Cheapest return flights from Portland to Bangkok in April from $823

AirHint found the following cheapest return flights from Portland (PDX) to Bangkok (BKK) in April 2026 (see full year).

Return flights

01 Apr - 15 Apr Korean Air
01 Apr - 08 Apr Alaska Airlines
15 Apr - 27 May Alaska Airlines
13 Apr - 29 May Alaska Airlines
15 Apr - 30 May Alaska Airlines
10 Apr - 25 Apr Alaska Airlines
01 Apr - 11 Apr Alaska Airlines

Also check the deals for one-way flights from Portland to Bangkok in April.

Powered by

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.