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

Return flights

06 Dec - 20 Dec	Spirit Airlines
14 Dec - 26 Dec	Spirit Airlines
14 Dec - 27 Dec	Spirit Airlines
17 Dec - 31 Dec	Spirit Airlines
26 Dec - 09 Jan	Spirit Airlines
30 Dec - 07 Jan	Spirit Airlines
17 Dec - 01 Jan	Spirit Airlines
17 Dec - 02 Jan	Spirit Airlines
17 Dec - 03 Jan	Spirit Airlines
18 Dec - 03 Jan	Alaska Airlines
22 Dec - 03 Jan	Spirit Airlines
09 Dec - 24 Dec	Delta
09 Dec - 27 Dec	Delta
09 Dec - 26 Dec	Delta
21 Dec - 03 Jan	Spirit Airlines
19 Dec - 03 Jan	Spirit Airlines
20 Dec - 03 Jan	Spirit Airlines

Also check the deals for one-way flights from Detroit 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 Detroit to Bangkok in December from 957€

Return flights