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Cheap flights from the United Kingdom to Australia from £387

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 21/4. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SYD
9 Apr — 16 Apr1
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 10 March 2026.

Sun 7/617:55
LGW
-
SYD
1 stop30h 05m
China Eastern
Sun 5/711:00
SYD
-
LGW
1 stop37h 00m
China Eastern
Deal found 5/3£701
Sun 17/521:20
LHR
-
SYD
1 stop26h 40m
China Eastern
Wed 10/620:30
SYD
-
LHR
1 stop31h 10m
China Eastern
Deal found 5/3£701
Sun 15/321:00
LHR
-
SYD
1 stop26h 00m
China Eastern
Sun 29/311:05
SYD
-
LHR
2 stops41h 35m
China Eastern
Deal found 5/3£702
Sat 16/518:00
LGW
-
SYD
1 stop33h 35m
China Eastern
Tue 26/511:00
SYD
-
LGW
1 stop28h 40m
China Eastern
Deal found 5/3£703
Wed 20/522:10
LHR
-
SYD
1 stop25h 15m
China Southern
Tue 9/614:10
SYD
-
LHR
1 stop38h 10m
China Southern
Deal found 5/3£703
Mon 2/1122:00
LHR
-
SYD
1 stop35h 20m
China Southern
Mon 23/1111:25
SYD
-
LHR
1 stop42h 10m
China Southern
Deal found 5/3£704
Wed 13/518:00
LGW
-
SYD
1 stop30h 00m
China Eastern
Sun 14/620:30
SYD
-
LGW
1 stop27h 30m
China Eastern
Deal found 9/3£705
Wed 6/521:00
LHR
-
SYD
2 stops30h 25m
China Southern
Sat 6/614:10
SYD
-
LHR
1 stop38h 10m
China Southern
Deal found 8/3£705
Sat 9/511:35
LGW
-
SYD
1 stop40h 00m
China Eastern
Thu 14/511:00
SYD
-
LGW
1 stop28h 40m
China Eastern
Deal found 8/3£706
Sat 25/417:45
STN
-
SYD
2 stops27h 25m
Turkish Airlines
Sun 10/515:40
SYD
-
STN
2 stops27h 15m
Turkish Airlines
Deal found 8/3£706
Wed 6/522:10
LHR
-
SYD
1 stop29h 15m
China Southern
Sat 30/510:05
SYD
-
LHR
2 stops39h 10m
China Southern
Deal found 6/3£706
Tue 3/1120:20
LGW
-
SYD
2 stops37h 00m
China Southern
Mon 16/1109:20
SYD
-
LGW
2 stops43h 00m
China Southern
Deal found 6/3£707

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 10 March 2026.

Round-trip from

£701

One-way from

£387

Popular in

December

Cheapest in

May

Average price

£930

Good round-trip deal

£1,090 or less

Good one-way deal

£719 or less
China Eastern
  • China Eastern
  • 17/5-10/6
  • 2 total stops
  • 57h 50m total
  • United Kingdom to Australia
Search Deals
21/4
  • 21/4
  • 3 total stops
  • 43h 45m 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 March 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 10 March 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

