What is the cheapest airline that flies from Karnataka to Bihar?

Air India is the most popular carrier operating from Karnataka to Bihar

How many flights depart from Karnataka to Bihar on average per week?

The number of flights available between Karnataka and Bihar is 94 per week as of December 2025. The most frequent departure day is Mon, with 16% of weekly flights leaving on this day.

How many flights depart from Karnataka to Bihar on average per day?

As of December 2025, there are 13 flights per day flying from Karnataka to Bihar. The most common time of day flights depart is 08:00, with 49% of flights taking off in the afternoon.

Which airlines fly to Bihar?

IndiGo, SpiceJet and Air India Express are the top three most popular airlines that fly to Bihar from Karnataka according to our data. IndiGo is the first choice among our users, with 47% 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.

When did momondo last update prices for flights from Karnataka to Bihar?

Prices for flights from Karnataka to Bihar were last updated today.

How many operators does momondo search for flights from Karnataka to Bihar?

There are 4 operators available for flights from Karnataka to Bihar as of December 2025.

How old do you have to be to fly from Karnataka to Bihar?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Karnataka to Bihar.

What documentation or ID do you need to fly to Bihar?

The required travel and health documents for your Bihar trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Bihar. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

₹ 6,473 Cheap Flights from Karnataka to Bihar in 2025/26

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Find the cheapest flights from Karnataka to Bihar

Round-trip

One-way

Last minute

Direct

Cheap return flights

Enter your travel dates to find the best prices.

