AirHint found the following cheapest return flights from Shanghai (SHA) to Colombo (CMB) in September 2025 (see full year).

Return flights

12 Sep - 19 Sep	China Southern
15 Sep - 22 Sep	China Southern
17 Sep - 24 Sep	China Southern
14 Sep - 21 Sep	VietJet Air
05 Sep - 07 Sep	AirAsia X
11 Sep - 18 Sep	Thai AirAsia X
13 Sep - 28 Sep	AirAsia X
13 Sep - 25 Sep	AirAsia X
09 Sep - 28 Sep	AirAsia X
09 Sep - 25 Sep	AirAsia X
24 Sep - 12 Oct	AirAsia X
25 Sep - 12 Oct	AirAsia X
22 Sep - 12 Oct	AirAsia X
26 Sep - 12 Oct	Thai AirAsia X
24 Sep - 07 Oct	AirAsia X
19 Sep - 07 Oct	AirAsia X
17 Sep - 07 Oct	AirAsia X
25 Sep - 07 Oct	AirAsia X
18 Sep - 07 Oct	Thai AirAsia X
21 Sep - 07 Oct	Thai AirAsia X

Also check the deals for one-way flights from Shanghai to Colombo 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 Shanghai to Colombo in September from 281€

Return flights