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

Return flights

20 Aug - 17 Sep	easyJet	direct
17 Aug - 30 Sep	easyJet	direct
24 Aug - 10 Sep	easyJet	direct
31 Aug - 19 Sep	TAP	direct
28 Aug - 03 Sep	TAP	direct
27 Aug - 02 Sep	easyJet	direct
31 Aug - 03 Sep	TAP	direct
25 Aug - 03 Sep	easyJet	direct
26 Aug - 02 Sep	easyJet	direct
31 Aug - 02 Sep	TAP	direct
26 Aug - 29 Aug	easyJet	direct
28 Aug - 31 Aug	easyJet	direct
26 Aug - 30 Aug	TAP	direct
25 Aug - 30 Aug	TAP	direct
24 Aug - 26 Aug	easyJet
21 Aug - 26 Aug	easyJet
25 Aug - 26 Aug	easyJet
28 Aug - 30 Aug	TAP	direct
27 Aug - 30 Aug	TAP	direct
25 Aug - 28 Aug	easyJet	direct

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 103€

Return flights