UK PonyCon 2017, Bristol, 21/22 October · 10:23am Jun 3rd, 2017
Edit 6 June: Weekend and Saturday ticket sales are on hold pending a review of venue capacity, due to high sales. However, Sunday and stallholder tickets are still available. An Adult Sunday ticket is £21 for Standard tier or £31 for Supporter-tier. It’s possible some of the other ticket types may have a few more released once the capacity review is complete, but no guarantees. Source: the official UKPC forum.
The all-gens, all-ages MLP convention for the UK is back! Well, it will be in October, but you know what I mean. 
Anyway, you're now too late for Early Bird tickets, but normal-rate ones are still available. For an adult weekend pass, it's £35 for Standard-tier and £45 for Supporter-tier. The latter includes a mention in the con book, a special button badge and a £5 donation to the con charity, the Riding for the Disabled Association (RDA). Any remaining funds go to the con's running costs. Day tickets and family/child tickets are also available.
The con's official site, including the ticket store, is here:
I'm very tempted! After costing it up it looks like about £200 for the weekend for me.
4556757 It'd be good to see you if you do decide to come! Bear in mind there's no on-site (or nearly on-site) hotel this time and it's not in the city centre, so accommodation will need a tad more planning than sometimes. Still I'm already committed so I'll have to make it work. :D
4557149 Okay, I'm in.
4557231 Yay!
Edit: of course I mean