Cheapest return flights from Oslo to Keflavik in March from $148
AirHint found the following cheapest return flights from Oslo (OSL) to Keflavik (KEF) in March 2026 (see full year).
Return flights
Also check the deals for one-way flights from Oslo to Keflavik in March.
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.
