I've just lifted this from henryp's post on the 2017 thread - he's detailed all the venues (to date).
It's DEFINITELY worth checking the itinerary page though - there could be last minute changes, The itinerary can be found here

Warburton Souling Play 2018

Thursday 1st November
Warburton Saracen’s Head 8:15pm
Rixton       Black Swan 8:45pm
Agden       Wheatsheaf 9:15pm, Jolly Thresher 9:40pm
Lymm       Lymm Folk Club 10:10pm

Friday 2nd November       Knutsford      
Builder's Arms 8:30pm, Cross Keys 9:00pm, Rose and Crown 9:30pm
Freemason's 9:50pm, White Bear 10:10pm, White Bear 10:40pm

Saturday 3rd November      
Agden Warf Barn Owl 8:00pm
Stathem       The Star 8:30pm
Lymm Bull’s Head 9:00pm, The Saddlers 9:30pm, The Brewery Tap 10:00pm, Spread Eagle 10:30pm,

Thursday 8th November
Sale Jackson’s Boat 8:30pm, The Bridge Inn 9:00pm
               
Friday 9th November      
Ashley       Greyhound 7:30pm
Hale The Midland 8:00pm
Altrincham Market Tavern 8:45pm, Orange Tree 9:15pm, Malt Shovels 9:45pm, Costello’s 10:30pm

Saturday 10th November      
Warburton Church Warburton Autumn Fair 2:15pm
Rixton       Black Swan 6:00pm
Little Bollington Swan with 2 Nicks 6:40pm, Old No.3 7:15pm
Dunham Rope and Anchor 7:45pm, Axe and Cleaver 8:15pm
Heatley       Green Dragon 8:45pm
Warburton Saracen’s Head 9.30pm