Cheapest return flights from Frankfurt to Oslo in September from 128€

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

Return flights

14 Sep - 17 Sep Ryanair
15 Sep - 17 Sep Ryanair
14 Sep - 19 Sep Ryanair
23 Sep - 30 Sep Ryanair
11 Sep - 15 Sep Ryanair
17 Sep - 23 Sep Ryanair
25 Sep - 03 Oct Ryanair
04 Sep - 07 Sep Ryanair
11 Sep - 14 Sep Ryanair
05 Sep - 08 Sep Ryanair
04 Sep - 08 Sep Ryanair
24 Sep - 06 Oct Ryanair
25 Sep - 06 Oct Ryanair
25 Sep - 05 Oct easyJet
21 Sep - 05 Oct easyJet
27 Sep - 09 Oct KLM
21 Sep - 04 Oct KLM
25 Sep - 03 Oct Lufthansa direct
25 Sep - 06 Oct Lufthansa direct
24 Sep - 06 Oct Lufthansa direct

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

Skyscanner

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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