Cheapest return flights from Denver to San Salvador in September from 268€

AirHint found the following cheapest return flights from Denver (DEN) to San Salvador (SAL) in September 2025 (see full year).

Return flights

06 Sep - 16 Sep Frontier Airlines
28 Sep - 05 Oct Frontier Airlines
29 Sep - 06 Oct Copa
06 Sep - 20 Sep United

Also check the deals for one-way flights from Denver to San Salvador in September.

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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