AirHint found the following cheapest return flights from Tiruchirappalli (TRZ) to Bangkok (DMK) in September 2025 (see full year).

Return flights

16 Sep - 19 Sep	IndiGo
17 Sep - 22 Sep	IndiGo
18 Sep - 24 Sep	IndiGo
02 Sep - 06 Sep	IndiGo
10 Sep - 13 Sep	IndiGo
01 Sep - 30 Sep	IndiGo
01 Sep - 10 Sep	IndiGo
24 Sep - 11 Oct	AirAsia
10 Sep - 30 Sep	AirAsia
01 Sep - 19 Sep	AirAsia
05 Sep - 19 Sep	AirAsia
29 Sep - 11 Oct	AirAsia
27 Sep - 11 Oct	AirAsia
29 Sep - 19 Oct	AirAsia
29 Sep - 20 Oct	AirAsia

Also check the deals for one-way flights from Tiruchirappalli to Bangkok 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 Tiruchirappalli to Bangkok in September from 213€

Return flights