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

Return flights

23 Jan - 16 Feb	British Airways
23 Jan - 23 Feb	British Airways
11 Jan - 24 Jan	British Airways
15 Jan - 01 Feb	British Airways
12 Jan - 26 Jan	British Airways
09 Jan - 28 Jan	British Airways
02 Jan - 14 Jan	British Airways

Also check the deals for one-way flights from Rotterdam 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.

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Cheapest return flights from Rotterdam to Bangkok in January from 788€

Return flights