Cheapest return flights from Lisbon to Helsinki in May from $207

Best time to book flights for Lisbon (LIS) to Helsinki (HEL) flights at AirHint

AirHint found the following cheapest return flights from Lisbon (LIS) to Helsinki (HEL) in May 2025 (see full year).

Return flights

08 May - 13 May Norwegian Air Sweden AOC
07 May - 10 May Ryanair
07 May - 12 May Vueling Airlines
21 May - 28 May Ryanair
14 May - 18 May Ryanair
01 May - 04 May Norwegian Air Sweden AOC
28 May - 04 Jun Ryanair
10 May - 17 May easyJet
29 May - 04 Jun Lufthansa
05 May - 10 May TAP
02 May - 10 May Lufthansa
09 May - 16 May easyJet
25 May - 01 Jun Ryanair
25 May - 01 Jun Finnair direct
28 May - 04 Jun TAP direct
29 May - 04 Jun TAP direct

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

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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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