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Cheap flights from London Heathrow Airport to Sydney from C$ 728

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 Heathrow Airport to Sydney departing on 18/4. 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
1 adult, Economy, 0 bags

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Find the cheapest flights from London Heathrow Airport to Sydney

Cheap round-trip flights

Enter your travel dates to find the best prices.
China Eastern Logo
9:20 p.m. - 8:00 a.m.
LHR
-
SYD
49h 40m
3 stops
China Eastern Logo
10:05 a.m. - 6:40 p.m.
SYD
-
LHR
41h 35m
2 stops
C$ 1,279China Eastern
Sun, 3 May - Sun, 7 Jun
China Eastern Logo
9:20 p.m. - 12:35 p.m.
LHR
-
SYD
30h 15m
1 stop
China Eastern Logo
10:00 a.m. - 6:40 p.m.
SYD
-
LHR
41h 40m
2 stops
C$ 1,283China Eastern
Mon, 20 Apr - Mon, 11 May
China Eastern Logo
9:20 p.m. - 9:00 a.m.
LHR
-
SYD
26h 40m
1 stop
China Eastern Logo
10:00 a.m. - 6:40 p.m.
SYD
-
LHR
41h 40m
2 stops
C$ 1,287China Eastern
Tue, 5 May - Mon, 8 Jun
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$ 1,288China Eastern
Sun, 10 May - Sun, 31 May
China Eastern Logo
9:20 p.m. - 8:05 a.m.
LHR
-
SYD
49h 45m
3 stops
China Eastern Logo
10:05 a.m. - 6:40 p.m.
SYD
-
LHR
41h 35m
2 stops
C$ 1,293China Eastern
Sat, 11 Apr - Tue, 26 May
China Eastern Logo
9:20 p.m. - 8:05 a.m.
LHR
-
SYD
49h 45m
3 stops
China Eastern Logo
10:00 a.m. - 6:40 p.m.
SYD
-
LHR
41h 40m
2 stops
C$ 1,297China Eastern
Sat, 2 May - Thu, 11 Jun
China Southern Logo
10:10 p.m. - 7:25 p.m.
LHR
-
SYD
36h 15m
1 stop
China Southern Logo
2:10 p.m. - 7:20 p.m.
SYD
-
LHR
38h 10m
1 stop
C$ 1,299China Southern
Mon, 27 Apr - Wed, 13 May
Tianjin Airlines Logo
9:30 p.m. - 12:30 p.m.
LHR
-
SYD
30h 00m
1 stop
Tianjin Airlines Logo
5:20 p.m. - 8:00 p.m.
SYD
-
LHR
35h 40m
1 stop
C$ 1,302Tianjin Airlines
Sat, 25 Apr - Tue, 19 May
Tianjin Airlines Logo
9:30 p.m. - 12:30 p.m.
LHR
-
SYD
30h 00m
1 stop
Tianjin Airlines Logo
5:20 p.m. - 8:00 p.m.
SYD
-
LHR
35h 40m
1 stop
C$ 1,309Tianjin Airlines
Sat, 25 Apr - Tue, 28 Apr
Tianjin Airlines Logo
9:30 p.m. - 12:30 p.m.
LHR
-
SYD
30h 00m
1 stop
Tianjin Airlines Logo
5:20 p.m. - 8:00 p.m.
SYD
-
LHR
35h 40m
1 stop
C$ 1,312Tianjin Airlines
Sat, 25 Apr - Tue, 19 May

Tianjin Airlines flights from London Heathrow Airport to Sydney

Our best Tianjin Airlines deals on London Heathrow Airport to Sydney flight tickets
Tianjin Airlines
25 Apr
LHR9:30 p.m.London Heathrow
30h 00m
1 stop
SYD12:30 p.m.Sydney Kingsford Smith
19 May
SYD5:20 p.m.Sydney Kingsford Smith
35h 40m
1 stop
LHR8:00 p.m.London Heathrow
C$ 1,302
Tianjin Airlines
25 Apr
LHR9:30 p.m.London Heathrow
30h 00m
1 stop
SYD12:30 p.m.Sydney Kingsford Smith
28 Apr
SYD5:20 p.m.Sydney Kingsford Smith
35h 40m
1 stop
LHR8:00 p.m.London Heathrow
C$ 1,309
Tianjin Airlines
25 Apr
LHR9:30 p.m.London Heathrow
30h 00m
1 stop
SYD12:30 p.m.Sydney Kingsford Smith
19 May
SYD5:20 p.m.Sydney Kingsford Smith
35h 40m
1 stop
LHR8:00 p.m.London Heathrow
C$ 1,312

