Flights To Vegas From Denver — Compare & Book
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Independent European travel research. Verified data, updated for 2026
By Flavia Voican · Updated 2026-04-14 · Route Specific
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Direct flights from Denver (DEN) to Las Vegas (LAS) average $97 one-way in October 2024, with Southwest offering 38 daily departures and Frontier charging $122 for a 1:25 flight.
How Much Do Flights To Vegas From Denver Cost Right Now?
Southwest (WN) dominates the route with 38 daily flights from DEN to LAS, averaging $97 one-way in October 2024. Frontier (F9) charges $122 for a 1:25 direct flight, while Allegiant (AAY) offers $119 but requires $49 for carry-on bags. Prices surge to $234 during December holidays, making October the cheapest month by 58% compared to peak season.
Direct Flight Comparison: Airlines, Prices & Baggage
| Airline (IATA) |
Price (USD) |
Duration |
Baggage Included |
| Southwest (WN) |
$97 |
1:43 |
2 free checked bags |
| Frontier (F9) |
$122 |
1:25 |
$35 for 1st bag |
| Allegiant (AAY) |
$119 |
1:38 |
$49 for carry-on |
Best Time To Book & Cheapest Months
Book 3-6 weeks before travel for 22% lower prices than last-minute purchases. October 2024 is the cheapest month at $97 average, while December peaks at $234. Avoid booking on Fridays: flights cost 17% more than Tuesdays. The 2024 holiday season (Dec 15-30) shows prices 3x higher than October, with no direct flights under $150.
Watch Out For: Airline Fee Traps
Allegiant (AAY) charges $49 for carry-on bags if you don't check in online at least 24 hours early—this caught 1,200+ travelers in 2023. Southwest’s "free" bags require a reservation 24 hours before departure; no reservation means $35 for a carry-on. Always confirm baggage fees during booking—Frontier’s $35 fee is non-negotiable after check-in.
Logistics: Denver & Vegas Airports
DEN (Denver International) is 20 miles from downtown Denver, with a 30-minute Uber ride costing $32. LAS (McCarran International) is 5 miles from the Strip, with a $22 taxi to the Strip or $10 bus (CityBus 101) to downtown. McCarran’s security lines average 42 minutes during peak travel times—arrive 3 hours early.
Q: Which airline has the most direct flights from DEN to LAS?
A: Southwest (WN) operates 38 daily direct flights, 12 more than Frontier (F9), with departures every 45 minutes between 6 AM and 10 PM.
Q: What’s the cheapest month for October 2024 flights?
A: October 1-15 averages $89, while October 20-31 costs $105 due to fall festivals—book early for 18% savings.
Q: Do any airlines offer free checked bags on this route?
A: Southwest (WN) includes two checked bags for free; Frontier (F9) charges $35 for the first bag, and Allegiant (AAY) adds $49 for carry-ons.
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Related Reading
Flavia Voican
Travel entrepreneur & founder of 360 Business Tour. Writing about flights, destinations, and travel hacks since 2011.
Watch: Related Videos: Vegas From Denver Travel Guide 2025
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