$151 Cheap American Airlines flights Raleigh (RDU) to St. Louis (STL)

View $151 flight on Thu, Feb 12, 2026Opens in a new window

$151 Cheap American Airlines flights Raleigh (RDU) to St. Louis (STL)

Prices were available within the past 7 days and start at $151 for one-way flights and $326 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Thu, Feb 12 - Sun, Feb 15
RDU
Raleigh
STL
St. Louis
$326 Roundtrip, found 15 hours ago
$326
Roundtrip
found 15 hours ago
Select American Airlines flight, departing Thu, Feb 12 from Raleigh to St. Louis, returning Sun, Feb 15, priced at $326 found 15 hours ago

Find the cheapest month to fly from Raleigh (RDU) to St. Louis (STL)

December is typically the cheapest month to fly

From $128 - $466 per traveler.
Flights from Raleigh (RDU) to St. Louis (STL)
Origin airport
Raleigh - Durham Intl.
Destination airport
Lambert-St. Louis Intl.
Airlines serving
American Airlines, Delta, Frontier Airlines, Southwest Airlines, United
Popular airline
Delta
Distance
1065 km
Average flight time
1 hour 20 mins