Cheapest return flights from Phoenix to Bangkok in September from 704€

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

Return flights

10 Sep - 17 Sep Delta
08 Sep - 15 Sep Delta
12 Sep - 19 Sep Delta
13 Sep - 27 Sep Korean Air
01 Sep - 15 Sep Frontier Airlines
22 Sep - 06 Oct Delta
24 Sep - 11 Oct Frontier Airlines
20 Sep - 30 Sep Delta

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

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.

Book a cheap hotel in Bangkok

Cheap car rent in Bangkok

Feel free to contact us with any feedback or request another flight research.