London to Sydney and back is the whole of this page. We watch the route continuously and show the cheapest return fare we have actually seen on it, along with the exact outbound and return dates that price applied to.

Every fare here is re-confirmed against Skyscanner automatically, and each one is stamped with the moment it was last checked, so you can see how fresh it is instead of taking it on trust. Not flying from London? We track 49 other departure cities for Sydney, listed at the foot of this page.

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Sydney

London → Sydney

Air China

£610 RT

for 1 Nov – 20 Nov 2026

✓ live-checked 17 hours ago

Check live price on Skyscanner →

Price history 22 checks recorded for this route

lowest seen £596 · typical £773 · highest £1,004 · now £610

The cheapest London to Sydney return flight on the radar right now is £610, flying with Air China via one or more connections. It covers departures in November 2026, and every dated link below opens that exact LHR–SYD search on Skyscanner. That is roughly 21% below the £773 this route usually costs. Across 22 recorded checks it has ranged between £596 and £1,004. Our sampling points to November 2026 as the cheapest month to fly London to Sydney.

London to Sydney flights: common questions

How much is a flight from London to Sydney?

The lowest return fare we currently track from London (LHR) to Sydney (SYD) is £610. The typical price on this route is £773, so anything near £610 is worth booking quickly. Over 22 recorded checks we have seen it as low as £596 and as high as £1,004.

Which airline flies from London to Sydney at this price?

This £610 fare is with Air China, with at least one connection. The live search lists every carrier serving the route, so you can compare schedules before booking.

Is there a direct flight from London to Sydney?

This £610 fare includes at least one connection. If you need a non-stop London to Sydney flight, open the live search and apply the direct filter there.

When is the cheapest time to fly from London to Sydney?

Our price sampling points to November 2026 as the cheapest departure month on this route. The dated links on this page cover November 2026.

Is the £610 London to Sydney fare still available?

We last confirmed this £610 fare against live Skyscanner availability 17 hours ago. Deal fares move within days, so the Check live price button re-runs the exact search and shows today's number rather than a cached one.

How do I book this London to Sydney deal?

Pick a date pair above or press Check live price. That opens the exact LHR–SYD search on Skyscanner, where you book directly with the airline or agent. TravelFree does not sell tickets, adds no booking fee and does not mark the price up.

Every London to Sydney price on this page comes from a real bookable quote and is re-checked automatically. TravelFree takes no commission from you and never marks a fare up.

Fares move quickly. If this London to Sydney price has gone by the time you search, shift the dates a day or two either side, because the same route is often still cheap just next door.