Originally Posted by
the_gironian
Interesting the single ticket thing, I have never seen that but will try! Anyways I think it is better to book separate tickets specially because of this 24h period, so if you want to change one flight it won't affect the other.
This may happen more often for returns starting in the UK (particularly London) - so booking a single *to* London can be cheaper than adding a return leg to the outbound ticket.