£404+ Cheap flights to Australia

— SYD
8 Dec — 15 Dec1
1 adult
1 adult, Economy, 0 bags

Flights to Australia in 2026

Enter your travel dates to find the best prices.

Cheapest flights to Australia

Tue 29/1221:30 -
2 stops37h 00m
Fri 15/108:40 -
2 stops64h 20m
Deal found 3/11£770
Mon 9/1109:50 -
1 stop24h 40m
Fri 5/211:25 -
1 stop30h 05m
Deal found 4/11£775
Thu 19/1121:00 -
3 stops75h 00m
Thu 26/1122:30 -
1 stop30h 00m
Deal found 3/11£776
Wed 18/1121:00 -
3 stops51h 00m
Tue 24/1122:30 -
1 stop30h 00m
Deal found 4/11£777
Fri 20/1112:30 -
1 stop35h 05m
Thu 26/1101:30 -
1 stop45h 00m
Deal found 4/11£778
Sun 22/1121:00 -
1 stop26h 00m
Sun 6/1222:30 -
1 stop30h 00m
Deal found 4/11£779

Find flight deals to Australia

Return from

£780

One-way from

£404

Popular in

December

Cheapest in

May

Average price

£927

Good round-trip deal

£1,065 or less

Good one-way deal

£991 or less
China Southern
  • China Southern
  • 18/11-6/12
  • 3 total stops
  • 66h 45m total
  • London to Sydney
China Southern
  • China Southern
  • 25/11-31/12
  • 1 total stop
  • 34h 00m total
  • London to Australia
Highest demand for flights based on searches. 6% potential increase in price (£70 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£33 potential savings vs. average return price).
Average for return flights in November 2026
Price to beat on a round-trip flight from London to Australia.
Price to beat on a one-way flight from London to Australia.

Cheapflights Fare Finder

 
Use the filters below to find and compare flights to Australia that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest return flight

LondonMelbourne

LTN London Luton - MEL Melbourne

LTNMEL

London Luton

Mon 3/5

21:50-06:15

3 stops47h 25m

Melbourne

Wed 31/12

00:00-15:00

Nonstop0h 00m

£411
Fastest return journey

LondonSydney

SEN London Southend - SYD Sydney Kingsford Smith

SENSYD

London Southend

Mon 14/12

12:20-10:00

2 stops34h 40m

Sydney Kingsford Smith

Wed 31/12

00:00-15:00

Nonstop0h 00m

£453

LondonPerth

LTN London Luton - PER Perth

LTNPER

London Luton

Sun 15/11

07:50-19:55

3 stops52h 05m

Perth

Wed 31/12

00:00-17:00

Nonstop0h 00m

£475

LondonSydney

LGW London Gatwick - SYD Sydney Kingsford Smith

LGWSYD

London Gatwick

Wed 28/4

10:05-19:00

2 stops47h 55m

Sydney Kingsford Smith

Thu 6/5

20:50-22:30

2 stops34h 40m

£916

LondonSydney

LGW London Gatwick - SYD Sydney Kingsford Smith

LGWSYD

London Gatwick

Wed 24/2

10:05-19:25

2 stops46h 20m

Sydney Kingsford Smith

Sun 28/2

21:35-09:10

2 stops46h 35m

£992

LondonSydney

LHR London Heathrow - SYD Sydney Kingsford Smith

LHRSYD

London Heathrow

Tue 23/2

18:40-07:15

2 stops25h 35m

Sydney Kingsford Smith

Tue 2/3

15:15-08:05

2 stops27h 50m

£1,000

LondonAdelaide

LHR London Heathrow - ADL Adelaide

LHRADL

London Heathrow

Sat 5/12

08:35-16:30

1 stop21h 25m

Adelaide

Sun 24/1

22:00-13:25

1 stop25h 55m

£1,006

LondonAdelaide

LHR London Heathrow - ADL Adelaide

LHRADL

London Heathrow

Tue 8/12

08:25-20:40

2 stops25h 45m

Adelaide

Sat 30/1

22:00-12:15

1 stop24h 45m

£1,009

LondonSydney

LGW London Gatwick - SYD Sydney Kingsford Smith

LGWSYD

London Gatwick

Mon 22/2

06:30-19:25

2 stops25h 55m

Sydney Kingsford Smith

Sun 7/3

21:35-22:35

2 stops36h 00m

£1,023

LondonAdelaide

LGW London Gatwick - ADL Adelaide

LGWADL

London Gatwick

Wed 3/3

09:40-20:50

1 stop24h 40m

Adelaide

Mon 8/3

22:40-18:25

1 stop30h 15m

£1,026

Flights are sorted by cheapest return flights first.

Deals found on 6/11

Showing 1-10 of 33 resultsSorted by cheapest first
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Best time to book a flight to Australia

Have a flexible travel schedule? Discover the best time to fly to Australia with our price prediction graph.
Estimated return price

Cheapflights Insights

Everything you need to know about your flight to Australia

How long is the flight to Australia?

On average, a flight from London to Australia takes 22 hours 49 minutes. Flights to Australia from other popular cities in United Kingdom will vary in length. Below are a few examples of popular routes and their flight times.

Weekly flight availability to Australia

The most flights from London to Australia 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).

What are the cheapest airlines that fly to Australia?

The cheapest airlines flying from London to Australia are AirAsia, Hainan Airlines and Air China.

Rainfall in Australia by month

In terms of precipitation, rainfall in Australia ranges from 50.0 - 130.0 inches per month. March is typically the wettest month, when rainfall can reach 130.0 mm. September is typically the driest time to visit Australia when rainfall is around 50.0 mm.

