From Birmingham International Airport train to Northampton, Rail Station approach road, bus to Greyfriars Bus Station, then bus to Corby, George Street (Stop G). 2hrs 24min £25. From Birmingham International Airport train to Birmingham New Street, train to Leicester, train to Kettering, then train to Corby. 2hrs 08min £25. From Birmingham Airport, B'ham Airport Bus Terminal line 900 bus to Pool Meadow Bus Station, bus to St Margaret's Bus Station, bus to Market Harborough, Market Hall (Market Hall Bus Station), then line 67 bus to Corby, Studfall Avenue. 3hrs 41min £18. From Birmingham drive to Corby. 1hrs 20min £11.