What are the cheapest airlines flying from London to Sydney round-trip?

Currently priced at $878, China Southern will fly you from London to Sydney and back. In addition to China Southern, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from China Eastern and Turkish Airlines - these airlines can fly you to your destination from $917 and $1,027, respectively. These flights start at 32% lower than the current average price 3 months from now.

What are the cheapest airlines to fly from London to Sydney one-way?

The cheapest airline one-way is Tianjin Airlines, with whom users have recently found tickets for as low as $559. However, be on the lookout for offers from Etihad Airways and Air China, as they are both options that can get you from London to Sydney for a low price.

What are the cheapest flights from London to Sydney?

Looking at all options, your cheapest flight can be booked for $1,490. While the most popular route (London Heathrow - Sydney Kingsford Smith) can be booked for $747 on average our data indicates $1,490 when flying from London to Sydney.

What are the most popular airlines that fly from London to Sydney?

Consider British Airways, Air China or Cathay Pacific when booking your flight. These represent the most popular airlines when flying from London to Sydney.

What is the cheapest day to fly round-trip from London to Sydney?

Users have found that flying from London to Sydney on a Thursday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

How far in advance should I book a flight from London to Sydney?

Travelers have found it’s best to book a flight 53 days in advance to save up to 42% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 53 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from London to Sydney 1-2 weeks in advance for as low as $1,261, or $1,409 for flights within the next 24 hours.

What is the cheapest month to fly from London to Sydney?

Our data shows that May tends to be the cheapest month to fly to Sydney from London. Users have commonly found prices around $1,296 for the month, but tickets can be as low as $632. Due to multiple factors, prepare for potentially higher prices in December.

Most accurate provider : When it comes to deals on London-Sydney flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on London-Sydney flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from London-Sydney flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on London-Sydney flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for London-Sydney flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airport do you fly into for flights to Sydney from London?

Most people fly into Sydney Kingsford Smith (SYD) if they book a flight to Sydney from London. On average, Kingsford Smith has 2 inbound flights from London per day from 8 airlines. Sydney Kingsford Smith is conveniently located just 4.6 mi from Sydney’s city center.

Can I find deals for flights from London to Sydney that include hotel bookings?

Yes. In addition to deals on London to Sydney flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from London to Sydney?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Sydney.

Can I find deals for business class flights from London to Sydney?

Yes. Cheapflights offers flight deals from London to Sydney by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$533+ Flights from London to Sydney

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Find cheap flights from London to Sydney with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from London to Sydney Kingsford Smith are usually found in May or March, booked 52 days in advance, depart on a Wednesday or Monday and return on a Tuesday

Cheap flight deals from London to Sydney

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$878 (China Southern)
One-way from	$533 (Connections by easyJet)
Popular in	December
Cheapest in	May
Average price	$1,094
Good round-trip deal	$1,490 or less

Provider with most accurate pricing for London (LON)-Sydney Kingsford Smith flight deals.

Search Deals

Provider most trusted by Cheapflights users for London (LON)-Sydney Kingsford Smith flights.

Search Deals

From London (LON) to Sydney Kingsford Smith

Search Deals

One-way flight from London (LON) to Sydney Kingsford Smith

Search Deals

Highest demand for flights based on searches. 9% potential increase in price ($142 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($40 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in March 2025

Search Deals

Price to beat on a round-trip flight from London (LON) to Sydney Kingsford Smith.

Search Deals

Find flight deals from London to Sydney

Cheapest flights from London to Sydney
Explore the most affordable flight options available from London to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 26, 2025.

