AirHint found the following cheapest return flights from Lisbon (LIS) to Geneva (GVA) in August 2025 (see full year).

Return flights

28 Aug - 04 Sep	easyJet	direct
31 Aug - 07 Sep	TAP
28 Aug - 01 Sep	easyJet	direct
29 Aug - 01 Sep	easyJet	direct
30 Aug - 02 Sep	easyJet	direct
28 Aug - 18 Sep	Vueling Airlines
28 Aug - 16 Sep	Vueling Airlines
28 Aug - 17 Sep	Vueling Airlines
30 Aug - 07 Sep	TAP
27 Aug - 28 Aug	easyJet
30 Aug - 07 Sep	easyJet	direct
21 Aug - 24 Aug	Ryanair
21 Aug - 28 Aug	Ryanair
25 Aug - 31 Aug	Air Europa
06 Aug - 10 Aug	TAP
27 Aug - 28 Aug	easyJet	direct
06 Aug - 27 Aug	Vueling Airlines
19 Aug - 26 Aug	Vueling Airlines
06 Aug - 14 Aug	easyJet
06 Aug - 11 Aug	easyJet

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

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 Geneva in August from 155€

Return flights