AirHint found the following cheapest return flights from Naples (NAP) to Oslo (OSL) in May 2026 (see full year).

Return flights

15 May - 19 May	SWISS
08 May - 11 May	SWISS
01 May - 04 May	Lufthansa
29 May - 01 Jun	SWISS
01 May - 05 May	Ryanair
04 May - 08 May	Lufthansa
01 May - 03 May	Air Serbia
01 May - 15 May	Lufthansa
29 May - 01 Jun	Norwegian	direct
22 May - 01 Jun	Norwegian
31 May - 01 Jun	Ryanair
01 May - 15 May	Norwegian	direct
22 May - 01 Jun	Norwegian	direct
01 May - 04 May	Norwegian	direct
08 May - 15 May	Norwegian	direct
11 May - 01 Jun	Norwegian	direct

Also check the deals for one-way flights from Naples to Oslo 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.

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Cheapest return flights from Naples to Oslo in May from 157€

Return flights