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

Return flights

04 Mar - 07 Mar	Ryanair
04 Mar - 10 Mar	Ryanair
07 Mar - 10 Mar	Ryanair
07 Mar - 14 Mar	Ryanair
05 Mar - 08 Mar	Ryanair
04 Mar - 09 Mar	Ryanair
03 Mar - 07 Mar	Ryanair
10 Mar - 13 Mar	Ryanair
05 Mar - 09 Mar	Ryanair
13 Mar - 16 Mar	Ryanair
28 Mar - 05 Apr	Ryanair
27 Mar - 06 Apr	Ryanair
30 Mar - 03 Apr	Ryanair
20 Mar - 03 Apr	Ryanair
30 Mar - 01 Apr	Ryanair
31 Mar - 02 Apr	Wizz Air
28 Mar - 02 Apr	Ryanair
28 Mar - 05 Apr	Finnair	direct
28 Mar - 06 Apr	KLM
27 Mar - 06 Apr	Finnair	direct

Also check the deals for one-way flights from Lisbon to Helsinki in March.

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 March from 102€

Return flights