August is the cheapest month to fly this route, with average fares around $89 round trip.
Average round-trip fares by departure month, based on current availability.
| Month | Avg Price | Lowest | Relative Cost | |
|---|---|---|---|---|
| May 2026 | $250 | $209 | Peak | |
| June 2026 | $161 | $82 | ||
| July 2026 | $133 | $66 | ||
| August 2026 | $89 | $66 | Best |
Departing on Tuesday offers the lowest average fares at $132. Friday departures are the most expensive at $182, a difference of $50.
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 Dallas to Miami is August, with average round-trip fares around $89. The lowest fare found in August is $66.
Tuesday departures are the cheapest, averaging $132 round trip. The most expensive day is Friday at $182.
Based on current pricing trends, booking for August travel offers the best value. Avoid May if possible, as fares average $250 compared to $89 in the cheapest month. June is a solid middle-ground option at $161.
Flying in August instead of May can save you approximately $161 per round trip. The cheapest month averages $89 while the most expensive averages $250.
Airlines, flight times, price calendar, and more for Dallas to Miami
View DFW → MIA Details