How much does a Boeing plane costs?
That would depend on the model and new or used (and how old it was if used).
A new 747 costs about $250 million.
air force one is the designation given to any plane the president is on. If you mean the usual plane, it is a converted Boeing 767. The plane that holds most records for speed and time\travel is known as the SR71 Blackbird. Actually the president's usual plane is a converted Boeing 747 called a VC-25, and the SR71 Blackbird is the fasted air breathing plane, so there are other unmanned rocket powered planes that can…