Cheapest return flights from Harlingen to Houston in December from $194

AirHint found the following cheapest return flights from Harlingen (HRL) to Houston (IAH) in December 2025 (see full year).

Return flights

26 Dec - 28 Dec United direct
17 Dec - 22 Dec United direct
23 Dec - 05 Jan United direct
23 Dec - 04 Jan United direct
22 Dec - 05 Jan United direct
19 Dec - 04 Jan United direct
17 Dec - 21 Dec United direct
19 Dec - 28 Dec United direct
06 Dec - 07 Jan United direct
07 Dec - 07 Jan United direct
05 Dec - 06 Dec United direct
03 Dec - 04 Dec United direct

Also check the deals for one-way flights from Harlingen to Houston in December.

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