Cheap flights from New Delhi to Bihar from ₹ 4,207

The cheapest month to fly to Bihar from New Delhi is in September. Flight prices, which tend to average around ₹ 9,536, 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 ₹ 10,938.

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 ₹ 10,908. 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 ₹ 11,794.

Our data shows that the cheapest New Delhi 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 ₹ 10,516. In the morning is when there is more demand to fly to Bihar, so prices are often more expensive at around ₹ 11,617 per ticket.

Fly from New Delhi Indira Gandhi Intl to Darbhanga for the best New Delhi Indira Gandhi Intl - Bihar flight prices

You are more likely to see cheaper flights to Bihar from New Delhi when booking weeks ahead of your departure date. In general, you can expect to find flights to Bihar for around ₹ 11,452 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 New Delhi for as low as ₹ 10,938 on momondo.

There are 4 cabin classes available to choose from on New Delhi Indira Gandhi Intl 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 New Delhi Indira Gandhi Intl to Bihar

IndiGo, SpiceJet and Air India are the top three most popular airlines that fly to Bihar from New Delhi 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.

As of March 2026, 33 flights take off from New Delhi and land in Bihar each day. The most common flight departure time for this route is 08:00, with 45% of daily flights taking off at midday.

The number of flights available between New Delhi and Bihar is 237 per week as of March 2026. The most frequent departure day is Thu, with 15% of weekly flights leaving on this day.