We are flying Delta from Knoxville through Atlanta to Belize City. here is a link to flights today on their site: http://www.delta.com/booking/findFlights.do#top
$940.35 including tax. We paid 780.00 with tax. So between 100-200 like I stated. Has worked out for us every time to book as far in advance as we can. Only additional thing we add is trip insurance, just in case....