DUBAI, May 21 (Reuters) - Boeing Co said on Sunday it had signed a number of defense and commercial deals with Saudi Arabia including for the sale of military and commercial aircraft.

Saudi Arabia will purchase Chinook helicopters and intends to buy P-8 surveillance aircraft, the U.S. company said in a statement.

Boeing also said it would negotiate the sale of up to 16 widebody aircraft to Saudi Gulf Airlines. (Reporting by Alexander Cornwell Editing by Jeremy Gaunt)