AirHint found the following cheapest return flights from Oslo (OSL) to Porto (OPO)
in May 2025 (see full year ).
Return flights
12 May
- 21 May
Norwegian
$ 115
direct
12 May
- 28 May
Norwegian
$ 139
direct
12 May
- 19 May
Norwegian
$ 149
direct
15 May
- 21 May
Ryanair
$ 161
07 May
- 21 May
Norwegian
$ 162
direct
12 May
- 30 May
Norwegian
$ 162
direct
12 May
- 23 May
Norwegian
$ 162
direct
12 May
- 16 May
Norwegian
$ 162
direct
14 May
- 21 May
Norwegian
$ 165
direct
19 May
- 23 May
easyJet
$ 165
26 May
- 13 Jun
Vueling Airlines
$ 176
30 May
- 04 Jun
Volotea
$ 191
26 May
- 11 Jun
Vueling Airlines
$ 195
26 May
- 06 Jun
Vueling Airlines
$ 210
21 May
- 11 Jun
Vueling Airlines
$ 211
19 May
- 06 Jun
Vueling Airlines
$ 215
17 May
- 06 Jun
Vueling Airlines
$ 221
26 May
- 04 Jun
Vueling Airlines
$ 221
19 May
- 06 Jun
Norwegian
$ 223
direct
21 May
- 06 Jun
Vueling Airlines
$ 225
Also check the deals for one-way flights from Oslo to Porto 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.
