All transport fares and daily budgets benchmarked for 2026.
Core Planning
Transport
Price review: Sep 2026

Comboios de Portugal (CP): Booking Promo Fares and Navigating Strikes

How to book Promo tickets 5 to 8 days in advance on cp.pt and what to do during rail union actions.

E
Written by ETH Editorial Team
Published: Jul 27, 2026 • Fact-checked by ETH Editorial Team

Unlocking Cheap Long-Distance Rail in Portugal

Comboios de Portugal (CP) operates Portugal's national rail system. Knowing how CP structures its fare tariffs allows you to travel across the country for minimal cost.

The CP Promo Fare Rule

CP releases promotional tickets (marked Bilhete Promo) on long-distance trains:

  • Booking Window: Promo fares appear between 5 and 8 days before departure (and up to 30 days early).
  • Fares: Alfa Pendular high-speed tickets between Lisbon and Porto drop from standard €33 down to €15.00. Lisbon to Faro in the Algarve drops from €23 to €9.50.
  • How to Book: Use only the official portal at cp.pt or the official CP mobile app. Third-party aggregators do not reliably display the promo discount.

How to Handle Rail Strikes (Greves)

Portuguese rail unions occasionally call 24-hour partial strikes. Under Portuguese law, CP must operate mandatory minimum services (serviços mínimos), which typically guarantees 25% to 30% of scheduled passenger trains. Check the CP website alert banner 48 hours prior for the list of guaranteed operating trains.

E
About the Author

ETH Editorial Team

The ETH (Euro Travel Hacks) Editorial Team researches European travel costs, transport, accommodation, and trip-planning information using official sources and structured Euro Travel Hacks data. Changing prices and travel information are dated and reviewed against cited sources where practical.

Experience: Structured research and verification across official European transport operators, municipal transit authorities, and national tourism offices.