Cheapest return flights from London (LON) to Sydney (SYD), September

Select a price to book. see full year.

Dates, airline, and price
Dates Airline Price
18 Sep 18 Oct AirAsia X
16 Sep 04 Oct AirAsia X
16 Sep 21 Oct AirAsia X
16 Sep 12 Oct AirAsia X
18 Sep 19 Oct AirAsia X
18 Sep 12 Oct AirAsia X
16 Sep 07 Oct AirAsia X
01 Sep 18 Oct Air China
18 Sep 04 Oct AirAsia X
16 Sep 14 Oct AirAsia X
01 Sep 06 Sep Air China
01 Sep 10 Sep Air China
05 Sep 13 Sep China Eastern
03 Sep 13 Sep China Eastern
09 Sep 16 Sep China Eastern
04 Sep 16 Sep China Eastern
03 Sep 16 Sep China Eastern
10 Sep 14 Sep China Eastern
02 Sep 09 Sep China Eastern
02 Sep 11 Sep China Eastern
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deals for one-way flights from London to Sydney in September.

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Updated Jul 15, 2026.

About these fares

These results come from our latest search across airlines for your currency. Prices change quickly and are not locked until you complete booking—always confirm the total and fare rules on the partner site.

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