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

Return flights

31 Jul - 06 Aug	Finnair	direct
25 Jul - 03 Aug	Vueling Airlines
20 Jul - 28 Jul	Ryanair
23 Jul - 26 Jul	Ryanair
25 Jul - 01 Aug	Vueling Airlines
30 Jul - 08 Aug	Air France
24 Jul - 17 Aug	Air France
24 Jul - 17 Aug	Finnair	direct
24 Jul - 28 Jul	Finnair
28 Jul - 04 Aug	Vueling Airlines
28 Jul - 04 Aug	Finnair	direct
24 Jul - 28 Jul	Finnair	direct
30 Jul - 08 Aug	Finnair	direct
04 Jul - 11 Jul	TAP
20 Jul - 28 Jul	Finnair	direct
25 Jul - 03 Aug	Finnair	direct
04 Jul - 11 Jul	TAP	direct

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

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 July from 270€

Return flights