Cheapest return flights from Porto to Oslo in August from $202

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

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

Return flights

06 Aug - 13 Aug Ryanair
11 Aug - 15 Aug Ryanair
27 Aug - 15 Sep Norwegian
29 Aug - 15 Sep Norwegian
29 Aug - 05 Sep easyJet
07 Aug - 13 Aug easyJet
06 Aug - 03 Sep Ryanair
23 Aug - 30 Aug Ryanair
22 Aug - 27 Aug Norwegian
01 Aug - 10 Aug easyJet
27 Aug - 03 Sep Norwegian
01 Aug - 13 Aug Norwegian direct
25 Aug - 01 Sep Ryanair
26 Aug - 30 Aug Norwegian Air Sweden AOC
15 Aug - 18 Aug TAP
27 Aug - 15 Sep Norwegian direct
27 Aug - 08 Sep Norwegian direct
22 Aug - 27 Aug Norwegian direct
29 Aug - 15 Sep Norwegian direct
29 Aug - 08 Sep Norwegian direct

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

Cheap car rent in Oslo