AirHint found the following cheapest return flights from Porto (OPO) to Oslo (OSL)
in May 2025 (see full year ).
Return flights
21 May
- 04 Jun
Norwegian
$ 137
21 May
- 02 Jun
Norwegian
$ 141
direct
14 May
- 16 May
Ryanair
$ 154
21 May
- 04 Jun
Norwegian
$ 154
direct
09 May
- 14 May
Norwegian
$ 155
09 May
- 12 May
Norwegian
$ 156
direct
14 May
- 02 Jun
Norwegian
$ 156
direct
09 May
- 17 May
Norwegian
$ 157
14 May
- 17 May
Norwegian
$ 157
09 May
- 14 May
Norwegian
$ 158
direct
09 May
- 19 May
Norwegian
$ 158
direct
09 May
- 16 May
Norwegian
$ 158
14 May
- 19 May
Norwegian
$ 158
direct
09 May
- 10 May
Norwegian
$ 162
21 May
- 09 Jun
Norwegian
$ 163
direct
14 May
- 04 Jun
Norwegian
$ 168
direct
30 May
- 04 Jun
Norwegian
$ 174
30 May
- 02 Jun
Norwegian
$ 177
direct
19 May
- 04 Jun
Norwegian
$ 177
23 May
- 04 Jun
Norwegian
$ 177
Also check the deals for one-way flights from Porto to Oslo in May .
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.
