Cheapest return flights from Bangkok to Kolkata in December from $250

Best time to book flights for Bangkok (BKK) to Kolkata (CCU) flights at AirHint

AirHint found the following cheapest return flights from Bangkok (BKK) to Kolkata (CCU) in December 2025 (see full year).

Return flights

07 Dec - 10 Dec Thai AirAsia direct
08 Dec - 10 Dec Thai AirAsia direct
07 Dec - 13 Dec Thai AirAsia direct
08 Dec - 13 Dec Thai AirAsia direct
31 Dec - 11 Jan Thai AirAsia direct
13 Dec - 03 Jan Thai AirAsia direct
18 Dec - 03 Jan Thai AirAsia direct
13 Dec - 30 Dec Thai AirAsia direct
12 Dec - 30 Dec Thai AirAsia direct
13 Dec - 28 Dec Thai AirAsia direct
12 Dec - 28 Dec Thai AirAsia direct
07 Dec - 28 Dec Thai AirAsia direct
08 Dec - 28 Dec Thai AirAsia direct
24 Dec - 11 Jan Thai AirAsia direct
23 Dec - 11 Jan Thai AirAsia direct
31 Dec - 03 Jan Thai AirAsia direct
23 Dec - 03 Jan Thai Airways direct
24 Dec - 03 Jan Thai Airways direct

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

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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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