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Cheap flights from London to Sydney from C$ 914

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 to Sydney departing on 7/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

Enter your travel dates to find the best prices.
Air India Logo
1:00 p.m. - 7:15 p.m.
LHR
-
SYD
43h 15m1 stop
Air India Logo
8:45 p.m. - 7:20 p.m.
SYD
-
LHR
33h 35m1 stop
C$ 1,466Air India
Tue, 17 Feb - Tue, 24 Feb
Air India Logo
1:15 p.m. - 6:00 p.m.
LHR
-
SYD
43h 45m1 stop
Air India Logo
7:30 p.m. - 11:30 a.m.
SYD
-
LHR
25h 00m1 stop
C$ 1,478Air India
Mon, 1 Jun - Thu, 6 Aug
Vietnam Airlines Logo
7:50 p.m. - 8:15 a.m.
LHR
-
SYD
27h 25m1 stop
Vietnam Airlines Logo
10:15 a.m. - 5:50 p.m.
SYD
-
LHR
40h 35m1 stop
C$ 1,494Vietnam Airlines
Tue, 26 May - Mon, 8 Jun
Austrian Airlines Logo
7:30 p.m. - 10:20 a.m.
LHR
-
SYD
29h 50m2 stops
Austrian Airlines Logo
2:50 p.m. - 8:20 a.m.
SYD
-
LHR
26h 30m2 stops
C$ 1,546Austrian Airlines
Wed, 6 May - Tue, 26 May
Vietnam Airlines Logo
7:50 p.m. - 8:15 a.m.
LHR
-
SYD
27h 25m1 stop
Vietnam Airlines Logo
10:15 a.m. - 4:55 p.m.
SYD
-
LHR
39h 40m1 stop
C$ 1,553Vietnam Airlines
Tue, 2 Jun - Wed, 17 Jun
Air India Logo
10:00 p.m. - 7:15 p.m.
LHR
-
SYD
34h 15m1 stop
Air India Logo
8:45 p.m. - 8:30 p.m.
SYD
-
LHR
34h 45m1 stop
C$ 1,557Air India
Wed, 4 Feb - Wed, 4 Mar
Air India Logo
10:00 p.m. - 7:15 p.m.
LHR
-
SYD
34h 15m1 stop
Air India Logo
8:45 p.m. - 11:30 a.m.
SYD
-
LHR
25h 45m1 stop
C$ 1,558Air India
Wed, 4 Feb - Wed, 4 Mar
Etihad Airways Logo
1:55 p.m. - 5:55 p.m.
LHR
-
SYD
41h 00m1 stop
Etihad Airways Logo
3:40 p.m. - 3:15 p.m.
SYD
-
LHR
32h 35m1 stop
C$ 1,560Etihad Airways
Sat, 7 Feb - Wed, 13 May
Etihad Airways Logo
8:55 p.m. - 5:55 p.m.
LHR
-
SYD
34h 00m1 stop
Etihad Airways Logo
9:45 p.m. - 12:05 p.m.
SYD
-
LHR
25h 20m1 stop
C$ 1,561Etihad Airways
Tue, 3 Mar - Fri, 20 Mar
China Airlines Logo
9:10 p.m. - 10:45 a.m.
LHR
-
SYD
28h 35m1 stop
China Airlines Logo
10:10 p.m. - 4:30 p.m.
SYD
-
LHR
27h 20m1 stop
C$ 1,562China Airlines
Wed, 22 Apr - Sun, 17 May

Austrian Airlines flights from London to Sydney

Our best Austrian Airlines deals on London to Sydney flight tickets
Austrian Airlines
6 May
LHR7:30 p.m.London Heathrow
29h 50m
2 stops
SYD10:20 a.m.Sydney Kingsford Smith
26 May
SYD2:50 p.m.Sydney Kingsford Smith
26h 30m
2 stops
LHR8:20 a.m.London Heathrow
C$ 1,546
Find similar
Austrian Airlines
6 May
LHR7:30 p.m.London Heathrow
29h 50m
2 stops
SYD10:20 a.m.Sydney Kingsford Smith
28 May
SYD2:50 p.m.Sydney Kingsford Smith
26h 30m
2 stops
LHR8:20 a.m.London Heathrow
C$ 1,623
Find similar
Austrian Airlines
3 Mar
LHR7:25 p.m.London Heathrow
29h 30m
2 stops
SYD11:55 a.m.Sydney Kingsford Smith
25 May
SYD2:50 p.m.Sydney Kingsford Smith
29h 35m
2 stops
LHR11:25 a.m.London Heathrow
C$ 1,647
Find similar

