Cheapest one-way flights from Phoenix to Bangkok in December from $559

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

One-Way flights

24 Dec Alaska Airlines
25 Dec Asiana Airlines

Also check the deals for return flights from Phoenix to Bangkok in December.

Skyscanner

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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