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£456+ Cheap flights to Sydney

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 20/8. Fares are subject to change and may not be available on all flights or dates of travel.
— SYD
13 Aug — 20 Aug1
1 adult

Flights to Sydney in 2025

Find the latest flights to Sydney in 2025, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 858,174 searches and data was last updated on 8 August 2025.

Return from

£749

One-way from

£456

Popular in

December

Cheapest in

May

Average price

£1,082

Good round-trip deal

£1,088 or less

Good one-way deal

£1,006 or less
28/10-11/11
  • 28/10-11/11
  • 4 total stops
  • 70h 25m total
  • London to Sydney
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20/8
  • 20/8
  • 3 total stops
  • 52h 45m total
  • London to Sydney
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Highest demand for flights based on searches. 9% potential increase in price (£75 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (£22 potential savings vs. average return price).
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Average for return flights in August 2025
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Price to beat on a round-trip flight from London to Sydney Kingsford Smith.
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Price to beat on a one-way flight from London to Sydney Kingsford Smith.
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Find flight deals to Sydney

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 8 August 2025.

Wed 22/1007:30STN - SYD
3 stops39h 20mMultiple Airlines
Sun 16/1120:05SYD - STN
2 stops31h 45mMultiple Airlines
Deal found 7/8£749
Sun 26/1017:00LGW - SYD
1 stop30h 00mChina Eastern
Fri 14/1121:30SYD - LGW
1 stop27h 30mChina Eastern
Deal found 6/8£749
Fri 29/822:10LHR - SYD
1 stop25h 15mMultiple Airlines
Sun 7/919:40SYD - LHR
1 stop31h 05mMultiple Airlines
Deal found 6/8£749
Thu 4/918:00LGW - SYD
2 stops28h 40mChina Eastern
Mon 29/920:30SYD - LGW
1 stop27h 30mChina Eastern
Deal found 6/8£750
Fri 29/822:10LHR - SYD
1 stop36h 15mChina Southern
Tue 2/910:15SYD - LHR
1 stop41h 45mChina Southern
Deal found 7/8£750
Tue 4/1110:30LGW - SYD
2 stops37h 30mChina Eastern
Tue 25/1112:00SYD - LGW
1 stop29h 30mChina Eastern
Deal found 6/8£751
Fri 12/921:00LHR - SYD
2 stops37h 25mChina Southern
Sun 5/1011:15SYD - LHR
1 stop41h 45mChina Southern
Deal found 6/8£751
Mon 1/912:00LGW - SYD
1 stop22h 25mChina Southern
Sun 28/910:15SYD - LGW
1 stop29h 35mChina Southern
Deal found 6/8£752
Wed 29/1022:00LHR - SYD
1 stop24h 25mChina Southern
Thu 6/1122:00SYD - LHR
1 stop31h 15mChina Southern
Deal found 7/8£752
Tue 2/912:35LGW - SYD
1 stop41h 15mAir China
Sat 6/919:40SYD - LGW
1 stop43h 55mAir China
Deal found 6/8£752
Fri 19/922:40LHR - SYD
1 stop31h 10mAir China
Sat 30/519:40SYD - LHR
1 stop33h 50mAir China
Deal found 6/8£752
Thu 4/918:00LGW - SYD
2 stops28h 40mChina Eastern
Thu 11/911:00SYD - LGW
1 stop37h 10mChina Eastern
Deal found 6/8£753

Cheapflights Fare Finder

 
Locate flights to Sydney that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 858,174 searches and data was last updated on 8 August 2025.
Use the filters below to find and compare flights to Sydney that are best for you.

