Cheapest return flights from Oslo to Lisbon in August from $138

AirHint found the following cheapest return flights from Oslo (OSL) to Lisbon (LIS) in August 2025 (see full year).

Return flights

14 Aug - 27 Aug Scandinavian Airlines
14 Aug - 15 Sep Scandinavian Airlines
23 Aug - 27 Aug Norwegian direct
14 Aug - 23 Aug Scandinavian Airlines
19 Aug - 27 Aug TAP direct
13 Aug - 27 Aug Norwegian direct
09 Aug - 27 Aug Norwegian direct
18 Aug - 27 Aug TAP direct
16 Aug - 27 Aug Norwegian direct
24 Aug - 27 Aug TAP direct
25 Aug - 27 Aug TAP direct
26 Aug - 02 Sep KLM
27 Aug - 03 Sep Air France
24 Aug - 01 Sep TAP direct
23 Aug - 03 Sep Norwegian direct
23 Aug - 06 Sep Norwegian direct
16 Aug - 03 Sep Norwegian direct
23 Aug - 09 Sep Norwegian
23 Aug - 02 Sep Norwegian
20 Aug - 03 Sep Vueling Airlines

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

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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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