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Cheap flights from London to Sydney from C$ 734

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 11/5. 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

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Find the cheapest flights from London to Sydney

Cheap round-trip flights

Enter your travel dates to find the best prices.
China Eastern Logo
9:20 p.m. - 9:00 a.m.
LHR
-
SYD
26h 40m
1 stop
China Eastern Logo
10:05 a.m. - 6:40 p.m.
SYD
-
LHR
41h 35m
3 stops
C$ 1,362China Eastern
Sun, 10 May - Fri, 22 May
China Eastern Logo
9:20 p.m. - 7:40 a.m.
LHR
-
SYD
49h 20m
2 stops
China Eastern Logo
8:30 p.m. - 6:40 p.m.
SYD
-
LHR
31h 10m
1 stop
C$ 1,368China Eastern
Mon, 4 May - Fri, 22 May
China Eastern Logo
9:20 p.m. - 7:40 a.m.
LHR
-
SYD
49h 20m
2 stops
China Eastern Logo
10:05 a.m. - 6:40 p.m.
SYD
-
LHR
41h 35m
3 stops
C$ 1,373China Eastern
Fri, 8 May - Fri, 22 May
China Eastern Logo
9:20 p.m. - 8:05 a.m.
LHR
-
SYD
49h 45m
2 stops
China Eastern Logo
11:20 a.m. - 6:40 p.m.
SYD
-
LHR
40h 20m
2 stops
C$ 1,377China Eastern
Sat, 16 May - Thu, 28 May
Turkish Airlines Logo
4:40 p.m. - 6:35 a.m.
LHR
-
SYD
26h 55m
2 stops
Turkish Airlines Logo
9:45 p.m. - 4:10 p.m.
SYD
-
LHR
29h 25m
2 stops
C$ 1,386Turkish Airlines
Sat, 21 Feb - Sat, 28 Feb
China Eastern Logo
9:00 p.m. - 1:35 p.m.
LHR
-
SYD
29h 35m
1 stop
China Eastern Logo
9:30 p.m. - 5:30 p.m.
SYD
-
LHR
31h 00m
1 stop
C$ 1,387China Eastern
Sun, 1 Mar - Tue, 24 Mar
China Eastern Logo
9:00 p.m. - 1:35 p.m.
LHR
-
SYD
29h 35m
1 stop
China Eastern Logo
9:30 p.m. - 5:30 p.m.
SYD
-
LHR
31h 00m
1 stop
C$ 1,391China Eastern
Thu, 12 Mar - Fri, 20 Mar
China Eastern Logo
9:00 p.m. - 1:35 p.m.
LHR
-
SYD
29h 35m
1 stop
China Eastern Logo
1:30 p.m. - 5:30 p.m.
SYD
-
LHR
39h 00m
3 stops
C$ 1,397China Eastern
Tue, 3 Mar - Mon, 16 Mar
Turkish Airlines Logo
10:35 p.m. - 4:50 p.m.
LHR
-
SYD
33h 15m
2 stops
Turkish Airlines Logo
3:40 p.m. - 3:10 p.m.
SYD
-
LHR
32h 30m
2 stops
C$ 1,401Turkish Airlines
Thu, 16 Apr - Wed, 6 May
Turkish Airlines Logo
4:40 p.m. - 6:35 a.m.
LHR
-
SYD
26h 55m
2 stops
Turkish Airlines Logo
9:45 p.m. - 2:55 p.m.
SYD
-
LHR
28h 10m
2 stops
C$ 1,405Turkish Airlines
Sat, 21 Feb - Sat, 28 Feb

Air India flights from London to Sydney

Our best Air India deals on London to Sydney flight tickets
Air India
28 Jun
LHR9:45 a.m.London Heathrow
23h 40m
1 stop
SYD6:25 p.m.Sydney Kingsford Smith
15 Jul
SYD8:00 p.m.Sydney Kingsford Smith
25h 05m
1 stop
LHR12:05 p.m.London Heathrow
C$ 1,427
Air India
10 Jun
LHR8:35 p.m.London Heathrow
36h 50m
1 stop
SYD6:25 p.m.Sydney Kingsford Smith
25 Jun
SYD8:00 p.m.Sydney Kingsford Smith
44h 30m
1 stop
LHR7:30 a.m.London Heathrow
C$ 1,432
Air India
23 Jun
LHR9:45 p.m.London Heathrow
35h 40m
1 stop
SYD6:25 p.m.Sydney Kingsford Smith
31 Jul
SYD8:00 p.m.Sydney Kingsford Smith
32h 00m
1 stop
LHR7:00 p.m.London Heathrow
C$ 1,499

