Cheapest return flights from Frankfurt to Oslo in September from 123€

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

Return flights

01 Sep - 08 Sep Ryanair
01 Sep - 05 Sep Ryanair
14 Sep - 20 Sep Ryanair
07 Sep - 13 Sep Ryanair
05 Sep - 12 Sep HiSky Europe
04 Sep - 13 Sep LOT
13 Sep - 26 Sep Lufthansa direct
01 Sep - 05 Sep Lufthansa direct
05 Sep - 12 Sep Lufthansa direct
14 Sep - 20 Sep Lufthansa direct

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

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