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£472+ 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 15/4. Fares are subject to change and may not be available on all flights or dates of travel.
— SYD
22 Jan — 29 Jan1
1 adult
1 adult, Economy, 0 bags

Flights to Sydney in 2025

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 23 December 2025.

Wed 31/1211:35LGW - SYD
1 stop40h 55mAir China
Sat 31/114:00SYD - LGW
1 stop26h 35mAir China
Deal found 22/12£771
Wed 31/1217:00LGW - SYD
1 stop33h 35mChina Eastern
Sun 1/210:30SYD - LGW
1 stop31h 00mChina Eastern
Deal found 22/12£774
Thu 25/1221:00LHR - SYD
1 stop26h 00mChina Eastern
Thu 15/112:00SYD - LHR
1 stop40h 30mChina Eastern
Deal found 22/12£783
Sun 28/1220:25LHR - SYD
1 stop32h 05mAir China
Thu 22/120:40SYD - LHR
1 stop30h 15mAir China
Deal found 22/12£790
Thu 25/1222:00LHR - SYD
1 stop28h 35mChina Southern
Mon 19/115:15SYD - LHR
1 stop38h 20mChina Southern
Deal found 22/12£791
Sun 28/1211:35LGW - SYD
1 stop40h 55mAir China
Wed 14/120:40SYD - LGW
1 stop43h 55mAir China
Deal found 22/12£800
Wed 31/1221:00LHR - SYD
1 stop29h 35mChina Eastern
Sun 1/221:30SYD - LHR
1 stop31h 00mChina Eastern
Deal found 22/12£806
Fri 26/1221:00LHR - SYD
2 stops31h 20mHainan Airlines
Tue 20/121:00SYD - LHR
1 stop30h 20mHainan Airlines
Deal found 22/12£809
Thu 25/1209:55LGW - SYD
1 stop23h 25mChina Southern
Fri 16/111:25SYD - LGW
2 stops40h 55mChina Southern
Deal found 22/12£818
Fri 26/1210:00LGW - SYD
1 stop40h 35mChina Southern
Mon 12/109:20SYD - LGW
2 stops43h 00mChina Southern
Deal found 21/12£833
Sat 27/1220:20LGW - SYD
2 stops47h 15mChina Southern
Fri 16/111:25SYD - LGW
2 stops40h 55mChina Southern
Deal found 22/12£841
Wed 31/1222:00LHR - SYD
1 stop28h 35mChina Southern
Sat 31/115:15SYD - LHR
1 stop38h 20mChina Southern
Deal found 22/12£845

Find flight deals to Sydney

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 23 December 2025.

Return from

£764

One-way from

£472

Popular in

December

Cheapest in

May

Average price

£1,317

Good round-trip deal

£1,038 or less

Good one-way deal

£999 or less
China Southern
  • China Southern
  • 1/3-26/3
  • 3 total stops
  • 68h 00m total
  • London to Sydney
Search Deals
China Eastern
  • China Eastern
  • 15/4
  • 1 total stop
  • 30h 15m total
  • London to Sydney
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (£99 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£33 potential savings vs. average return price).
Search Deals
Average for return flights in December 2025
Search Deals
Price to beat on a round-trip flight from London to Sydney Kingsford Smith.
Search Deals
Price to beat on a one-way flight from London to Sydney Kingsford Smith.
Search Deals

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 23 December 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

