Cheap flights from National Capital Territory of India to Bihar from ₹ 4,351

The cheapest month to fly to Bihar from National Capital Territory of India is in September. Flight prices, which tend to average around ₹ 9,647, 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 July is also cheap. Prices for this month can be found on momondo for an average of ₹ 11,066.

Our data shows that Tuesday is the least expensive day to fly to Bihar. Tickets to fly out on this day can be as low as ₹ 10,915. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to Bihar on Saturday is ₹ 11,931.

Our data shows that the cheapest National Capital Territory of India to Bihar flights are usually those with departure times in the afternoon. Our users have found flights to Bihar in the afternoon for as low as ₹ 10,636. In the morning is when there is more demand to fly to Bihar, so prices are often more expensive at around ₹ 11,734 per ticket.

Fly from New Delhi Indira Gandhi Intl to Darbhanga for the best National Capital Territory of India - Bihar flight prices

You are more likely to see cheaper flights to Bihar from National Capital Territory of India when booking weeks ahead of your departure date. In general, you can expect to find flights to Bihar for around ₹ 11,586 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 National Capital Territory of India for as low as ₹ 11,066 on momondo.

There are 4 cabin classes available to choose from on National Capital Territory of India to Bihar flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

SpiceJet and IndiGo are the most popular carriers operating from National Capital Territory of India to Bihar

IndiGo, SpiceJet and Air India are the top three most popular airlines that fly to Bihar from National Capital Territory of India according to our data. IndiGo is the first choice among our users, with 40% of people opting to fly with this airline when travelling to Bihar. Keep in mind that there are 5 different airlines that fly to Bihar on a routine basis, so you have a few additional options to choose from.

The number of flights available between National Capital Territory of India and Bihar is 8 per day as of March 2026. The most frequent departure time is 08:00, with 43% of daily flights leaving at midday.

As of March 2026, 62 flights take off from National Capital Territory of India and land in Bihar each week. The most common flight departure day for this route is Sat, with 55% of weekly flights taking off on this day.