Cheapest return flights from Washington to San Salvador in December from $205

AirHint found the following cheapest return flights from Washington (IAD) to San Salvador (SAL) in December 2025 (see full year).

Return flights

08 Dec - 12 Dec Avianca direct
05 Dec - 08 Dec Volaris El Salvador direct
04 Dec - 09 Dec Volaris El Salvador direct
03 Dec - 10 Dec Volaris El Salvador direct
05 Dec - 12 Dec Volaris El Salvador direct
10 Dec - 15 Dec Volaris El Salvador direct
08 Dec - 15 Dec Volaris El Salvador direct
27 Dec - 14 Jan Volaris El Salvador
26 Dec - 13 Jan Volaris El Salvador direct
27 Dec - 14 Jan Volaris El Salvador direct
26 Dec - 31 Dec Volaris El Salvador direct
25 Dec - 12 Jan Copa
26 Dec - 12 Jan Copa
26 Dec - 12 Jan Volaris El Salvador direct
24 Dec - 16 Jan Volaris El Salvador direct
25 Dec - 31 Dec Volaris El Salvador direct
24 Dec - 31 Jan Volaris El Salvador direct
12 Dec - 27 Dec Copa
11 Dec - 11 Jan Volaris El Salvador direct
25 Dec - 12 Jan Volaris El Salvador direct

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

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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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