Turkish Airlines flights from London to Sydney

Our best Turkish Airlines deals on London to Sydney flight tickets
Turkish Airlines
21 Feb
LHR4:40 p.m.London Heathrow
26h 55m
2 stops
SYD6:35 a.m.Sydney Kingsford Smith
28 Feb
SYD9:45 p.m.Sydney Kingsford Smith
29h 25m
2 stops
LHR4:10 p.m.London Heathrow
C$ 1,386
Turkish Airlines
16 Apr
LHR6:30 a.m.London Heathrow
25h 20m
2 stops
SYD4:50 p.m.Sydney Kingsford Smith
8 May
SYD3:40 p.m.Sydney Kingsford Smith
33h 20m
2 stops
LHR4:00 p.m.London Heathrow
C$ 1,401
Turkish Airlines
21 Feb
LHR4:40 p.m.London Heathrow
26h 55m
2 stops
SYD6:35 a.m.Sydney Kingsford Smith
28 Feb
SYD9:45 p.m.Sydney Kingsford Smith
28h 10m
2 stops
LHR2:55 p.m.London Heathrow
C$ 1,405

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 27 January 2026.
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

Sun 10/5

9:20 p.m.-9:00 a.m.

1 stop26h 40m

Sydney Kingsford Smith

Fri 22/5

10:05 a.m.-6:40 p.m.

3 stops41h 35m

C$ 1,362

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Mon 4/5

9:20 p.m.-7:40 a.m.

2 stops49h 20m

Sydney Kingsford Smith

Fri 22/5

8:30 p.m.-6:40 p.m.

1 stop31h 10m

C$ 1,368

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Fri 8/5

9:20 p.m.-7:40 a.m.

2 stops49h 20m

Sydney Kingsford Smith

Fri 22/5

10:05 a.m.-6:40 p.m.

3 stops41h 35m

C$ 1,373

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Sat 16/5

9:20 p.m.-8:05 a.m.

2 stops49h 45m

Sydney Kingsford Smith

Thu 28/5

11:20 a.m.-6:40 p.m.

2 stops40h 20m

C$ 1,377

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Sat 21/2

4:40 p.m.-6:35 a.m.

2 stops26h 55m

Sydney Kingsford Smith

Sat 28/2

9:45 p.m.-4:10 p.m.

2 stops29h 25m

C$ 1,386

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Sun 1/3

9:00 p.m.-1:35 p.m.

1 stop29h 35m

Sydney Kingsford Smith

Tue 24/3

9:30 p.m.-5:30 p.m.

1 stop31h 00m

C$ 1,387

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Thu 12/3

9:00 p.m.-1:35 p.m.

1 stop29h 35m

Sydney Kingsford Smith

Fri 20/3

9:30 p.m.-5:30 p.m.

1 stop31h 00m

C$ 1,391

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Tue 3/3

9:00 p.m.-1:35 p.m.

1 stop29h 35m

Sydney Kingsford Smith

Mon 16/3

1:30 p.m.-5:30 p.m.

3 stops39h 00m

C$ 1,397

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Thu 16/4

10:35 p.m.-4:50 p.m.

2 stops33h 15m

Sydney Kingsford Smith

Wed 6/5

3:40 p.m.-3:10 p.m.

2 stops32h 30m

C$ 1,401

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Sat 21/2

4:40 p.m.-6:35 a.m.

2 stops26h 55m

Sydney Kingsford Smith

Sat 28/2

9:45 p.m.-2:55 p.m.

2 stops28h 10m

C$ 1,405

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$ 1,520.

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$ 1,817 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$ 1,598 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 January 2026, prices for London to Sydney flights are approximately 26% 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

22h 05m

Direct flights

Thu and Sun

Airports in Sydney

1 airport
The fastest flight from London to Sydney takes 22h 05m
Direct flights go from London to Sydney on Thursday and Sunday. There are no airlines offering direct flights.
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 22h 05m, 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
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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