AirHint found the following cheapest return flights from Dallas-Fort Worth (DFW) to Bangkok (BKK) in December 2025 (see full year).

Return flights

01 Dec - 21 Jan	Korean Air
01 Dec - 15 Dec	Korean Air
05 Dec - 19 Dec	Korean Air
12 Dec - 20 Dec	Spirit Airlines
28 Dec - 10 Jan	Frontier Airlines
25 Dec - 09 Jan	Frontier Airlines
16 Dec - 21 Dec	Korean Air
22 Dec - 09 Jan	Frontier Airlines
21 Dec - 12 Jan	Hawaiian Airlines
21 Dec - 09 Jan	Frontier Airlines
23 Dec - 10 Jan	Frontier Airlines
20 Dec - 09 Jan	Frontier Airlines
21 Dec - 07 Jan	Hawaiian Airlines
20 Dec - 08 Jan	Frontier Airlines
20 Dec - 27 Dec	Frontier Airlines

Also check the deals for one-way flights from Dallas-Fort Worth to Bangkok 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 Dallas-Fort Worth to Bangkok in December from 724€

Return flights