Cheapest return LIS–HEL flights, August

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

Return flights

21 Aug - 01 Sep Ryanair
24 Aug - 28 Aug Ryanair
17 Aug - 22 Aug Ryanair
20 Aug - 27 Aug Ryanair
06 Aug - 13 Aug Ryanair
16 Aug - 22 Aug TAP
22 Aug - 30 Aug Vueling Airlines
01 Aug - 25 Aug Vueling Airlines
20 Aug - 27 Aug Finnair direct
01 Aug - 08 Aug Vueling Airlines
01 Aug - 03 Aug easyJet Europe

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

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