Temperature in Australia by month

If weather is an important factor for your trip to Australia, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 22.0 C. Travellers hoping to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 11.0 C).

When is the best time to book a flight to Australia?

Booking 46 days in advance of your planned departure date is, on average, the best time to get cheap flights to Australia. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What are the most popular places to fly to in Australia?

The most popular places in Australia to fly to are Sydney, Melbourne, Perth, Brisbane and Adelaide.

Reviews of airlines servicing Australia

Read reviews from past customers who have flown Cathay Pacific,Qantas Airways, andChina Southern to Australia. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

7.8

Boarding

7.9

Overall

7.6

Comfort

7.6

Crew

8.1

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2026

CGK - HKG

food quality is horrible for premium economy. one of the worst in the airlines. flight attendants is mediocre. won't flight this anymore. better to use Starlux, SQ, or ANA/JAL.

Entertainment

7.8

Boarding

7.9

Overall

7.6

Comfort

7.6

Crew

8.1

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2026

CGK - HKG

food quality is horrible for premium economy. one of the worst in the airlines. flight attendants is mediocre. won't flight this anymore. better to use Starlux, SQ, or ANA/JAL.

Entertainment

7.8

Boarding

7.9

Overall

7.6

Comfort

7.6

Crew

8.1

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2026

CGK - HKG

food quality is horrible for premium economy. one of the worst in the airlines. flight attendants is mediocre. won't flight this anymore. better to use Starlux, SQ, or ANA/JAL.

Entertainment

7.8

Boarding

7.9

Overall

7.6

Comfort

7.6

Crew

8.1

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2026

CGK - HKG

food quality is horrible for premium economy. one of the worst in the airlines. flight attendants is mediocre. won't flight this anymore. better to use Starlux, SQ, or ANA/JAL.

Entertainment

7.8

Boarding

7.9

Overall

7.6

Comfort

7.6

Crew

8.1

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2026

CGK - HKG

food quality is horrible for premium economy. one of the worst in the airlines. flight attendants is mediocre. won't flight this anymore. better to use Starlux, SQ, or ANA/JAL.

Entertainment

7.8

Boarding

7.9

Overall

7.6

Comfort

7.6

Crew

8.1

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2026

CGK - HKG

food quality is horrible for premium economy. one of the worst in the airlines. flight attendants is mediocre. won't flight this anymore. better to use Starlux, SQ, or ANA/JAL.

FAQs about flying to Australia

  • What is good to know if travelling to Australia?

    If the thought of a banger on the barbie sounds delicious, remember that beef, rather than pork sausages in Australia are the norm. Queensland is home to the Great Barrier Reef and averages 300 sunny days a year. Brisbane, political and art capital of Queensland, has a world-class cultural calendar, thriving nightlife, and perfect climate. When you’re not visiting the islands, take in the town’s sights: Queenslander cottages converted to cafes, restaurants, and shops; excellent cuisine; fine arts, Australian surfing spots and sporting events. Also in Queensland, Cairns is the only place in the world with side-by-side World Heritage sites: the Great Barrier Reef and Wet Tropics Rainforest. In the north, the rainforest touches the reef, and you can go from the beach to snorkeling in the reef. An international tourist destination, Cairns has a nightlife, shopping, and accommodation for all budgets. Australia’s oldest city, Sydney, has international style, superb dining, and exuberance. The nightlife offers the renowned Sydney Opera House and theatres as well as trendy clubs, bars, and rowdy pubs. The Harbour Bridge is a must-see and must-climb, and beaches are around the harbour and along the oceanfront. A true cosmopolitan city, the shopping is excellent, especially for opals. The sunniest Australian capital, Perth is a city of skyscrapers, yet great beaches are just a bus ride away. Rottnest Island has snorkelling, fishing, golfing, and hiking. Nearby Fremantle has heritage-listed buildings, restored warehouses, museums, and selections of crafts and Aboriginal souvenirs. Or head over to the Darling Range and bushwalk to the oldest rocks on Earth, waterfalls, and forests. Melbourne is known for the good things in life: fashion, food, entertainment, nightlife, sports, and shopping. International festivals are held year-round, and sports venues include the Australian Open, Melbourne Cup, car racing, and Australian-rules football. A shoppers delight, there’s everything from high fashion to unique souvenirs and handcrafts. A cultural melting pot, Melbourne has old-world charm with its Victorian architecture and ethnic restaurants.

  • Can I find cheaper flights to Australia if I am willing to have stopovers?

    Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to Australia on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to Australia?

    Based on reviews from Cheapflights users, Cathay Pacific is rated the highest out of the airlines that fly to Australia.

  • What is the cheapest airport to fly to in Australia?

    Adelaide is currently the cheapest airport to fly to in Australia. One-way flights to Adelaide typically cost £27, while return flights cost around £37.

  • How much is a return flight to Australia?

    A return flight to Australia will typically cost around £156, however they can be found for as little as £85.

  • Where does the fastest flight to Australia depart from?

    For those looking to save time traveling to Australia, London offers the quickest one-way flight (16 hours 45 minutes).

  • Does Sydney Kingsford Smith have car hire?

    Yes. Those touching down at Sydney Kingsford Smith can take advantage of the car hire services offered upon their arrival.

  • Are there hotels close to Sydney Kingsford Smith?

    Yes. Sydney Kingsford Smith has hotels nearby for those requiring accommodations. Rydges Sydney Airport Hotel is the closest property to Sydney Kingsford Smith (0.0 mi away from Sydney Kingsford Smith).

See more FAQs

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