Originally Posted by
KARFA
For single CE bookings it is usually much more expensive compared to a return booking. For single ET bookings it is usually around the same price as a return.
Just to echo this. As discounted CE still has a Saturday night stay requirement, one way is normally a C or J fare. Otherwise it would be easy to be avoid the stay requirement.
I doubt the OP will be able to book a single for that price - give it a go and see what happens before payment.