From Birmingham International Airport train to Birmingham New Street, train to Leicester, train to Kettering, then train to Corby. 2hrs 10min £25. From Birmingham International Airport train to Northampton, Rail Station approach road, bus to North Gate Bus Station, then bus to Corby, George Street (Stop G). 2hrs 28min £24. 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, George Street (Stop A). 3hrs 57min £19. From Birmingham drive to Corby. 56min £11.