Cheapest one-way flights from Austin to San Salvador in March from $301

Best time to book flights for Austin (AUS) to San Salvador (SAL) flights at AirHint

AirHint found the following cheapest one-way flights from Austin (AUS) to San Salvador (SAL) in March 2025 (see full year).

One-Way flights

15 Mar Frontier Airlines

Also check the deals for return flights from Austin to San Salvador in March.

Skyscanner

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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