Cheapest return flights from Jacksonville to San Salvador in April from $419

AirHint found the following cheapest return flights from Jacksonville (JAX) to San Salvador (SAL) in April 2026 (see full year).

Return flights

12 Apr - 19 Apr American Airlines
04 Apr - 12 Apr Frontier Airlines

Also check the deals for one-way flights from Jacksonville to San Salvador in April.

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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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