Tue 5/139:00 pmLHR - SYD

2 stops37h 40mChina Southern

Mon 5/268:45 amSYD - LHR

2 stops42h 20mChina Southern

Deal found 3/25

$878

Sat 5/109:30 pmLGW - SYD

2 stops37h 10mChina Southern

Sun 6/19:45 pmSYD - LGW

2 stops53h 45mChina Southern

Deal found 3/25

$880

Sat 5/1011:35 amLGW - SYD

1 stop40h 00mChina Eastern

Sun 6/18:30 pmSYD - LGW

1 stop43h 10mChina Eastern

Deal found 3/25

$917

Sat 5/109:20 pmLHR - SYD

1 stop30h 15mChina Eastern

Sun 6/18:30 pmSYD - LHR

1 stop31h 10mChina Eastern

Deal found 3/25

$957

Tue 11/48:25 pmLHR - SYD

1 stop32h 05mAir China

Sat 11/228:40 pmSYD - LHR

1 stop30h 15mAir China

Deal found 3/25

$1,008

Wed 4/305:30 amLGW - SYD

2 stops28h 30mTurkish Airlines

Tue 5/138:55 pmSYD - LGW

2 stops28h 20mTurkish Airlines

Deal found 3/25

$1,027

Sat 5/102:40 pmLHR - SYD

3 stops35h 55mMultiple Airlines

Sun 6/17:40 pmSYD - LHR

1 stop33h 50mMultiple Airlines

Deal found 3/25

$1,033

Mon 9/225:30 pmLHR - SYD

2 stops27h 40mLufthansa

Mon 10/134:00 pmSYD - LHR

2 stops26h 15mLufthansa

Deal found 3/25

$1,036

Tue 10/215:50 amLGW - SYD

2 stops52h 40mMultiple Airlines

Sun 11/92:00 pmSYD - LGW

2 stops43h 15mMultiple Airlines

Deal found 3/25

$1,040

Tue 9/237:50 pmLHR - SYD

1 stop27h 25mVietnam Airlines

Mon 10/1311:15 amSYD - LHR

1 stop40h 35mVietnam Airlines

Deal found 3/25

$1,044

Wed 9/35:10 pmLHR - SYD

2 stops38h 35mSWISS

Wed 10/84:00 pmSYD - LHR

2 stops34h 25mSWISS

Deal found 3/25

$1,045

Wed 4/306:30 amLHR - SYD

2 stops27h 30mTurkish Airlines

Tue 5/138:55 pmSYD - LHR

2 stops28h 45mTurkish Airlines

Deal found 3/25

$1,067

Best flights from London to Sydney
Discover carefully curated flight deals from London to Sydney that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 26, 2025.

Tue 5/139:00 pmLHR - SYD

2 stops37h 40mChina Southern

Mon 5/268:45 amSYD - LHR

2 stops42h 20mChina Southern

Deal found 3/25

$878

Sat 5/1011:35 amLGW - SYD

1 stop40h 00mChina Eastern

Sun 6/18:30 pmSYD - LGW

1 stop43h 10mChina Eastern

Deal found 3/25

$917

Wed 4/305:30 amLGW - SYD

2 stops28h 30mTurkish Airlines

Tue 5/138:55 pmSYD - LGW

2 stops28h 20mTurkish Airlines

Deal found 3/25

$1,027

Sat 5/102:40 pmLHR - SYD

3 stops35h 55mMultiple Airlines

Sun 6/17:40 pmSYD - LHR

1 stop33h 50mMultiple Airlines

Deal found 3/25

$1,033

Mon 9/225:30 pmLHR - SYD

2 stops27h 40mLufthansa

Mon 10/134:00 pmSYD - LHR

2 stops26h 15mLufthansa

Deal found 3/25

$1,036

Tue 6/37:50 pmLHR - SYD

1 stop27h 25mVietnam Airlines

Wed 6/1110:15 amSYD - LHR

1 stop39h 40mVietnam Airlines

Deal found 3/25

$1,044

Wed 9/35:10 pmLHR - SYD

2 stops38h 35mSWISS

Wed 10/84:00 pmSYD - LHR

2 stops34h 25mSWISS

Deal found 3/25

$1,045

Fri 5/169:45 amLHR - SYD

1 stop23h 05mAir India

Fri 5/307:20 pmSYD - LHR

1 stop32h 40mAir India

Deal found 3/26

$1,070

Sun 4/209:45 pmLHR - SYD

1 stop35h 15mEtihad Airways

Thu 7/249:30 pmSYD - LHR

1 stop30h 15mEtihad Airways

Deal found 3/26

$1,096

Mon 9/89:10 pmLHR - SYD

1 stop28h 35mChina Airlines

Mon 9/2210:10 pmSYD - LHR

1 stop27h 20mChina Airlines

Deal found 3/25

$1,120

Thu 5/810:15 pmLHR - SYD

1 stop22h 55mCathay Pacific

Fri 5/169:50 pmSYD - LHR

1 stop26h 25mCathay Pacific

Deal found 3/25

$1,142

Fri 5/29:35 pmLHR - SYD

1 stop27h 25mMalaysia Airlines

Sun 5/1110:10 pmSYD - LHR

1 stop27h 25mMalaysia Airlines

Deal found 3/25

$1,165

Last-minute flights from London to Sydney
Discover last-minute flight deals from London to Sydney. Data last updated March 26, 2025 and is based on user searches.

