Frontier's UpFront Plus guarantees an empty middle seat for added comfort.
Frontier's Zone 1 boarding available with carry-on purchase or special fare bundles.

Most accurate provider | CheapOair 3 stars |
|---|---|
Most trusted provider | CheapOair 3 stars |
Round-trip from | $58 (Frontier) |
One-way from | $29 (Super.com) |
Popular in | December |
Cheapest in | January |
Average price | $388 |
Good round-trip deal | $91 or less |
Good one-way deal | $43 or less |
Fly from
Fly to
Route
Depart
Return
Price
Los AngelesLas Vegas
LAX - LAS
LAXLAS
Los Angeles
Thu 1/15
9:17 am-10:31 am
Nonstop1h 14m
Las Vegas Harry Reid Intl
Thu 1/22
11:51 am-10:40 pm
1 stop10h 49m
SeattleLas Vegas
SEA - LAS
SEALAS
Seattle/Tacoma Intl
Sun 2/22
3:25 pm-5:49 pm
Nonstop2h 24m
Las Vegas Harry Reid Intl
Wed 2/25
6:59 pm-9:51 pm
Nonstop2h 52m
DallasLas Vegas
DFW - LAS
DFWLAS
Dallas/Fort Worth
Fri 2/27
5:45 am-5:18 pm
1 stop13h 33m
Las Vegas Harry Reid Intl
Mon 3/2
11:46 am-4:30 pm
Nonstop2h 44m
Los AngelesLas Vegas
LAX - LAS
LAXLAS
Los Angeles
Thu 1/8
8:45 pm-9:55 pm
Nonstop1h 10m
Las Vegas Harry Reid Intl
Mon 1/12
9:00 am-10:15 am
Nonstop1h 15m
Los AngelesLas Vegas
LAX - LAS
LAXLAS
Los Angeles
Wed 2/4
3:35 pm-4:46 pm
Nonstop1h 11m
Las Vegas Harry Reid Intl
Sat 2/7
6:30 pm-7:47 pm
Nonstop1h 17m
Los AngelesLas Vegas
LAX - LAS
LAXLAS
Los Angeles
Sat 1/24
9:35 pm-10:53 pm
Nonstop1h 18m
Las Vegas Harry Reid Intl
Tue 1/27
9:40 am-10:58 am
Nonstop1h 18m
San FranciscoLas Vegas
SFO - LAS
SFOLAS
San Francisco
Tue 1/6
12:49 pm-2:34 pm
Nonstop1h 45m
Las Vegas Harry Reid Intl
Thu 1/8
6:05 am-7:53 am
Nonstop1h 48m
Los AngelesLas Vegas
LAX - LAS
LAXLAS
Los Angeles
Wed 12/31
5:59 pm-7:08 pm
Nonstop1h 09m
Las Vegas Harry Reid Intl
Sun 1/4
6:00 am-7:18 am
Nonstop1h 18m
Los AngelesLas Vegas
LAX - LAS
LAXLAS
Los Angeles
Thu 1/15
9:35 am-10:50 am
Nonstop1h 15m
Las Vegas Harry Reid Intl
Tue 1/20
8:35 am-2:00 pm
1 stop5h 25m
SeattleLas Vegas
SEA - LAS
SEALAS
Seattle/Tacoma Intl
Fri 1/30
8:40 pm-11:12 pm
Nonstop2h 32m
Las Vegas Harry Reid Intl
Tue 2/3
10:07 am-1:01 pm
Nonstop2h 54m
Currently, March is the cheapest month in which you can book a flight from USA to Las Vegas (average of $36). Flying from USA to Las Vegas in July is currently the most expensive (average of $49). 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.
Unlike in the afternoon, when flights are generally more expensive, you can save up to 10% on flights from USA to Las Vegas by exploring options for tickets at noon.
Travelers seeking maximum savings on their USA to Las Vegas flight should consider departing on Monday at noon when fares are most often at their lowest. Thursday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
The most flights from US0 to LAS are scheduled on a Wednesday (121 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (2 on average).
About 15% of weekly flights between United States and Las Vegas have experienced delays in the past year, with the average delay time being 130 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
Food
Entertainment
Overall
Boarding
Comfort
Reviews
Thomas,Dec 2025
SEA - DEN
Crew
Food
Entertainment
Overall
Boarding
Comfort
Reviews
Thomas,Dec 2025
SEA - DEN
Crew
Food
Entertainment
Overall
Boarding
Comfort
Reviews
Thomas,Dec 2025
SEA - DEN
Crew
Food
Entertainment
Overall
Boarding
Comfort
Reviews
Thomas,Dec 2025
SEA - DEN
Crew
Food
Entertainment
Overall
Boarding
Comfort
Reviews
Thomas,Dec 2025
SEA - DEN
Crew
Food
Entertainment
Overall
Boarding
Comfort
Reviews
Thomas,Dec 2025
SEA - DEN
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$39 | Average$188 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$40 | Average$210 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$65 | Average$239 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$68 | Average$349 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$82 | Average$149 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$85 | Average$359 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$89 | Average$317 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$92 | Average$344 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$97 | Average$369 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$99 | Average$343 | FlexibilityNo cancel fee | On-time75% |