WHSmith is planning to cut up to 1,500 jobs as bosses said its recovery from the Covid-19 lockdown has been "slow".
The retailer said it is starting to consult with staff over plans that could see as many as 1,500 of them losing their roles.
The company said it needed to reduce costs as its shops in airports and train stations are hit by low passenger numbers and its high street stores also suffer from low footfall.
The company said just over half of its UK travel shops have reopened and that 246 of its largest sites have started trading again.
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All of its 575 high-street stores have opened, the business said, but footfall is strongly down compared to last year.
Revenue was 57% lower last month compared to July 2019, even as sites started to welcome customers back, with most of this loss coming from the travel arm.
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Chief Executive Carl Cowling said: "We now need to take further action to reduce costs across our businesses.
"I regret that this will have an impact on a significant number of colleagues whose roles will be affected by these necessary actions and we will do everything we can to support them at this challenging time."
