To save up to 93% on this flight, we recommend booking at least 61 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Killeen-Fort Hood to Lisbon from $1,079 1-2 weeks out and tickets from $1,831 for flights departing within the next 72 hours.
Due to multiple factors, expect to potentially pay more when booking in December. For low rates, February can be a great choice for travel to Lisbon. Flights to Lisbon from Killeen-Fort Hood in February are about $923 on average during February, but can be found for as low as $576.