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

Return flights

31 Aug - 03 Sep	TAP
29 Aug - 31 Aug	easyJet	direct
29 Aug - 02 Sep	easyJet
30 Aug - 03 Sep	easyJet	direct
27 Aug - 03 Sep	Norwegian
27 Aug - 02 Sep	Norwegian
30 Aug - 15 Sep	easyJet	direct
29 Aug - 02 Sep	easyJet	direct
27 Aug - 03 Sep	easyJet	direct
25 Aug - 03 Sep	Ryanair
25 Aug - 27 Aug	Ryanair
04 Aug - 18 Aug	TAP
28 Aug - 04 Sep	easyJet	direct
05 Aug - 19 Aug	easyJet
30 Aug - 31 Aug	easyJet	direct
26 Aug - 31 Aug	Ryanair
28 Aug - 31 Aug	easyJet	direct
27 Aug - 30 Aug	Norwegian
27 Aug - 31 Aug	easyJet	direct
21 Aug - 26 Aug	easyJet	direct

Also check the deals for one-way flights from Porto 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 Porto to Geneva in August from 158€

Return flights