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Sun 3/5

21:20-08:00

3 stops49h 40m

Sydney Kingsford Smith

Thu 11/6

10:00-18:40

2 stops41h 40m

£715

LondonSydney

STN - SYD

STNSYD

London Stansted

Sat 11/4

17:45-06:10

2 stops27h 25m

Sydney Kingsford Smith

Sat 25/4

20:50-16:40

2 stops28h 50m

£719

LondonSydney

STN - SYD

STNSYD

London Stansted

Thu 9/4

17:35-16:50

2 stops38h 15m

Sydney Kingsford Smith

Sun 10/5

15:40-09:55

2 stops27h 15m

£748

LondonSydney

STN - SYD

STNSYD

London Stansted

Tue 7/4

17:35-16:50

2 stops38h 15m

Sydney Kingsford Smith

Tue 12/5

15:40-09:55

2 stops27h 15m

£748

LondonMelbourne

STN - MEL

STNMEL

London Stansted

Wed 13/5

17:45-15:50

2 stops61h 05m

Melbourne

Sun 17/5

17:20-22:10

2 stops37h 50m

£748

LondonSydney

STN - SYD

STNSYD

London Stansted

Wed 13/5

10:50-16:50

2 stops45h 00m

Sydney Kingsford Smith

Sun 17/5

15:40-22:10

2 stops39h 30m

£759

LondonSydney

LGW - SYD

LGWSYD

London Gatwick

Tue 30/6

10:25-08:20

1 stop36h 55m

Sydney Kingsford Smith

Mon 24/8

20:50-07:25

1 stop43h 35m

£817

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Sat 4/4

21:20-12:35

1 stop30h 15m

Sydney Kingsford Smith

Thu 2/7

10:00-18:40

2 stops41h 40m

£821

LondonMelbourne

STN - MEL

STNMEL

London Stansted

Wed 6/5

17:45-06:15

2 stops27h 30m

Melbourne

Wed 20/5

21:35-09:55

2 stops45h 20m

£826

LondonSydney

LGW - SYD

LGWSYD

London Gatwick

Thu 14/5

18:00-09:00

1 stop30h 00m

Sydney Kingsford Smith

Mon 18/5

20:30-15:00

1 stop27h 30m

£826

Flights are sorted by cheapest return flights first.

Deals found on 6/3

Showing 1-10 of 60 resultsSorted by cheapest first
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2
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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 £505). Flying from United Kingdom to Australia in July is currently the most expensive (average of £747). 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 10 March 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 10 March 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 22% of weekly flights between United Kingdom and Australia have experienced delays in the past year, with the average delay time being 129 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?

Saturday 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 10 March 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
1,471 reviews
Check prices

Entertainment

8.0

Comfort

8.0

Food

7.8

Crew

8.6

Boarding

8.3

Overall

8.2

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
1,471 reviews
Singapore Airlines
8.2
Very Good
1,471 reviews
Check prices

Entertainment

8.0

Comfort

8.0

Food

7.8

Crew

8.6

Boarding

8.3

Overall

8.2

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
3,540 reviews
Singapore Airlines
8.2
Very Good
1,471 reviews
Check prices

Entertainment

8.0

Comfort

8.0

Food

7.8

Crew

8.6

Boarding

8.3

Overall

8.2

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
1,202 reviews
Singapore Airlines
8.2
Very Good
1,471 reviews
Check prices

Entertainment

8.0

Comfort

8.0

Food

7.8

Crew

8.6

Boarding

8.3

Overall

8.2

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
1,002 reviews
Singapore Airlines
8.2
Very Good
1,471 reviews
Check prices

Entertainment

8.0

Comfort

8.0

Food

7.8

Crew

8.6

Boarding

8.3

Overall

8.2

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
3,744 reviews
Singapore Airlines
8.2
Very Good
1,471 reviews
Check prices

Entertainment

8.0

Comfort

8.0

Food

7.8

Crew

8.6

Boarding

8.3

Overall

8.2

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 Eastern, Turkish Airlines, and AirAsia X can get you from United Kingdom to Australia in just under 27h 25m. Your travel time can differ by up to 22h 15m. The distance from United Kingdom to Australia is about 10528 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?

    £245 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 £302 and £313, 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 £505). Flying from United Kingdom to Australia in July is currently the most expensive (average of £747). 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 10 March 2026.
AirlineCheapestAverageFlexibilityOn-time
AirAsiaCheapest£129Average£177FlexibilityNo cancel feeOn-time66%
Search AirAsia flights
Hainan AirlinesCheapest£205Average£671FlexibilityNo cancel feeOn-time61%
Search Hainan Airlines flights
Oman AirCheapest£498Average£1,350FlexibilityNo cancel feeOn-time76%
Search Oman Air flights
Air ChinaCheapest£509Average£917FlexibilityNo cancel feeOn-time67%
Search Air China flights
American AirlinesCheapest£533Average£1,010FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
FinnairCheapest£548Average£1,482FlexibilityNo cancel feeOn-time76%
Search Finnair flights
IndiGoCheapest£575Average£926FlexibilityNo cancel feeOn-time80%
Search IndiGo flights
Shenzhen AirlinesCheapest£666Average£933FlexibilityNo cancel feeOn-time63%
Search Shenzhen Airlines flights
Royal Brunei AirlinesCheapest£669Average£808FlexibilityNo cancel feeOn-time84%
Search Royal Brunei Airlines flights
Juneyao AirlinesCheapest£670Average£1,015FlexibilityNo 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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