AirHint found the following cheapest return flights from Porto (OPO) to Bangkok (BKK) in January 2026 (see full year).

Return flights

15 Jan - 05 Feb	Air Europa
30 Jan - 06 Feb	Ryanair
14 Jan - 23 Jan	Qatar Airways
11 Jan - 26 Jan	Qatar Airways
08 Jan - 24 Jan	British Airways
15 Jan - 28 Jan	British Airways
29 Jan - 10 Feb	British Airways
14 Jan - 28 Jan	Qatar Airways
18 Jan - 25 Jan	KLM
09 Jan - 24 Jan	Qatar Airways
17 Jan - 25 Jan	KLM
11 Jan - 24 Jan	Qatar Airways
08 Jan - 22 Jan	Ryanair

Also check the deals for one-way flights from Porto to Bangkok in January.

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

Cheapest return flights from Porto to Bangkok in January from 618€

Return flights