AirHint found the following cheapest return flights from Oslo (OSL) to Porto (OPO)
in October 2025 (see full year ).
Return flights
20 Oct
- 22 Oct
Vueling Airlines
$ 166
31 Oct
- 03 Nov
TAP
$ 175
31 Oct
- 04 Nov
TAP
$ 175
30 Oct
- 03 Nov
TAP
$ 175
18 Oct
- 22 Oct
Vueling Airlines
$ 188
13 Oct
- 15 Oct
Norwegian
$ 194
direct
13 Oct
- 22 Oct
Norwegian
$ 194
direct
15 Oct
- 22 Oct
Vueling Airlines
$ 195
20 Oct
- 05 Nov
Vueling Airlines
$ 211
06 Oct
- 15 Oct
Norwegian
$ 219
direct
06 Oct
- 22 Oct
Norwegian
$ 219
direct
20 Oct
- 22 Oct
Norwegian
$ 219
direct
20 Oct
- 08 Nov
Vueling Airlines
$ 220
22 Oct
- 05 Nov
Vueling Airlines
$ 222
22 Oct
- 08 Nov
Vueling Airlines
$ 231
18 Oct
- 05 Nov
Vueling Airlines
$ 233
22 Oct
- 24 Oct
Vueling Airlines
$ 242
18 Oct
- 08 Nov
Vueling Airlines
$ 242
13 Oct
- 17 Oct
Norwegian
$ 244
direct
24 Oct
- 05 Nov
Norwegian
$ 252
Also check the deals for one-way flights from Oslo to Porto in October .
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.