July is the cheapest month to fly this route, with average fares around $222 round trip.
Average round-trip fares by departure month, based on current availability.
| Month | Avg Price | Lowest | Relative Cost | |
|---|---|---|---|---|
| May 2026 | $249 | $209 | Peak | |
| June 2026 | $230 | $193 | ||
| July 2026 | $222 | $176 | Best | |
| August 2026 | $223 | $178 |
Departing on Wednesday offers the lowest average fares at $201. Sunday departures are the most expensive at $245, a difference of $44.
The best time to fly is July. Set up an alert and we'll notify you when prices drop.
Get Started Free →The cheapest month to fly from Philadelphia to Dallas is July, with average round-trip fares around $222. The lowest fare found in July is $176.
Wednesday departures are the cheapest, averaging $201 round trip. The most expensive day is Sunday at $245.
Based on current pricing trends, booking for July travel offers the best value. Avoid May if possible, as fares average $249 compared to $222 in the cheapest month. June is a solid middle-ground option at $230.
Flying in July instead of May can save you approximately $27 per round trip. The cheapest month averages $222 while the most expensive averages $249.
Airlines, flight times, price calendar, and more for Philadelphia to Dallas
View PHL → DFW Details