Lufthansa flights from London to Sydney

Our best Lufthansa deals on London to Sydney flight tickets
Lufthansa
7 May
LHR5:30 p.m.London Heathrow
27h 40m
2 stops
SYD6:10 a.m.Sydney Kingsford Smith
26 May
SYD2:50 p.m.Sydney Kingsford Smith
26h 25m
2 stops
LHR8:15 a.m.London Heathrow
C$ 1,575
Find similar
Lufthansa
29 May
LHR5:30 p.m.London Heathrow
27h 40m
2 stops
SYD6:10 a.m.Sydney Kingsford Smith
7 Jun
SYD2:05 p.m.Sydney Kingsford Smith
27h 35m
2 stops
LHR8:40 a.m.London Heathrow
C$ 1,631
Find similar
Lufthansa
6 May
LHR5:30 p.m.London Heathrow
27h 40m
2 stops
SYD6:10 a.m.Sydney Kingsford Smith
27 May
SYD2:50 p.m.Sydney Kingsford Smith
26h 25m
2 stops
LHR8:15 a.m.London Heathrow
C$ 1,652
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from London 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 96,600 searches. Data last updated 11 December 2025.
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 17/2

1:00 p.m.-7:15 p.m.

1 stop43h 15m

Sydney Kingsford Smith

Tue 24/2

8:45 p.m.-7:20 p.m.

1 stop33h 35m

C$ 1,466

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Mon 1/6

1:15 p.m.-6:00 p.m.

1 stop43h 45m

Sydney Kingsford Smith

Thu 6/8

7:30 p.m.-11:30 a.m.

1 stop25h 00m

C$ 1,478

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Tue 26/5

7:50 p.m.-8:15 a.m.

1 stop27h 25m

Sydney Kingsford Smith

Mon 8/6

10:15 a.m.-5:50 p.m.

1 stop40h 35m

C$ 1,494

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Wed 6/5

7:30 p.m.-10:20 a.m.

2 stops29h 50m

Sydney Kingsford Smith

Tue 26/5

2:50 p.m.-8:20 a.m.

2 stops26h 30m

C$ 1,546

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Tue 2/6

7:50 p.m.-8:15 a.m.

1 stop27h 25m

Sydney Kingsford Smith

Wed 17/6

10:15 a.m.-4:55 p.m.

1 stop39h 40m

C$ 1,553

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Wed 4/2

10:00 p.m.-7:15 p.m.

1 stop34h 15m

Sydney Kingsford Smith

Wed 4/3

8:45 p.m.-8:30 p.m.

1 stop34h 45m

C$ 1,557

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Wed 4/2

10:00 p.m.-7:15 p.m.

1 stop34h 15m

Sydney Kingsford Smith

Wed 4/3

8:45 p.m.-11:30 a.m.

1 stop25h 45m

C$ 1,558

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Sat 7/2

1:55 p.m.-5:55 p.m.

1 stop41h 00m

Sydney Kingsford Smith

Wed 13/5

3:40 p.m.-3:15 p.m.

1 stop32h 35m

C$ 1,560

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Tue 3/3

8:55 p.m.-5:55 p.m.

1 stop34h 00m

Sydney Kingsford Smith

Fri 20/3

9:45 p.m.-12:05 p.m.

1 stop25h 20m

C$ 1,561

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Wed 22/4

9:10 p.m.-10:45 a.m.

1 stop28h 35m

Sydney Kingsford Smith

Sun 17/5

10:10 p.m.-4:30 p.m.

1 stop27h 20m

C$ 1,562

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Sydney from

How to get the cheapest flight ticket from London 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 and Sydney?

What is the cheapest month to fly to Sydney?

If you aren’t able to travel to Sydney during the month of May, then flying in June is also cheap. Prices for this month can be found on momondo for an average of C$ 1,546.

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

The cheapest day to depart from London to Sydney is on a Wednesday when prices can be found for as low as C$ 1,969. The most expensive day to fly to Sydney is Friday, with ticket prices averaging around C$ 2,803.

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

You are more likely to see cheaper flights to Sydney from London when booking weeks ahead of your departure date. In general, you can expect to find flights to Sydney for around C$ 1,824 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sydney from London for as low as C$ 1,510 on momondo.

Can stopping save me money on London to Sydney flights?

You could potentially save up to 4% on your flight if you consider stops on a London to Sydney flight.

How have London to Sydney flight prices changed over time?

As of December 2025, prices for London to Sydney flights are approximately 12% cheaper when compared to flights at the same time last year.

When to book flights from London to Sydney

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

Cheap London to Sydney (LON to SYD) flight deals and tips

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

Fastest flight time

32h 15m

Direct flights

Every day

Airports in Sydney

1 airport
The fastest flight from London to Sydney takes 32h 15m
Direct flights go from London to Sydney every day.
There is 1 airport in Sydney. From London there are direct flights to Sydney Kingsford Smith (SYD).
Search flight deals

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

    There are 16983.0 km between London and Sydney Kingsford Smith. Flights usually cover this in 32h 15m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from London to Sydney Kingsford Smith Airport are updated daily.

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from London to Sydney Kingsford Smith Airport.

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

    The necessary travel and health documents for your Sydney Kingsford Smith Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from London to Sydney?

Travelling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Wollongong
Parramatta
Penrith
Bondi Beach

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?

All flight searches from London to Sydney on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Sydney from London.

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

If you are simply researching potential flights to Sydney, momondo offers a useful price alert feature which will track prices for flights to Sydney from London and alert you when they change.

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