Cheapest return flights from Kolkata to Bangkok in September from $149

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

Return flights

07 Sep - 14 Sep Thai VietJet Air direct
14 Sep - 21 Sep Thai VietJet Air direct
21 Sep - 28 Sep Thai VietJet Air direct
01 Sep - 08 Sep Thai Lion Air direct
03 Sep - 10 Sep Thai Lion Air direct
05 Sep - 12 Sep Thai Lion Air direct
08 Sep - 15 Sep Thai Lion Air direct
10 Sep - 17 Sep Thai Lion Air direct
12 Sep - 19 Sep Thai Lion Air direct
15 Sep - 22 Sep Thai Lion Air direct
24 Sep - 01 Oct Thai Lion Air direct
26 Sep - 03 Oct Thai Lion Air direct
28 Sep - 05 Oct Thai Lion Air direct
29 Sep - 06 Oct Thai Lion Air direct
30 Sep - 07 Oct Thai AirAsia direct
25 Sep - 02 Oct Thai AirAsia direct
27 Sep - 04 Oct Malaysia Airlines
20 Sep - 02 Oct Malaysia Airlines
27 Sep - 04 Oct Thai AirAsia direct
20 Sep - 02 Oct Thai Airways direct

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