Fly from

London

Route

Depart

Return

Price

LondonSydney

STN - SYD

STNSYD

London Stansted

Wed 22/10

07:30-08:50

3 stops39h 20m

Sydney Kingsford Smith

Sun 16/11

20:05-16:50

2 stops31h 45m

£749

LondonSydney

LGW - SYD

LGWSYD

London Gatwick

Sun 26/10

17:00-10:00

1 stop30h 00m

Sydney Kingsford Smith

Fri 14/11

21:30-14:00

1 stop27h 30m

£749

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Fri 29/8

22:10-08:25

1 stop25h 15m

Sydney Kingsford Smith

Sun 7/9

19:40-17:45

1 stop31h 05m

£749

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Fri 29/8

22:10-19:25

1 stop36h 15m

Sydney Kingsford Smith

Tue 2/9

10:15-19:00

1 stop41h 45m

£750

LondonSydney

LGW - SYD

LGWSYD

London Gatwick

Thu 4/9

18:00-07:40

2 stops28h 40m

Sydney Kingsford Smith

Mon 29/9

20:30-15:00

1 stop27h 30m

£750

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Fri 12/9

21:00-19:25

2 stops37h 25m

Sydney Kingsford Smith

Sun 5/10

11:15-19:00

1 stop41h 45m

£751

LondonSydney

LGW - SYD

LGWSYD

London Gatwick

Tue 4/11

10:30-11:00

2 stops37h 30m

Sydney Kingsford Smith

Tue 25/11

12:00-06:30

1 stop29h 30m

£751

LondonSydney

LGW - SYD

LGWSYD

London Gatwick

Mon 1/9

12:00-19:25

1 stop22h 25m

Sydney Kingsford Smith

Sun 28/9

10:15-06:50

1 stop29h 35m

£752

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Wed 29/10

22:00-09:25

1 stop24h 25m

Sydney Kingsford Smith

Fri 14/11

22:00-18:15

1 stop31h 15m

£752

LondonSydney

LGW - SYD

LGWSYD

London Gatwick

Tue 2/9

12:35-14:50

1 stop41h 15m

Sydney Kingsford Smith

Sat 6/9

19:40-06:35

1 stop43h 55m

£752

Flights are sorted by cheapest return flights first.

Deals found on 6/8

Showing 1-10 of 60 results
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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 Insights

Everything you need to know about your flight to Sydney

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

Use this chart to determine the optimal time to book a return flight from London to Sydney. Price data was last updated on 1 August 2025.

Booking 36 days in advance of your planned departure date is, on average, the best time to get cheap flights to Sydney. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

How long is the flight to Sydney?

On average, a flight from London to Sydney takes 25 hours 56 minutes. Flights to Sydney from other popular cities in United Kingdom will vary in length. Below are a few examples of popular routes and their flight times.

When is the cheapest time to fly to Sydney?

Use this chart to determine the cheapest time to fly return from London to Sydney. Price data was last updated on 16 December 2024.

Users looking for the lowest fares to Sydney should consider flying on Sunday evenings, when prices are typically cheapest. Budget-minded travellers will want to avoid Friday evenings, when prices are usually at their highest.

Weekly flight availability to Sydney

The most flights from London to Sydney 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 most popular airlines that fly to Sydney?

The most popular airlines flying from London to Sydney are China Southern, Singapore Airlines and Etihad Airways.

Emirates
Emirates
From £1,009
Etihad Airways
Etihad Airways
From £971
Singapore Airlines
Singapore Airlines
From £1,078
China Southern
China Southern
From £677

What are the cheapest airlines that fly to Sydney?

The cheapest airlines flying from London to Sydney are Hainan Airlines, China Southern and Air China.

Rainfall in Sydney by month

Plan your trip to Sydney by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Sydney 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 Sydney when rainfall is around 50.0 mm.

Temperature in Sydney by month

Plan your trip to Sydney by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Sydney, 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).

Reviews of airlines servicing Sydney

Get insights into the airlines that provide service 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 8 August 2025.
See what other customers who have flown with Hainan Airlines, Emirates, andKLM to Australia have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Hainan Airlines
8.2
Very Good
44 reviews
Check prices

Food

8.4

Entertainment

7.5

Comfort

8.0

Overall

8.2

Boarding

8.5

Crew

8.9

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2025

CAN - PEK

Excellent services. The staff were amazing. Although if there was something that I could suggest to improve the services I’d say that snacks and drinks should be offered in between meals. Other than that then it was a lovely flight.
Hainan Airlines
8.2
Very Good
44 reviews
Hainan Airlines
8.2
Very Good
44 reviews
Check prices

