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

08 May - 12 May Ryanair
08 May - 15 May Ryanair
07 May - 12 May Ryanair
12 May - 15 May Ryanair
01 May - 05 May Ryanair
11 May - 20 May Ryanair
09 May - 16 May Ryanair
06 May - 09 May Norwegian direct
06 May - 16 May Norwegian direct
23 May - 27 May Norwegian
20 May - 01 Jun Norwegian
23 May - 01 Jun Norwegian
22 May - 05 Jun Ryanair
29 May - 01 Jun KLM
13 May - 01 Jun Norwegian
20 May - 08 Jun Norwegian
23 May - 08 Jun Norwegian
27 May - 01 Jun Norwegian
20 May - 06 Jun Norwegian direct
23 May - 06 Jun Norwegian direct

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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