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

Return flights

26 May - 02 Jun	United
16 May - 22 May	Copa
14 May - 19 May	American Airlines
13 May - 18 May	American Airlines
30 May - 06 Jun	United
23 May - 25 May	United
20 May - 25 May	United
18 May - 25 May	American Airlines
26 May - 16 Jun	Avianca
29 May - 06 Jun	American Airlines
07 May - 10 May	American Airlines
18 May - 22 May	jetBlue
22 May - 25 May	United
22 May - 24 May	Copa

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

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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Cheapest return flights from Washington to San Salvador in May from $272

Return flights