Cheapest one-way flights from Keflavik to Oslo in October from $75

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 October 2025 (see full year).

One-Way flights

21 Oct Norwegian direct
14 Oct Norwegian direct
07 Oct Norwegian direct
09 Oct Norwegian direct
05 Oct Norwegian direct
12 Oct Norwegian direct
08 Oct Wizz Air
02 Oct Norwegian direct
28 Oct easyJet
18 Oct Wizz Air

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

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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