AirHint found the following cheapest return flights from Christchurch (CHC) to London (LHR) in September 2025 (see full year).

Return flights

10 Sep - 29 Oct	British Airways
09 Sep - 18 Sep	British Airways
15 Sep - 23 Sep	Etihad Airways
06 Sep - 08 Sep	Etihad Airways
14 Sep - 05 Oct	British Airways
09 Sep - 18 Oct	Qantas
06 Sep - 13 Sep	Emirates
25 Sep - 16 Oct	Qantas
24 Sep - 16 Oct	Qantas
06 Sep - 25 Oct	Emirates
11 Sep - 23 Oct	Air New Zealand
02 Sep - 28 Sep	Etihad Airways
06 Sep - 12 Sep	Emirates
18 Sep - 07 Oct	Emirates
12 Sep - 03 Oct	Qantas
04 Sep - 10 Oct	Singapore Airlines
01 Sep - 30 Sep	Qantas
02 Sep - 29 Sep	Qantas
08 Sep - 22 Sep	Emirates
03 Sep - 28 Sep	Qantas

Also check the deals for one-way flights from Christchurch 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 Christchurch to London in September from $1332

Return flights