AirHint found the following cheapest return flights from Cologne (CGN) to Oslo (OSL) in July 2026 (see full year).
Return flights
| 11 Jul - 02 Aug | Lufthansa | ||
| 03 Jul - 07 Jul | Lufthansa | ||
| 13 Jul - 20 Jul | Lufthansa | ||
| 13 Jul - 19 Jul | Lufthansa | ||
| 31 Jul - 16 Aug | Ryanair |
Also check the deals for one-way flights from Cologne to Oslo in July.
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