June 20 (Reuters) - Canadian airplane maker Bombardier Inc said on Tuesday it agreed to sell up to 50 Q400 turboprop aircraft to Indian budget carrier SpiceJet Ltd .
SpiceJet will buy 25 Q400 turboprop aircraft from Bombardier, as per a letter of intent between the two companies. The Indian airline has the option to buy 25 more planes.
An order could be valued at up to $1.7 billion, based on the list price for the 86-seater Q400, Bombardier said. (Reporting by Ankit Ajmera in Bengaluru; Editing by Sai Sachin Ravikumar)