Cheapest return flights from Washington to San Salvador in January from $191

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

Return flights

26 Jan - 29 Jan Avianca direct
30 Jan - 14 Feb Volaris El Salvador direct
25 Jan - 27 Jan Volaris El Salvador direct
22 Jan - 27 Jan Volaris El Salvador direct
13 Jan - 29 Jan Avianca direct
28 Jan - 16 Feb Avianca direct
31 Jan - 09 Feb Volaris El Salvador direct
31 Jan - 08 Feb Volaris El Salvador direct
23 Jan - 30 Jan Volaris El Salvador direct
24 Jan - 30 Jan Volaris El Salvador direct
23 Jan - 08 Feb Volaris El Salvador direct
23 Jan - 31 Jan Volaris El Salvador direct
16 Jan - 28 Jan Volaris El Salvador direct
08 Jan - 31 Jan Volaris El Salvador direct
14 Jan - 31 Jan Avianca direct
02 Jan - 26 Feb Frontier Airlines direct
09 Jan - 07 Feb Frontier Airlines
09 Jan - 07 Feb Frontier Airlines direct
02 Jan - 28 Feb Frontier Airlines direct
28 Jan - 18 Feb Avianca direct

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

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