Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Hays to Glasgow as you normally would.
For a flight from Hays to Glasgow, you will be flying from Hays. Hays (HYS) is just 3.3 mi from the center of the city. Hays is the only Hays airport and it handles 0 outbound flights to Glasgow per day. 0 airlines have flights to Glasgow from Hays on a regular basis.
HYS stands for Hays Airport, while GLA stands for Glasgow Intl Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry. Edinburgh Turnhouse Airport (EDI), Glasgow Prestwick Airport (PIK), Dundee Airport (DND), Isle of Islay Glenegedale Airport (ILY), Campbeltown Machrihanish Airport (CAL) are other airports near this flight route and their unique identifiers/IATA codes.