Get £5 bonus on 1 transaction when you spend £50 or more with Marks & Spencer between 00:01 and 23:59 on the 6th March 2026.

# Marks & Spencer £5 Bonus Transaction Deal Spend £50 or more at Marks & Spencer on March 6th, 2026, and you'll get a £5 bonus credit on that single transaction—essentially a 10% instant return on your purchase. This is a solid deal if you're already planning a larger shop at M&S, as the bonus applies automatically within the offer window. It's worth noting this is listed at £0.50 through British Airways (likely a Nectar points or partner scheme), so check if there are any card or membership