Cheapest return flights from Oslo to Porto in December from 155€

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

Return flights

11 Dec - 17 Dec Vueling Airlines
07 Dec - 17 Dec Vueling Airlines
07 Dec - 10 Dec Vueling Airlines
04 Dec - 07 Dec TAP
07 Dec - 24 Dec Vueling Airlines
11 Dec - 24 Dec Vueling Airlines
11 Dec - 13 Dec Lufthansa
11 Dec - 05 Jan Vueling Airlines
20 Dec - 31 Dec Ryanair
07 Dec - 27 Dec Vueling Airlines
11 Dec - 27 Dec Vueling Airlines
25 Dec - 01 Jan KLM
25 Dec - 14 Jan Vueling Airlines
18 Dec - 05 Jan Norwegian
27 Dec - 01 Jan KLM
28 Dec - 14 Jan Vueling Airlines
18 Dec - 04 Jan Norwegian
20 Dec - 05 Jan Ryanair
17 Dec - 07 Jan Lufthansa
20 Dec - 03 Jan Scandinavian Airlines

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

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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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