Cheapest return flights from Phoenix to Bangkok in December from $833

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

Return flights

01 Dec - 12 Dec Korean Air
13 Dec - 23 Dec Korean Air
27 Dec - 14 Jan Delta
27 Dec - 13 Jan Delta
29 Dec - 04 Jan Asiana Airlines
15 Dec - 12 Jan Delta
11 Dec - 03 Jan Air Canada

Also check the deals for one-way flights from Phoenix to Bangkok 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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