Cheapest return flights from Phoenix to Bangkok in May from $889

Best time to book flights for Phoenix (PHX) to Bangkok (BKK) flights at AirHint

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

Return flights

05 May - 24 May Frontier Airlines
01 May - 10 May Cathay Pacific
01 May - 08 May Frontier Airlines
07 May - 09 May Asiana Airlines
08 May - 11 May WestJet
01 May - 09 May Cathay Pacific
21 May - 25 May Air Canada
17 May - 22 Jun Cathay Pacific
16 May - 22 Jun Spirit Airlines
23 May - 30 May WestJet
31 May - 12 Jun WestJet
27 May - 26 Jun Frontier Airlines
05 May - 11 May Allegiant Air

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

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