August is the cheapest month to fly this route, with average fares around $154 round trip.
Average round-trip fares by departure month, based on current availability.
| Month | Avg Price | Lowest | Relative Cost | |
|---|---|---|---|---|
| May 2026 | $281 | $230 | Peak | |
| June 2026 | $236 | $174 | ||
| July 2026 | $163 | $79 | ||
| August 2026 | $154 | $108 | Best |
Departing on Thursday offers the lowest average fares at $168. Monday departures are the most expensive at $236, a difference of $68.
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 Nashville to Miami is August, with average round-trip fares around $154. The lowest fare found in August is $108.
Thursday departures are the cheapest, averaging $168 round trip. The most expensive day is Monday at $236.
Based on current pricing trends, booking for August travel offers the best value. Avoid May if possible, as fares average $281 compared to $154 in the cheapest month. June is a solid middle-ground option at $236.
Flying in August instead of May can save you approximately $127 per round trip. The cheapest month averages $154 while the most expensive averages $281.
Airlines, flight times, price calendar, and more for Nashville to Miami
View BNA → MIA Details