ELPORT, the airline ticketing firm, filed with the US securities and exchange commission yesterday for a US listing.
The company, controlled by private equity giant Blackstone, indicated it aims to raise up to $100m (£60m) from the float.
The company reported a loss of $27m during the three months to 31 March, compared with a $22m loss a year earlier. Revenue rose four per cent to $572m.
Morgan Stanley and UBS are listed as lead underwriters.