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

Return flights

31 Jul - 01 Aug	LOT
25 Jul - 28 Jul	Lufthansa	direct
24 Jul - 07 Aug	Lufthansa	direct
24 Jul - 04 Aug	Lufthansa	direct
24 Jul - 05 Aug	Lufthansa	direct
31 Jul - 06 Aug	LOT
31 Jul - 04 Aug	LOT
28 Jul - 04 Aug	LOT
31 Jul - 02 Aug	LOT
30 Jul - 01 Aug	LOT
24 Jul - 28 Jul	Lufthansa	direct
24 Jul - 26 Jul	Lufthansa	direct
25 Jul - 29 Jul	Lufthansa	direct
24 Jul - 27 Jul	Lufthansa	direct
25 Jul - 04 Aug	Lufthansa	direct
26 Jul - 30 Jul	Finnair
25 Jul - 26 Jul	Lufthansa	direct
26 Jul - 30 Jul	Lufthansa	direct

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 267€

Return flights