Cheapest return flights from Washington to San Salvador in September from 174€

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

Return flights

13 Sep - 16 Sep Avianca direct
13 Sep - 30 Sep Avianca direct
01 Sep - 08 Sep Avianca direct
21 Sep - 24 Sep Avianca direct
10 Sep - 14 Sep Avianca direct
08 Sep - 09 Sep Avianca direct
16 Sep - 18 Sep Avianca direct
10 Sep - 17 Sep Copa
18 Sep - 22 Sep Avianca direct
10 Sep - 16 Sep Avianca
29 Sep - 06 Oct Copa

Also check the deals for one-way 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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