Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Buffalo to Syracuse as you normally would.
Related info for your journey
Useful info, stats and facts about Buffalo to Syracuse flights.
These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Buffalo Airport to Syracuse Hancock Intl Airport flight would often be abbreviated as a BUF to SYR flight.