June is the cheapest month to fly this route, with average fares around $109 round trip.
Average round-trip fares by departure month, based on current availability.
| Month | Avg Price | Lowest | Relative Cost | |
|---|---|---|---|---|
| May 2026 | $142 | $92 | Peak | |
| June 2026 | $109 | $88 | Best | |
| July 2026 | $114 | $88 | ||
| August 2026 | $120 | $88 |
Departing on Tuesday offers the lowest average fares at $95. Saturday departures are the most expensive at $137, a difference of $42.
The best time to fly is June. Set up an alert and we'll notify you when prices drop.
Get Started Free →The cheapest month to fly from Denver to Las Vegas is June, with average round-trip fares around $109. The lowest fare found in June is $88.
Tuesday departures are the cheapest, averaging $95 round trip. The most expensive day is Saturday at $137.
Based on current pricing trends, booking for June travel offers the best value. Avoid May if possible, as fares average $142 compared to $109 in the cheapest month. August is a solid middle-ground option at $120.
Flying in June instead of May can save you approximately $33 per round trip. The cheapest month averages $109 while the most expensive averages $142.
Airlines, flight times, price calendar, and more for Denver to Las Vegas
View DEN → LAS Details