Kathmandu (KTM) to Bangalore (BLR): 1,117 miles (1,797 km) great-circle, about 2h 45m nonstop by our estimate. Cheapest fare observed: $408 round-trip on IndiGo, with 1 stop, departing April 29, 2026.
$408 round-trip, IndiGo 6E1162, departing 2026-04-29 at 20:50, returning 2026-05-06. The recorded itinerary left on a Wednesday, returning on a Wednesday 7 nights later; the fare was observed 4 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $408, it ranked 6th of the 30 round-trip fares we recorded from KTM (median $659). That is 36.5 cents per great-circle mile (round-trip price over one-way distance), close to the KTM median of 37.6 cents across 28 round-trip routes.
Routes from KTM of similar length: Chengdu (1,138 mi) at $441 and Almaty (1,177 mi) at $686.
IndiGo had the cheapest fare on 6 of 30 KTM routes. It is the 21st longest of the 30 routes we track from KTM.
Of 4 departure airports with a fare to Bangalore, Kathmandu (KTM) ranked 3rd at $408. Lowest: $90 from Chennai (MAA); highest: $836 from Brisbane (BNE); 1 nonstop. Cheapest-fare airlines (routes): Air India Express (2), IndiGo (1) and Jetstar (1).
The reverse, Bangalore (BLR) to Kathmandu (KTM), was $349 round-trip on IndiGo, 1 stop, departing May 8, 2026. Bangalore to Kathmandu flights.
Travelpayouts fares (cheapest per route, observed April 25, 2026); OurAirports coordinates and elevations; IANA zones Asia/Kathmandu, Asia/Kolkata; flight time is our estimate.