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

Return flights

10 Apr - 12 Apr	SWISS
17 Apr - 20 Apr	Lufthansa
24 Apr - 03 May	Lufthansa
25 Apr - 03 May	Lufthansa
10 Apr - 17 Apr	Lufthansa
02 Apr - 07 Apr	Air France
03 Apr - 06 Apr	SWISS
17 Apr - 17 Apr	Norwegian
17 Apr - 20 Apr	Norwegian	direct
10 Apr - 17 Apr	Norwegian	direct
13 Apr - 17 Apr	Norwegian	direct
13 Apr - 20 Apr	Norwegian	direct

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

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 April from 156€

Return flights