The U.S. Justice Department is preparing to sue to block travel technology company Sabre Corp.’s proposed acquisition of Farelogix Inc. over concerns the deal will harm competition, according to a person familiar with the matter.
The department’s antitrust division is set to file a lawsuit as soon as Monday, Aug. 19, said the person. Sabre announced plans Aug. 14 to close the deal next week.
Sabre agreed to buy Farelogix in November for $360 million. Both companies provide information technology systems that enable airlines to sell tickets.
The Justice Department challenge would follow concerns raised by the U.K.’s antitrust regulator...