Turkish Airlines flights from London Heathrow Airport to Sydney

Our best Turkish Airlines deals on London Heathrow Airport to Sydney flight tickets
Turkish Airlines
25 Apr
LHR4:45 p.m.London Heathrow
28h 25m
2 stops
SYD6:10 a.m.Sydney Kingsford Smith
10 May
SYD3:40 p.m.Sydney Kingsford Smith
29h 30m
2 stops
LHR12:10 p.m.London Heathrow
C$ 1,365
Turkish Airlines
20 Jun
LHR4:45 p.m.London Heathrow
28h 25m
2 stops
SYD6:10 a.m.Sydney Kingsford Smith
11 Jul
SYD9:30 p.m.Sydney Kingsford Smith
28h 10m
2 stops
LHR4:40 p.m.London Heathrow
C$ 1,367
Turkish Airlines
4 Jul
LHR1:20 p.m.London Heathrow
31h 50m
2 stops
SYD6:10 a.m.Sydney Kingsford Smith
20 Jul
SYD3:40 p.m.Sydney Kingsford Smith
34h 00m
2 stops
LHR4:40 p.m.London Heathrow
C$ 1,401

momondo Fare Finder

 
Customize your flight search to find flights from London Heathrow 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 96,600 searches. Data last updated 11 March 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Sun 3/5

9:20 p.m.-8:00 a.m.

3 stops49h 40m

Sydney Kingsford Smith

Sun 7/6

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

2 stops41h 35m

C$ 1,279

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Mon 20/4

9:20 p.m.-12:35 p.m.

1 stop30h 15m

Sydney Kingsford Smith

Mon 11/5

10:00 a.m.-6:40 p.m.

2 stops41h 40m

C$ 1,283

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Tue 5/5

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

1 stop26h 40m

Sydney Kingsford Smith

Mon 8/6

10:00 a.m.-6:40 p.m.

2 stops41h 40m

C$ 1,287

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Sun 10/5

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

1 stop26h 40m

Sydney Kingsford Smith

Sun 31/5

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

3 stops41h 35m

C$ 1,288

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Sat 11/4

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

3 stops49h 45m

Sydney Kingsford Smith

Tue 26/5

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

2 stops41h 35m

C$ 1,293

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Sat 2/5

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

3 stops49h 45m

Sydney Kingsford Smith

Thu 11/6

10:00 a.m.-6:40 p.m.

2 stops41h 40m

C$ 1,297

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Mon 27/4

10:10 p.m.-7:25 p.m.

1 stop36h 15m

Sydney Kingsford Smith

Wed 13/5

2:10 p.m.-7:20 p.m.

1 stop38h 10m

C$ 1,299
Quickest round-trip

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Sat 25/4

9:30 p.m.-12:30 p.m.

1 stop30h 00m

Sydney Kingsford Smith

Tue 19/5

5:20 p.m.-8:00 p.m.

1 stop35h 40m

C$ 1,302

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Sat 25/4

9:30 p.m.-12:30 p.m.

1 stop30h 00m

Sydney Kingsford Smith

Tue 28/4

5:20 p.m.-8:00 p.m.

1 stop35h 40m

C$ 1,309

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Sat 25/4

9:30 p.m.-12:30 p.m.

1 stop30h 00m

Sydney Kingsford Smith

Tue 19/5

5:20 p.m.-8:00 p.m.

1 stop35h 40m

C$ 1,312

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 Heathrow 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 Heathrow Airport 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 September is also cheap. Prices for this month can be found on momondo for an average of C$ 1,572.

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

You are more likely to see cheaper flights to Sydney from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Sydney for around C$ 1,832 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sydney from London Heathrow Airport for as low as C$ 1,723 on momondo.

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

You could potentially save up to 14% on your flight if you consider stops on a London Heathrow Airport to Sydney flight.

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

As of March 2026, prices for London Heathrow Airport to Sydney flights are approximately 10% more expensive when compared to flights at the same time last year.

When to book flights from London Heathrow Airport to Sydney

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

Cheap London Heathrow Airport to Sydney (LHR to SYD) flight deals and tips

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

Fastest flight time

26h 40m

Direct flights

None
The fastest flight from London Heathrow Airport to Sydney takes 26h 40m
There are no direct flights from London Heathrow Airport to Sydney. There are no popular flight routes from London Heathrow Airport to Sydney.
Search flight deals

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

    The straight-line distance from London Heathrow to Sydney Kingsford Smith is 17004.5 km. 26h 40m is a normal flight duration for this route.

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

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London Heathrow 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 required for your trip to Sydney Kingsford Smith Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Sydney Kingsford Smith Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from London Heathrow Airport 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?

It is quick and easy to find London to Sydney flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Sydney that suits you.

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?

Once all potential London to Sydney flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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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