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£438+ 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 28/11. Fares are subject to change and may not be available on all flights or dates of travel.
— SYD
5 Jul — 12 Jul1
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 30 June 2025.

Return from

£693

One-way from

£438

Popular in

December

Cheapest in

May

Average price

£824

Good round-trip deal

£1,005 or less

Good one-way deal

£1,011 or less
Air India
  • Air India
  • 19/9-10/10
  • 2 total stops
  • 55h 45m total
  • London to Sydney
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28/11
  • 28/11
  • 3 total stops
  • 33h 40m 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 June 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 30 June 2025.

Fri 19/909:45LHR - SYD
1 stop23h 15mAir India
Fri 10/1020:30SYD - LHR
1 stop32h 30mAir India
Deal found 28/6£693
Mon 30/618:05LGW - SYD
2 stops52h 35mChina Eastern
Thu 10/711:00SYD - LGW
1 stop28h 40mChina Eastern
Deal found 28/6£694
Sun 7/912:35LGW - SYD
1 stop41h 15mAir China
Sat 4/1019:40SYD - LGW
1 stop43h 55mAir China
Deal found 29/6£694
Sun 19/1019:15LHR - SYD
2 stops28h 10mChina Southern
Tue 11/1122:00SYD - LHR
1 stop31h 15mChina Southern
Deal found 29/6£696
Mon 29/1207:35LGW - SYD
2 stops48h 30mMultiple Airlines
Thu 5/214:00SYD - LGW
2 stops42h 25mMultiple Airlines
Deal found 29/6£697
Tue 28/1021:00LHR - SYD
1 stop29h 35mChina Eastern
Tue 18/1121:30SYD - LHR
1 stop31h 00mChina Eastern
Deal found 30/6£705
Thu 30/1020:25LHR - SYD
1 stop32h 05mAir China
Sat 8/1120:40SYD - LHR
1 stop32h 10mAir China
Deal found 28/6£726
Tue 28/1020:20LGW - SYD
2 stops37h 00mChina Southern
Mon 17/1111:25SYD - LGW
2 stops40h 55mChina Southern
Deal found 30/6£728
Sat 8/1109:40LGW - SYD
1 stop21h 55mEmirates
Sat 22/1106:00SYD - LGW
1 stop40h 40mEmirates
Deal found 29/6£729
Wed 27/815:15STN - SYD
3 stops35h 20mMultiple Airlines
Wed 10/912:50SYD - STN
2 stops34h 15mMultiple Airlines
Deal found 29/6£745
Wed 29/1017:45LCY - SYD
2 stops31h 05mSWISS
Tue 11/1112:15SYD - LCY
2 stops35h 35mSWISS
Deal found 30/6£807
Sat 16/806:00LTN - SYD
2 stops28h 40mMultiple Airlines
Fri 17/1016:40SYD - LTN
2 stops30h 55mMultiple Airlines
Deal found 29/6£823

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 30 June 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

