August is the cheapest month to fly this route, with average fares around $101 round trip.
Average round-trip fares by departure month, based on current availability.
| Month | Avg Price | Lowest | Relative Cost | |
|---|---|---|---|---|
| May 2026 | $150 | $56 | Peak | |
| June 2026 | $116 | $56 | ||
| July 2026 | $113 | $56 | ||
| August 2026 | $101 | $56 | Best |
Departing on Wednesday offers the lowest average fares at $72. Sunday departures are the most expensive at $158, a difference of $86.
The best time to fly is August. Set up an alert and we'll notify you when prices drop.
Get Started Free →The cheapest month to fly from Houston to Atlanta is August, with average round-trip fares around $101. The lowest fare found in August is $56.
Wednesday departures are the cheapest, averaging $72 round trip. The most expensive day is Sunday at $158.
Based on current pricing trends, booking for August travel offers the best value. Avoid May if possible, as fares average $150 compared to $101 in the cheapest month. June is a solid middle-ground option at $116.
Flying in August instead of May can save you approximately $49 per round trip. The cheapest month averages $101 while the most expensive averages $150.
Airlines, flight times, price calendar, and more for Houston to Atlanta
View IAH → ATL Details