilityNo cancel feeOn-time61%
Search Hainan Airlines flights
IndiGoCheapest£456Average£904FlexibilityNo cancel feeOn-time80%
Search IndiGo flights
Air ChinaCheapest£485Average£953FlexibilityNo cancel feeOn-time67%
Search Air China flights
Oman AirCheapest£495Average£1,343FlexibilityNo cancel feeOn-time76%
Search Oman Air flights
American AirlinesCheapest£531Average£1,022FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
FinnairCheapest£545Average£1,322FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Royal Brunei AirlinesCheapest£638Average£781FlexibilityNo cancel feeOn-time84%
Search Royal Brunei Airlines flights
Juneyao AirlinesCheapest£668Average£1,014FlexibilityNo 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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