Frontier's UpFront Plus seats offer more comfort with a guaranteed empty middle seat.
Early check-in helps secure your spot as Frontier overbooks frequently.

Most accurate provider | CheapOair 3 stars |
|---|---|
Most trusted provider | CheapOair 3 stars |
Round-trip from | $63 (Kiwi.com) |
One-way from | $48 (Super.com) |
Popular in | June |
Cheapest in | January |
Average price | $135 |
Good round-trip deal | $140 or less |
Good one-way deal | $112 or less |
Fly from
Fly to
Route
Depart
Return
Price
Las VegasDenver
LAS - DEN
LASDEN
Las Vegas Harry Reid Intl
jue. 11/27
8:39 am-4:50 pm
1 stop7h 11m
Denver Intl
sáb. 11/29
7:00 am-8:07 am
Nonstop2h 07m
Las VegasDenver
LAS - DEN
LASDEN
Las Vegas Harry Reid Intl
sáb. 11/22
11:00 pm-9:25 pm
1 stop21h 25m
Denver Intl
mié. 11/26
10:29 pm-11:36 pm
Nonstop2h 07m
Las VegasDenver
LAS - DEN
LASDEN
Las Vegas Harry Reid Intl
mar. 12/16
7:00 am-2:46 pm
1 stop6h 46m
Denver Intl
mar. 12/16
6:59 pm-10:27 pm
1 stop4h 28m
Las VegasDenver
LAS - DEN
LASDEN
Las Vegas Harry Reid Intl
dom. 12/7
5:20 am-8:19 am
Nonstop1h 59m
Denver Intl
mar. 12/9
7:54 pm-9:00 pm
Nonstop2h 06m
Las VegasDenver
LAS - DEN
LASDEN
Las Vegas Harry Reid Intl
vie. 1/16
12:05 pm-11:35 pm
1 stop10h 30m
Denver Intl
vie. 1/23
7:39 pm-11:28 pm
1 stop4h 49m
Las VegasDenver
LAS - DEN
LASDEN
Las Vegas Harry Reid Intl
mar. 12/2
6:55 pm-11:44 am
2 stops15h 49m
Denver Intl
mié. 12/3
6:59 pm-10:27 pm
1 stop4h 28m
Las VegasDenver
LAS - DEN
LASDEN
Las Vegas Harry Reid Intl
mié. 12/17
10:01 am-9:28 pm
2 stops10h 27m
Denver Intl
mié. 12/31
6:48 pm-11:41 pm
1 stop5h 53m
Las VegasDenver
LAS - DEN
LASDEN
Las Vegas Harry Reid Intl
jue. 12/25
1:25 pm-4:15 pm
Nonstop1h 50m
Denver Intl
lun. 12/29
9:25 pm-10:25 pm
Nonstop2h 00m
Las VegasDenver
LAS - DEN
LASDEN
Las Vegas Harry Reid Intl
jue. 1/1
9:21 am-11:59 pm
1 stop13h 38m
Denver Intl
dom. 1/4
6:48 pm-6:30 pm
1 stop24h 42m
Las VegasDenver
LAS - DEN
LASDEN
Las Vegas Harry Reid Intl
lun. 2/2
6:00 am-11:38 am
1 stop4h 38m
Denver Intl
lun. 2/2
1:34 pm-11:28 pm
2 stops10h 54m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
The best time to book flights from Las Vegas to Denver is 58 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Currently, February is the cheapest month in which you can book a flight from Las Vegas to Denver (average of $47). Flying from Las Vegas to Denver in August is currently the most expensive (average of $98). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
A simple way to save on the total cost of your ticket is to fly from Las Vegas to Denver in the evening. If you’re flexible enough to do this you can expect to save up to 67% on your trip compared to booking a flight at noon.
Travelers seeking maximum savings on their Las Vegas to Denver flight should consider departing on Friday evenings when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Food
Crew
Entertainment
Boarding
Comfort
Overall
Reviews
Gina,Jul 2025
LAS - DEN
Food
Crew
Entertainment
Boarding
Comfort
Overall
Reviews
Gina,Jul 2025
LAS - DEN
Food
Crew
Entertainment
Boarding
Comfort
Overall
Reviews
Gina,Jul 2025
LAS - DEN
Food
Crew
Entertainment
Boarding
Comfort
Overall
Reviews
Gina,Jul 2025
LAS - DEN
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$57 | Average$134 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$137 | Average$211 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$141 | Average$231 | FlexibilityNo cancel fee | On-time69% |