Mon 3/319:00 amLGW - SYD

1 stop23h 10mBritish Airways

Wed 4/238:45 pmSYD - LGW

1 stop42h 55mBritish Airways

Deal found 3/25

$1,686

Mon 3/311:35 pmLHR - SYD

2 stops33h 10mMultiple Airlines

Wed 4/96:20 pmSYD - LHR

3 stops58h 00mMultiple Airlines

Deal found 3/25

$3,454

Mon 3/3110:00 amLGW - SYD

2 stops35h 10mAir Europa

Wed 4/233:40 pmSYD - LGW

2 stops33h 45mAir Europa

Deal found 3/25

$3,546

Mon 3/3110:15 amLGW - SYD

1 stop21h 30mSingapore Airlines

Wed 4/233:00 pmSYD - LGW

1 stop24h 25mSingapore Airlines

Deal found 3/25

$5,063

Mon 3/312:25 pmLHR - SYD

2 stops31h 00mEmirates

Wed 4/239:50 amSYD - LHR

2 stops30h 15mEmirates

Deal found 3/25

$5,485

Wed 4/29:00 amLGW - SYD

1 stop23h 10mQatar Airways

Mon 4/218:45 pmSYD - LGW

1 stop42h 55mQatar Airways

Deal found 3/25

$1,830

Wed 4/22:30 pmLGW - SYD

2 stops30h 55mEmirates

Mon 4/218:10 pmSYD - LGW

1 stop25h 25mEmirates

Deal found 3/25

$3,192

Thu 4/39:00 amLHR - SYD

2 stops38h 15mVietnam Airlines

Mon 4/142:15 pmSYD - LHR

2 stops59h 40mVietnam Airlines

Deal found 3/25

$3,198

Thu 4/35:30 amLGW - SYD

2 stops28h 30mTurkish Airlines

Mon 4/141:05 pmSYD - LGW

2 stops29h 50mTurkish Airlines

Deal found 3/25

$10,596

Sat 4/511:25 amLHR - SYD

2 stops58h 30mUnited Airlines

Sat 4/199:30 amSYD - LHR

1 stop34h 40mUnited Airlines

Deal found 3/25

$1,399

Sat 4/55:10 pmLHR - SYD

3 stops28h 20mKLM

Fri 4/189:25 amSYD - LHR

2 stops37h 25mKLM

Deal found 3/25

$2,832

Sat 4/54:10 pmLHR - SYD

2 stops53h 15mFinnair

Fri 4/1810:45 amSYD - LHR

2 stops31h 25mFinnair

Deal found 3/25

$5,130

One-way flights from London to Sydney
Search for one-way flight options from London to Sydney. Find affordable one-way fares based on user searches. Data last updated March 26, 2025.

Sat 5/314:10 pmLGW - SYD

2 stops42h 20mMultiple Airlines

Deal found 3/25

$533

Sun 5/45:30 pmLHR - SYD

3 stops51h 35mMultiple Airlines

Deal found 3/25

$554

Sat 5/3110:00 pmLHR - SYD

1 stop31h 40mTianjin Airlines

Deal found 3/26

$559

Sun 5/49:30 amLHR - SYD

1 stop23h 30mEtihad Airways

Deal found 3/25

$580

Sun 6/1512:35 pmLGW - SYD

1 stop41h 15mAir China

Deal found 3/25

$583

Sun 9/76:00 amLHR - SYD

2 stops39h 10mSWISS

Deal found 3/26

$762

Thu 6/56:40 pmLGW - SYD

2 stops26h 30mSWISS

Deal found 3/25

$773

Wed 4/28:05 amLHR - SYD

1 stop24h 05mQatar Airways

Deal found 3/25

$868

Thu 9/187:10 pmLHR - SYD

2 stops32h 05mVietnam Airlines

Deal found 3/25

$871

Wed 4/910:15 amLHR - SYD

2 stops36h 05mAir Canada

Deal found 3/25

$886

Wed 7/26:30 amLHR - SYD

2 stops43h 15mChina Airlines

Deal found 3/25

$919

Fri 7/49:35 pmLHR - SYD

1 stop27h 25mMalaysia Airlines

Deal found 3/25

$927

Cheapflights Fare Finder

Use the filters below to find and compare flights from London to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Tue 5/13

