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

Return flights

24 Aug - 28 Aug	Delta
24 Aug - 31 Aug	Delta
26 Aug - 31 Aug	Delta
22 Aug - 25 Aug	Delta
12 Aug - 15 Aug	United
16 Aug - 19 Aug	United
11 Aug - 15 Aug	United
19 Aug - 26 Aug	United
14 Aug - 21 Aug	United
23 Aug - 26 Aug	United
29 Aug - 16 Sep	Delta
28 Aug - 01 Sep	Delta
29 Aug - 01 Sep	Delta

Also check the deals for one-way flights from Washington to San Salvador in August.

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.

Book a cheap hotel in San Salvador

Cheap car rent in San Salvador

Cheapest return flights from Washington to San Salvador in August from 220€

Return flights