AirHint found the following cheapest one-way flights from San Salvador (SAL) to Houston (IAH) in December 2026 (see full year).
One-Way flights
| 22 Dec | Volaris El Salvador | direct | |
| 26 Dec | Volaris El Salvador | direct | |
| 30 Dec | Avianca | ||
| 30 Dec | United | direct |
Also check the deals for return flights from San Salvador to Houston in December.
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