Cheap flights from Bengaluru to Bihar from ₹ 7,288

The cheapest month to fly to Bihar from Bengaluru is in September. Flight prices, which tend to average around ₹ 6,137, are often lower during this time because this is during the off-season. If you aren’t able to travel to Bihar during the month of September, then flying in December is also cheap. Prices for this month can be found on momondo for an average of ₹ 7,000.

Our data shows that Thursday is the least expensive day to fly to Bihar. Tickets to fly out on this day can be as low as ₹ 15,801. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Bihar on Sunday is ₹ 18,183.

Our data shows that the cheapest Bengaluru to Bihar flights are usually those with departure times at midday. Our users have found flights to Bihar at midday for as low as ₹ 15,514. In the afternoon is when there is more demand to fly to Bihar, so prices are often more expensive at around ₹ 17,560 per ticket.

Fly from Bengaluru Intl to Darbhanga for the best Bengaluru Intl - Bihar flight prices

You are more likely to see cheaper flights to Bihar from Bengaluru when booking weeks ahead of your departure date. In general, you can expect to find flights to Bihar for around ₹ 16,150 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Bihar from Bengaluru for as low as ₹ 11,986 on momondo.

Air India Express is the most popular carrier operating from Bengaluru Intl to Bihar

IndiGo, SpiceJet and Air India Express are the top three most popular airlines that fly to Bihar from Bengaluru according to our data. IndiGo is the first choice among our users, with 50% of people opting to fly with this airline when travelling to Bihar. Keep in mind that there are 4 different airlines that fly to Bihar on a routine basis, so you have a few additional options to choose from.

As of May 2026, there are 16 flights per day flying from Bengaluru to Bihar. The most common time of day flights depart is 16:00, with 43% of flights taking off in the afternoon.

As of May 2026, 112 flights take off from Bengaluru and land in Bihar each week. The most common flight departure day for this route is Mon, with 14% of weekly flights taking off on this day.