Cheapest return flights from Washington to San Salvador in January from $161

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

Return flights

05 Jan - 14 Jan Frontier Airlines direct
27 Jan - 03 Feb Volaris El Salvador direct
07 Jan - 14 Jan Frontier Airlines direct
06 Jan - 17 Jan Frontier Airlines direct
10 Jan - 08 Feb Frontier Airlines direct
21 Jan - 27 Jan Volaris El Salvador direct
29 Jan - 03 Feb Volaris El Salvador direct
28 Jan - 02 Feb Volaris El Salvador direct
28 Jan - 04 Feb Volaris El Salvador direct
27 Jan - 02 Feb Volaris El Salvador direct
31 Jan - 08 Feb Volaris El Salvador direct
29 Jan - 02 Feb Volaris El Salvador direct
24 Jan - 05 Feb Volaris El Salvador direct
26 Jan - 02 Feb Volaris El Salvador direct
19 Jan - 27 Jan Frontier Airlines direct
05 Jan - 13 Jan Frontier Airlines direct
17 Jan - 19 Jan Frontier Airlines direct
14 Jan - 24 Jan Frontier Airlines
17 Jan - 24 Jan Frontier Airlines
14 Jan - 21 Jan Frontier Airlines direct

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

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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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