That's fantastic detail, Myles - and yes you are right, the round trip package was cheaper than booking the Concorde by itself. Probably something to do with guaranteed sales filling up a quota of what they would have expected to be otherwise unsold seats.
Meanwhile, time for my next pictures. This lot is pretty much self-explanatory, I think? It's the boarding and starting of the journey to Southampton.
Yes, we were having lots of trouble with the flash not firing - as you may have noticed on some earlier photos, and you will see again later on... Most annoying, but at least in this instance it actually adds a bit of atmosphere to the picture.