Originally Posted by
Anonba
You dont need to because trips can be changed to oneways by calling.
Maybe some would prefer to avoid that faff,
and maintain a measure of flexibility.
Making a switch mid-trip of a separately-ticketed return from Madrid to one from Lisbon cost me a little time online and a penalty of £1. Yes, I could possible have achieved the same result through the call centre, but that wouldn't be an experience I'd relish