20:00 - 09:40

BLR

PAT

13h 40m1 stop

13:05 - 20:30

PAT

BLR

7h 25m1 stop

₹ 13,215Air India

Wed, 4 Feb - Mon, 9 Feb

05:30 - 12:35

BLR

PAT

7h 05m1 stop

15:30 - 23:00

PAT

BLR

7h 30m1 stop

₹ 13,305Air India

Tue, 10 Feb - Tue, 10 Feb

09:00 - 14:40

BLR

PAT

5h 40m1 stop

13:05 - 19:25

PAT

BLR

6h 20m1 stop

₹ 13,665Air India

Mon, 12 Jan - Tue, 13 Jan

20:05 - 22:45

BLR

PAT

2h 40mdirect

13:05 - 19:25

PAT

BLR

6h 20m1 stop

₹ 13,844Multiple Airlines

Sun, 4 Jan - Thu, 12 Mar

12:40 - 23:15

BLR

PAT

10h 35m1 stop

13:05 - 19:25

PAT

BLR

6h 20m1 stop

₹ 14,024Multiple Airlines

Sun, 4 Jan - Thu, 12 Mar

20:05 - 22:45

BLR

PAT

2h 40mdirect

19:10 - 08:55

PAT

BLR

13h 45m1 stop

₹ 14,114Multiple Airlines

Thu, 19 Feb - Sun, 22 Feb

17:15 - 19:50

BLR

PAT

2h 35mdirect

20:20 - 23:10

PAT

BLR

2h 50mdirect

₹ 14,204Air India Express

Fri, 2 Jan - Fri, 9 Jan

20:05 - 22:45

BLR

PAT

2h 40mdirect

09:10 - 12:00

PAT

BLR

2h 50mdirect

₹ 14,294Multiple Airlines

Sun, 4 Jan - Thu, 12 Mar

16:10 - 20:25

BLR

PAT

4h 15m1 stop

18:20 - 21:10

PAT

BLR

2h 50mdirect

₹ 14,384Multiple Airlines

Thu, 8 Jan - Fri, 9 Jan

05:55 - 10:30

BLR

PAT

4h 35m1 stop

20:20 - 23:10

PAT

BLR

2h 50mdirect

₹ 14,474Multiple Airlines

Fri, 2 Jan - Fri, 9 Jan

Air India Express flights from Karnataka to Bihar

Our best Air India Express deals on Karnataka to Bihar flight tickets

Air India Express

2 Jan

BLR17:15Bengaluru Intl

2h 35m

PAT19:50Patna

9 Jan

PAT20:20Patna

2h 50m

BLR23:10Bengaluru Intl

₹ 14,204

Find similar

Air India Express

21 Jan

BLR17:15Bengaluru Intl

2h 35m

PAT19:50Patna

28 Jan

PAT20:20Patna

2h 50m

BLR23:10Bengaluru Intl

₹ 14,653

Find similar

Air India Express

19 Jan

BLR15:10Bengaluru Intl

2h 40m

PAT17:50Patna

19 Jan

PAT20:20Patna

2h 50m

BLR23:10Bengaluru Intl

₹ 14,743

Find similar

Air India flights from Karnataka to Bihar

Our best Air India deals on Karnataka to Bihar flight tickets

Air India

4 Feb

BLR20:00Bengaluru Intl

13h 40m

1 stop

PAT09:40Patna

9 Feb

PAT13:05Patna

7h 25m

1 stop

BLR20:30Bengaluru Intl

₹ 13,215

Find similar

Air India

10 Feb

BLR05:30Bengaluru Intl

7h 05m

1 stop

PAT12:35Patna

10 Feb

PAT15:30Patna

7h 30m

1 stop

BLR23:00Bengaluru Intl

₹ 13,305

Find similar

Air India

12 Jan

BLR09:00Bengaluru Intl

5h 40m

1 stop

PAT14:40Patna

13 Jan

PAT13:05Patna

6h 20m

1 stop

BLR19:25Bengaluru Intl

₹ 13,664

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BengaluruPatna

BLR - PAT

BLRPAT

Bengaluru Intl

Wed 4/2

20:00-09:40

1 stop13h 40m

Patna

Mon 9/2

13:05-20:30

1 stop7h 25m

₹ 13,215

BengaluruPatna

BLR - PAT

BLRPAT

Bengaluru Intl

Tue 10/2

05:30-12:35

1 stop7h 05m

Patna

Tue 10/2

15:30-23:00

1 stop7h 30m

₹ 13,305

BengaluruPatna

BLR - PAT

BLRPAT

Bengaluru Intl

Mon 12/1

09:00-14:40

1 stop5h 40m

Patna

Tue 13/1

13:05-19:25

1 stop6h 20m

₹ 13,664

BengaluruPatna

BLR - PAT

BLRPAT

Bengaluru Intl

Sun 4/1

20:05-22:45

Nonstop2h 40m

Patna

Thu 12/3

13:05-19:25

1 stop6h 20m

₹ 13,844

BengaluruPatna

BLR - PAT

BLRPAT

Bengaluru Intl

Sun 4/1

12:40-23:15

1 stop10h 35m

Patna

Thu 12/3

13:05-19:25

1 stop6h 20m

₹ 14,024

BengaluruPatna

BLR - PAT

BLRPAT

Bengaluru Intl

Thu 19/2

20:05-22:45

Nonstop2h 40m

Patna

Sun 22/2

19:10-08:55

1 stop13h 45m

₹ 14,114

BengaluruPatna

BLR - PAT

BLRPAT

Bengaluru Intl

Fri 2/1

17:15-19:50

Nonstop2h 35m

Patna

Fri 9/1

20:20-23:10

Nonstop2h 50m

₹ 14,204

BengaluruPatna

BLR - PAT

BLRPAT

Bengaluru Intl

Sun 4/1

20:05-22:45

Nonstop2h 40m

Patna

Thu 12/3

09:10-12:00

Nonstop2h 50m

₹ 14,294

BengaluruPatna

BLR - PAT

BLRPAT

Bengaluru Intl

Thu 8/1

16:10-20:25

1 stop4h 15m

Patna

Fri 9/1

18:20-21:10

Nonstop2h 50m

₹ 14,384

BengaluruPatna

BLR - PAT

BLRPAT

Bengaluru Intl

Fri 2/1

05:55-10:30

1 stop4h 35m

Patna

Fri 9/1

20:20-23:10

Nonstop2h 50m

₹ 14,474

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Karnataka to Bihar

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Bihar?

The cheapest month to fly to Bihar from Karnataka is in August. Flight prices, which tend to average around ₹ 12,945, 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 August, then flying in June is also cheap. Prices for this month can be found on momondo for an average of ₹ 13,395.

What is the cheapest day to depart on your flight to Bihar?

