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

Return flights

17 Jan - 25 Jan	Ryanair
25 Jan - 31 Jan	Ryanair
23 Jan - 01 Feb	Ryanair
28 Jan - 04 Feb	Ryanair
16 Jan - 24 Jan	Ryanair
30 Jan - 06 Feb	Ryanair
15 Jan - 19 Jan	Ryanair
28 Jan - 02 Feb	Ryanair
23 Jan - 31 Jan	Ryanair
28 Jan - 01 Feb	Ryanair
14 Jan - 19 Jan	Ryanair
24 Jan - 01 Feb	Ryanair
18 Jan - 25 Jan	Ryanair
25 Jan - 30 Jan	Ryanair
25 Jan - 01 Feb	Ryanair
16 Jan - 19 Jan	Ryanair
09 Jan - 16 Jan	Ryanair
29 Jan - 07 Feb	Ryanair
29 Jan - 16 Feb	Ryanair
25 Jan - 01 Feb	Finnair	direct

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 158€

Return flights