$139 Cheap American Airlines flights Las Vegas (LAS) to St. Louis (STL)

View $139 flight on Mon, Sep 8, 2025Opens in a new window

$139 Cheap American Airlines flights Las Vegas (LAS) to St. Louis (STL)

Prices were available within the past 7 days and start at $139 for one-way flights and $225 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Tue, Oct 7 - Wed, Oct 8
LAS
Las Vegas
STL
St. Louis
$225 Roundtrip, found 4 days ago
$225
Roundtrip
found 4 days ago
Select American Airlines flight, departing Tue, Oct 7 from Las Vegas to St. Louis, returning Wed, Oct 8, priced at $225 found 4 days ago
Flights from Las Vegas (LAS) to St. Louis (STL)
Origin airport
Harry Reid Intl.
Destination airport
Lambert-St. Louis Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Spirit Airlines, United
Popular airline
Delta
Distance
2188 km
Average flight time
5 hours 14 mins