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

Return flights

01 Dec - 08 Dec	Korean Air
04 Dec - 11 Dec	Frontier Airlines
03 Dec - 10 Dec	Spirit Airlines
09 Dec - 16 Dec	Frontier Airlines
02 Dec - 09 Dec	Spirit Airlines
02 Dec - 10 Dec	IndiGo
07 Dec - 14 Dec	Frontier Airlines
05 Dec - 16 Dec	TAP
05 Dec - 12 Dec	TAP
04 Dec - 22 Dec	Spirit Airlines
10 Dec - 24 Jan	TAP
25 Dec - 20 Jan	Frontier Airlines
29 Dec - 08 Jan	Turkish Airlines
29 Dec - 09 Jan	Turkish Airlines
31 Dec - 08 Jan	Spirit Airlines
25 Dec - 10 Jan	Hawaiian Airlines
16 Dec - 17 Jan	Frontier Airlines
27 Dec - 11 Jan	Frontier Airlines
25 Dec - 05 Jan	Hawaiian Airlines
26 Dec - 10 Jan	Hawaiian Airlines

Also check the deals for one-way flights from Miami 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 Miami to Bangkok in December from $933

Return flights