EU passenger rights

EU air passenger rights apply: If your flight is within the EU and is operated either by an EU or a non-EU airline; If your flight arrives in the EU from outside the EU and is operated by an EU airline; If your flight departs from the EU to a non-EU country operated by an EU or a non-EU airline; If you have not already received benefits (compensation, re-routing, assistance from the airline) for flight related problems for this journey under the relevant law of a non-EU country.

The link address is: https://europa.eu/youreurope/citizens/travel/passenger-rights/air/index_en.htm