Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Houston Hobby Airport to Lincoln, Nebraska as you normally would.
Located just 4.0 mi from the city center, Lincoln is the airport most travelers will use when flying to Lincoln from Houston Hobby. Booking flights from Houston Hobby to Lincoln (LNK) should be relatively easy as there are 0 daily inbound flights from Houston Hobby from 1 airline.
This is defined as Houston Hobby Airport (HOU) and Lincoln Airport (LNK). Codes like Lincoln Airport are often used to just call airports uniquely.