AirHint found the following cheapest return flights from Keflavik (KEF) to Oslo (OSL) in March 2026 (see full year).
Return flights
| 19 Mar - 27 Mar | Scandinavian Airlines | direct | |
| 26 Mar - 02 Apr | Scandinavian Airlines | direct | |
| 01 Mar - 12 Mar | easyJet | ||
| 01 Mar - 12 Mar | Icelandair | direct |
Also check the deals for one-way flights from Keflavik to Oslo in March.
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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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