| Season | Team | Competition | MP | G | A | Rating | ||
|---|---|---|---|---|---|---|---|---|
| 2026 | El Salvador | Concacaf World Cup Qualifiers | 1 | 0 | 0 | 0 | 0 | 6.9 |
| 2024/2025 | El Salvador | Concacaf Nations League | 2 | 1 | 0 | 0 | 0 | 6.8 |
| 2024 | El Salvador | Friendlies | 0 | 0 | 0 | 0 | 0 | – |
| 2023/2024 | El Salvador | Concacaf Nations League | 1 | 0 | 0 | 0 | 0 | – |
| 2023 | El Salvador | Friendlies | 0 | 0 | 0 | 0 | 0 | – |
| 2022 | El Salvador | Concacaf World Cup Qualifiers | 2 | 0 | 0 | 0 | 0 | 6.8 |
| 2022 | El Salvador | Friendlies | 0 | 0 | 0 | 0 | 0 | – |
| 2021 | El Salvador | Friendlies | 0 | 0 | 0 | 0 | 0 | – |
| 2018 | El Salvador | Concacaf World Cup Qualifiers | 0 | 0 | 0 | 0 | 0 | – |
| 2015 | El Salvador | Friendlies | 3 | 0 | 0 | 0 | 0 | – |
| 2014 | El Salvador | Copa Centroamericana | 3 | 0 | 0 | 0 | 0 | – |
| 2014 | El Salvador | Friendlies | 5 | 0 | 0 | 0 | 0 | – |
| 2013 | El Salvador | Concacaf Gold Cup | 3 | 0 | 0 | 0 | 0 | – |
| 2013 | El Salvador | Friendlies | 1 | 0 | 0 | 0 | 0 | – |
| 2011 | El Salvador U20 | Concacaf U20 | 3 | 0 | 0 | 1 | 0 | – |
| Total | 24 | 1 | 0 | 1 | 0 | – | ||
| Date | From | To | Type | |
|---|---|---|---|---|
| 01 Jan 2014 | Santa Tecla | Suchitepéquez | Transfer | |
| 07 Jan 2014 | Suchitepéquez | Municipal | Transfer | |
| 07 Jan 2017 | Municipal | Suchitepéquez | Transfer | |
| 06 Jan 2018 | Suchitepéquez | Santa Tecla | Free Agent | |
| 07 Jan 2019 | Santa Tecla | Iztapa | Free Transfer | |
| 01 Jun 2020 | Iztapa | Deportivo Llacuabamba | Free Transfer | |
| 02 Jan 2021 | Deportivo Llacuabamba | Sport Chavelines | Free Transfer | |
| 01 Jan 2022 | Sport Chavelines | Águila | Free Transfer | |
| - | Águila | Comerciantes Unidos | Free Transfer | |
| 07 May 2024 | Comerciantes Unidos | Deportivo Llacuabamba | Free Transfer | |
| 01 Jan 2025 | Deportivo Llacuabamba | FAS | Free Transfer |
K. Santamaría career history shows progression across clubs and competitions, including club timeline, national team appearances and overall career totals.