Cheapest return WMI–OSL flights, September

AirHint found the following cheapest return flights from Warsaw (WMI) to Oslo (OSL) in September 2026 (see full year).

Return flights

16 Sep - 22 Sep Ryanair
26 Sep - 28 Sep Ryanair
01 Sep - 30 Sep Ryanair
19 Sep - 21 Sep Ryanair
24 Sep - 27 Sep Ryanair
12 Sep - 20 Sep Ryanair
14 Sep - 17 Sep Wizz Air
10 Sep - 12 Sep Ryanair
25 Sep - 30 Sep Wizz Air
11 Sep - 13 Sep Wizz Air

Also check the deals for one-way flights from Warsaw 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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