Cheapest one-way flights from Oslo to Porto in August from $62

Best time to book flights for Oslo (OSL) to Porto (OPO) flights at AirHint

AirHint found the following cheapest one-way flights from Oslo (OSL) to Porto (OPO) in August 2025 (see full year).

One-Way flights

06 Aug Norwegian direct
01 Aug Norwegian direct
15 Aug Norwegian direct
13 Aug Norwegian direct
20 Aug Norwegian direct
11 Aug Norwegian direct
27 Aug Scandinavian Airlines
30 Aug Ryanair
22 Aug Norwegian direct
18 Aug Norwegian direct

Also check the deals for return flights from Oslo to Porto in August.

Skyscanner

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.

Book a cheap hotel in Porto

Cheap car rent in Porto