What is the cheapest month to fly from Houston to Harlingen?

Based on current 6-month forward fare data, September 2026 is the cheapest month to fly from Houston (IAH) to Harlingen (HRL), with fares starting from $134.

What is the lowest current fare from IAH to HRL?

The lowest currently-listed fare from Houston (IAH) to Harlingen (HRL) is $134 on 2026-09-09.

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.

Cheap flights from Houston to Harlingen

Cheapest current fares: $134 in September 2026, 476 km direct flight in ~34m.

Last updated August 10, 2026 · By Flightmaps Editorial

Cheapest month-by-month fares

Lowest available fare per calendar month from Houston (IAH) to Harlingen (HRL). Refreshed daily.

Houston (IAH) → Harlingen (HRL)

September 2026 $134
August 2026 $164

Frequently asked questions

What is the cheapest month to fly from Houston to Harlingen?

Based on current 6-month forward fare data, September 2026 is the cheapest month to fly from Houston (IAH) to Harlingen (HRL), with fares starting from $134.
What is the lowest current fare from IAH to HRL?

The lowest currently-listed fare from Houston (IAH) to Harlingen (HRL) is $134 on 2026-09-09.
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.