Cheapest return flights from Houston to San Salvador in March from $173

AirHint found the following cheapest return flights from Houston (IAH) to San Salvador (SAL) in March 2026 (see full year).

Return flights

31 Mar - 08 Apr Avianca direct
21 Mar - 23 Mar Volaris El Salvador
19 Mar - 23 Mar Volaris El Salvador
10 Mar - 17 Mar Volaris El Salvador
16 Mar - 18 Mar Avianca direct
31 Mar - 24 Apr Avianca direct
29 Mar - 03 Apr Avianca direct
11 Mar - 17 Mar Spirit Airlines
10 Mar - 24 Mar Volaris El Salvador direct
31 Mar - 11 Apr Avianca direct
29 Mar - 10 Apr Avianca direct
31 Mar - 10 Apr Avianca direct
30 Mar - 10 Apr Avianca direct
31 Mar - 04 Apr Avianca direct
21 Mar - 24 Mar Volaris El Salvador direct
22 Mar - 24 Mar Spirit Airlines
02 Mar - 10 Mar Spirit Airlines
04 Mar - 10 Mar Spirit Airlines
18 Mar - 20 Apr Avianca direct
21 Mar - 29 Apr Volaris El Salvador direct

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

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