St. Louis (STL) to Las Vegas (LAS) flight deal in economy from $197

American AirlinesAAAmerican AirlinesDelta Air LinesDLDelta Air Lines
Round Trip•Economy
United StatesSTL

Lambert-Saint Louis International Airport

St. Louis, United States
United StatesLAS

Harry Reid International Airport

Las Vegas, United States
$450 USD
-56%$197 USD
Verified about 5 hours ago
Extremely Rare Availability
3% of dates checked are available within 10% of the lowest price

Thursday, August 20th, 2026

3 round-trip options

Returning
Tue, Aug 25, 2026•5 Day Trip
$420 USD
Google Flights
Returning
Fri, Aug 28, 2026•8 Day Trip
$506 USD
Google Flights
Returning
Thu, Sep 3, 2026•14 Day Trip
$522 USD
Google Flights