AirHint found the following cheapest return flights from Austin (AUS) to San Salvador (SAL) in January 2026 (see full year).
Return flights
| 20 Jan - 10 Feb | Spirit Airlines | ||
| 17 Jan - 24 Jan | Copa | ||
| 10 Jan - 19 Jan | Spirit Airlines | ||
| 06 Jan - 19 Jan | United | ||
| 08 Jan - 10 Jan | Spirit Airlines | ||
| 05 Jan - 11 Jan | United |
Also check the deals for one-way flights from Austin to San Salvador in January.
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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.
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