Mangaluru (Airport code : IXE) located 70km north of Bekal is the nearest airport for Bekal. Travel further by road to Bekal. National highway (NH66) connects Bekal with Mangaluru. It's a 2hour or so long ride by taxi.
Other nearest options are Mysure (MYQ) and Kozhikode (CCJ). Mysore is 195km east of Bekal. Kozhikode is 245km south of Bekal.
Mysore has very few connections while Kozhikode has fairly good domestic and international connections. If there are no specific reasons, opt for Manguluru, which is the most convenient airport for Bekal for obvious proximity reason.