Cheapest return flights from Frankfurt to Oslo in September from $144

Best time to book flights for Frankfurt (FRA) to Oslo (OSL) flights at AirHint

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

Return flights

17 Sep - 24 Sep easyJet
01 Sep - 10 Sep easyJet
16 Sep - 23 Sep easyJet
02 Sep - 09 Sep easyJet
10 Sep - 17 Sep Ryanair
24 Sep - 01 Oct Ryanair
02 Sep - 10 Sep easyJet
29 Sep - 08 Oct easyJet
03 Sep - 12 Sep easyJet
16 Sep - 25 Sep easyJet
22 Sep - 29 Sep easyJet
10 Sep - 19 Sep easyJet
28 Sep - 07 Oct easyJet
30 Sep - 09 Oct easyJet
25 Sep - 02 Oct easyJet
24 Sep - 03 Oct easyJet
24 Sep - 05 Oct easyJet
26 Sep - 03 Oct Ryanair
26 Sep - 05 Oct Air France
28 Sep - 07 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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