Flights to Harlingen from $ 179*
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1 Passenger, Economy
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today
today
United's most popular flights to Harlingen (HRL)
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flight_land
$
Houston (IAH)to
Harlingen (HRL)03/01/26 - 03/08/26
from
$Â 179
Viewed: 16 hours ago
Roundtrip
Economy
Denver (DEN)to
Harlingen (HRL)01/28/26 - 02/04/26
from
$Â 217
Viewed: 16 hours ago
Roundtrip
Economy
Fort Lauderdale (FLL)to
Harlingen (HRL)01/24/26 - 01/27/26
from
$Â 217
Viewed: 16 hours ago
Roundtrip
Economy
Chicago (ORD)to
Harlingen (HRL)02/14/26 - 02/18/26
from
$Â 217
Viewed: 14 hours ago
Roundtrip
Economy
Minneapolis (MSP)to
Harlingen (HRL)01/21/26 - 01/24/26
from
$Â 213
Viewed: 14 hours ago
Roundtrip
Economy
Detroit (DTW)to
Harlingen (HRL)01/24/26 - 01/27/26
from
$Â 251
Viewed: 16 hours ago
Roundtrip
Economy
Omaha (OMA)to
Harlingen (HRL)01/13/26 - 01/20/26
from
$Â 251
Viewed: 14 hours ago
Roundtrip
Economy
Las Vegas (LAS)to
Harlingen (HRL)02/28/26 - 03/03/26
from
$Â 217
Viewed: 10 hours ago
Roundtrip
Economy
*Prices have been available for round trips within the last 48 hours and may not be currently available. For Economy class, fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply. Schedules are subject to change without notice.
Business class deals on flights to Harlingen (HRL)
flight_takeoff
flight_land
$
Houston (IAH)to
Harlingen (HRL)
12/25/25 - 12/26/25
Roundtrip
Business
from
$Â 518
Viewed: 3 hours ago
Denver (DEN)to
Harlingen (HRL)
02/05/26 - 02/08/26
Roundtrip
Business
from
$Â 1,154
Viewed: 1 day ago
Chicago (ORD)to
Harlingen (HRL)
01/26/26 - 02/04/26
Roundtrip
Business
from
$Â 1,139
Viewed: 1 day ago
Minneapolis (MSP)to
Harlingen (HRL)
01/26/26 - 01/30/26
Roundtrip
Business
from
$Â 653
Viewed: 22 hours ago
Honolulu (HNL)to
Harlingen (HRL)
12/30/25 - 01/05/26
Roundtrip
Business
from
$Â 2,297
Viewed: 16 minutes ago
Orlando (MCO)to
Harlingen (HRL)
02/05/26 - 02/09/26
Roundtrip
Business
from
$Â 799
Viewed: 12 hours ago
Philadelphia (PHL)to
Harlingen (HRL)
03/28/26 - 04/11/26
Roundtrip
Business
from
$Â 1,734
Viewed: 22 hours ago
Detroit (DTW)to
Harlingen (HRL)
01/17/26 - 01/24/26
Roundtrip
Business
from
$Â 691
Viewed: 45 minutes ago
*Prices have been available for round trips within the last 48 hours and may not be currently available. For Economy class, fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply. Schedules are subject to change without notice.
Things to do after your flight to Harlingen (HRL)
Fly to Harlingen with United Airlines from over 200 airports within the United States and an additional 100 airports internationally.
Harlingen’s top attractions
- Get up close to nearly 500 interesting bird species at the World Birding Center.
- Appreciate nature at Laguna Atascosa National Wildlife Refuge and Hilltop Gardens.
- Take the kids to Gladys Porter Zoo in nearby Brownsville.
- Stroll along historic Jackson Street, spot the statuesque Iwo Jima Memorial and learn more about the city at the Harlingen Arts and Heritage Museum.
- Shop at the extensive Rio Grande Valley Premium Outlets.
Best time to travel to Harlingen
The city hosts numerous concerts and comedy events year-round. Autumn and winter are the ideal seasons to visit Harlingen if you want to bird watch in the Rio Grande Valley. The popular Rio Grande Valley Birding Festival takes place every autumn.