Premier Inn saw its sales growth fall slightly in the last quarter, down to 2.1% from 2.2% in the same period last year.
Chief executive Alison Brittain said Premier Inn was continuing to win market share, but she admitted the market was weaker than expected.
Budget hotel chains are under pressure from the rise of accommodation-sharing sites like Airbnb.
However, Premier Inn parent Whitbread, which also owns the Costa Coffee chain, saw its share price jump 3.59% to 4,182p on the release of its positive quarterly result this morning.
Like-for-like sales at the group were up 1.8% compared to the previous year for three months to June.
