Cheapest one-way flights from San Salvador to Washington in August from $156

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

One-Way flights

07 Aug Avianca
28 Aug United
18 Aug American Airlines
03 Aug Avianca direct
07 Aug Volaris El Salvador direct
10 Aug Spirit Airlines
10 Aug Volaris El Salvador direct
18 Aug Volaris El Salvador direct
28 Aug Avianca direct

Also check the deals for return flights from San Salvador to Washington in August.

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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