Direct (nonstop) flights from Houston to Harlingen
1 airline flys nonstop from William P. Hobby Airport (HOU) to Valley International (HRL). It's 277 miles (445 km), about 1h 5m in the air. Operated by Southwest Airlines.
Southwest Airlines
Route data last updated: May 29, 2026
Airlines with non-stop flights
WN
Southwest Airlines
Alternative Routes
Other ways to fly from Houston to Harlingen with one stop · direct emits 51 kg CO₂ per passenger
Looking for the return flight?
HRL → HOU: Flights from Harlingen to HoustonOther direct flights from Houston
Direct flights from Harlingen (HRL)
Frequently Asked Questions
How long is the direct flight from Houston to Harlingen?
A nonstop flight from Houston (HOU) to Harlingen (HRL) takes approximately 1 hours and 5 minutes. The distance is 277 miles (445 km).
Which airlines fly nonstop from Houston to Harlingen?
Just Southwest Airlines.
Is there a nonstop flight from Houston to Harlingen?
Yes. 1 airline: Southwest Airlines.
How far is Houston from Harlingen?
The flight distance from Houston to Harlingen is 277 miles (445 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as London to Paris.
What type of aircraft flies from Houston to Harlingen?
At 1h 5m, this route typically uses narrow-body aircraft — Boeing 737 or Airbus A320. Varies by airline.
What is the carbon footprint of a flight from Houston to Harlingen?
Roughly 51 kg CO2 per passenger one-way. That's about the same as driving 255 km.
Is the return flight from Harlingen to Houston also nonstop?
Yes — nonstop flights run both ways. Flight time may differ slightly due to wind patterns.
When is the cheapest time to fly from Houston to Harlingen?
Midweek flights (Tue/Wed) outside holiday peaks are usually cheapest. 3-6 weeks ahead is a good window for this route. Use "Check Prices" above to compare.
How early should I arrive at William P. Hobby Airport for this flight?
1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.