European discount airline Ryanair may start charging passengers for using the bathrooms on planes, the BBC reported Friday.

"One thing we have looked at in the past, and are looking at again, is the possibility of maybe putting a coin slot on the toilet door," the company's chief executive Michael O'Leary said.

He mentioned a possible charge of £1, about $1.80.

However, a company spokesman talked down the idea.

"Michael makes a lot of this stuff up as he goes along and while this has been discussed internally there are no immediate plans to introduce it," Stephen McNamara said in a statement cited by the Reuters news agency.

Ryanair offers low-cost flights but charges fees for handling checked baggage, children's car seats, sports equipment and musical instruments, its website shows.

The airline recently said it would end airport check-ins and require all passengers to check in through the internet. The move would reduce the cost of flights.