AirHint found the following cheapest one-way flights from Keflavik (KEF) to Oslo (OSL) in April 2026 (see full year).
One-Way flights
| 09 Apr | Norwegian | direct | |
| 28 Apr | Norwegian | direct | |
| 15 Apr | Wizz Air | ||
| 23 Apr | Wizz Air | ||
| 12 Apr | Wizz Air | ||
| 04 Apr | Wizz Air | ||
| 21 Apr | Norwegian | direct | |
| 11 Apr | Wizz Air | ||
| 13 Apr | Wizz Air | ||
| 07 Apr | Wizz Air |
Also check the deals for return flights from Keflavik to Oslo in April.
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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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