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

Return flights

31 Jan - 07 Feb	Ryanair
21 Jan - 24 Jan	Ryanair
31 Jan - 04 Feb	Ryanair
16 Jan - 24 Jan	Ryanair
31 Jan - 08 Feb	Ryanair
22 Jan - 31 Jan	Ryanair
25 Jan - 31 Jan	Ryanair
25 Jan - 30 Jan	Ryanair
26 Jan - 31 Jan	Ryanair
24 Jan - 30 Jan	Ryanair
12 Jan - 16 Jan	Ryanair
12 Jan - 17 Jan	Ryanair
16 Jan - 20 Jan	Ryanair
23 Jan - 01 Feb	Scandinavian Airlines
24 Jan - 02 Feb	Ryanair
29 Jan - 07 Feb	Vueling Airlines
25 Jan - 01 Feb	Ryanair
24 Jan - 01 Feb	Ryanair
30 Jan - 01 Feb	Scandinavian Airlines
26 Jan - 01 Feb	Ryanair

Also check the deals for one-way flights from Lisbon to Helsinki 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 Lisbon to Helsinki in January from 124€

Return flights