Sainsbury’s – Bicester, Pioneer Square – Opening Hours & Store Details You can find Sainsbury’s Superstore in Pioneer Square Shopping Centre on Bure Place, a 0.11 mile driving distance south-east from the centre of Bicester (not far from Bicester Community College and Longfields Primary and Nursery School). This supermarket serves people from the locales of Launton, Bicester Town Centre, Chesterton, Caversfield, Bucknell and Ambrosden. Today (Friday), hours of business begin at 7:00 am and end at 10:00 pm. This page will provide you with all the information you need about Sainsbury’s Bicester, Pioneer Square, including the hours of operation, navigation, product ranges and further details.