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

Return flights

13 Dec - 17 Dec	easyJet
15 Dec - 17 Dec	easyJet	direct
15 Dec - 24 Dec	easyJet
15 Dec - 18 Dec	easyJet	direct
15 Dec - 24 Dec	easyJet	direct
31 Dec - 26 Jan	easyJet	direct
16 Dec - 17 Dec	easyJet
15 Dec - 19 Dec	easyJet	direct
16 Dec - 18 Dec	easyJet
13 Dec - 15 Dec	easyJet
15 Dec - 20 Dec	easyJet	direct
15 Dec - 21 Jan	easyJet	direct
31 Dec - 21 Jan	easyJet	direct
31 Dec - 22 Jan	easyJet	direct
30 Dec - 26 Jan	easyJet	direct
31 Dec - 28 Jan	easyJet	direct
31 Dec - 23 Jan	easyJet	direct
15 Dec - 23 Jan	easyJet	direct
15 Dec - 24 Jan	easyJet	direct
16 Dec - 15 Jan	TAP

Also check the deals for one-way flights from Geneva to Porto in December.

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 Porto in December from $136

Return flights