Budget path
BriefCheapest door-to-door option; expect extra stops and tighter luggage space.
- Service
- EMT Line 203 Exprés Aeropuerto (Atocha – Cibeles – O’Donnell – Airport)
- Mode
- bus
- Freq
- 15-20 day / 35 nightm
- Note
- This 24‑hour express bus connects all terminals with O’Donnell, Plaza de Cibeles and Atocha, giving direct access or easy onward connections to Sol and Gran Vía. Daytime frequency is roughly every 15–20 minutes (reduced to about every 35 minutes at night) with a flat fare of €5.