AirHint found the following cheapest return flights from Oslo (OSL) to Porto (OPO)
in May 2025 (see full year ).
Return flights
31 May
- 11 Jun
Vueling Airlines
$ 164
31 May
- 13 Jun
Vueling Airlines
$ 164
31 May
- 20 Jun
Vueling Airlines
$ 173
31 May
- 18 Jun
Vueling Airlines
$ 174
31 May
- 16 Jun
Vueling Airlines
$ 174
30 May
- 02 Jun
Ryanair
$ 174
19 May
- 21 May
Ryanair
$ 175
26 May
- 30 May
Ryanair
$ 193
30 May
- 11 Jun
Norwegian
$ 196
direct
30 May
- 13 Jun
Norwegian
$ 196
direct
26 May
- 02 Jun
Ryanair
$ 197
26 May
- 11 Jun
Norwegian Air Sweden AOC
$ 200
21 May
- 23 May
Ryanair
$ 202
18 May
- 22 May
Ryanair
$ 206
22 May
- 29 May
Ryanair
$ 208
23 May
- 30 May
Wizz Air
$ 215
22 May
- 24 May
Ryanair
$ 220
24 May
- 30 May
Ryanair
$ 225
26 May
- 30 May
Norwegian
$ 242
direct
26 May
- 28 May
Norwegian
$ 245
direct
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.