£699+ Direct flights to Sydney

This is the cheapest price on a non-stop flight to Sydney found by a Cheapflights user in the last 72 hours by searching for a flight departing on 21/5. Fares are subject to change and may not be available on all flights or dates of travel.
— SYD
15 Feb — 22 Feb1
1 adult
1 adult, Economy, 0 bags

Find flight deals to Sydney

Enter your travel dates to find the best prices.

Cheapest flights to Sydney
Explore the most affordable flight options available to Sydney. Find the lowest fares based on data from user searches, with prices last updated on 16 January 2026.

Tue 24/220:10
LHR
-
SYD
Nonstop23h 25m
Qantas Airways
Tue 17/316:15
SYD
-
LHR
Nonstop25h 00m
Qantas Airways
Deal found 14/1£834
Wed 18/220:10
LHR
-
SYD
Nonstop23h 25m
Qantas Airways
Thu 12/316:15
SYD
-
LHR
Nonstop25h 00m
Qantas Airways
Deal found 14/1£834
Mon 16/320:10
LHR
-
SYD
Nonstop23h 25m
Qantas Airways
Tue 28/414:45
SYD
-
LHR
Nonstop24h 50m
Qantas Airways
Deal found 15/1£835
Tue 17/320:10
LHR
-
SYD
Nonstop23h 25m
Qantas Airways
Tue 28/414:45
SYD
-
LHR
Nonstop24h 50m
Qantas Airways
Deal found 14/1£836
Thu 5/320:10
LHR
-
SYD
Nonstop23h 25m
Qantas Airways
Tue 17/316:15
SYD
-
LHR
Nonstop25h 00m
Qantas Airways
Deal found 14/1£837
Wed 18/220:10
LHR
-
SYD
Nonstop23h 25m
Qantas Airways
Wed 15/414:45
SYD
-
LHR
Nonstop24h 50m
Qantas Airways
Deal found 15/1£838
Mon 6/420:50
LHR
-
SYD
Nonstop23h 20m
Qantas Airways
Wed 15/414:45
SYD
-
LHR
Nonstop24h 50m
Qantas Airways
Deal found 15/1£849
Tue 7/420:50
LHR
-
SYD
Nonstop23h 20m
Qantas Airways
Tue 28/414:45
SYD
-
LHR
Nonstop24h 50m
Qantas Airways
Deal found 14/1£849
Wed 8/420:50
LHR
-
SYD
Nonstop23h 20m
Qantas Airways
Wed 13/514:45
SYD
-
LHR
Nonstop24h 50m
Qantas Airways
Deal found 14/1£850
Tue 17/220:10
LHR
-
SYD
Nonstop23h 25m
Qantas Airways
Tue 10/316:15
SYD
-
LHR
Nonstop25h 00m
Qantas Airways
Deal found 15/1£852
Fri 27/220:10
LHR
-
SYD
Nonstop23h 25m
Qantas Airways
Mon 9/316:15
SYD
-
LHR
Nonstop25h 00m
Qantas Airways
Deal found 15/1£854

Best time to book a flight to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney 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 Fare Finder

 
Use the slider to find non-stop flights to Sydney within your budget. Price data is based on user searches made on Cheapflights. Over the past seven days, Cheapflights users made 858,174 searches and data was last updated on 16 January 2026.
Use the filters below to find and compare direct flights to Sydney that are best for you.

Fly from

London

Route

Depart

Return

Price

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Thu 5/3

20:10-06:35

Nonstop23h 25m

Sydney Kingsford Smith

Tue 17/3

16:15-06:15

Nonstop25h 00m

£831

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Thu 19/2

20:10-06:35

Nonstop23h 25m

Sydney Kingsford Smith

Mon 9/3

16:15-06:15

Nonstop25h 00m

£834

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Tue 3/3

20:10-06:35

Nonstop23h 25m

Sydney Kingsford Smith

Tue 10/3

16:15-06:15

Nonstop25h 00m

£834

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Wed 25/2

20:10-06:35

Nonstop23h 25m

Sydney Kingsford Smith

Wed 11/3

16:15-06:15

Nonstop25h 00m

£837

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Wed 11/3

20:10-06:35

Nonstop23h 25m

Sydney Kingsford Smith

Wed 25/3

16:15-06:15

Nonstop25h 00m

£837

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Mon 4/5

20:50-05:10

Nonstop23h 20m

Sydney Kingsford Smith

Mon 25/5

14:45-06:35

Nonstop24h 50m

£846

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Wed 29/4

20:50-05:10

Nonstop23h 20m

Sydney Kingsford Smith

Wed 13/5

14:45-06:35

Nonstop24h 50m

£849

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Tue 14/4

20:50-05:10

Nonstop23h 20m

Sydney Kingsford Smith

Sun 3/5

14:45-06:35

Nonstop24h 50m

£852

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Sun 3/5

20:50-05:10

Nonstop23h 20m

Sydney Kingsford Smith

Tue 12/5

14:45-06:35

Nonstop24h 50m

£870

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Wed 8/4

20:50-05:10

Nonstop23h 20m

Sydney Kingsford Smith

Sat 2/5

14:45-06:35

Nonstop24h 50m

£872

Flights are sorted by cheapest return flights first.

