$325 Cheap American Airlines flights Ontario (ONT) to Sioux Falls (FSD)

View $325 flight on Sun, Nov 9, 2025Opens in a new window

$325 Cheap American Airlines flights Ontario (ONT) to Sioux Falls (FSD)

Prices were available within the past 7 days and start at $325 for one-way flights and $459 for roundtrip, for the period specified. Prices and availability are subject to change. Additional terms apply.
American Airlines
Sun, Nov 9 - Fri, Nov 14
ONT
Ontario
FSD
Sioux Falls
$459
Roundtrip
Found 3 days ago
Select American Airlines flight, departing Sun, Nov 9 from Ontario to Sioux Falls, returning Fri, Nov 14, priced at $459 Found 3 days ago
American Airlines
Sun, Nov 9 - Fri, Nov 14
ONT
Ontario
FSD
Sioux Falls
$464
Roundtrip
Found 3 days ago
Select American Airlines flight, departing Sun, Nov 9 from Ontario to Sioux Falls, returning Fri, Nov 14, priced at $464 Found 3 days ago
American Airlines
Sun, Nov 9 - Fri, Nov 14
ONT
Ontario
FSD
Sioux Falls
$514
Roundtrip
Found 3 days ago
Select American Airlines flight, departing Sun, Nov 9 from Ontario to Sioux Falls, returning Fri, Nov 14, priced at $514 Found 3 days ago
American Airlines
Sun, Nov 9 - Fri, Nov 14
ONT
Ontario
FSD
Sioux Falls
$574
Roundtrip
Found 3 days ago
Select American Airlines flight, departing Sun, Nov 9 from Ontario to Sioux Falls, returning Fri, Nov 14, priced at $574 Found 3 days ago
Flights from Ontario (ONT) to Sioux Falls (FSD)
Origin airport
Los Angeles - Ontario Intl.
Destination airport
Sioux Falls Regional
Distance
2073 km