Southwest Airlines
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United States
William P. Hobby Airport
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United States
Valley International Airport
Click to show full flight schedule
Scan through all non-stop flights from Houston to Harlingen. The full flight schedule below gives an overview of all non-stop flights from HOU to HRL, which includes the daily timetable of every operating airline for the upcoming 12 months.
Note: for airline-specific flight schedules, please scroll further down.
Harlingen is a humid subtropical or warm-temperate destination, featuring hot, humid summers with temperatures typically around 30°C (86°F) and mild to cool winters. The region is known for consistent rainfall throughout the year, peaking in summer. The area is known for its vibrant urban energy, diverse landscapes, and numerous outdoor activities.
You can visit Harlingen any time of the year, but the best months to explore are from to and from to .
Currently, there is only one airline operating non-stop flights from Houston HOU to Harlingen HRL, which is Southwest Airlines. This section gives an overview of the flight schedules and timetables of every airline with direct flights for this route.
Click an airline below to view their HOU HRL flight schedule.
Flights from HOU to HRL are operated 18 times a week, with an average of 3 flights per day. Departure times vary between 08:10 - 22:55. The earliest flight departs at 08:10, the last flight departs at 22:55. However, this depends on the date you are flying so please check with the full flight schedule above to see which departure times are available on your preferred date(s) of travel.
On this non-stop route, you can fly in Economy only.
The fastest direct flight from Houston to Harlingen takes 1 hour and 5 minutes. The flight distance between Houston and Harlingen is 276 miles (or 444 km).
There is 1 airport in Harlingen: Valley International Airport (HRL).
There are 18 flights per week flying from Houston to Harlingen (as of April 2026).
1 hour and 5 minutes is the average flight time from Houston to Harlingen.
The distance from Houston to Harlingen is 276 miles (444 kilometers).
Southwest Airlines is the only airline flying nonstop from Houston to Harlingen.
There are no alliances flying direct from Houston to Harlingen at the moment.
You can fly non-stop in Economy only.
Aircraft types that fly from Houston to Harlingen:
The earliest flight departs at 08:10 from Houston and arrives at 09:20 at Harlingen.
The latest flight departs at 22:55 from Houston and arrives at 00:05 at Harlingen.
276 miles (444 km) · 1h 5m
10:10
11:20
Southwest Airlines
WN 3859
Southwest Airlines
Boeing 757
Y
W
J
F
10:25
11:35
Southwest Airlines
WN 3859
Southwest Airlines
Boeing 757
Y
W
J
F
10:35
11:45
Southwest Airlines
WN 3157
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
10:35
11:45
Southwest Airlines
WN 3859
Southwest Airlines
Boeing 757
Y
W
J
F
11:00
12:10
Southwest Airlines
WN 3859
Southwest Airlines
Boeing 757
Y
W
J
F
14:55
16:00
Southwest Airlines
WN 2324
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
15:45
16:55
Southwest Airlines
WN 2989
Southwest Airlines
Boeing 757
Y
W
J
F
16:20
17:25
Southwest Airlines
WN 2324
Southwest Airlines
Boeing 757
Y
W
J
F
16:50
17:55
Southwest Airlines
WN 762
Southwest Airlines
Boeing 737-800 (winglets)
Y
W
J
F
20:30
21:35
Southwest Airlines
WN 2325
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
20:50
22:00
Southwest Airlines
WN 2325
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
21:55
23:00
Southwest Airlines
WN 2325
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
22:45
23:50
Southwest Airlines
WN 2325
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
22:55
00:05
Southwest Airlines
WN 3328
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
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