Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Moline to Grand Rapids as you normally would.
On average you can expect to pay $538 for a flight from Moline to Grand Rapids. The cheapest flight overall is $279 while the most popular route, (Moline Quad-City - Grand Rapids Gerald R. Ford Intl) is currently priced at $497.