Cheap Flights To Ihlen 2026

Ihlen Flights as Low as $250

These prices were available within the past 7 days. Prices quoted are per person, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
American Airlines
Delta
Wed, Oct 14 - Tue, Oct 20
STL
Lambert-St. Louis Intl.
FSD
Sioux Falls Regional
$319
Roundtrip
found 21 hours ago
Select Delta flight, departing Wed, Oct 14 from Lambert-St. Louis Intl. to Sioux Falls Regional, returning Tue, Oct 20, priced at $319 found 21 hours ago
Delta
Wed, Oct 14 - Wed, Oct 21
STL
Lambert-St. Louis Intl.
FSD
Sioux Falls Regional
$325
Roundtrip
found 21 hours ago
Select Delta flight, departing Wed, Oct 14 from Lambert-St. Louis Intl. to Sioux Falls Regional, returning Wed, Oct 21, priced at $325 found 21 hours ago
Delta
Wed, Oct 14 - Fri, Oct 23
STL
Lambert-St. Louis Intl.
FSD
Sioux Falls Regional
$328
Roundtrip
found 21 hours ago
Select Delta flight, departing Wed, Oct 14 from Lambert-St. Louis Intl. to Sioux Falls Regional, returning Fri, Oct 23, priced at $328 found 21 hours ago
American Airlines
American Airlines
American Airlines
Delta
Thu, Oct 1 - Tue, Oct 6
ONT
Ontario Intl. Airport
FSD
Sioux Falls Regional
$341
Roundtrip
found 5 days ago
Select Delta flight, departing Thu, Oct 1 from Ontario Intl. Airport to Sioux Falls Regional, returning Tue, Oct 6, priced at $341 found 5 days ago
Delta
Thu, Oct 1 - Sun, Oct 4
ONT
Ontario Intl. Airport
FSD
Sioux Falls Regional
$344
Roundtrip
found 5 days ago
Select Delta flight, departing Thu, Oct 1 from Ontario Intl. Airport to Sioux Falls Regional, returning Sun, Oct 4, priced at $344 found 5 days ago
United
Delta
Tue, Oct 13 - Tue, Oct 20
STL
Lambert-St. Louis Intl.
FSD
Sioux Falls Regional
$349
Roundtrip
found 21 hours ago
Select Delta flight, departing Tue, Oct 13 from Lambert-St. Louis Intl. to Sioux Falls Regional, returning Tue, Oct 20, priced at $349 found 21 hours ago
American Airlines
Delta
Delta
Tue, Oct 13 - Fri, Oct 23
STL
Lambert-St. Louis Intl.
FSD
Sioux Falls Regional
$358
Roundtrip
found 21 hours ago
Select Delta flight, departing Tue, Oct 13 from Lambert-St. Louis Intl. to Sioux Falls Regional, returning Fri, Oct 23, priced at $358 found 21 hours ago
American Airlines

Cheap Ihlen Flights

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