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

Return flights

01 Jul - 27 Jul	Ryanair
09 Jul - 21 Jul	Ryanair
11 Jul - 21 Jul	Ryanair
13 Jul - 21 Jul	Ryanair
09 Jul - 15 Jul	Ryanair
02 Jul - 09 Jul	Ryanair
13 Jul - 17 Jul	Ryanair
05 Jul - 12 Jul	Ryanair
11 Jul - 20 Jul	Ryanair
09 Jul - 10 Jul	Ryanair
31 Jul - 03 Aug	Ryanair
30 Jul - 06 Aug	Ryanair
31 Jul - 06 Aug	Ryanair
01 Jul - 15 Aug	easyJet
31 Jul - 04 Aug	Ryanair
28 Jul - 10 Aug	Finnair
27 Jul - 04 Aug	Finnair
28 Jul - 11 Aug	Finnair
27 Jul - 03 Aug	Finnair
29 Jul - 07 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 $154

Return flights