Expect security screening at STL to take 5-10 minutes during off-peak times. Check real-time wait times online before heading to the airport.
Round-trip from | $202 (Frontier) |
---|---|
One-way from | $98 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $296 |
Good round-trip deal | $248 or less |
Good one-way deal | $136 or less |
Fly from
Fly to
Route
Depart
Return
Price
St. LouisLas Vegas
STL - LAS
STLLAS
Lambert-St Louis
Sun 9/14
10:39 am-9:31 pm
1 stop12h 52m
Las Vegas Harry Reid Intl
Thu 9/18
8:34 am-1:53 pm
Nonstop3h 19m
St. LouisLas Vegas
STL - LAS
STLLAS
Lambert-St Louis
Fri 8/8
10:47 am-11:26 pm
1 stop14h 39m
Las Vegas Harry Reid Intl
Wed 8/13
10:43 pm-1:32 pm
1 stop12h 49m
St. LouisLas Vegas
STL - LAS
STLLAS
Lambert-St Louis
Sun 9/14
2:26 pm-9:09 pm
1 stop8h 43m
Las Vegas Harry Reid Intl
Thu 9/18
8:34 am-1:53 pm
Nonstop3h 19m
St. LouisLas Vegas
STL - LAS
STLLAS
Lambert-St Louis
Wed 10/1
7:55 pm-11:33 pm
1 stop5h 38m
St. LouisLas Vegas
STL - LAS
STLLAS
Lambert-St Louis
Fri 8/15
2:30 pm-9:38 pm
1 stop9h 08m
St. LouisLas Vegas
STL - LAS
STLLAS
Lambert-St Louis
Sun 8/17
8:00 am-6:32 pm
1 stop12h 32m
St. LouisLas Vegas
STL - LAS
STLLAS
Lambert-St Louis
Tue 8/19
8:45 pm-10:10 pm
Nonstop3h 25m
St. LouisLas Vegas
STL - LAS
STLLAS
Lambert-St Louis
Tue 9/16
3:35 pm-9:28 pm
1 stop7h 53m
St. LouisLas Vegas
STL - LAS
STLLAS
Lambert-St Louis
Tue 8/19
8:46 am-12:30 pm
1 stop5h 44m
St. LouisLas Vegas
STL - LAS
STLLAS
Lambert-St Louis
Fri 9/5
3:59 pm-7:29 pm
1 stop5h 30m
Currently, August is the cheapest month in which you can book a flight from St. Louis to Las Vegas (average of $198). Flying from St. Louis to Las Vegas in March is currently the most expensive (average of $269). 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.
It’s typically best to fly out from St. Louis to Las Vegas in the evening. Doing so could potentially save you 52% on the flight price compared to flying in the morning, which is usually more expensive.
Travelers seeking maximum savings on their St. Louis to Las Vegas flight should consider departing on Tuesday evenings when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Boarding
Comfort
Food
Entertainment
Crew
Overall
Reviews
Anonymous,Jul 2025
EUG - SEA
Boarding
Comfort
Food
Entertainment
Crew
Overall
Reviews
Anonymous,Jul 2025
EUG - SEA
Boarding
Comfort
Food
Entertainment
Crew
Overall
Reviews
Anonymous,Jul 2025
EUG - SEA
Boarding
Comfort
Food
Entertainment
Crew
Overall
Reviews
Anonymous,Jul 2025
EUG - SEA
Boarding
Comfort
Food
Entertainment
Crew
Overall
Reviews
Anonymous,Jul 2025
EUG - SEA
Boarding
Comfort
Food
Entertainment
Crew
Overall
Reviews
Anonymous,Jul 2025
EUG - SEA
Las Vegas, with its wild atmosphere and brilliant lights, is a thrilling spot for a vacation. Whether you're visiting with the family or coming with friends, the city's energy and exuberance is sure to draw you in. From the always-busy casinos of the Strip to the classic style of Fremont Street, every inch of the city is designed to provide fun-filled memories to last a lifetime. Best of all? The Vegas attractions all sit just a quick flight from St. Louis.
Every inch of Las Vegas is designed to make an impression. Start your trip off with a bang by jumping off the edge of the Stratosphere casino and falling 829 feet on the heart-pounding Sky Jump. Closer to the south end of the Strip, get a thrill on the roller coaster that runs over the New York New York casino. Want to stay close to the earth? Opt for a boat ride through the canals of the elegant Venetian hotel and casino. When you're ready for a break from gambling, check out the Hispanic Museum of Nevada or go for a hair-raising spin in a stock care around the track of the Las Vegas Motor Speedway.
Check out prices for your trip to Las Vegas today using the Cheapflights smart search engine. Simply enter your dates to see all available times and prices.
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
Cheapest$82 | Average$209 | FlexibilityNo cancel fee | On-time65% | |
Cheapest$98 | Average$235 | FlexibilityNo cancel fee | On-time62% | |
Cheapest$104 | Average$238 | FlexibilityNo cancel fee | On-time88% | |
Cheapest$178 | Average$430 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$207 | Average$383 | FlexibilityNo cancel fee | On-time71% | |
Cheapest$258 | Average$436 | FlexibilityNo cancel fee | On-time69% | |
Cheapest$283 | Average$465 | FlexibilityNo cancel fee | On-time63% | |
Cheapest$342 | Average$448 | FlexibilityNo cancel fee | On-time75% |