Cheapest return flights from Washington to San Salvador in December from 361€

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

Return flights

05 Dec - 09 Dec United
02 Dec - 09 Dec United
04 Dec - 09 Dec United
06 Dec - 14 Dec United
15 Dec - 21 Dec United
03 Dec - 07 Dec United
13 Dec - 18 Dec jetBlue
13 Dec - 19 Dec jetBlue
19 Dec - 25 Dec United
20 Dec - 30 Dec Frontier Airlines
23 Dec - 16 Jan United
22 Dec - 02 Jan Frontier Airlines
30 Dec - 13 Jan Delta
31 Dec - 04 Jan United
31 Dec - 03 Jan United
19 Dec - 10 Jan United
27 Dec - 07 Jan United
20 Dec - 03 Jan Frontier Airlines
25 Dec - 17 Jan Delta
22 Dec - 08 Jan United

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

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