Gateway Arch in St. Louis Missouri, America, USA.

$158 Cheap American Airlines flights Las Vegas (LAS) to St. Louis (STL)

View $158 flight on Wed, Sep 23, 2026Opens in a new window

$158 Cheap American Airlines flights Las Vegas (LAS) to St. Louis (STL)

Prices were available within the past 7 days and start at $158 for one-way flights and $240 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Mon, Jul 27 - Mon, Aug 3
LAS
Las Vegas
STL
St. Louis
$240 Roundtrip, found 16 hours ago
$240
Roundtrip
found 16 hours ago
Select American Airlines flight, departing Mon, Jul 27 from Las Vegas to St. Louis, returning Mon, Aug 3, priced at $240 found 16 hours ago
American Airlines
Mon, Jul 27 - Mon, Aug 3
LAS
Las Vegas
STL
St. Louis
$279 Roundtrip, found 16 hours ago
$279
Roundtrip
found 16 hours ago
Select American Airlines flight, departing Mon, Jul 27 from Las Vegas to St. Louis, returning Mon, Aug 3, priced at $279 found 16 hours ago
American Airlines
Mon, Jul 27 - Mon, Aug 3
LAS
Las Vegas
STL
St. Louis
$285 Roundtrip, found 16 hours ago
$285
Roundtrip
found 16 hours ago
Select American Airlines flight, departing Mon, Jul 27 from Las Vegas to St. Louis, returning Mon, Aug 3, priced at $285 found 16 hours ago

Travel information

Origin airport
Harry Reid Intl.
Destination airport
Lambert-St. Louis Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Southwest Airlines, United
Popular airline
Frontier Airlines
Distance
2188 km
Average flight time
5 hours 12 mins

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