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

Return flights

22 Jul - 27 Jul	Finnair
16 Jul - 30 Jul	Ryanair
22 Jul - 29 Jul	Finnair
19 Jul - 21 Jul	Finnair
19 Jul - 26 Jul	Finnair
15 Jul - 22 Jul	Ryanair
19 Jul - 27 Jul	Finnair
19 Jul - 28 Jul	Finnair
22 Jul - 25 Jul	Finnair
23 Jul - 27 Jul	Finnair
05 Jul - 18 Aug	Lufthansa	direct
15 Jul - 05 Aug	Ryanair
27 Jul - 11 Aug	Ryanair
27 Jul - 02 Aug	Ryanair
23 Jul - 06 Aug	Ryanair
25 Jul - 04 Aug	Ryanair
31 Jul - 04 Aug	Ryanair
29 Jul - 05 Aug	Ryanair
27 Jul - 01 Aug	Ryanair
25 Jul - 11 Aug	Ryanair

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

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 July from 212€

Return flights