9:00 pm-7:40 pm

2 stops37h 40m

Sydney Kingsford Smith

Mon 5/26

8:45 am-6:05 pm

2 stops42h 20m

$878

LondonSydney

LGW - SYD

LGWSYD

London Gatwick

Sat 5/10

9:30 pm-7:40 pm

2 stops37h 10m

Sydney Kingsford Smith

Sun 6/1

9:45 pm-6:30 pm

2 stops53h 45m

$880

LondonSydney

LGW - SYD

LGWSYD

London Gatwick

Sat 5/10

11:35 am-12:35 pm

1 stop40h 00m

Sydney Kingsford Smith

Sun 6/1

8:30 pm-6:40 am

1 stop43h 10m

$917

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Sat 5/10

9:20 pm-12:35 pm

1 stop30h 15m

Sydney Kingsford Smith

Sun 6/1

8:30 pm-6:40 pm

1 stop31h 10m

$957

LondonSydney

LGW - SYD

LGWSYD

London Gatwick

Wed 4/30

5:30 am-7:00 pm

2 stops28h 30m

Sydney Kingsford Smith

Tue 5/13

8:55 pm-4:15 pm

2 stops28h 20m

$1,027

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Sat 5/10

2:40 pm-11:35 am

3 stops35h 55m

Sydney Kingsford Smith

Sun 6/1

7:40 pm-8:30 pm

1 stop33h 50m

$1,033

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Mon 9/22

5:30 pm-6:10 am

2 stops27h 40m

Sydney Kingsford Smith

Mon 10/13

4:00 pm-8:15 am

2 stops26h 15m

$1,036

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Tue 6/3

7:50 pm-8:15 am

1 stop27h 25m

Sydney Kingsford Smith

Wed 6/11

10:15 am-4:55 pm

1 stop39h 40m

$1,044

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Wed 9/3

5:10 pm-4:45 pm

2 stops38h 35m

Sydney Kingsford Smith

Wed 10/8

4:00 pm-4:25 pm

2 stops34h 25m

$1,045

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Wed 4/30

6:30 am-7:00 pm

2 stops27h 30m

Sydney Kingsford Smith

Tue 5/13

8:55 pm-4:40 pm

2 stops28h 45m

$1,067

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/25

Showing 1-10 of 48 results

...

Compare providers for flights from London to Sydney

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from London to Sydney in March.

Provider	Price Accuracy	Trust Score*
eDreams	Price Accuracy3 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
Justfly.com	Price Accuracy3 stars	Trust Score*3 stars
Gotogate	Price Accuracy3 stars	Trust Score*3 stars
oojo	Price Accuracy3 stars	Trust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on London-Sydney flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on London-Sydney flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from London-Sydney flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on London-Sydney flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for London-Sydney flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from London to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from London with our price prediction graph.

Estimated round-trip 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 from London to Sydney

How far ahead should I book a flight from London to Sydney?

Booking 52 days in advance of your planned departure date is, on average, the best time to get cheap flights from London to Sydney. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from London to Sydney?

Currently, March is the cheapest month in which you can book a flight from London to Sydney (average of $1,044). Flying from London to Sydney in December is currently the most expensive (average of $1,643). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from LON to SYD?

A simple way to save on the total cost of your ticket is to fly from London to Sydney in the afternoon. If you’re flexible enough to do this you can expect to save up to 32% on your trip compared to booking a flight in the evening.

What is the cheapest day to fly from London to Sydney?

Travelers seeking maximum savings on their London to Sydney flight should consider departing on Sunday afternoons when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Sydney by month

In terms of precipitation, rainfall in Sydney ranges from 2.0 - 5.1 inches per month. March is typically the wettest month, when rainfall can reach 5.1 in. September is typically the driest time to visit Sydney when rainfall is around 2.0 in.

Temperature in Sydney 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 71.6 F. Travelers looking to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 51.8 F).

Reviews of airlines servicing Sydney

Read through reviews of airlines operating flights from London to Sydney, such as Korean Air, Garuda Indonesia and China Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Korean Air

8.4

Very good

1,049 reviews

Reviews

1 / 20

10.0

Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.

