Cheapest return LIS–OSL flights, May

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

Return flights

19 May - 26 May Ryanair
19 May - 25 May Ryanair
28 May - 01 Jun Ryanair
21 May - 28 May Wizz Air Malta
22 May - 25 May Ryanair
22 May - 26 May Ryanair
23 May - 26 May Norwegian
23 May - 16 Jun Norwegian
22 May - 29 May Ryanair
23 May - 25 May Norwegian
23 May - 27 May Norwegian direct
23 May - 13 Jun Norwegian direct
23 May - 30 May Ryanair
23 May - 03 Jun Norwegian direct
23 May - 06 Jun Norwegian direct
20 May - 03 Jun Norwegian direct
20 May - 06 Jun Norwegian direct
23 May - 10 Jun Norwegian direct
27 May - 13 Jun Norwegian direct
23 May - 01 Jun Norwegian

Also check the deals for one-way flights from Lisbon to Oslo in May.

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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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