AirHint found the following cheapest return flights from Oslo (OSL) to Porto (OPO)
in July 2025 (see full year ).
Return flights
23 Jul
- 06 Aug
Norwegian
255 €
direct
25 Jul
- 06 Aug
Norwegian
255 €
direct
04 Jul
- 11 Jul
KLM
279 €
30 Jul
- 06 Aug
Norwegian
279 €
direct
23 Jul
- 13 Aug
Norwegian
288 €
25 Jul
- 13 Aug
Norwegian
288 €
25 Jul
- 13 Aug
Norwegian
299 €
direct
11 Jul
- 16 Jul
Norwegian
312 €
direct
30 Jul
- 13 Aug
Norwegian
312 €
30 Jul
- 13 Aug
Norwegian
323 €
direct
04 Jul
- 08 Jul
Norwegian
332 €
23 Jul
- 02 Aug
Norwegian
333 €
25 Jul
- 02 Aug
Norwegian
333 €
04 Jul
- 11 Jul
Norwegian
335 €
direct
04 Jul
- 16 Jul
Norwegian
341 €
direct
04 Jul
- 09 Jul
Norwegian
341 €
direct
18 Jul
- 23 Jul
Norwegian
371 €
direct
12 Jul
- 16 Jul
Vueling Airlines
385 €
19 Jul
- 23 Jul
Vueling Airlines
389 €
23 Jul
- 26 Jul
Norwegian
393 €
Also check the deals for one-way flights from Oslo to Porto in July .
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.