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

Return flights

13 Dec - 20 Dec	Delta
31 Dec - 06 Jan	Delta
25 Dec - 01 Jan	Delta
16 Dec - 23 Dec	Delta
16 Dec - 31 Dec	Delta
26 Dec - 10 Jan	Delta
29 Dec - 13 Jan	Delta
25 Dec - 06 Jan	Delta
25 Dec - 02 Jan	Delta
16 Dec - 28 Dec	Delta
24 Dec - 31 Dec	Delta
24 Dec - 01 Jan	Delta
23 Dec - 06 Jan	Delta
17 Dec - 26 Dec	Delta
22 Dec - 22 Jan	Delta
20 Dec - 23 Dec	Delta
21 Dec - 28 Dec	Delta
18 Dec - 11 Jan	Delta

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

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 Dallas to San Salvador in December from $947

Return flights