$99 Cheap American Airlines flights St. Louis (STL) to Harlingen (HRL)

$99 Cheap American Airlines flights St. Louis (STL) to Harlingen (HRL)

Prices were available within the past 7 days and start at $99 for one-way flights and $197 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Nov 1 - Sat, Nov 8

STL

St. Louis

HRL

Harlingen

$197 Roundtrip, found 11 hours ago

$197

Roundtrip

found 11 hours ago

Select American Airlines flight, departing Sat, Nov 1 from St. Louis to Harlingen, returning Sat, Nov 8, priced at $197 found 11 hours ago

Sat, Nov 1 - Sat, Nov 8

STL

St. Louis

HRL

Harlingen

$243 Roundtrip, found 11 hours ago

$243

Roundtrip

found 11 hours ago

Select American Airlines flight, departing Sat, Nov 1 from St. Louis to Harlingen, returning Sat, Nov 8, priced at $243 found 11 hours ago

Sat, Nov 1 - Sat, Nov 8

STL

St. Louis

HRL

Harlingen

$258 Roundtrip, found 11 hours ago

$258

Roundtrip

found 11 hours ago

Select American Airlines flight, departing Sat, Nov 1 from St. Louis to Harlingen, returning Sat, Nov 8, priced at $258 found 11 hours ago

Fri, Oct 31 - Tue, Nov 11

STL

St. Louis

HRL

Harlingen

$304 Roundtrip, found 11 hours ago

$304

Roundtrip

found 11 hours ago

Select American Airlines flight, departing Fri, Oct 31 from St. Louis to Harlingen, returning Tue, Nov 11, priced at $304 found 11 hours ago

Sun, Nov 2 - Tue, Nov 11

STL

St. Louis

HRL

Harlingen

$313 Roundtrip, found 11 hours ago

$313

Roundtrip

found 11 hours ago

Select American Airlines flight, departing Sun, Nov 2 from St. Louis to Harlingen, returning Tue, Nov 11, priced at $313 found 11 hours ago

Sat, Nov 1 - Sat, Nov 8

STL

St. Louis

HRL

Harlingen

$343 Roundtrip, found 11 hours ago

$343

Roundtrip

found 11 hours ago

Select American Airlines flight, departing Sat, Nov 1 from St. Louis to Harlingen, returning Sat, Nov 8, priced at $343 found 11 hours ago