Deals found on 16/1

Showing 1-10 of 18 results
1
2

Reviews of airlines flying non-stop to Sydney

Get insights into the airlines that provide direct flights to Sydney. 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 Sydney. Reviews last updated 16 January 2026.
See what other customers who have flown with Cathay Pacific, Etihad Airways, andChina Southern to Australia have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

7.3

Entertainment

7.8

Boarding

7.9

Overall

7.6

Comfort

7.6

Crew

8.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jan 2026

HKG - CTS

I went to sleep without dinner, woke up about 4 hours before landing. I asked for breakfast, waited for an hour, nothing, I asked again, still nothing after 15 minutes. I then asked for coffee, when the coffee came after half an hour, it was cold. Crew manager apologised.

Food

7.3

Entertainment

7.8

Boarding

7.9

Overall

7.6

Comfort

7.6

Crew

8.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jan 2026

HKG - CTS

I went to sleep without dinner, woke up about 4 hours before landing. I asked for breakfast, waited for an hour, nothing, I asked again, still nothing after 15 minutes. I then asked for coffee, when the coffee came after half an hour, it was cold. Crew manager apologised.

Food

7.3

Entertainment

7.8

Boarding

7.9

Overall

7.6

Comfort

7.6

Crew

8.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jan 2026

HKG - CTS

I went to sleep without dinner, woke up about 4 hours before landing. I asked for breakfast, waited for an hour, nothing, I asked again, still nothing after 15 minutes. I then asked for coffee, when the coffee came after half an hour, it was cold. Crew manager apologised.

Food

7.3

Entertainment

7.8

Boarding

7.9

Overall

7.6

Comfort

7.6

Crew

8.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jan 2026

HKG - CTS

I went to sleep without dinner, woke up about 4 hours before landing. I asked for breakfast, waited for an hour, nothing, I asked again, still nothing after 15 minutes. I then asked for coffee, when the coffee came after half an hour, it was cold. Crew manager apologised.

Food

7.3

Entertainment

7.8

Boarding

7.9

Overall

7.6

Comfort

7.6

Crew

8.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jan 2026

HKG - CTS

I went to sleep without dinner, woke up about 4 hours before landing. I asked for breakfast, waited for an hour, nothing, I asked again, still nothing after 15 minutes. I then asked for coffee, when the coffee came after half an hour, it was cold. Crew manager apologised.

Food

7.3

Entertainment

7.8

Boarding

7.9

Overall

7.6

Comfort

7.6

Crew

8.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jan 2026

HKG - CTS

I went to sleep without dinner, woke up about 4 hours before landing. I asked for breakfast, waited for an hour, nothing, I asked again, still nothing after 15 minutes. I then asked for coffee, when the coffee came after half an hour, it was cold. Crew manager apologised.

FAQ about direct flights to Sydney

Find answers to frequently asked questions about direct flights to Sydney to unlock the best deals on Cheapflights.
  • How much are direct flights to Sydney?

    On average, a one-way direct flight to Sydney will cost users approximately £3,072. If you're looking for a direct return flight to Sydney, you can expect to pay around £4,735.

  • Which airlines fly direct to Sydney?

    At the moment, Singapore Airlines, British Airways, Qantas Airways offer direct flights to Sydney. Singapore Airlines is currently the most popular airline that flies direct to Sydney.

  • How long is a direct flight to Sydney?

    While the flight duration depends heavily on the origin, travellers can expect non-stop flights to Sydney to last approximately 23h 05m on average. The quickest direct flight to Sydney at this time departs from London Heathrow Airport (23h 05m), while the longest leaves from London Heathrow Airport (23h 05m).

  • What is the best time of year to fly direct to Sydney?

    If you're seeking the lowest price on a direct flight to Sydney, May is worth consideration, as prices are usually at their lowest, on average. June may be most appealing to users looking for the quietest time to visit Sydney, when demand is typically at its lowest.

  • What is the most popular direct flight origin to Sydney?

    Currently, the most popular direct flight origin to Sydney is London Heathrow Airport. A return direct flight from London Heathrow Airport to Sydney typically costs around £4,070.

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.

Direct flights to Australia

Book a non-stop flight to one of these popular destinations located in Australia.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.