AirHint found the following cheapest return flights from Oslo (OSL) to Porto (OPO) in February 2026 (see full year).

Return flights

12 Feb - 20 Feb	SWISS
22 Feb - 04 Mar	Vueling Airlines
15 Feb - 23 Feb	Lufthansa
12 Feb - 04 Mar	Vueling Airlines
14 Feb - 23 Feb	Lufthansa
16 Feb - 23 Feb	Scandinavian Airlines
12 Feb - 21 Feb	SWISS
15 Feb - 22 Feb	Transavia France
13 Feb - 22 Feb	Transavia France
15 Feb - 21 Feb	Lufthansa
15 Feb - 04 Mar	Vueling Airlines
13 Feb - 21 Feb	Transavia France
14 Feb - 21 Feb	Lufthansa

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

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 Oslo to Porto in February from $217

Return flights