Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Glasgow to Baku as you normally would.
For a flight from Glasgow to Baku, you will be flying into All airports. Baku All airports (BAK) is just 8.4 mi from the center of the city. All airports is the only Baku airport and it handles 0 inbound flights from Glasgow per day. 4 airlines have flights to Baku All airports from Glasgow on a regular basis.
Due to the rapidly changing circumstances due to COVID-19, airlines like Emirates and Lufthansa flying from Glasgow to Baku have implemented new flexible cancellation policies.