Fri 19/9

09:45-18:00

1 stop23h 15m

Sydney Kingsford Smith

Fri 10/10

20:30-19:00

1 stop32h 30m

£693

LondonSydney

LGW - SYD

LGWSYD

London Gatwick

Sun 7/9

12:35-14:50

1 stop41h 15m

Sydney Kingsford Smith

Sat 4/10

19:40-06:35

1 stop43h 55m

£694

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Sun 19/10

19:15-09:25

2 stops28h 10m

Sydney Kingsford Smith

Tue 11/11

22:00-18:15

1 stop31h 15m

£696

LondonSydney

LGW - SYD

LGWSYD

London Gatwick

Thu 30/10

10:30-13:35

1 stop40h 05m

Sydney Kingsford Smith

Wed 5/11

12:00-06:30

1 stop29h 30m

£698

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Tue 28/10

21:00-13:35

1 stop29h 35m

Sydney Kingsford Smith

Tue 18/11

21:30-17:30

1 stop31h 00m

£705

LondonSydney

LGW - SYD

LGWSYD

London Gatwick

Mon 3/11

10:30-22:20

2 stops48h 50m

Sydney Kingsford Smith

Mon 17/11

12:00-06:30

1 stop29h 30m

£709

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Thu 30/10

20:25-15:30

1 stop32h 05m

Sydney Kingsford Smith

Sat 8/11

20:40-17:50

1 stop32h 10m

£726

LondonSydney

LGW - SYD

LGWSYD

London Gatwick

Tue 28/10

20:20-20:20

2 stops37h 00m

Sydney Kingsford Smith

Mon 17/11

11:25-17:20

2 stops40h 55m

£728

LondonSydney

LGW - SYD

LGWSYD

London Gatwick

Sat 8/11

09:40-18:35

1 stop21h 55m

Sydney Kingsford Smith

Sat 22/11

06:00-11:40

1 stop40h 40m

£729

LondonSydney

STN - SYD

STNSYD

London Stansted

Wed 27/8

15:15-11:35

3 stops35h 20m

Sydney Kingsford Smith

Wed 10/9

12:50-14:05

2 stops34h 15m

£745

Flights are sorted by cheapest return flights first.

Deals found on 29/6

Showing 1-10 of 29 results
1
2
3

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 27 June 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 7 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 Singapore Airlines, China Southern and Cathay Pacific.

Emirates
Emirates
From £1,016
Singapore Airlines
Singapore Airlines
From £1,079
Etihad Airways
Etihad Airways
From £968
China Southern
China Southern
From £692

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 30 June 2025.
See what other customers who have flown with Emirates, China Southern, andSWISS to Australia have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Emirates
8.1
Very Good
3,285 reviews
Check prices

Boarding

8.1

Overall

8.1

Food

7.8

Comfort

8.0

Crew

8.3

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Jun 2025

ATH - EWR

Best flight I taken. Airline stewards were very attentive and creative a very comfortable environment. Food was plentiful, gave a variety for each meal and delicious.
Emirates
8.1
Very Good
3,285 reviews
Emirates
8.1
Very Good
3,285 reviews
Check prices

Boarding

8.1

Overall

8.1

Food

7.8

Comfort

8.0

Crew

8.3

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Jun 2025

ATH - EWR

Best flight I taken. Airline stewards were very attentive and creative a very comfortable environment. Food was plentiful, gave a variety for each meal and delicious.
China Southern
7.6
Good
100 reviews
Emirates
8.1
Very Good
3,285 reviews
Check prices

Boarding

8.1

Overall

8.1

Food

7.8

Comfort

8.0

Crew

8.3

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Jun 2025

ATH - EWR

Best flight I taken. Airline stewards were very attentive and creative a very comfortable environment. Food was plentiful, gave a variety for each meal and delicious.
SWISS
7.5
Good
1,654 reviews
Emirates
8.1
Very Good
3,285 reviews
Check prices

Boarding

8.1

Overall

8.1

Food

7.8

Comfort

8.0

Crew

8.3

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Jun 2025

ATH - EWR

Best flight I taken. Airline stewards were very attentive and creative a very comfortable environment. Food was plentiful, gave a variety for each meal and delicious.
Air China
7.2
Good
92 reviews
Emirates
8.1
Very Good
3,285 reviews
Check prices

Boarding

8.1

Overall

8.1

Food

7.8

Comfort

8.0

Crew

8.3

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Jun 2025

ATH - EWR

Best flight I taken. Airline stewards were very attentive and creative a very comfortable environment. Food was plentiful, gave a variety for each meal and delicious.
China Eastern
7.1
Good
152 reviews
Emirates
8.1
Very Good
3,285 reviews
Check prices

Boarding

8.1

Overall

8.1

Food

7.8

Comfort

8.0

Crew

8.3

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Jun 2025

ATH - EWR

Best flight I taken. Airline stewards were very attentive and creative a very comfortable environment. Food was plentiful, gave a variety for each meal and delicious.

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 £21, while return flights cost around £44.

  • How much is a return flight to Sydney?

    A return flight to Sydney will typically cost around £193, however they can be found for as little as £61.

  • 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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