Cheapest return flights from Oslo to Porto in September from 165€
AirHint found the following cheapest return flights from Oslo (OSL) to Porto (OPO)
in September 2026 (see full year ).
Return flights
09 Sep
- 14 Sep
TAP
165 €
08 Sep
- 13 Sep
TAP
184 €
21 Sep
- 29 Sep
Ryanair
215 €
16 Sep
- 18 Sep
Vueling Airlines
216 €
28 Sep
- 16 Oct
Norwegian Air Sweden AOC
233 €
18 Sep
- 20 Sep
Transavia France
270 €
28 Sep
- 09 Oct
Norwegian Air Sweden AOC
271 €
09 Sep
- 18 Sep
Vueling Airlines
272 €
16 Sep
- 28 Sep
Vueling Airlines
278 €
11 Sep
- 18 Sep
Norwegian
289 €
direct
09 Sep
- 18 Sep
Norwegian
309 €
direct
28 Sep
- 16 Oct
Norwegian
309 €
direct
16 Sep
- 18 Sep
Norwegian
311 €
direct
16 Sep
- 02 Oct
Vueling Airlines
332 €
16 Sep
- 05 Oct
Vueling Airlines
332 €
28 Sep
- 02 Oct
Norwegian Air Sweden AOC
349 €
28 Sep
- 09 Oct
Norwegian
373 €
direct
28 Sep
- 02 Oct
Norwegian
425 €
direct
28 Sep
- 05 Oct
Norwegian
425 €
direct
16 Sep
- 02 Oct
Norwegian
427 €
direct
Also check the deals for one-way flights from Oslo to Porto in September .
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