AirHint found the following cheapest return flights from Portland (PDX) to Bangkok (BKK) in July 2026 (see full year).
Return flights
| 26 Jul - 02 Aug | Alaska Airlines | ||
| 13 Jul - 31 Jul | Frontier Airlines | ||
| 02 Jul - 10 Jul | Alaska Airlines | ||
| 18 Jul - 25 Jul | Alaska Airlines | ||
| 15 Jul - 23 Jul | Alaska Airlines |
Also check the deals for one-way flights from Portland to Bangkok in July.
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