2004 CONCACAF Champions' Cup

The 2004 CONCACAF Champions' Cup was the 39th edition of the annual international club football competition held in the CONCACAF region (North America, Central America and the Caribbean), the CONCACAF Champions' Cup. It was won by Alajuelense after a 5–1 aggregate win over Deportivo Saprissa in the final.

North American zone

 * 🇲🇽 Pachuca - 2003 Apertura champion
 * 🇲🇽 Monterrey - 2003 Clausura champion
 * 🇺🇸 San Jose Earthquakes - 2003 MLS Cup champion
 * 🇺🇸 Chicago Fire - 2003 MLS Eastern Conference/Supporters' Shield champion

Central American zone

 * Saprissa - 2003 UNCAF Interclub Cup champion
 * Alajuelense - 2003 UNCAF Interclub Cup third place
 * 🇸🇻 FAS - 2003 UNCAF Interclub Cup second best runner-up in the group stage


 * Notes
 * Comunicaciones - 2003 UNCAF Interclub Cup runner-up was disqualified from tournament because Guatemalan FA was suspended by CONCACAF and FIFA in January 2004. The place of Comunicaciones was given to C.D. FAS (as second best runner-up in the group stage).

Caribbean zone

 * 🇹🇹 San Juan Jabloteh - 2003 CFU Club Championship champion

Quarterfinals
''2–2 on aggregate. Saprissa won 3–2 on penalties.''

Chicago Fire won 6–5 on aggregate.

Alajuelense won 3–1 on aggregate.

Monterrey won 4–1 on aggregate.

Semifinals
Saprissa won 3–2 on aggregate.

Alajuelense won 2–1 on aggregate.

Second leg
Alajuelense won 5–1 on aggregate.