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

Return flights

30 Dec - 06 Jan	Xiamen Airlines
29 Dec - 05 Jan	Hainan Airlines
28 Dec - 05 Jan	Xiamen Airlines
31 Dec - 04 Jan	Xiamen Airlines
31 Dec - 05 Jan	Air China
30 Dec - 04 Jan	Air China
30 Dec - 06 Jan	Thai AirAsia	direct
30 Dec - 03 Jan	China Eastern
28 Dec - 05 Jan	China Eastern	direct
31 Dec - 05 Jan	Thai Airways	direct
27 Dec - 31 Dec	Thai AirAsia	direct
26 Dec - 31 Dec	Thai AirAsia	direct

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

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 Bangkok to Kunming in December from $243

Return flights