Cheapest return flights from Oslo to Porto in May from $187
AirHint found the following cheapest return flights from Oslo (OSL) to Porto (OPO)
in May 2026 (see full year ).
Return flights
25 May
- 29 May
TAP
$ 187
11 May
- 20 May
Norwegian
$ 204
direct
25 May
- 12 Jun
Norwegian Air Sweden AOC
$ 210
25 May
- 12 Jun
Norwegian
$ 214
direct
14 May
- 21 May
TAP
$ 220
25 May
- 05 Jun
Norwegian Air Sweden AOC
$ 225
11 May
- 29 May
Norwegian
$ 229
direct
25 May
- 05 Jun
Norwegian
$ 229
direct
11 May
- 13 May
Norwegian
$ 230
direct
08 May
- 11 May
Scandinavian Airlines
$ 239
15 May
- 20 May
Norwegian
$ 240
direct
04 May
- 20 May
Norwegian
$ 255
direct
01 May
- 20 May
Norwegian
$ 255
direct
15 May
- 29 May
Norwegian
$ 266
direct
25 May
- 08 Jun
Norwegian Air Sweden AOC
$ 310
22 May
- 05 Jun
Norwegian
$ 317
direct
15 May
- 03 Jun
Norwegian
$ 327
direct
25 May
- 08 Jun
Norwegian
$ 341
direct
25 May
- 03 Jun
Norwegian Air Sweden AOC
$ 353
25 May
- 03 Jun
Norwegian
$ 356
direct
Also check the deals for one-way flights from Oslo to Porto in May .
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