Flights to Harlingen from $ 197*
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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)07/12/26 - 07/16/26
from
$ 239
Viewed: 21 hours ago
Roundtrip
Economy
Denver (DEN)to
Harlingen (HRL)08/27/26 - 08/31/26
from
$ 244
Viewed: 22 hours ago
Roundtrip
Economy
Chicago (ORD)to
Harlingen (HRL)08/18/26 - 08/25/26
from
$ 217
Viewed: 20 hours ago
Roundtrip
Economy
Dallas (DFW)to
Harlingen (HRL)08/22/26 - 08/26/26
from
$ 241
Viewed: 22 hours ago
Roundtrip
Economy
San Diego (SAN)to
Harlingen (HRL)08/18/26 - 08/25/26
from
$ 257
Viewed: 18 hours ago
Roundtrip
Economy
Minneapolis (MSP)to
Harlingen (HRL)08/19/26 - 08/26/26
from
$ 272
Viewed: 20 hours ago
Roundtrip
Economy
San Francisco (SFO)to
Harlingen (HRL)08/25/26 - 08/29/26
from
$ 237
Viewed: 18 hours ago
Roundtrip
Economy
Detroit (DTW)to
Harlingen (HRL)08/18/26 - 08/25/26
from
$ 257
Viewed: 22 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)
07/25/26 - 07/26/26
Roundtrip
Business
from
$ 419
Viewed: 22 hours ago
Denver (DEN)to
Harlingen (HRL)
07/24/26 - 07/26/26
Roundtrip
Business
from
$ 1,206
Viewed: 21 hours ago
Chicago (ORD)to
Harlingen (HRL)
05/31/26 - 06/05/26
Roundtrip
Business
from
$ 914
Viewed: 1 day ago
San Francisco (SFO)to
Harlingen (HRL)
06/22/26 - 06/28/26
Roundtrip
Business
from
$ 1,223
Viewed: 20 hours ago
Atlanta (ATL)to
Harlingen (HRL)
06/22/26 - 06/25/26
Roundtrip
Business
from
$ 959
Viewed: 1 day ago
Casper (CPR)to
Harlingen (HRL)
09/27/26 - 09/30/26
Roundtrip
Business
from
$ 1,380
Viewed: 1 day ago
Baltimore (BWI)to
Harlingen (HRL)
06/25/26 - 06/29/26
Roundtrip
Business
from
$ 973
Viewed: 9 hours ago
Indianapolis (IND)to
Harlingen (HRL)
07/01/26 - 07/05/26
Roundtrip
Business
from
$ 1,214
Viewed: 23 hours 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.