Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Bangkok to Green Bay as you normally would.
Related info for your journey
Useful info, stats and facts about Bangkok to Green Bay flights.
Located just 9.5 km from the city centre, Green Bay Austin-Straubel is the airport most travellers will use when flying to Green Bay from Bangkok. Booking flights from Bangkok to Austin-Straubel (GRB) should be relatively easy as there are 0 daily inbound flights from Bangkok from 0 different airlines.
This is defined as Bangkok Suvarnabhumi Airport (BKK) and Green Bay Austin-Straubel Airport (GRB). Codes like Green Bay Austin-Straubel Airport are often used to just call airports uniquely. Bangkok Don Mueang Intl Airport (DMK), Rayong Utapao Rayong Pattaya Airport (UTP), Hua Hin Airport (HHQ) are some additional IATA codes for airports related to your trip.