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Cheap flights from London Gatwick Airport to Sydney from $636

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Gatwick Airport to Sydney departing on 3/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from London Gatwick Airport to Sydney

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
5:00 pm - 1:35 pm
LGW
-
SYD
33h 35m1 stop
Multiple Airlines Logo
10:10 pm - 4:20 pm
SYD
-
LGW
28h 10m2 stops
$1,059Multiple Airlines
Mon, Mar 9 - Sun, Mar 29
China Eastern Logo
10:30 am - 1:35 pm
LGW
-
SYD
40h 05m1 stop
China Eastern Logo
9:30 pm - 2:00 pm
SYD
-
LGW
27h 30m1 stop
$1,063China Eastern
Sat, Jan 10 - Wed, Jan 28
China Eastern Logo
5:00 pm - 10:00 am
LGW
-
SYD
30h 00m1 stop
China Eastern Logo
9:30 pm - 2:00 pm
SYD
-
LGW
27h 30m1 stop
$1,065China Eastern
Thu, Feb 26 - Wed, Mar 11
China Eastern Logo
5:00 pm - 1:35 pm
LGW
-
SYD
33h 35m1 stop
China Eastern Logo
12:00 pm - 6:30 am
SYD
-
LGW
29h 30m1 stop
$1,067China Eastern
Tue, Jan 20 - Fri, Jan 30
China Eastern Logo
5:00 pm - 10:00 am
LGW
-
SYD
30h 00m1 stop
China Eastern Logo
9:30 pm - 3:10 pm
SYD
-
LGW
27h 40m1 stop
$1,072China Eastern
Tue, Mar 10 - Sun, Mar 29
China Southern Logo
8:20 pm - 8:20 pm
LGW
-
SYD
37h 00m2 stops
China Southern Logo
10:00 pm - 5:20 pm
SYD
-
LGW
30h 20m2 stops
$1,078China Southern
Sat, Jan 10 - Mon, Jan 19
Multiple Airlines Logo
3:55 pm - 8:05 am
LGW
-
SYD
29h 10m2 stops
Multiple Airlines Logo
10:10 pm - 4:20 pm
SYD
-
LGW
28h 10m2 stops
$1,089Multiple Airlines
Wed, Mar 11 - Sun, Mar 29
Multiple Airlines Logo
10:30 am - 7:15 am
LGW
-
SYD
33h 45m2 stops
Multiple Airlines Logo
10:10 pm - 4:20 pm
SYD
-
LGW
28h 10m2 stops
$1,101Multiple Airlines
Tue, Mar 10 - Sun, Mar 29
Multiple Airlines Logo
12:15 pm - 6:50 pm
LGW
-
SYD
43h 35m2 stops
Multiple Airlines Logo
9:15 pm - 4:10 pm
SYD
-
LGW
29h 55m2 stops
$1,110Multiple Airlines
Thu, Feb 26 - Wed, Mar 11
Multiple Airlines Logo
12:15 pm - 6:50 pm
LGW
-
SYD
43h 35m2 stops
Multiple Airlines Logo
9:15 pm - 4:10 pm
SYD
-
LGW
29h 55m2 stops
$1,124Multiple Airlines
Thu, Feb 26 - Sat, Mar 14

China Eastern flights from London Gatwick Airport to Sydney

Our best China Eastern deals on London Gatwick Airport to Sydney flight tickets
China Eastern
Jan 10
LGW10:30 amLondon Gatwick
40h 05m
1 stop
SYD1:35 pmSydney Kingsford Smith
Jan 28
SYD9:30 pmSydney Kingsford Smith
27h 30m
1 stop
LGW2:00 pmLondon Gatwick
$1,063
Find similar
China Eastern
Feb 26
LGW5:00 pmLondon Gatwick
30h 00m
1 stop
SYD10:00 amSydney Kingsford Smith
Mar 11
SYD9:30 pmSydney Kingsford Smith
27h 30m
1 stop
LGW2:00 pmLondon Gatwick
$1,065
Find similar
China Eastern
Jan 20
LGW5:00 pmLondon Gatwick
33h 35m
1 stop
SYD1:35 pmSydney Kingsford Smith
Jan 30
SYD12:00 pmSydney Kingsford Smith
29h 30m
1 stop
LGW6:30 amLondon Gatwick
$1,067
Find similar

China Southern flights from London Gatwick Airport to Sydney

Our best China Southern deals on London Gatwick Airport to Sydney flight tickets
China Southern
Jan 10
LGW8:20 pmLondon Gatwick
37h 00m
2 stops
SYD8:20 pmSydney Kingsford Smith
Jan 19
SYD10:00 pmSydney Kingsford Smith
30h 20m
2 stops
LGW5:20 pmLondon Gatwick
$1,078
Find similar
China Southern
Jan 20
LGW8:20 pmLondon Gatwick
37h 00m
2 stops
SYD8:20 pmSydney Kingsford Smith
Jan 30
SYD3:15 pmSydney Kingsford Smith
37h 05m
2 stops
LGW5:20 pmLondon Gatwick
$1,201
Find similar
China Southern
Dec 25
LGW9:55 amLondon Gatwick
23h 25m
1 stop
SYD8:20 pmSydney Kingsford Smith
Jan 16
SYD11:25 amSydney Kingsford Smith
40h 55m
2 stops
LGW5:20 pmLondon Gatwick
$1,203
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from London Gatwick Airport to Sydney that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated December 4, 2025.
Use the filters below to find and compare flights from London Gatwick Airport to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonSydney

