$331 Cheap American Airlines flights St. Louis (STL) to Idaho Falls (IDA)

View $331 flight on Wed, Jul 9, 2025Opens in a new window

$331 Cheap American Airlines flights St. Louis (STL) to Idaho Falls (IDA)

Prices were available within the past 7 days and start at $331 for one-way flights and $758 for roundtrip, for the period specified. Prices and availability are subject to change. Additional terms apply.
American Airlines
Wed, Jul 9 - Sun, Jul 13
STL
St. Louis
IDA
Idaho Falls
$758
Roundtrip
Found 2 days ago
Select American Airlines flight, departing Wed, Jul 9 from St. Louis to Idaho Falls, returning Sun, Jul 13, priced at $758 Found 2 days ago
Flights from St. Louis (STL) to Idaho Falls (IDA)
Origin airport
Lambert-St. Louis Intl.
Destination airport
Idaho Falls Regional
Distance
1876 km