Direct flights from Harlingen to Houston HRL → IAH
United Airlines operates nonstop flights from Harlingen (HRL) to Houston (IAH). The nonstop flight takes around ~0h 36m, covering 295 miles (475 km). Updated 30 June 2026.
HRL
→
IAH
Round trip
1 adult
Economy
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Frequently asked questions
Is there a direct flight from Harlingen to Houston?
Yes, United Airlines operates nonstop flights from Harlingen (HRL) to Houston (IAH).
Which airlines fly direct from Harlingen to Houston?
United Airlines operates nonstop flights from Harlingen to Houston.
How long is the flight from Harlingen to Houston?
The nonstop flight from Harlingen to Houston takes ~0h 36m (approximately 475 km).