Cheap flights from Karnataka to Patna from ₹ 7,325

In general, August is the cheapest month to fly from Karnataka to Patna. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around ₹ 13,686. If you are unable to visit Patna during the month of August, then departing from Karnataka during the month September is also very affordable. Most momondo users find prices during this month for around ₹ 14,649.

On average, the least expensive day to fly to Patna from Karnataka is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as ₹ 15,936. However, this price may fluctuate depending on the airline, the season, and holidays. 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 Patna on Sunday is ₹ 18,004.

According to our data, the cheapest time of day to fly to Patna is at midday. momondo users have found flights departing from Karnataka to Patna at midday for as low as ₹ 16,217. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Patna are more costly in the afternoon, with an average ticket price of ₹ 17,804. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

Fly from Bengaluru Intl to Patna for the best Karnataka - Patna flight prices

You are more likely to see cheaper flights to Patna from Karnataka when booking weeks ahead of your departure date. In general, you can expect to find flights to Patna for around ₹ 16,649 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Patna from Karnataka for as low as ₹ 15,420 on momondo.

There are 2 cabin classes available to choose from on Karnataka to Patna flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Air India, Air India Express, and IndiGo are the most popular carriers operating from Karnataka to Patna

IndiGo, SpiceJet and Air India Express are the top three most popular airlines that fly to Patna from Karnataka according to our data. IndiGo is the first choice among our users, with 48% of people opting to fly with this airline when travelling to Patna. Keep in mind that there are 5 different airlines that fly to Patna on a routine basis, so you have a few additional options to choose from.

As of July 2026, there are 11 flights per day flying from Karnataka to Patna. The most common time of day flights depart is 08:00, with 54% of flights taking off in the afternoon.

As of July 2026, 77 flights take off from Karnataka and land in Patna each week. The most common flight departure day for this route is Mon, with 14% of weekly flights taking off on this day.