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

Return flights

24 Dec - 02 Jan	Avianca
19 Dec - 02 Jan	Avianca
05 Dec - 07 Dec	Avianca	direct
03 Dec - 07 Dec	Avianca
26 Dec - 31 Dec	Avianca
05 Dec - 17 Dec	Avianca	direct
08 Dec - 12 Dec	Avianca	direct
28 Dec - 02 Jan	Avianca
24 Dec - 28 Dec	Avianca
22 Dec - 29 Dec	Avianca
26 Dec - 31 Dec	Frontier Airlines	direct
22 Dec - 29 Dec	Frontier Airlines	direct
24 Dec - 02 Jan	Frontier Airlines	direct
19 Dec - 02 Jan	Frontier Airlines	direct
25 Dec - 03 Jan	Avianca

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 200€

Return flights