AirHint found the following cheapest return flights from Oslo (OSL) to Porto (OPO)
in July 2025 (see full year ).
Return flights
01 Jul
- 04 Jul
Ryanair
$ 267
01 Jul
- 07 Jul
Ryanair
$ 271
04 Jul
- 14 Jul
Ryanair
$ 286
04 Jul
- 07 Jul
Ryanair
$ 289
01 Jul
- 15 Jul
Ryanair
$ 295
14 Jul
- 18 Jul
Vueling Airlines
$ 315
02 Jul
- 16 Jul
Ryanair
$ 318
02 Jul
- 07 Jul
Vueling Airlines
$ 319
07 Jul
- 09 Jul
Vueling Airlines
$ 319
19 Jul
- 23 Jul
Ryanair
$ 338
25 Jul
- 01 Aug
Norwegian
$ 383
direct
23 Jul
- 01 Aug
Norwegian
$ 385
direct
04 Jul
- 08 Aug
Ryanair
$ 391
14 Jul
- 01 Aug
Vueling Airlines
$ 391
21 Jul
- 06 Aug
Vueling Airlines
$ 396
25 Jul
- 06 Aug
Norwegian
$ 403
direct
23 Jul
- 06 Aug
Norwegian
$ 405
direct
21 Jul
- 01 Aug
Norwegian
$ 405
direct
04 Jul
- 11 Aug
Ryanair
$ 412
21 Jul
- 08 Aug
Vueling Airlines
$ 416
Also check the deals for one-way flights from Oslo to Porto in July .
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.