Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Belfast City Airport to St. Louis as you normally would.
If you book a flight to St. Louis from Belfast City, you will be flying to Lambert-St Louis, which is the city’s only airport. Lambert-St Louis (STL) is located 12.7 mi from the center of St. Louis. There are 0 flights from Belfast City to Lambert-St Louis per day from 0 different airlines.