Cheapest one-way flights from Washington (IAD) to San Salvador (SAL), September

Select a price to book. see full year.

Dates, airline, and price
Dates Airline Price
04 Sep Frontier Airlines
04 Sep Volaris El Salvador
Direct Flight
15 Sep Copa
16 Sep Copa
18 Sep Copa
19 Sep Copa
20 Sep Copa
21 Sep Copa
22 Sep Copa
26 Sep Copa
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deals for return flights from Washington to San Salvador in September.

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Updated Jul 12, 2026.

About these fares

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