The Cercanías (Suburban), Rodalies (Commuter) and Metric Gauge services do not allow changes.

On AVE (high-speed), AVE International between Spain and France, Alvia, Euromed and Intercity trains, the terms and conditions for changes will depend on the option (Básico, Elige or Prémium) you have purchased:

• Básico tickets do not allow changes or cancellations. 
• Elige and Elige Confort tickets allow a free first change (you will only pay the price difference with the new ticket, if any). The following changes have a cost per change of €10. If the new ticket is priced lower than the original, the difference will not be refunded and if the new ticket is priced higher, the difference must be paid.

You can upgrade your journey by purchasing, for an extra cost, unlimited free changes (allowing you to change the date and time of travel as often as you like without being charged for it, only paying the price difference with the new ticket, if any; only for departures and arrivals within Spain), Puente AVE (you can bring your departure forward or delay it on the same day as the journey, without change fees and without paying a price difference) and Superflex Pack (includes unlimited free changes, Puente AVE and full refund, only for departures and arrivals within Spain).

• the Prémium ticket includes the Superflex Pack. Remember that the Prémium ticket is not available on AVE International.

The origin and destination cannot be changed.

In Avant (mid-distance high-speed) and Media Distancia (mid-distance) trains, the change conditions will depend on the fare you have purchased:

• If you have a Flexible fare, it allows changes without penalties.
• If you have a Return fare, it allows changes without penalties.
• If you have an Ida (Single) fare, changes are allowed, with a 10% administration fee over the price of the ticket.
  

Tickets may be changed up to a maximum of 3 times, within their validity period. The origin and destination cannot be changed.