Direct (nonstop) flights from Harlingen to Houston
1 airline flys nonstop from Valley International (HRL) to George Bush Intcntl Houston (IAH). It's 295 miles (475 km), about 1h 23m in the air. Operated by United Airlines.
United Airlines
Route data last updated: May 31, 2026
Airlines with non-stop flights
UA
United Airlines
Alternative Routes
Other ways to fly from Harlingen to Houston with one stop · direct emits 55 kg CO₂ per passenger
Looking for the return flight?
IAH → HRL: Flights from Houston to HarlingenOther direct flights from Harlingen
Direct flights from Houston (IAH)
Frequently Asked Questions
How long is the direct flight from Harlingen to Houston?
A nonstop flight from Harlingen (HRL) to Houston (IAH) takes approximately 1 hours and 23 minutes. The distance is 295 miles (475 km).
Which airlines fly nonstop from Harlingen to Houston?
Just United Airlines.
Is there a nonstop flight from Harlingen to Houston?
Yes. 1 airline: United Airlines.
How far is Harlingen from Houston?
The flight distance from Harlingen to Houston is 295 miles (475 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as Mumbai to Goa.
What type of aircraft flies from Harlingen to Houston?
At 1h 23m, this route typically uses narrow-body aircraft — Boeing 737 or Airbus A320. Varies by airline.
What is the carbon footprint of a flight from Harlingen to Houston?
Roughly 55 kg CO2 per passenger one-way. That's about the same as driving 275 km.
Is the return flight from Houston to Harlingen 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 Harlingen to Houston?
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 Valley International for this flight?
1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.