2 hr 25 min is the shortest flight time from New Delhi to Bengaluru.

The cheapest days to fly are usually in September. Typical prices range from $115 to $125.

The best round-trip deal recently found on Google Flights from New Delhi to Bengaluru was with IndiGo from $132. The best one-way deal was with IndiGo from $66.

There are direct flights from New Delhi to Bengaluru on a daily basis.

IndiGo, Air India, Vistara, SpiceJet, Akasa Air, Air India Express and Air India Express fly direct from New Delhi to Bengaluru.

The cheapest round-trip flight from New Delhi to Bengaluru starts at $132 from Thu, Aug 22 to Sun, Aug 25. The cheapest one-way flight starts at $66 and departs on Thu, Aug 1.

Bengaluru has a tropical savanna climate, with warm to hot weather year-round. The monsoon period, May–Oct, is the rainy season with tropical downpours. Nov–Apr is generally dry. The city is a year-round destination, but May–Jun and Dec–Jan are particularly popular months to visit. Key events include traditional Hindu festivals, like Dussehra (aka Dasara) in Oct, with colorful street processions. Diwali (Oct/Nov) is the festival of lights with candles, sparklers and fireworks.

It's easy to use Google Flights to find the cheapest days to fly from New Delhi to Bengaluru.
Just click the Departure label near the top of the page to open the calendar. Choose a start date and a return date to see how the round-trip fare changes on those specific days.
Adjust the trip type to see one-way fares. The cheapest available flights are highlighted and easy to spot. Once you settle on dates, click the Search button to see flight options and book the deal.

You can also turn on price tracking to get alerts if the price changes for a route or flight.