£439+ 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 6/11. Fares are subject to change and may not be available on all flights or dates of travel.
— SYD
23 nov — 30 nov1
1 adult
1 adult, Economy, 0 bags

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 24 ottobre 2025.

Return from

£702

One-way from

£439

Popular in

December

Cheapest in

May

Average price

£899

Good round-trip deal

£1,198 or less

Good one-way deal

£1,074 or less
Hainan Airlines
  • Hainan Airlines
  • 19/11-29/11
  • 3 total stops
  • 67h 10m total
  • London to Sydney
China Eastern
  • China Eastern
  • 6/11
  • 3 total stops
  • 37h 30m total
  • London to Sydney
Highest demand for flights based on searches. 9% potential increase in price (£103 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 October 2025
Price to beat on a round-trip flight from London to Sydney Kingsford Smith.
Price to beat on a one-way flight from London to Sydney Kingsford Smith.

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 24 ottobre 2025.

mer 19/1122:00LHR - SYD
2 stops35h 15mMultiple Airlines
sab 29/1121:00SYD - LHR
1 stop31h 55mMultiple Airlines
Deal found 22/10£702
lun 3/1122:00LHR - SYD
1 stop35h 20mChina Southern
dom 30/1111:25SYD - LHR
1 stop42h 10mChina Southern
Deal found 22/10£707
sab 22/1121:30LHR - SYD
2 stops35h 50mChina Southern
sab 29/1122:10SYD - LHR
2 stops55h 25mChina Southern
Deal found 23/10£709
sab 8/1122:00LHR - SYD
1 stop35h 20mMultiple Airlines
ven 21/1116:50SYD - LHR
1 stop37h 10mMultiple Airlines
Deal found 23/10£709
lun 29/1217:00LGW - SYD
2 stops55h 00mChina Eastern
sab 17/113:30SYD - LGW
2 stops59h 30mChina Eastern
Deal found 23/10£710
dom 9/1117:15LHR - SYD
2 stops29h 10mChina Southern
sab 22/1111:25SYD - LHR
1 stop42h 10mChina Southern
Deal found 23/10£710
lun 10/1110:30LGW - SYD
1 stop40h 05mChina Eastern
lun 2/321:30SYD - LGW
1 stop44h 00mChina Eastern
Deal found 23/10£711
mer 19/1110:30LGW - SYD
1 stop40h 05mMultiple Airlines
mer 26/1114:30SYD - LGW
2 stops43h 05mMultiple Airlines
Deal found 22/10£712
lun 10/1108:50LHR - SYD
2 stops47h 00mMultiple Airlines
mer 4/320:05SYD - LHR
2 stops45h 35mMultiple Airlines
Deal found 23/10£712
dom 9/1121:00LHR - SYD
3 stops75h 00mChina Eastern
sab 22/1113:30SYD - LHR
2 stops39h 00mChina Eastern
Deal found 23/10£714
ven 7/1110:30LGW - SYD
3 stops37h 30mMultiple Airlines
sab 15/1121:15SYD - LGW
2 stops36h 20mMultiple Airlines
Deal found 22/10£715
lun 10/1121:00LHR - SYD
2 stops51h 00mChina Eastern
sab 29/1113:30SYD - LHR
2 stops39h 00mChina Eastern
Deal found 23/10£715

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 24 ottobre 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

LHR - SYD

LHRSYD

London Heathrow

lun 16/3

20:55-06:35

1 stop22h 40m

Sydney Kingsford Smith

ven 8/5

21:30-12:45

1 stop24h 15m

£844

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

dom 22/3

20:55-06:35

1 stop22h 40m

Sydney Kingsford Smith

ven 8/5

21:30-12:45

1 stop24h 15m

£844

LondonSydney

LTN - SYD

LTNSYD

London Luton

lun 29/12

14:55-15:30

3 stops37h 35m

Sydney Kingsford Smith

lun 9/2

15:55-16:20

3 stops35h 25m

£856

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

ven 27/2

19:20-06:35

1 stop24h 15m

Sydney Kingsford Smith

mar 17/3

21:30-14:30

1 stop28h 00m

£865

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

sab 7/2

21:15-12:15

1 stop28h 00m

Sydney Kingsford Smith

lun 23/2

22:10-16:55

1 stop29h 45m

£869

LondonSydney

LTN - SYD

LTNSYD

London Luton

lun 24/11

13:25-10:25

2 stops34h 00m

Sydney Kingsford Smith

lun 1/12

08:25-16:20

3 stops42h 55m

£877

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

mer 11/2

08:50-06:35

1 stop34h 45m

Sydney Kingsford Smith

gio 26/2

21:30-14:30

1 stop28h 00m

£877

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

sab 7/2

21:15-12:15

1 stop28h 00m

Sydney Kingsford Smith

ven 27/2

22:10-16:55

1 stop29h 45m

£882

LondonSydney

LGW - SYD

LGWSYD

London Gatwick

ven 6/3

14:05-06:50

1 stop29h 45m

Sydney Kingsford Smith

lun 16/3

15:50-05:55

1 stop25h 05m

£886

LondonSydney

LGW - SYD

LGWSYD

London Gatwick

ven 6/3

14:05-06:50

1 stop29h 45m

Sydney Kingsford Smith

mar 17/3

15:50-05:55

1 stop25h 05m

£886

Flights are sorted by cheapest return flights first.

Deals found on 23/10

Showing 1-10 of 60 results
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2
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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 17 October 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 18 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.

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 24 ottobre 2025.
See what other customers who have flown with Emirates, Cathay Pacific, andEtihad Airways to Australia have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

8.2

Food

7.9

Comfort

8.0

Overall

8.1

Crew

8.3

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

DXB - ORD

Overall it was wonderfull for the amount I paid for.

Entertainment

8.2

Food

7.9

Comfort

8.0

Overall

8.1

Crew

8.3

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

DXB - ORD

Overall it was wonderfull for the amount I paid for.

Entertainment

8.2

Food

7.9

Comfort

8.0

Overall

8.1

Crew

8.3

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

DXB - ORD

Overall it was wonderfull for the amount I paid for.

Entertainment

8.2

Food

7.9

Comfort

8.0

Overall

8.1

Crew

8.3

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

DXB - ORD

Overall it was wonderfull for the amount I paid for.

Entertainment

8.2

Food

7.9

Comfort

8.0

Overall

8.1

Crew

8.3

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

DXB - ORD

Overall it was wonderfull for the amount I paid for.

Entertainment

8.2

Food

7.9

Comfort

8.0

Overall

8.1

Crew

8.3

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

DXB - ORD

Overall it was wonderfull for the amount I paid 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 1 flight 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 £28, while return flights cost around £32.

  • How much is a return flight to Sydney?

    A return flight to Sydney will typically cost around £174, however they can be found for as little as £32.

  • 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
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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