Cheapest return flights from Bangkok to Kolkata in September from $260

AirHint found the following cheapest return flights from Bangkok (BKK) to Kolkata (CCU) in September 2026 (see full year).

Return flights

11 Sep - 18 Sep IndiGo
14 Sep - 18 Sep IndiGo
13 Sep - 20 Sep Thai AirAsia direct
11 Sep - 18 Sep Thai AirAsia direct
14 Sep - 18 Sep Thai AirAsia direct
04 Sep - 19 Sep Air India Express
04 Sep - 17 Sep Air India Express
04 Sep - 12 Sep Air India Express
14 Sep - 19 Sep Air India Express
14 Sep - 17 Sep Air India Express
20 Sep - 01 Oct Air India Express
20 Sep - 08 Oct Air India Express
20 Sep - 04 Oct Air India Express
14 Sep - 01 Oct Air India Express
14 Sep - 04 Oct Air India Express
13 Sep - 01 Oct Air India Express
13 Sep - 04 Oct Air India Express
11 Sep - 01 Oct Air India Express
16 Sep - 01 Oct Air India Express
16 Sep - 04 Oct Air India Express

Also check the deals for one-way flights from Bangkok to Kolkata in September.

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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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