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

Return flights

13 Mar - 25 Mar	Ryanair
20 Mar - 25 Mar	Ryanair
11 Mar - 14 Mar	Ryanair
14 Mar - 20 Mar	Ryanair
19 Mar - 25 Mar	Ryanair
24 Mar - 31 Mar	Ryanair
17 Mar - 20 Mar	Ryanair
12 Mar - 20 Mar	Ryanair
27 Mar - 31 Mar	Ryanair
23 Mar - 30 Mar	Norwegian Air Sweden AOC
31 Mar - 14 Apr	Lufthansa
20 Mar - 06 Apr	KLM
27 Mar - 07 Apr	KLM
06 Mar - 06 Apr	Lufthansa
20 Mar - 06 Apr	Finnair	direct
27 Mar - 07 Apr	TAP	direct
31 Mar - 14 Apr	TAP	direct
06 Mar - 06 Apr	TAP	direct

Also check the deals for one-way flights from Helsinki to Lisbon 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 Helsinki to Lisbon in March from 141€

Return flights