AirHint found the following cheapest one-way flights from Porto (OPO) to Bangkok (BKK) in December 2025 (see full year).
One-Way flights
| 31 Dec | Ryanair | ||
| 18 Dec | Ryanair | ||
| 10 Dec | easyJet | ||
| 09 Dec | easyJet | ||
| 08 Dec | Ryanair | ||
| 17 Dec | Ryanair | ||
| 07 Dec | TAP | ||
| 06 Dec | Ryanair | ||
| 15 Dec | Ryanair | ||
| 23 Dec | Ryanair |
Also check the deals for return flights from Porto to Bangkok in December.
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