AirHint found the following cheapest return flights from Oslo (OSL) to Porto (OPO)
in May 2025 (see full year ).
Return flights
03 May
- 07 May
Vueling Airlines
$ 165
14 May
- 28 May
Vueling Airlines
$ 167
12 May
- 28 May
Norwegian
$ 170
direct
10 May
- 17 May
Ryanair
$ 174
09 May
- 16 May
Ryanair
$ 174
12 May
- 14 May
Norwegian
$ 179
direct
14 May
- 28 May
Norwegian
$ 187
direct
14 May
- 19 May
Vueling Airlines
$ 188
12 May
- 19 May
Norwegian
$ 191
direct
05 May
- 07 May
Norwegian
$ 193
direct
31 May
- 18 Jun
Vueling Airlines
$ 197
14 May
- 04 Jun
Vueling Airlines
$ 206
26 May
- 13 Jun
Vueling Airlines
$ 221
19 May
- 06 Jun
Vueling Airlines
$ 229
30 May
- 18 Jun
Norwegian
$ 230
direct
26 May
- 06 Jun
Vueling Airlines
$ 232
19 May
- 06 Jun
Norwegian
$ 234
direct
19 May
- 04 Jun
Vueling Airlines
$ 236
26 May
- 11 Jun
Vueling Airlines
$ 239
26 May
- 04 Jun
Vueling Airlines
$ 239
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.
