Cheapest return flights from Sydney to London in September from $1042

Best time to book flights for Sydney (SYD) to London (LGW) flights at AirHint

AirHint found the following cheapest return flights from Sydney (SYD) to London (LGW) in September 2025 (see full year).

Return flights

11 Sep - 30 Sep Scoot Tigerair
01 Sep - 08 Sep Scoot Tigerair
13 Sep - 30 Oct Scoot Tigerair
03 Sep - 05 Sep China Eastern
14 Sep - 07 Oct Turkish Airlines
16 Sep - 23 Sep Turkish Airlines
28 Sep - 12 Oct Turkish Airlines
17 Sep - 04 Oct Turkish Airlines
30 Sep - 27 Oct Turkish Airlines
03 Sep - 30 Sep AirAsia X
06 Sep - 14 Sep Air China
09 Sep - 14 Sep Air China
09 Sep - 16 Sep Air China
18 Sep - 28 Sep Turkish Airlines
11 Sep - 02 Oct Air China
11 Sep - 26 Oct Singapore Airlines
25 Sep - 14 Oct Air China
23 Sep - 21 Oct Air China
06 Sep - 21 Oct Air China
08 Sep - 21 Sep Singapore Airlines

Also check the deals for one-way flights from Sydney to London in September.

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

Book a cheap hotel in London

Cheap car rent in London