AirHint found the following cheapest return flights from Christchurch (CHC) to Singapore (SIN) in August 2025 (see full year).

Return flights

08 Aug - 14 Aug	Jetstar
12 Aug - 22 Aug	Jetstar
05 Aug - 14 Sep	Jetstar
30 Aug - 14 Sep	Jetstar
05 Aug - 12 Aug	Jetstar
09 Aug - 12 Aug	Jetstar
01 Aug - 05 Aug	Jetstar
31 Aug - 22 Sep	Jetstar
30 Aug - 21 Sep	Jetstar
05 Aug - 15 Aug	Jetstar
05 Aug - 08 Aug	Jetstar
31 Aug - 25 Sep	Jetstar
31 Aug - 23 Sep	Jetstar
31 Aug - 24 Sep	Jetstar
07 Aug - 14 Aug	Qantas
01 Aug - 02 Sep	Singapore Airlines

Also check the deals for one-way flights from Christchurch to Singapore in August.

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 Singapore in August from $425

Return flights