Korean Air

8.4

Very good

1,049 reviews

Korean Air

8.4

Very good

1,049 reviews

Reviews

1 / 20

10.0

Excellent

Chris,Mar 2025

SEA - ICN

Garuda Indonesia

8.2

Very good

71 reviews

Korean Air

8.4

Very good

1,049 reviews

Reviews

1 / 20

10.0

Excellent

Chris,Mar 2025

SEA - ICN

China Airlines

8.2

Very good

722 reviews

Korean Air

8.4

Very good

1,049 reviews

Reviews

1 / 20

10.0

Excellent

Chris,Mar 2025

SEA - ICN

Singapore Airlines

8.1

Very good

1,284 reviews

Korean Air

8.4

Very good

1,049 reviews

Reviews

1 / 20

10.0

Excellent

Chris,Mar 2025

SEA - ICN

Related info for your journey

What airport do you fly into for flights to Sydney from London?
Most people fly into Sydney Kingsford Smith (SYD) if they book a flight to Sydney from London. On average, Kingsford Smith has 2 inbound flights from London per day from 8 airlines. Sydney Kingsford Smith is conveniently located just 4.6 mi from Sydney’s city center.
What are the cheapest airlines flying from London to Sydney round-trip?
Currently priced at $878, China Southern will fly you from London to Sydney and back. In addition to China Southern, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from China Eastern and Turkish Airlines - these airlines can fly you to your destination from $917 and $1,027, respectively. These flights start at 32% lower than the current average price 3 months from now.
What are the cheapest airlines to fly from London to Sydney one-way?
The cheapest airline one-way is Tianjin Airlines, with whom users have recently found tickets for as low as $559. However, be on the lookout for offers from Etihad Airways and Air China, as they are both options that can get you from London to Sydney for a low price.
What are the cheapest flights from London to Sydney?
Looking at all options, your cheapest flight can be booked for $1,490. While the most popular route (London Heathrow - Sydney Kingsford Smith) can be booked for $747 on average our data indicates $1,490 when flying from London to Sydney.
Can I find deals for flights from London to Sydney that include hotel bookings?
Yes. In addition to deals on London to Sydney flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from London to Sydney?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Sydney.
Can I find deals for business class flights from London to Sydney?
Yes. Cheapflights offers flight deals from London to Sydney by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from London to Sydney?
Currently, March is the cheapest month in which you can book a flight from London to Sydney (average of $1,044). Flying from London to Sydney in December is currently the most expensive (average of $1,643). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Wollongong

Parramatta

Coogee

Manly

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Other flights to Sydney

Top 8 airlines flying from London to Sydney

Airline	Cheapest	Average	Flexibility	On-time
Air China	Cheapest$747	Average$960	FlexibilityNo cancel fee	On-time67%
China Southern	Cheapest$766	Average$946	FlexibilityNo cancel fee	On-time69%
Etihad Airways	Cheapest$1,029	Average$1,577	FlexibilityNo cancel fee	On-time75%
Cathay Pacific	Cheapest$1,107	Average$1,544	FlexibilityNo cancel fee	On-time72%
Malaysia Airlines	Cheapest$1,147	Average$1,652	FlexibilityNo cancel fee	On-time67%
Singapore Airlines	Cheapest$1,181	Average$1,473	FlexibilityNo cancel fee	On-time81%
Qantas Airways	Cheapest$1,197	Average$1,438	FlexibilityNo cancel fee	On-time74%
British Airways	Cheapest$1,253	Average$1,490	FlexibilityNo cancel fee	On-time70%

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$533+ Cheap flights from London (LON) to Sydney (SYD)

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 5/31. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from London to Sydney with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from London to Sydney Kingsford Smith are usually found in May or March, booked 52 days in advance, depart on a Wednesday or Monday and return on a Tuesday

Cheap flight deals from London to Sydney

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Find flight deals from London to Sydney

Cheapest flights from London to SydneyExplore the most affordable flight options available from London to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 26, 2025.

Explore the most affordable flight options available from London to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 26, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from London to Sydney that are best for you.

Compare providers for flights from London to Sydney

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from London to Sydney in March.

Best time to book a flight from London to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from London with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from London to Sydney

How far ahead should I book a flight from London to Sydney?

Use this chart to determine the optimal time to book a round-trip flight from London to Sydney. Price data was last updated on March 21, 2025.

What is the cheapest month to book a flight from London to Sydney?

What is the cheapest time of day to fly from LON to SYD?

Find hourly flight availability from London to Sydney. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 26, 2025.

What is the cheapest day to fly from London to Sydney?

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

Rainfall in Sydney by month

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

Temperature in Sydney by month

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

Reviews of airlines servicing Sydney

Read through reviews of airlines operating flights from London to Sydney, such as Korean Air, Garuda Indonesia and China Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from London to Sydney. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to Sydney from London?

What are the cheapest airlines flying from London to Sydney round-trip?

What are the cheapest airlines to fly from London to Sydney one-way?

What are the cheapest flights from London to Sydney?

Can I find deals for flights from London to Sydney that include hotel bookings?

How can I find direct flights from London to Sydney?

Can I find deals for business class flights from London to Sydney?

What is the cheapest month to book a flight from London to Sydney?

Traveling to a place near London?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for London to Sydney

See prices for flight routes from nearby airports that may be better suited for you.

Top 8 airlines flying from London to Sydney

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Cheapest flights from London to Sydney
Explore the most affordable flight options available from London to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 26, 2025.