Three customers will pay £2 a day from May 23, while EE and Vodafone will introduce the fee from this month.
While post-Brexit travel was expected to be different, holidaymakers also have to be careful with always evolving Covid travel rules.
These can change quickly, as was seen with the France ban on Britons last month.
Just this week, Paris has made masks mandatory outdoors again.
Nightclubs remain closed and cafes and bars are only offering table service.
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