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

Return flights

31 Dec - 06 Jan	Avianca
19 Dec - 24 Dec	Frontier Airlines	direct
05 Dec - 07 Dec	Avianca	direct
08 Dec - 12 Dec	Avianca
29 Dec - 05 Jan	Avianca
31 Dec - 08 Jan	Avianca
25 Dec - 07 Jan	Avianca
30 Dec - 06 Jan	Avianca
31 Dec - 05 Jan	Avianca
20 Dec - 29 Dec	Avianca
20 Dec - 24 Dec	Avianca
05 Dec - 08 Dec	Avianca	direct
27 Dec - 06 Jan	Avianca
25 Dec - 30 Dec	Avianca
21 Dec - 26 Dec	Avianca
21 Dec - 29 Dec	Avianca
12 Dec - 25 Dec	Avianca
29 Dec - 04 Jan	Avianca
29 Dec - 05 Jan	Frontier Airlines	direct
31 Dec - 05 Jan	Frontier Airlines	direct

Also check the deals for one-way flights from San Salvador to Miami 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 San Salvador to Miami in December from 73€

Return flights