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

Return flights

18 Apr - 24 Apr	Iberia
08 Apr - 15 Apr	Vueling Airlines
10 Apr - 15 Apr	Vueling Airlines
08 Apr - 11 Apr	Vueling Airlines
08 Apr - 25 Apr	Vueling Airlines
10 Apr - 25 Apr	Vueling Airlines
21 Apr - 25 Apr	Vueling Airlines
07 Apr - 22 Apr	Iberia
18 Apr - 24 Apr	TAP	direct
21 Apr - 25 Apr	TAP	direct
24 Apr - 06 May	Vueling Airlines

Also check the deals for one-way flights from Lisbon 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 Lisbon to Oslo in April from $190

Return flights