$291 Cheap United flights St. Louis (STL) to Harlingen (HRL)

$291 Cheap United flights St. Louis (STL) to Harlingen (HRL)

Prices were available within the past 7 days and start at $291 for one-way flights and $484 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Dec 29 - Fri, Jan 2

STL

St. Louis

HRL

Harlingen

$484 Roundtrip, found 14 hours ago

$484

Roundtrip

found 14 hours ago

Select United flight, departing Mon, Dec 29 from St. Louis to Harlingen, returning Fri, Jan 2, priced at $484 found 14 hours ago

Mon, Dec 29 - Fri, Jan 2

STL

St. Louis

HRL

Harlingen

$493 Roundtrip, found 14 hours ago

$493

Roundtrip

found 14 hours ago

Select United flight, departing Mon, Dec 29 from St. Louis to Harlingen, returning Fri, Jan 2, priced at $493 found 14 hours ago

Mon, Dec 29 - Fri, Jan 2

STL

St. Louis

HRL

Harlingen

$509 Roundtrip, found 14 hours ago

$509

Roundtrip

found 14 hours ago

Select United flight, departing Mon, Dec 29 from St. Louis to Harlingen, returning Fri, Jan 2, priced at $509 found 14 hours ago

Mon, Dec 29 - Fri, Jan 2

STL

St. Louis

HRL

Harlingen

$548 Roundtrip, found 14 hours ago

$548

Roundtrip

found 14 hours ago

Select United flight, departing Mon, Dec 29 from St. Louis to Harlingen, returning Fri, Jan 2, priced at $548 found 14 hours ago

Mon, Dec 29 - Fri, Jan 2

STL

St. Louis

HRL

Harlingen

$560 Roundtrip, found 14 hours ago

$560

Roundtrip

found 14 hours ago

Select United flight, departing Mon, Dec 29 from St. Louis to Harlingen, returning Fri, Jan 2, priced at $560 found 14 hours ago

Mon, Dec 29 - Fri, Jan 2

STL

St. Louis

HRL

Harlingen

$607 Roundtrip, found 14 hours ago

$607

Roundtrip

found 14 hours ago

Select United flight, departing Mon, Dec 29 from St. Louis to Harlingen, returning Fri, Jan 2, priced at $607 found 14 hours ago