Cheapest return flights from Washington to San Salvador in August from $276

AirHint found the following cheapest return flights from Washington (IAD) to San Salvador (SAL) in August 2026 (see full year).

Return flights

18 Aug - 01 Sep United direct
22 Aug - 27 Aug United
25 Aug - 08 Sep United
22 Aug - 27 Aug Avianca direct
25 Aug - 08 Sep Avianca direct
03 Aug - 21 Aug United
03 Aug - 21 Aug Avianca direct
07 Aug - 13 Aug Copa

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

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