The Nearest airports to Badami are Hubli (around 106 km) and Belgaum (around 150 km).  Below is the list of flights to Hubli and Belgaum.

Bangalore Airport, Code :BLR
KIA Bangalore
Toll free number: 18004191818

Hubli Airport, Code : HBX
Gokul Road
Hubli – 580 030 (Karnataka)
Telephone :91-836-223 7921

Belgaum Airport, Code :IXG
Civil Aerodrome, Sambra
Belgaum – 591124 (Karnataka)
Telephone :91-831-2562986, 256202

 Bangalore to Hubli Flight

Spice Jet has stopped the operations.  Air Pegasus has started the flight service to Hubli.  Now daily two flight is running  between Bengaluru and Hubballi.

    HUBBALLI – BENGALURU

Destination	Departure	Departure	Arrival	Flight Duration	Flight Number
BENGALURU	HUBBALLI	7:05	8:20	1:15	OP-113
BENGALURU	HUBBALLI	15:05	16:20	1:15	OP-111

BENGALURU – HUBBALLI

Destination	Departure	Departure	Arrival	Flight Duration	Flight Number
HUBBALLI	BENGALURU	8:45	10:00	1:15	OP-114
HUBBALLI	BENGALURU	16:40	17:55	1:15	OP-1112

Bangalore to Belgaum Flights

Spicejet runs daily flights between Bengaluru to Belagavi .

Flight Information

Flight: SG 3311

Total Duration: 1h 15m

6:10 PM Bengaluru => 7:20 PM Belgaum

Flight: SG 3309

Total Duration: 1h 10m

 Belgaum  to Bangalore Flights

Flight Information

Flight:  SG 3312

Total Duration: 1h 20m

Flight: SG 3310

Total Duration: 1h 10m

Mumbai to Belgaum  Flight

SpiceJet also runs flights between Mumbai and Belgaum.

The above list/details is only for reference, please visit the airlines website for updated list and to  tickets.