AirHint found the following cheapest return flights from Oslo (OSL) to Porto (OPO) in January 2026 (see full year).
Return flights
| 28 Jan - 01 Feb | Ryanair | ||
| 27 Jan - 30 Jan | Ryanair | ||
| 28 Jan - 31 Jan | Ryanair | ||
| 29 Jan - 01 Feb | TAP | ||
| 30 Jan - 06 Feb | KLM | ||
| 29 Jan - 15 Feb | Vueling Airlines |
Also check the deals for one-way flights from Oslo to Porto in January.
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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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