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

Return flights

14 Jan - 18 Jan	transavia	direct
16 Jan - 18 Jan	transavia	direct
18 Jan - 21 Jan	transavia	direct
02 Jan - 06 Jan	transavia	direct
02 Jan - 09 Jan	transavia	direct
18 Jan - 24 Jan	transavia
09 Jan - 18 Jan	transavia	direct
09 Jan - 21 Jan	transavia
10 Jan - 21 Jan	transavia
08 Jan - 11 Jan	transavia

Also check the deals for one-way flights from Rotterdam to Barcelona 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 Barcelona in January from $146

Return flights