Cheapest return flights from Houston to San Salvador in December from $222

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

Return flights

31 Dec - 14 Jan Frontier Airlines direct
26 Dec - 30 Dec Frontier Airlines direct
26 Dec - 29 Dec Frontier Airlines direct
31 Dec - 19 Jan Spirit Airlines direct
31 Dec - 17 Jan Spirit Airlines direct
26 Dec - 31 Dec Frontier Airlines direct
31 Dec - 21 Jan Spirit Airlines
31 Dec - 16 Jan Spirit Airlines direct
26 Dec - 28 Dec Frontier Airlines direct
26 Dec - 17 Jan Frontier Airlines direct
25 Dec - 31 Dec Spirit Airlines direct
31 Dec - 20 Jan Spirit Airlines
31 Dec - 15 Jan Spirit Airlines
31 Dec - 07 Jan Frontier Airlines
31 Dec - 18 Jan Spirit Airlines
30 Dec - 31 Dec Spirit Airlines direct
25 Dec - 27 Dec Spirit Airlines direct
29 Dec - 30 Dec Spirit Airlines direct
22 Dec - 31 Dec Frontier Airlines direct
24 Dec - 31 Dec Avianca direct

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

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