To save up to 15% on this flight, we recommend booking at least 19 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Wichita to Keflavik from $784 1-2 weeks out and tickets from $919 for flights departing within the next 72 hours.
Due to multiple factors, expect to potentially pay more when booking in December. For low rates, June can be a great choice for travel to Keflavik. Flights to Keflavik from Wichita in June are about $815 on average during June, but can be found for as low as $595.