AirHint found the following cheapest return flights from Adelaide (ADL) to London (LGW) in September 2026 (see full year).

Return flights

15 Sep - 13 Oct	Indonesia AirAsia
15 Sep - 30 Sep	Emirates
17 Sep - 20 Oct	Emirates
12 Sep - 04 Oct	Emirates
26 Sep - 09 Oct	Emirates
25 Sep - 23 Oct	Emirates
01 Sep - 30 Sep	Malaysia Airlines
02 Sep - 16 Sep	British Airways
05 Sep - 19 Sep	British Airways
08 Sep - 22 Sep	British Airways
13 Sep - 27 Sep	British Airways
14 Sep - 28 Sep	British Airways
15 Sep - 29 Sep	British Airways
03 Sep - 17 Sep	British Airways
06 Sep - 20 Sep	British Airways
17 Sep - 01 Oct	British Airways
18 Sep - 10 Oct	British Airways
18 Sep - 02 Oct	British Airways
19 Sep - 03 Oct	British Airways

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

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.

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Cheapest return flights from Adelaide to London in September from $1258

Return flights