LTN - SYD

LTNSYD

London Luton

Thu 22/1

14:55-06:30

2 stops28h 35m

Sydney Kingsford Smith

Thu 29/1

10:30-10:20

2 stops34h 50m

£806

LondonSydney

LGW - SYD

LGWSYD

London Gatwick

Sat 31/1

10:30-06:30

1 stop33h 00m

Sydney Kingsford Smith

Sat 7/2

10:30-06:30

1 stop31h 00m

£809

LondonSydney

LTN - SYD

LTNSYD

London Luton

Tue 3/3

14:00-12:20

3 stops35h 20m

Sydney Kingsford Smith

Wed 11/3

20:05-18:40

2 stops33h 35m

£824

LondonSydney

SEN - SYD

SENSYD

London Southend

Thu 22/1

14:35-06:30

2 stops28h 55m

Sydney Kingsford Smith

Thu 29/1

12:00-12:50

2 stops35h 50m

£830

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Fri 15/5

19:30-10:20

2 stops29h 50m

Sydney Kingsford Smith

Fri 12/6

14:35-08:20

2 stops26h 45m

£838

LondonSydney

SEN - SYD

SENSYD

London Southend

Mon 9/3

12:20-10:25

2 stops35h 05m

Sydney Kingsford Smith

Wed 18/3

13:35-21:00

3 stops42h 25m

£855

LondonSydney

LGW - SYD

LGWSYD

London Gatwick

Wed 4/2

17:00-06:30

1 stop26h 30m

Sydney Kingsford Smith

Thu 12/2

10:30-06:30

1 stop31h 00m

£881

LondonSydney

LGW - SYD

LGWSYD

London Gatwick

Wed 4/2

17:00-06:30

1 stop26h 30m

Sydney Kingsford Smith

Wed 11/2

12:00-06:30

1 stop29h 30m

£881

LondonSydney

STN - SYD

STNSYD

London Stansted

Sat 7/2

10:15-08:35

3 stops35h 20m

Sydney Kingsford Smith

Tue 3/3

21:50-22:15

2 stops35h 25m

£882

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Tue 3/2

08:45-19:15

1 stop23h 30m

Sydney Kingsford Smith

Tue 24/2

20:45-20:30

1 stop34h 45m

£908

Flights are sorted by cheapest return flights first.

Deals found on 21/12

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 19 December 2025.

Booking 57 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 24 hours 35 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 Saturday at midday, 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 Cathay Pacific, Singapore Airlines and Etihad Airways.

Etihad Airways
Etihad Airways
From £714
Emirates
Emirates
From £732
Cathay Pacific
Cathay Pacific
From £747
Qatar Airways
Qatar Airways
From £791

What are the cheapest airlines that fly to Sydney?

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

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 23 December 2025.
See what other customers who have flown with Cathay Pacific, China Southern, andEtihad Airways to Australia have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Cathay Pacific
7.6
Good
1,103 reviews
Check prices

Boarding

7.9

Comfort

7.6

Entertainment

7.8

Food

7.3

Crew

8.1

Overall

7.6

Reviews

1 / 20
6.0
Good

Anonymous,Sept 2025

PNH - HKG

Everything was good except the typhoon that cause cancelation of my return flight with i had not got any compensation for
Cathay Pacific
7.6
Good
1,103 reviews
Cathay Pacific
7.6
Good
1,103 reviews
Check prices

Boarding

7.9

Comfort

7.6

Entertainment

7.8

Food

7.3

Crew

8.1

Overall

7.6

Reviews

1 / 20
6.0
Good

Anonymous,Sept 2025

PNH - HKG

Everything was good except the typhoon that cause cancelation of my return flight with i had not got any compensation for
China Southern
7.5
Good
123 reviews
Cathay Pacific
7.6
Good
1,103 reviews
Check prices

Boarding

7.9

Comfort

7.6

Entertainment

7.8

Food

7.3

Crew

8.1

Overall

7.6

Reviews

1 / 20
6.0
Good

Anonymous,Sept 2025

PNH - HKG

Everything was good except the typhoon that cause cancelation of my return flight with i had not got any compensation for
Etihad Airways
7.4
Good
1,336 reviews
Cathay Pacific
7.6
Good
1,103 reviews
Check prices

Boarding

7.9

Comfort

7.6

Entertainment

7.8

Food

7.3

Crew

8.1

Overall

7.6

Reviews

1 / 20
6.0
Good

Anonymous,Sept 2025

PNH - HKG

Everything was good except the typhoon that cause cancelation of my return flight with i had not got any compensation for
China Eastern
7.2
Good
179 reviews
Cathay Pacific
7.6
Good
1,103 reviews
Check prices

Boarding

7.9

Comfort

7.6

Entertainment

7.8

Food

7.3

Crew

8.1

Overall

7.6

Reviews

1 / 20
6.0
Good

Anonymous,Sept 2025

PNH - HKG

Everything was good except the typhoon that cause cancelation of my return flight with i had not got any compensation for
Air India
5.5
Fair
2,956 reviews
Cathay Pacific
7.6
Good
1,103 reviews
Check prices

Boarding

7.9

Comfort

7.6

Entertainment

7.8

Food

7.3

Crew

8.1

Overall

7.6

Reviews

1 / 20
6.0
Good

Anonymous,Sept 2025

PNH - HKG

Everything was good except the typhoon that cause cancelation of my return flight with i had not got any compensation for

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 £38, while return flights cost around £29.

  • How much is a return flight to Sydney?

    A return flight to Sydney will typically cost around £94, however they can be found for as little as £29.

  • 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).

  • Which airport is closest to Paddy's Market?

    f being close to Paddy's Market is important to you, you’ll want to land at Sydney Kingsford Smith Airport.

  • 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
Wollongong
Coogee
Manly

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Yes, Cheapflights offers price alerts on Sydney flights so you can book your flight when prices are ideal. Enable price alerts by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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