Cheapest one-way flights from Oslo to Porto in August from $61

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
13 Aug Norwegian direct
15 Aug Norwegian direct
08 Aug Norwegian direct
20 Aug Norwegian direct
27 Aug Norwegian direct
25 Aug Norwegian direct
18 Aug Norwegian Air Sweden AOC
18 Aug Norwegian direct
29 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