Cheapest one-way flights from Keflavik to Oslo in April from $76

Best time to book flights for Keflavik (KEF) to Oslo (OSL) flights at AirHint

AirHint found the following cheapest one-way flights from Keflavik (KEF) to Oslo (OSL) in April 2025 (see full year).

One-Way flights

29 Apr Norwegian direct
27 Apr Jet2
30 Apr Fly Play
28 Apr Fly Play
26 Apr Fly Play
25 Apr Fly Play
27 Apr Norwegian direct
28 Apr Scandinavian Airlines direct
25 Apr Scandinavian Airlines direct
26 Apr Scandinavian Airlines direct

Also check the deals for return flights from Keflavik to Oslo in April.

Skyscanner

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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