Clube de Regatas do Flamengo (Campeonato Brasileiro Serie A): every transfer in and out, fees paid and earned, squad market value, €324m spent and €352m earned.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2026-02-10 | Carbone | Flamengo | FC Lugano | — |
| 2026-02-07 | Iago Teodoro | Flamengo | Orlando | €1.2m |
| 2026-02-06 | Allan | Flamengo | Corinthians | Loan |
| 2026-01-28 | Lucas Paquetá | West Ham | Flamengo | €42m |
| 2026-01-20 | Petterson | Flamengo | Brusque | Free |
| 2026-01-18 | Victor Hugo | Flamengo | Atlético-MG | €2.1m |
| 2026-01-15 | Andrew | Gil Vicente | Flamengo | €1.5m |
| 2026-01-14 | Matías Viña | Flamengo | River Plate | Loan |
| 2026-01-09 | Vitão | Internacional | Flamengo | €10m |
| 2026-01-01 | Matheus Cunha | Flamengo | Cruzeiro | Free |
| 2026-01-01 | Juninho | Flamengo | UNAM Pumas | €5m |
| 2026-01-01 | Iago Teodoro | Flamengo U20 | Flamengo | — |
| 2026-01-01 | Cleiton | Flamengo | Wolfsburg | Free |
| 2026-01-01 | Carlinhos | Flamengo | Remo | Loan |
| 2026-01-01 | Carbone | Flamengo U20 | Flamengo | — |
| 2025-09-02 | Victor Hugo | Flamengo | Santos | Loan |
| 2025-09-01 | Matheus Gonçalves | Flamengo | Al-Ahli | €9m |
| 2025-09-01 | Lorran | Flamengo | Pisa | Loan |
| 2025-08-02 | Jorge Carrascal | Dynamo Moscow | Flamengo | €13m |
| 2025-07-29 | Samuel Lino | Atlético | Flamengo | €22m |