To save up to 65% on this flight, we recommend booking at least 27 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Harlingen to Chattanooga from $294 1-2 weeks out and tickets from $437 for flights departing within the next 72 hours.
Our data shows that July tends to be the cheapest month to fly to Chattanooga from Harlingen. Users have commonly found prices around $250 for the month, but tickets can be as low as $113. Due to multiple factors, prepare for potentially higher prices in November.