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Cheap flights from London Heathrow Airport to Sydney, NS from C$ 922

LHR — YQY
13 Oct — 20 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to Sydney

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to Sydney

Thu 24/99:30 a.m. -
2 stops34h 37m
Mon 28/95:10 p.m. -
2 stops47h 50m
Deal found 8/9C$ 961
Wed 21/108:40 a.m. -
2 stops20h 05m
Wed 4/115:45 a.m. -
2 stops35h 15m
Deal found 10/9C$ 983
Tue 27/106:50 a.m. -
2 stops20h 36m
Tue 3/1112:10 p.m. -
2 stops28h 50m
Deal found 11/9C$ 1,001
Sat 10/109:30 a.m. -
1 stop11h 08m
Sat 17/105:20 p.m. -
1 stop12h 40m
Deal found 11/9C$ 1,013

Find flight deals from Heathrow to Sydney

Round-trip from

C$ 961

One-way from

C$ 922

Popular in

November

Cheapest in

March

Average price

C$ 1,001
Air Canada
  • Air Canada
  • 24/9-28/9
  • 4 total stops
  • 82h 27m total
  • London to Sydney
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20/2-31/12
  • 20/2-31/12
  • 2 total stops
  • 30h 55m total
  • London to Sydney
Search Deals
Highest demand for flights based on searches. 38% potential increase in price (C$ 1,322 potential increase over avg. RT price).
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Cheapest flight prices on average. 16% potential price decrease (C$ 304 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2026
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Cheapflights Fare Finder

 
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 London Heathrow - YQY Sydney

LHRYQY

London Heathrow

Sat 20/2

8:35 a.m.-11:30 a.m.

2 stops30h 55m

Sydney

Wed 31/12

12:00 a.m.-5:00 a.m.

Nonstop0h 00m

C$ 922

LondonSydney

LHR London Heathrow - YQY Sydney

LHRYQY

London Heathrow

Wed 21/10

8:40 a.m.-12:45 a.m.

2 stops20h 05m

Sydney

Wed 4/11

5:45 a.m.-7:10 a.m.

1 stop21h 25m

C$ 983

LondonSydney

LHR London Heathrow - YQY Sydney

LHRYQY

London Heathrow

Tue 22/9

10:40 p.m.-4:07 p.m.

2 stops45h 27m

Sydney

Wed 31/12

12:00 a.m.-5:00 a.m.

Nonstop0h 00m

C$ 1,922

LondonSydney

LHR London Heathrow - YQY Sydney

LHRYQY

London Heathrow

Sun 20/9

6:20 a.m.-12:45 a.m.

2 stops22h 25m

Sydney

Wed 31/12

12:00 a.m.-5:00 a.m.

Nonstop0h 00m

C$ 1,932

LondonSydney

LHR London Heathrow - YQY Sydney

LHRYQY

London Heathrow

Fri 18/9

6:20 a.m.-12:45 a.m.

2 stops22h 25m

Sydney

Wed 31/12

12:00 a.m.-5:00 a.m.

Nonstop0h 00m

C$ 1,932
Quickest round-trip

LondonSydney

LHR London Heathrow - YQY Sydney

LHRYQY

London Heathrow

Sun 20/9

9:30 a.m.-4:07 p.m.

1 stop10h 37m

Sydney

Wed 31/12

12:00 a.m.-5:00 a.m.

Nonstop0h 00m

C$ 2,745

LondonSydney

LHR London Heathrow - YQY Sydney

LHRYQY

London Heathrow

Fri 18/9

9:30 a.m.-4:07 p.m.

1 stop10h 37m

Sydney

Wed 31/12

12:00 a.m.-5:00 a.m.

Nonstop0h 00m

C$ 2,745

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Sorted by cheapest first

Best time to book a flight from Heathrow to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Heathrow with our price prediction graph.
Estimated round-trip price

Related info for your journey

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

    Sydney (YQY), located 11.2 km from the city centre, is the airport you fly into when you book flights from London Heathrow to Sydney. 0 airlines have flights to Sydney from London Heathrow on a regular basis. Booking flights from London Heathrow to Sydney should not be difficult; the airport handles an average of 0 inbound flights from London Heathrow per day.

  • How long is the flight from London Heathrow Airport to Sydney, Nova Scotia?

    Departing from London Heathrow Airport to Sydney, Nova Scotia will take you 20h 05m. Airlines will cover a distance of 4278 km.

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

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

  • How can I find direct flights from Heathrow to Sydney?

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

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

    Yes. Cheapflights offers flight deals from Heathrow 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.

See more FAQs

Travelling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Inverness

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Heathrow to Sydney

Heathrow to Halifax flights
Gatwick to Halifax flights
Heathrow to St John flights

Fly with Cheapflights

How does Cheapflights help users find flights from Heathrow to Sydney?

Cheapflights makes it easy to find Heathrow to Sydney flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Heathrow to Sydney?

Millions of users choose and trust Cheapflights to book the best flight deals from Heathrow to Sydney for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Heathrow to Sydney with no change fees?

Yes, we can. To see specific flights from Heathrow to Sydney with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Heathrow to Sydney become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Sydney from Heathrow today and book when prices fit your budget.

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