Cheapest return flights from Washington to San Jose in March from $245

AirHint found the following cheapest return flights from Washington (IAD) to San Jose (SJO) in March 2026 (see full year).

Return flights

12 Mar - 16 Mar Volaris El Salvador
07 Mar - 12 Mar Volaris El Salvador
04 Mar - 08 Mar Volaris El Salvador
04 Mar - 17 Mar Volaris El Salvador
05 Mar - 17 Mar Volaris El Salvador
19 Mar - 23 Mar Volaris El Salvador
15 Mar - 06 Apr Volaris El Salvador
09 Mar - 14 Mar Avianca
17 Mar - 21 Mar Volaris El Salvador
16 Mar - 23 Mar Avianca
08 Mar - 15 Mar Avianca
30 Mar - 02 Apr Avianca
31 Mar - 13 Apr Copa
30 Mar - 10 Apr Avianca
29 Mar - 05 Apr Volaris El Salvador
28 Mar - 05 Apr Volaris El Salvador
29 Mar - 11 Apr Copa
28 Mar - 04 Apr Volaris El Salvador
29 Mar - 04 Apr Volaris El Salvador
27 Mar - 04 Apr Avianca

Also check the deals for one-way flights from Washington to San Jose in March.

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