Nonstop flights from Houston to Harlingen

Southwest Airlines flies this route 3 to 4 times a day.

HOUHouston William P. Hobby

278 mi · 22 flights a week

HRLHarlingen Valley International

HOUHRL

When they leave

Houston time

10:10a9:30pFirst departure 10:10 AM, last 9:30 PM

Two in the morning, 10:10 AM to 11:50 AM, then three in the afternoon, 1:30 PM to 4:10 PM, then two in the evening, 8:40 PM to 9:30 PM.

Every flight

Earliest first

10:10 AM→11:20 AMSouthwest AirlinesBoeing 737-700Mon, Thu, Fri
11:50 AM→1:00 PMSouthwest AirlinesBoeing 737-700Tue, Wed, Sat, Sun
1:30 PM→2:35 PMSouthwest AirlinesBoeing 737-700Sun
2:45 PM→3:50 PMSouthwest AirlinesBoeing 737-700Tue, Wed, Sat, Sun
4:10 PM→5:15 PMSouthwest AirlinesBoeing 737Mon, Thu, Fri
8:40 PM→9:45 PMSouthwest AirlinesBoeing 737 MAX 8Tue, Wed, Sat, Sun
9:30 PM→10:35 PMSouthwest AirlinesBoeing 737 MAX 8Mon, Thu, Fri

Schedules last checked Sep 19, 2026. Times are local.

Flying from Houston to Harlingen

Southwest Airlines is the only airline flying nonstop from Houston to Harlingen, 3 to 4 times a day on the Boeing 737-700, Boeing 737 MAX 8 and Boeing 737.

Flights run every day of the week, 4 on Sundays and 3 on the other days. The first arrival in Harlingen is at 11:20 AM and the last at 10:35 PM. The flight covers 278 miles.

Flying back, Harlingen to Houston has 22 nonstop flights a week. George Bush Intercontinental (IAH) also has nonstop flights to Harlingen, 21 a week.