When flying from Columbus to Tallinn, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Tallinn Ulemiste (TLL) is the airport you will fly into if you book a flight from Columbus to Tallinn. You should not have trouble finding flights to Ulemiste from Columbus; the airport handles an average of 0 inbound flights from Columbus per day. You should also have plenty of airline options to choose from since 0 airlines have flights to the Tallinn airport from Columbus. It is only a 2.1 mi journey from Ulemiste (TLL) to Tallinn’s city center.
This is defined as Columbus Airport (CMH) and Tallinn Ulemiste Airport (TLL). Codes like Tallinn Ulemiste Airport are often used to just call airports uniquely. While you’re still figuring out your travel plans, it’s not a bad idea to learn the names and codes of other airports around these areas: Dayton Airport (DAY), Cincinnati Airport (LUK), Columbus Rickenbacker Airport (LCK), Parkersburg Wood County Airport (PKB), Lima Allen County Airport (AOH).