It’s optimal to fly from Killeen to Milwaukee at noon. By choosing this option you can save up to 3% on the cost of your flight, compared to a flight in the morning.
Leaving on a Sunday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 59% on the overall cost on flights from Killeen to Milwaukee.