Frontier's UpFront Plus seats offer a guaranteed empty middle seat for added comfort.
Frontier's Zone 1 boarding is available with a carry-on purchase or special fare bundle.

Most accurate provider | CheapOair 3 stars |
|---|---|
Most trusted provider | CheapOair 3 stars |
Round-trip from | $59 (CheapOair) |
One-way from | $29 (Super.com) |
Popular in | August |
Cheapest in | February |
Average price | $159 |
Good round-trip deal | $91 or less |
Good one-way deal | $60 or less |
Fly from
Fly to
Route
Depart
Return
Price
PhoenixLas Vegas
PHX - LAS
PHXLAS
Phoenix Sky Harbor Intl
Fri 2/13
9:43 pm-9:58 pm
Nonstop1h 15m
Las Vegas Harry Reid Intl
Sun 2/15
6:30 am-8:50 am
Nonstop1h 20m
PhoenixLas Vegas
PHX - LAS
PHXLAS
Phoenix Sky Harbor Intl
Tue 1/20
10:15 am-5:18 pm
1 stop8h 03m
Las Vegas Harry Reid Intl
Tue 1/27
3:46 pm-6:11 pm
Nonstop1h 25m
PhoenixLas Vegas
PHX - LAS
PHXLAS
Phoenix Sky Harbor Intl
Sat 2/21
10:51 pm-8:41 am
1 stop10h 50m
Las Vegas Harry Reid Intl
Mon 2/23
6:50 am-9:10 am
Nonstop1h 20m
PhoenixLas Vegas
PHX - LAS
PHXLAS
Phoenix Sky Harbor Intl
Sat 2/21
10:51 pm-8:41 am
1 stop10h 50m
Las Vegas Harry Reid Intl
Thu 2/26
6:00 am-8:20 am
Nonstop1h 20m
PhoenixLas Vegas
PHX - LAS
PHXLAS
Phoenix Sky Harbor Intl
Sat 2/21
5:40 pm-11:44 pm
1 stop7h 04m
Las Vegas Harry Reid Intl
Sun 2/22
6:30 am-8:50 am
Nonstop1h 20m
PhoenixLas Vegas
PHX - LAS
PHXLAS
Phoenix Sky Harbor Intl
Wed 1/14
10:49 am-5:18 pm
1 stop7h 29m
Las Vegas Harry Reid Intl
Sun 1/18
6:00 am-8:20 am
Nonstop1h 20m
PhoenixLas Vegas
PHX - LAS
PHXLAS
Phoenix Sky Harbor Intl
Wed 1/14
10:49 am-4:49 pm
1 stop7h 00m
Las Vegas Harry Reid Intl
Sun 1/18
6:01 pm-11:59 pm
1 stop4h 58m
PhoenixLas Vegas
PHX - LAS
PHXLAS
Phoenix Sky Harbor Intl
Wed 12/31
9:31 am-11:42 pm
1 stop15h 11m
Las Vegas Harry Reid Intl
Fri 1/2
6:30 am-8:48 am
Nonstop1h 18m
PhoenixLas Vegas
PHX - LAS
PHXLAS
Phoenix Sky Harbor Intl
Tue 1/20
1:00 pm-7:23 pm
1 stop7h 23m
Las Vegas Harry Reid Intl
Tue 1/27
4:17 pm-11:53 pm
1 stop6h 36m
PhoenixLas Vegas
PHX - LAS
PHXLAS
Phoenix Sky Harbor Intl
Sun 1/18
3:45 pm-6:41 pm
1 stop3h 56m
Las Vegas Harry Reid Intl
Wed 1/21
8:10 am-2:00 pm
1 stop4h 50m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
The best time to book flights from Phoenix Sky Harbor Intl Airport to Las Vegas is 49 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 Phoenix Sky Harbor Intl Airport to Las Vegas (average of $42). Flying from Phoenix Sky Harbor Intl Airport to Las Vegas in August is currently the most expensive (average of $78). 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 Phoenix Sky Harbor Intl Airport to Las Vegas in the evening. If you’re flexible enough to do this you can expect to save up to 9% on your trip compared to booking a flight in the afternoon.
Travelers seeking maximum savings on their Phoenix Sky Harbor Intl Airport to Las Vegas flight should consider departing on Monday at noon when fares are most often at their lowest. Monday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
About 14% of weekly flights between Phoenix and Las Vegas have experienced delays in the past year, with the average delay time being 107 minutes.
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
Saturday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.
Over the last year, Air Cargo Carriers have had the lowest number of delays on this route, with just 10% of flights being delayed.
Crew
Boarding
Comfort
Food
Overall
Entertainment
Reviews
Thomas,Dec 2025
SEA - DEN
Crew
Boarding
Comfort
Food
Overall
Entertainment
Reviews
Thomas,Dec 2025
SEA - DEN
Crew
Boarding
Comfort
Food
Overall
Entertainment
Reviews
Thomas,Dec 2025
SEA - DEN
Crew
Boarding
Comfort
Food
Overall
Entertainment
Reviews
Thomas,Dec 2025
SEA - DEN
Crew
Boarding
Comfort
Food
Overall
Entertainment
Reviews
Thomas,Dec 2025
SEA - DEN
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$46 | Average$84 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$51 | Average$116 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$138 | Average$244 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$140 | Average$278 | FlexibilityNo cancel fee | On-time71% |