Cheap flights from Houston to Harlingen
Cheapest current fares: $149 in August 2026, 476 km direct flight in ~34m.
Cheapest month-by-month fares
Lowest available fare per calendar month from Houston (IAH) to Harlingen (HRL). Refreshed daily.
Houston (IAH) → Harlingen (HRL)
- August 2026 $149
Frequently asked questions
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What is the cheapest month to fly from Houston to Harlingen?
Based on current 6-month forward fare data, August 2026 is the cheapest month to fly from Houston (IAH) to Harlingen (HRL), with fares starting from $149.
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What is the lowest current fare from IAH to HRL?
The lowest currently-listed fare from Houston (IAH) to Harlingen (HRL) is $149 on 2026-08-18.
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How long is the flight from Houston to Harlingen?
Direct flights from IAH to HRL cover approximately 476 km (296 miles), with an estimated flight time of 34m. Operating airlines: UA.
Related guides for this route
Sibling pages — full route detail, airport overviews, visa context, per-airline routes.