AirHint found the following cheapest return flights from Porto (OPO) to Oslo (OSL)
in May 2025 (see full year ).
Return flights
21 May
- 02 Jun
Norwegian
$ 107
direct
28 May
- 02 Jun
Norwegian
$ 129
direct
09 May
- 12 May
Ryanair
$ 131
14 May
- 02 Jun
Norwegian
$ 131
direct
30 May
- 02 Jun
Norwegian
$ 138
direct
07 May
- 12 May
Norwegian
$ 140
direct
19 May
- 02 Jun
Norwegian
$ 140
direct
09 May
- 12 May
Norwegian
$ 142
direct
21 May
- 04 Jun
Norwegian
$ 145
16 May
- 02 Jun
Norwegian
$ 149
direct
21 May
- 26 May
Norwegian
$ 151
02 May
- 12 May
Norwegian
$ 153
direct
23 May
- 02 Jun
Norwegian
$ 153
direct
16 May
- 19 May
easyJet
$ 163
09 May
- 14 May
Ryanair
$ 163
05 May
- 12 May
Ryanair
$ 165
09 May
- 15 May
Ryanair
$ 168
28 May
- 04 Jun
Norwegian
$ 168
10 May
- 15 May
Ryanair
$ 169
21 May
- 04 Jun
Norwegian
$ 172
direct
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.