Cheapest return flights from Lisbon to Oslo in September from $185

Best time to book flights for Lisbon (LIS) to Oslo (OSL) flights at AirHint

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

Return flights

24 Sep - 13 Oct Vueling Airlines
18 Sep - 21 Sep Ryanair
19 Sep - 22 Sep Ryanair
12 Sep - 14 Sep easyJet
11 Sep - 14 Sep easyJet
17 Sep - 21 Sep Ryanair
15 Sep - 26 Sep easyJet
25 Sep - 02 Oct Ryanair
18 Sep - 21 Sep TAP direct
26 Sep - 29 Sep easyJet
19 Sep - 23 Sep Ryanair
24 Sep - 11 Oct Vueling Airlines
15 Sep - 19 Sep easyJet
24 Sep - 08 Oct Vueling Airlines
24 Sep - 01 Oct Vueling Airlines
25 Sep - 13 Oct Norwegian Air Sweden AOC
20 Sep - 08 Oct Vueling Airlines
17 Sep - 01 Oct Vueling Airlines
25 Sep - 15 Oct Norwegian Air Sweden AOC
25 Sep - 11 Oct Norwegian Air Sweden AOC

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

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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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