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

Return flights

21 Oct - 22 Oct	Ryanair
28 Oct - 03 Nov	Ryanair
28 Oct - 30 Oct	Ryanair
23 Oct - 03 Nov	Ryanair
27 Oct - 07 Nov	Ryanair
21 Oct - 31 Oct	Ryanair
23 Oct - 27 Oct	Ryanair
20 Oct - 22 Oct	Ryanair
22 Oct - 23 Oct	Ryanair
31 Oct - 04 Nov	Ryanair
21 Oct - 24 Oct	Ryanair
20 Oct - 25 Oct	Ryanair
24 Oct - 03 Nov	easyJet
24 Oct - 27 Oct	Lufthansa	direct
25 Oct - 27 Oct	Lufthansa	direct
24 Oct - 03 Nov	Lufthansa	direct
29 Oct - 06 Nov	Lufthansa	direct
23 Oct - 03 Nov	Lufthansa	direct
30 Oct - 03 Nov	Lufthansa	direct
31 Oct - 04 Nov	Lufthansa	direct

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

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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Cheapest return flights from Frankfurt to Oslo in October from 116€

Return flights