Spirit Airlines agrees to be bought by JetBlue in $3.8-billion deal

(Reuters) - Spirit Airlines Inc on Thursday agreed to a sweetened $3.8-billion offer from low-cost rival JetBlue Airways Corp, ending a drawn-out battle for the carrier that would help create the fifth-largest U.S. airline.

(Reporting by Nathan Gomes in Bengaluru; Editing by Sriraj Kalluvila and Arun Koyyur)