Originally Posted by ttmab

The route is new when it (re-)launches on the 1st of April. They would like to draw your attention to that new route, and to the fact that cheap(ish) fares such as the one quoted for October are being offered. If they were to advertise the higher fares currently on sale for the summer months, any potential buyers might be dissuaded from considering BA for that route, even for future bookings. A 1-7 April return is currently to be had for £967 in basic economy HBO, so the £650 October example - while clearly indicating that date - is probably better marketing while being reasonably transparent.