August is the cheapest month to fly this route, with average fares around $216 round trip.
Average round-trip fares by departure month, based on current availability.
| Month | Avg Price | Lowest | Relative Cost | |
|---|---|---|---|---|
| May 2026 | $257 | $218 | Peak | |
| June 2026 | $222 | $210 | ||
| July 2026 | $226 | $210 | ||
| August 2026 | $216 | $210 | Best |
Departing on Tuesday offers the lowest average fares at $213. Friday departures are the most expensive at $248, a difference of $35.
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 Las Vegas is August, with average round-trip fares around $216. The lowest fare found in August is $210.
Tuesday departures are the cheapest, averaging $213 round trip. The most expensive day is Friday at $248.
Based on current pricing trends, booking for August travel offers the best value. Avoid May if possible, as fares average $257 compared to $216 in the cheapest month. July is a solid middle-ground option at $226.
Flying in August instead of May can save you approximately $41 per round trip. The cheapest month averages $216 while the most expensive averages $257.
Airlines, flight times, price calendar, and more for Dallas to Las Vegas
View DFW → LAS Details