AirHint found the following cheapest return flights from Harlingen (HRL) to Houston (IAH) in June 2026 (see full year).
Return flights
| 11 Jun - 18 Jun | United | direct | |
| 17 Jun - 24 Jun | United | direct | |
| 12 Jun - 19 Jun | United | direct | |
| 14 Jun - 21 Jun | United | direct | |
| 15 Jun - 22 Jun | United | direct |
Also check the deals for one-way flights from Harlingen to Houston in June.
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