Old Jul 7, 14, 6:46 am
FlyerTalk Evangelist
Join Date: Mar 2006
Location: Mostly UK
Programs: Mucci Extraordinaire, Hilton Diamond, BA Gold (ex BD)
Posts: 10,662
Only if you have a semi-flex (the ones that allow free same day changes) or fully flex fare and seats are available on the earlier service.

Otherwise it'd be change fee + fare difference.
layz is offline