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

Return flights

15 Jan - 22 Jan	transavia	direct
18 Jan - 22 Jan	transavia	direct
29 Jan - 01 Feb	transavia	direct
15 Jan - 25 Jan	transavia	direct
15 Jan - 18 Jan	transavia	direct
18 Jan - 21 Jan	transavia
05 Jan - 08 Jan	transavia
06 Jan - 13 Feb	transavia
08 Jan - 11 Jan	transavia
04 Jan - 08 Jan	transavia
08 Jan - 11 Jan	transavia	direct
08 Jan - 15 Feb	transavia
13 Jan - 23 Jan	transavia
08 Jan - 15 Feb	transavia	direct
31 Jan - 22 Feb	transavia

Also check the deals for one-way flights from Rotterdam to Lisbon 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 Lisbon in January from $130

Return flights