Cheapest return flights from Oslo to Porto in July from $223

Best time to book flights for Oslo (OSL) to Porto (OPO) flights at AirHint

AirHint found the following cheapest return flights from Oslo (OSL) to Porto (OPO) in July 2025 (see full year).

Return flights

01 Jul - 07 Jul Ryanair
01 Jul - 04 Jul Ryanair
02 Jul - 09 Jul Ryanair
04 Jul - 07 Jul Wizz Air
01 Jul - 08 Jul Ryanair
21 Jul - 28 Jul Vueling Airlines
21 Jul - 30 Jul Vueling Airlines
30 Jul - 18 Aug Vueling Airlines
21 Jul - 01 Aug Vueling Airlines
21 Jul - 29 Jul Vueling Airlines
08 Jul - 17 Jul Ryanair
30 Jul - 20 Aug Norwegian Air Sweden AOC
30 Jul - 18 Aug Norwegian direct
21 Jul - 04 Aug Vueling Airlines
30 Jul - 13 Aug Vueling Airlines
16 Jul - 04 Aug Norwegian Air Sweden AOC
17 Jul - 29 Jul Norwegian Air Sweden AOC
30 Jul - 13 Aug Norwegian direct
28 Jul - 18 Aug Vueling Airlines
30 Jul - 06 Aug Norwegian direct

Also check the deals for one-way flights from Oslo to Porto in July.

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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.

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