Cheapest return flights from Lisbon to Helsinki in April from $235

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

Return flights

22 Apr - 25 Apr Ryanair
08 Apr - 12 Apr Ryanair
08 Apr - 11 Apr Ryanair
23 Apr - 25 Apr Ryanair
24 Apr - 26 Apr easyJet
02 Apr - 07 Apr Ryanair
03 Apr - 08 Apr KLM
04 Apr - 08 Apr KLM
22 Apr - 13 May Ryanair
01 Apr - 10 Apr KLM
03 Apr - 10 Apr KLM
22 Apr - 13 May TAP direct

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

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