Cheap Flights to Willacy County from $49

View $49 flight on Tue, Mar 24, 2026Opens in a new window

Popular airlines to Willacy County

  • American Airlines

  • United

  • Delta

  • Southwest Airlines

  • Alaska Airlines

  • Sun Country Airlines

  • Air Canada

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 30% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

How much is the cheapest flight to Willacy County?

Prices were available within the past 7 days and start at $49 for one-way flights and $97 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Southwest Airlines
Tue, Apr 28 - Wed, Apr 29
AUS
Austin
HRL
Harlingen
$97 Roundtrip, found 1 day ago
$97
Roundtrip
found 1 day ago
Select Southwest Airlines flight, departing Tue, Apr 28 from Austin to Harlingen, returning Wed, Apr 29, priced at $97 found 1 day ago
Southwest Airlines
Tue, Apr 28 - Wed, Apr 29
AUS
Austin
HRL
Harlingen
$107 Roundtrip, found 1 day ago
$107
Roundtrip
found 1 day ago
Select Southwest Airlines flight, departing Tue, Apr 28 from Austin to Harlingen, returning Wed, Apr 29, priced at $107 found 1 day ago
Southwest Airlines
Tue, Apr 28 - Wed, Apr 29
AUS
Austin
HRL
Harlingen
$117 Roundtrip, found 1 day ago
$117
Roundtrip
found 1 day ago
Select Southwest Airlines flight, departing Tue, Apr 28 from Austin to Harlingen, returning Wed, Apr 29, priced at $117 found 1 day ago
American Airlines
Tue, Mar 10 - Wed, Mar 25
AUS
Austin
HRL
Harlingen
$128 Roundtrip, found 1 day ago
$128
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Mar 10 from Austin to Harlingen, returning Wed, Mar 25, priced at $128 found 1 day ago
Southwest Airlines
Fri, Apr 17 - Sun, Apr 19
AUS
Austin
HRL
Harlingen
$139 Roundtrip, found 13 hours ago
$139
Roundtrip
found 13 hours ago
Select Southwest Airlines flight, departing Fri, Apr 17 from Austin to Harlingen, returning Sun, Apr 19, priced at $139 found 13 hours ago
Delta
Tue, Mar 24 - Mon, Apr 6
AUS
Austin
MFE
McAllen
$139 Roundtrip, found 2 hours ago
$139
Roundtrip
found 2 hours ago
Select Delta flight, departing Tue, Mar 24 from Austin to McAllen, returning Mon, Apr 6, priced at $139 found 2 hours ago
American Airlines
Sat, Apr 18 - Wed, Apr 22
DFW
Dallas
HRL
Harlingen
$143 Roundtrip, found 1 day ago
$143
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sat, Apr 18 from Dallas to Harlingen, returning Wed, Apr 22, priced at $143 found 1 day ago
American Airlines
Tue, Mar 10 - Wed, Mar 25
AUS
Austin
HRL
Harlingen
$144 Roundtrip, found 1 day ago
$144
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Mar 10 from Austin to Harlingen, returning Wed, Mar 25, priced at $144 found 1 day ago
United
Tue, Apr 28 - Wed, Apr 29
AUS
Austin
HRL
Harlingen
$159 Roundtrip, found 1 day ago
$159
Roundtrip
found 1 day ago
Select United flight, departing Tue, Apr 28 from Austin to Harlingen, returning Wed, Apr 29, priced at $159 found 1 day ago
Alaska Airlines
Thu, Apr 23 - Wed, Apr 29
SEA
Seattle
MFE
McAllen
$327 Roundtrip, found 2 days ago
$327
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Thu, Apr 23 from Seattle to McAllen, returning Wed, Apr 29, priced at $327 found 2 days ago

The Annual Vacation Sale

Members save up to 40% on hotels and homes. Plan this year’s big trip and save.
Book now

Airports in Willacy County

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Valley Intl. HRL. Flights from $358
HRL
Valley Intl.
Flights from $358
Select flight to Miller Intl. MFE. Cheapest option available. Flights from $325
MFE
Miller Intl.
Cheapest
Flights from $325
Select flight to Brownsville-South Padre Island Intl. BRO. Flights from $476
BRO
Brownsville-South Padre Island Intl.
Flights from $476

Enjoy extra legroom, flight flexibility, and a seamless travel experience.

*Flight schedules are subject to change.

*Flight schedules are subject to change.

Trending flights to Willacy County

These prices were available within the past 7 days. Prices quoted are per person, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Southwest Airlines
Tue, Apr 28 - Wed, Apr 29
AUS
Austin
HRL
Harlingen
$97 Roundtrip, found 1 day ago
$97
Roundtrip
found 1 day ago
Select Southwest Airlines flight, departing Tue, Apr 28 from Austin to Harlingen, returning Wed, Apr 29, priced at $97 found 1 day ago
*Available to One Key members.