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

Return flights

17 Apr - 20 Apr	Ryanair
24 Apr - 06 May	Vueling Airlines
15 Apr - 20 Apr	Ryanair
29 Apr - 04 May	KLM
22 Apr - 06 May	Norwegian
12 Apr - 20 Apr	easyJet
24 Apr - 09 May	Vueling Airlines
17 Apr - 06 May	Vueling Airlines
30 Apr - 02 May	KLM
24 Apr - 02 May	Vueling Airlines
12 Apr - 20 Apr	TAP	direct
17 Apr - 20 Apr	TAP	direct
25 Apr - 06 May	Norwegian
22 Apr - 09 May	Norwegian	direct
10 Apr - 17 Apr	easyJet
25 Apr - 02 May	easyJet
10 Apr - 17 Apr	TAP	direct
03 Apr - 05 Apr	Vueling Airlines
08 Apr - 11 Apr	Vueling Airlines
07 Apr - 10 Apr	KLM

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 $195

Return flights