Proof of residence. A document showing where you will stay during your stay in Spain. A return ticket. Or confirmation of onward travel if you do not plan to return to your home country after your stay in Spain.
People Also Ask
A few countries definitely require documented proof of onward travel. They include New Zealand, United Kingdom, United States, Brazil, Indonesia, Costa Rica, Peru, and the Philippines.
Proof of onward travel means that airlines and governments want to make sure you are not illegally immigrating to their country, so they need to see proof of a return ticket home.
When will ETIAS be necessary to travel from the UK to Spain? ETIAS will become obligatory for UK travellers in 2025. The system is scheduled to go live and become mandatory from that time onwards.
Proof of onward travel means that airlines and governments want to make sure you are not illegally immigrating to their country, so they need to see proof of a return ticket home. Basically, some countries want to make sure you aren't attempting to move there on a tourist visa and never leave.