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

Return flights

28 Aug - 19 Sep	easyJet	direct
20 Aug - 11 Sep	easyJet	direct
26 Aug - 03 Sep	easyJet	direct
26 Aug - 09 Sep	Vueling Airlines
29 Aug - 05 Sep	easyJet	direct
14 Aug - 06 Sep	easyJet	direct
26 Aug - 11 Sep	Vueling Airlines
26 Aug - 15 Sep	Vueling Airlines
29 Aug - 06 Sep	easyJet	direct
26 Aug - 02 Sep	easyJet	direct
16 Aug - 28 Aug	TAP
24 Aug - 28 Aug	TAP
27 Aug - 28 Aug	TAP
25 Aug - 31 Aug	easyJet
26 Aug - 31 Aug	easyJet
26 Aug - 29 Aug	Vueling Airlines
21 Aug - 31 Aug	easyJet
22 Aug - 28 Aug	TAP
17 Aug - 27 Aug	TAP
28 Aug - 31 Aug	easyJet

Also check the deals for one-way flights from Geneva to Lisbon 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 Geneva to Lisbon in August from $95

Return flights