Cheap Bus and Train tickets to Burlington, IA, US

What are the most popular routes to Burlington?

Chicago - BurlingtonAverage price$53Average duration3h 34mDaily departures2
Denver - BurlingtonAverage price$174Average duration14h 29mDaily departures1
Denver - BurlingtonAverage price$258Average duration14h 55mDaily departures1
Omaha - BurlingtonAverage price$46Average duration5h 18mDaily departures1
Osceola - BurlingtonAverage price$35Average duration2h 50mDaily departures1