Direct (nonstop) flights from Las Vegas to Denver

3 airlines fly nonstop from Harry Reid International Airport (LAS) to Denver International (DEN). It's 628 miles (1,010 km), about 1h 59m in the air. Operated by Frontier Airlines, United Airlines, Southwest Airlines.

LAS
Harry Reid International Airport
🇺🇸 Las Vegas, USA
DEN
Denver International
🇺🇸 Denver, USA
Flight Time
1h 59m
Distance
628 mi
1,010 km
CO₂/pax
116 kg
−34 kg vs. layover
Airlines
3
Frontier Airlines +2
Time Diff
+1h
Operated by Frontier Airlines Frontier Airlines United Airlines United Airlines Southwest Airlines Southwest Airlines

Route data last updated: May 28, 2026

Airlines with non-stop flights

Frontier Airlines F9 Frontier Airlines
Route
LAS → DEN
Flight Time
1h 59m
Distance
628 mi
United Airlines UA United Airlines
Route
LAS → DEN
Flight Time
1h 59m
Distance
628 mi
Southwest Airlines WN Southwest Airlines
Route
LAS → DEN
Flight Time
1h 59m
Distance
628 mi

Alternative Routes

Other ways to fly from Las Vegas to Denver with one stop · direct emits 116 kg CO₂ per passenger

LAS COS (Colorado Springs) DEN
Leg 1: 1h 50m (603 mi) Leg 2: 1h 5m (72 mi) Total: ~2h 55m 🍃 150 kg CO₂ (+29% vs. direct)
Leg 1
LAS → COS
1h 50m · 603 mi
View LAS to COS flights →
Leg 2
COS → DEN
1h 5m · 72 mi
View COS to DEN flights →
LAS GJT (Grand Junction) DEN
Leg 1: 1h 36m (419 mi) Leg 2: 1h 22m (212 mi) Total: ~2h 58m 🍃 142 kg CO₂ (+22% vs. direct)
Leg 1
LAS → GJT
1h 36m · 419 mi
View LAS to GJT flights →
Leg 2
GJT → DEN
1h 22m · 212 mi
View GJT to DEN flights →
LAS ABQ (Albuquerque) DEN
Leg 1: 1h 35m (485 mi) Leg 2: 1h 25m (347 mi) Total: ~3h 🍃 179 kg CO₂ (+54% vs. direct)
Leg 1
LAS → ABQ
1h 35m · 485 mi
View LAS to ABQ flights →
Leg 2
ABQ → DEN
1h 25m · 347 mi
View ABQ to DEN flights →
LAS SLC (Salt Lake City) DEN
Leg 1: 1h 29m (367 mi) Leg 2: 1h 34m (391 mi) Total: ~3h 3m 🍃 165 kg CO₂ (+42% vs. direct)
Leg 1
LAS → SLC
1h 29m · 367 mi
View LAS to SLC flights →
Leg 2
SLC → DEN
1h 34m · 391 mi
View SLC to DEN flights →
LAS PHX (Phoenix) DEN
Leg 1: 1h 16m (255 mi) Leg 2: 1h 50m (600 mi) Total: ~3h 6m 🍃 183 kg CO₂ (+58% vs. direct)
Leg 1
LAS → PHX
1h 16m · 255 mi
View LAS to PHX flights →
Leg 2
PHX → DEN
1h 50m · 600 mi
View PHX to DEN flights →

Frequently Asked Questions

How long is the direct flight from Las Vegas to Denver?

A nonstop flight from Las Vegas (LAS) to Denver (DEN) takes approximately 1 hours and 59 minutes. The distance is 628 miles (1,010 km).

Which airlines fly nonstop from Las Vegas to Denver?

3 airlines: Frontier Airlines, United Airlines, Southwest Airlines.

Is there a nonstop flight from Las Vegas to Denver?

Yes. 3 airlines: Frontier Airlines, United Airlines, Southwest Airlines.

How far is Las Vegas from Denver?

The flight distance from Las Vegas to Denver is 628 miles (1,010 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as the length of Italy.

What type of aircraft flies from Las Vegas to Denver?

At 1h 59m, this route typically uses narrow-body aircraft — Boeing 737 or Airbus A320. Varies by airline.

What is the carbon footprint of a flight from Las Vegas to Denver?

Roughly 116 kg CO2 per passenger one-way. That's about the same as driving 580 km.

Is the return flight from Denver to Las Vegas also nonstop?

Yes — nonstop flights run both ways. Flight time may differ slightly due to wind patterns.

When is the cheapest time to fly from Las Vegas to Denver?

Midweek flights (Tue/Wed) outside holiday peaks are usually cheapest. 3-6 weeks ahead is a good window for this route. Use "Check Prices" above to compare.

How early should I arrive at Harry Reid International Airport for this flight?

1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.