To save on the cost of your flight from Dayton to Keflavik, book at least 19 days before your planned departure. Booking around this time can save you about 15% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $784 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $919.
The best pricing can be found in the month of June. Prices to Keflavik from Dayton average $815. You can even find prices in June for less than $815, as users have found deals to Keflavik from as low as $595. The month of December appears to be one of the more expensive times to travel to Keflavik from Dayton. Flying in the targeted month can save you up to 30%.