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

Return flights

02 Mar - 06 Mar	American Airlines
15 Mar - 18 Mar	Delta
21 Mar - 29 Mar	American Airlines
09 Mar - 16 Mar	American Airlines
16 Mar - 23 Mar	American Airlines
05 Mar - 11 Mar	American Airlines
01 Mar - 07 Mar	American Airlines
01 Mar - 15 Mar	American Airlines
17 Mar - 24 Mar	United
05 Mar - 10 Mar	American Airlines
19 Mar - 15 Apr	United
25 Mar - 03 Apr	American Airlines
25 Mar - 08 Apr	American Airlines
30 Mar - 03 Apr	American Airlines
30 Mar - 06 Apr	jetBlue
31 Mar - 04 Apr	American Airlines
30 Mar - 04 Apr	GOL Linhas Aéreas
30 Mar - 12 Apr	jetBlue
29 Mar - 03 Apr	jetBlue
26 Mar - 08 Apr	jetBlue

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

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 March from $297

Return flights