Cheapest return flights from Ostrava to Keflavik in October from $220

Best time to book flights for Ostrava (OSR) to Keflavik (KEF) flights at AirHint

AirHint found the following cheapest return flights from Ostrava (OSR) to Keflavik (KEF) in October 2025 (see full year).

Return flights

23 Oct - 31 Oct LOT

Also check the deals for one-way flights from Ostrava to Keflavik 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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