$384 Cheap United flights St. Louis (STL) to Harlingen (HRL)

$384 Cheap United flights St. Louis (STL) to Harlingen (HRL)

Prices were available within the past 7 days and start at $384 for one-way flights and $664 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Aug 17 - Sat, Aug 22

STL

St. Louis

HRL

Harlingen

$664 Roundtrip, found 17 hours ago

$664

Roundtrip

found 17 hours ago

Select United flight, departing Mon, Aug 17 from St. Louis to Harlingen, returning Sat, Aug 22, priced at $664 found 17 hours ago