Cheapest one-way flights from Washington to San Salvador in September from $59

AirHint found the following cheapest one-way flights from Washington (IAD) to San Salvador (SAL) in September 2025 (see full year).

One-Way flights

03 Sep Avianca
02 Sep Avianca direct
04 Sep Avianca direct
03 Sep Avianca direct
16 Sep Avianca
17 Sep Avianca
27 Sep Avianca direct
22 Sep Avianca direct
16 Sep Avianca direct
28 Sep Avianca direct

Also check the deals for return flights from Washington 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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