AirHint found the following cheapest return flights from Oklahoma City (OKC) to San Salvador (SAL) in January 2026 (see full year).
Return flights
| 09 Jan - 31 Jan | Frontier Airlines | ||
| 22 Jan - 25 Jan | Frontier Airlines | ||
| 21 Jan - 28 Jan | United |
Also check the deals for one-way flights from Oklahoma City to San Salvador in January.
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