Food

8.4

Entertainment

7.5

Comfort

8.0

Overall

8.2

Boarding

8.5

Crew

8.9

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2025

CAN - PEK

Excellent services. The staff were amazing. Although if there was something that I could suggest to improve the services I’d say that snacks and drinks should be offered in between meals. Other than that then it was a lovely flight.
Emirates
8.1
Very Good
3,306 reviews
Hainan Airlines
8.2
Very Good
44 reviews
Check prices

Food

8.4

Entertainment

7.5

Comfort

8.0

Overall

8.2

Boarding

8.5

Crew

8.9

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2025

CAN - PEK

Excellent services. The staff were amazing. Although if there was something that I could suggest to improve the services I’d say that snacks and drinks should be offered in between meals. Other than that then it was a lovely flight.
KLM
7.8
Good
1,382 reviews
Hainan Airlines
8.2
Very Good
44 reviews
Check prices

Food

8.4

Entertainment

7.5

Comfort

8.0

Overall

8.2

Boarding

8.5

Crew

8.9

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2025

CAN - PEK

Excellent services. The staff were amazing. Although if there was something that I could suggest to improve the services I’d say that snacks and drinks should be offered in between meals. Other than that then it was a lovely flight.
Cathay Pacific
7.6
Good
956 reviews
Hainan Airlines
8.2
Very Good
44 reviews
Check prices

Food

8.4

Entertainment

7.5

Comfort

8.0

Overall

8.2

Boarding

8.5

Crew

8.9

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2025

CAN - PEK

Excellent services. The staff were amazing. Although if there was something that I could suggest to improve the services I’d say that snacks and drinks should be offered in between meals. Other than that then it was a lovely flight.
China Southern
7.6
Good
104 reviews
Hainan Airlines
8.2
Very Good
44 reviews
Check prices

Food

8.4

Entertainment

7.5

Comfort

8.0

Overall

8.2

Boarding

8.5

Crew

8.9

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2025

CAN - PEK

Excellent services. The staff were amazing. Although if there was something that I could suggest to improve the services I’d say that snacks and drinks should be offered in between meals. Other than that then it was a lovely flight.

FAQs about flying to Sydney

Sydney airport overview

Sydney Airport, also referred to as Kingsford-Smith Airport, is situated in the suburb of Mascot, near Botany Bay, approximately 9km (6 miles) from Sydney, Australia’s largest city and main commercial and tourist hub. It is one of the oldest continuously running airports in the world and, having handled just over 35.9 million passengers in 2010, it is Australia’s busiest aerial hub.

Comprising three passenger terminals, namely International Terminal T1 and Domestic Terminals T2 and T3, Sydney Airport is home to a vast array of world-class shopping and dining venues, as well as a host of facilities and amenities for both tourists and business travellers. Check-in, baggage claims, immigrations, customs and security are generally smooth and painless; however, like most international airports, standard airport processes can slow down during peak times.

In essence, Sydney Airport is clean, efficient and well maintained. Better yet, transport to and from the airport is abundant and therefore makes this airport an ideal gateway for those travelling to Sydney and surrounds.

  • What airport do you fly into for flights to Sydney?

    Booking a flight to Sydney Kingsford Smith (SYD) is your only option if you intend on flying to Sydney. It is only a 4.6 mi journey from Kingsford Smith to Sydney’s city center. On average, Sydney Kingsford Smith has 3 flights from London per day from 30 airlines.

  • Can I find cheaper flights to Sydney 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 Sydney on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to Sydney?

    Based on reviews from Cheapflights users, Hainan Airlines is rated the highest out of the airlines that fly to Sydney.

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

    Sydney Kingsford Smith is currently the cheapest airport to fly to in Sydney. One-way flights to Sydney Kingsford Smith typically cost £30, while return flights cost around £47.

  • How much is a return flight to Sydney?

    A return flight to Sydney will typically cost around £134, however they can be found for as little as £63.

  • Where does the fastest flight to Sydney depart from?

    For those looking to save time traveling to Sydney, London offers the quickest one-way flight (21 hours 25 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. Aerotel Sydney - Inside International Terminal Airport is the closest property to Sydney Kingsford Smith (0.0 mi away from Sydney Kingsford Smith).

See more FAQs

Travelling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Bondi Beach
Coogee
Manly

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