SINGAPORE, Feb 22 (Reuters) - Vietnamese budget carrier VietJet on Thursday said it had agreed to a provisional deal to order 20 A330neo wide-body airliners from Europe's Airbus.

The agreement, made on the sidelines of the Singapore Airshow, confirmed an earlier report by Reuters. (Reporting by Khanh Vu in Hanoi and Lisa Barrington and Brenda Goh in Singapore; Writing by Jamie Freed. Editing by Gerry Doyle)