Which airline flies the most flights to GRK? The top airline carrier flying out of Killeen Fort Hood Regional is American Airlines and they fly over 407 flights every month.
- Delta - Killeen (GRK) to Frankfurt (FRA) on 11/21 leaving at 4:00 am and returning on 11/25 at 7:15 pm for only $2,602 per person.*
*Prices vary and will be updated when you view current flight availability results. Deals displayed here are based on flight pricing and availability as of 11/16/2017 and may change as you get closer to the actual flight date. Deals displayed whose dates are in the past are no longer valid.