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

Return flights

11 Jan - 16 Jan	transavia	direct
09 Jan - 16 Jan	transavia	direct
23 Jan - 30 Jan	transavia	direct
25 Jan - 30 Jan	transavia	direct
07 Jan - 09 Jan	transavia	direct
06 Jan - 09 Jan	transavia	direct
23 Jan - 25 Jan	transavia	direct
21 Jan - 25 Jan	transavia	direct
25 Jan - 01 Feb	transavia	direct
18 Jan - 25 Jan	transavia	direct
05 Jan - 18 Jan	transavia	direct
31 Jan - 08 Feb	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 $133

Return flights