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

Return flights

04 Aug - 15 Aug	TAP
05 Aug - 12 Aug	TAP	direct
22 Aug - 29 Aug	Norwegian	direct
12 Aug - 22 Aug	TAP
06 Aug - 12 Aug	Finnair
12 Aug - 22 Aug	TAP	direct
01 Aug - 08 Aug	TAP
08 Aug - 17 Aug	TAP
21 Aug - 29 Aug	TAP	direct
01 Aug - 10 Aug	TAP
22 Aug - 09 Sep	Norwegian
22 Aug - 09 Sep	Norwegian	direct
19 Aug - 09 Sep	Norwegian	direct
22 Aug - 10 Sep	Norwegian

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

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 August from 195€

Return flights