LGW - SYD

LGWSYD

London Gatwick

Mon 3/9

5:00 pm-1:35 pm

1 stop33h 35m

Sydney Kingsford Smith

Sun 3/29

10:10 pm-4:20 pm

2 stops28h 10m

$1,059

LondonSydney

LGW - SYD

LGWSYD

London Gatwick

Sat 1/10

10:30 am-1:35 pm

1 stop40h 05m

Sydney Kingsford Smith

Wed 1/28

9:30 pm-2:00 pm

1 stop27h 30m

$1,063

LondonSydney

LGW - SYD

LGWSYD

London Gatwick

Thu 2/26

5:00 pm-10:00 am

1 stop30h 00m

Sydney Kingsford Smith

Wed 3/11

9:30 pm-2:00 pm

1 stop27h 30m

$1,065

LondonSydney

LGW - SYD

LGWSYD

London Gatwick

Tue 1/20

5:00 pm-1:35 pm

1 stop33h 35m

Sydney Kingsford Smith

Fri 1/30

12:00 pm-6:30 am

1 stop29h 30m

$1,067

LondonSydney

LGW - SYD

LGWSYD

London Gatwick

Tue 3/10

5:00 pm-10:00 am

1 stop30h 00m

Sydney Kingsford Smith

Sun 3/29

9:30 pm-3:10 pm

1 stop27h 40m

$1,072

LondonSydney

LGW - SYD

LGWSYD

London Gatwick

Sat 1/10

8:20 pm-8:20 pm

2 stops37h 00m

Sydney Kingsford Smith

Mon 1/19

10:00 pm-5:20 pm

2 stops30h 20m

$1,078

LondonSydney

LGW - SYD

LGWSYD

London Gatwick

Wed 3/11

3:55 pm-8:05 am

2 stops29h 10m

Sydney Kingsford Smith

Sun 3/29

10:10 pm-4:20 pm

2 stops28h 10m

$1,089

LondonSydney

LGW - SYD

LGWSYD

London Gatwick

Tue 3/10

10:30 am-7:15 am

2 stops33h 45m

Sydney Kingsford Smith

Sun 3/29

10:10 pm-4:20 pm

2 stops28h 10m

$1,101

LondonSydney

LGW - SYD

LGWSYD

London Gatwick

Thu 2/26

12:15 pm-6:50 pm

2 stops43h 35m

Sydney Kingsford Smith

Wed 3/11

9:15 pm-4:10 pm

2 stops29h 55m

$1,110

LondonSydney

LGW - SYD

LGWSYD

London Gatwick

Thu 2/26

12:15 pm-6:50 pm

2 stops43h 35m

Sydney Kingsford Smith

Sat 3/14

9:15 pm-4:10 pm

2 stops29h 55m

$1,124

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from London Gatwick Airport to Sydney

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between London Gatwick Airport and Sydney?

What is the cheapest month to fly to Sydney?

In general, June is the cheapest month to fly from London Gatwick Airport to Sydney. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,130. If you are unable to visit Sydney during the month of June, then departing from London Gatwick Airport during the month May is also very affordable. Most momondo users find prices during this month for around $1,138.

What is the cheapest day to depart on your flight to Sydney?

The cheapest day to depart from London Gatwick Airport to Sydney is on a Sunday when prices can be found for as low as $1,197. The most expensive day to fly to Sydney is Thursday, with ticket prices averaging around $1,333.

What is the cheapest time of day to depart on your flight to Sydney?

According to our data, the cheapest time of day to fly to Sydney is in the afternoon. momondo users have found flights departing from London Gatwick Airport to Sydney in the afternoon for as low as $1,245. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Sydney are more costly in the evening, with an average ticket price of $1,490. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

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

You are more likely to see cheaper flights to Sydney from London Gatwick Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Sydney for around $1,361 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sydney from London Gatwick Airport for as low as $1,016 on momondo.

Can stopping save me money on London Gatwick Airport to Sydney flights?

You could potentially save up to 60% on your flight if you consider stops on a London Gatwick Airport to Sydney flight.

How have London Gatwick Airport to Sydney flight prices changed over time?

As of December 2025, prices for London Gatwick Airport to Sydney flights are approximately 22% more expensive when compared to flights at the same time last year.

When to book flights from London Gatwick Airport to Sydney

Are you open to changing your travel dates? Check out the ideal times to fly from London Gatwick Airport to Sydney according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap London Gatwick Airport to Sydney (LGW to SYD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Gatwick Airport to Sydney

Fastest flight time

22h 50m

Direct flights

None
The fastest flight from London Gatwick Airport to Sydney takes 22h 50m
There are no direct flights from London Gatwick Airport to Sydney. There are no popular flight routes from London Gatwick Airport to Sydney.
Search flight deals

  • How far is London Gatwick to Sydney Kingsford Smith by plane?

    Sydney Kingsford Smith is 10566.2 mi away from London Gatwick. Typically, this will take 21h 30m by plane in normal conditions.

  • When did momondo last update prices for flights from London Gatwick Airport to Sydney Kingsford Smith Airport?

    Prices for flights from London Gatwick Airport to Sydney Kingsford Smith Airport are refreshed on a daily basis.

  • How old do you have to be to fly from London Gatwick Airport to Sydney Kingsford Smith Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Gatwick Airport to Sydney Kingsford Smith Airport.

  • What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?

    The travel and health documents you'll need for your trip to Sydney Kingsford Smith Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Sydney Kingsford Smith Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Traveling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Bondi Beach
Katoomba
Wollongong
Randwick
Coogee
Manly
Penrith
Cronulla
Lithgow
Leura
Charlestown
Terrigal
Swansea

Why use momondo?

Why should I use momondo to find a flight deal from London to Sydney?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from London to Sydney. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from London to Sydney with flexible booking policies on momondo?

Flights from London to Sydney with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from London to Sydney?

momondo helps you find the best flight between London and Sydney by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from London to Sydney right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Sydney from London. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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