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 ₹ 14,001. 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 ₹ 15,793.

What is the cheapest time of day to depart on your flight to Bihar?

Our data shows that the cheapest Karnataka to Bihar flights are usually those with departure times at midday. Our users have found flights to Bihar at midday for as low as ₹ 14,014. In the afternoon is when there is more demand to fly to Bihar, so prices are often more expensive at around ₹ 16,441 per ticket.

What is the cheapest Karnataka to Bihar flight route?

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

How far in advance should I book a flight to Bihar?

You are more likely to see cheaper flights to Bihar from Karnataka when booking weeks ahead of your departure date. In general, you can expect to find flights to Bihar for around ₹ 15,177 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 Karnataka for as low as ₹ 11,237 on momondo.

What cabin class options are available on Karnataka to Bihar flights?

There are 3 cabin classes available to choose from on Karnataka to Bihar flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Karnataka to Bihar flights?

You could potentially save up to 6% on your flight if you consider stops on a Karnataka to Bihar flight.

Cheap Karnataka to Bihar flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Karnataka to Bihar

Best price found	₹ 6,510
Fastest flight time	2h 20m
Direct flights	Every day
Airports in Bihar	1 airport

The best one-way flight to Bihar from Karnataka in the past 72 hours is ₹ 6,510. The best return flight deal from Karnataka to Bihar found on momondo in the last 72 hours is ₹ 13,276.

The fastest flight from Karnataka to Bihar takes 2h 20m

Direct flights go from Karnataka to Bihar every day.

There is 1 airport near Bihar: Patna (PAT)

Search flight deals

When did momondo last update prices for flights from Karnataka to Bihar?
Prices for flights from Karnataka to Bihar were last updated today.
How many operators does momondo search for flights from Karnataka to Bihar?
There are 4 operators available for flights from Karnataka to Bihar as of December 2025.
How old do you have to be to fly from Karnataka to Bihar?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Karnataka to Bihar.
What documentation or ID do you need to fly to Bihar?
The required travel and health documents for your Bihar trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Bihar. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Karnataka to Bihar?
Based on momondo bookings for flights between Karnataka and Bihar, the leading plane model is Airbus A320neo, making up 37.06% of the total bookings. Other popular models include Airbus A320-100/200 with 18.15%, Boeing 737-800 Passenger/BBJ2 (winglets) with 18.02%, and Boeing 737 MAX 8 with 13.20%.

Best airlines flying from Karnataka to Bihar

Compare and see reviews for airlines that fly from Karnataka to Bihar with momondo

Airline	Rating	Free Cancellation	Price
Air India	PriceFrom ₹ 6,999	Free Cancellation	Rating 5.5 2,948 reviews	Search Air India flights
IndiGo	PriceFrom ₹ 11,498	Free Cancellation	Rating 6.8 505 reviews	Search IndiGo flights
SpiceJet	PriceFrom ₹ 11,606	Free Cancellation	Rating 4.7 85 reviews	Search SpiceJet flights
Air India Express	PriceFrom ₹ 11,779	Free Cancellation	Rating 0.0 0 reviews	Search Air India Express flights

Why use momondo?

Why should I use momondo to find a flight deal from Karnataka to Bihar?

It is quick and easy to find Karnataka to Bihar flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Bihar that suits you.

Can I find flights from Karnataka to Bihar with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Bihar from Karnataka with this policy.

How can momondo help me find flights from Karnataka to Bihar?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Bihar from Karnataka.

I’m not ready to book a flight from Karnataka to Bihar right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Karnataka to Bihar now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Bihar and let you know when they change.

An easier way to manage your Bihar trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

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Find better results for your trip to Bihar

Popular Cities in Bihar

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Cheap flights from Karnataka to Bihar from ₹ 6,473

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Karnataka to Bihar departing on 31/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

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Find the cheapest flights from Karnataka to Bihar

Cheap return flights

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Cheap last-minute flights

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Air India Express flights from Karnataka to Bihar

Our best Air India Express deals on Karnataka to Bihar flight tickets

Air India flights from Karnataka to Bihar

Our best Air India deals on Karnataka to Bihar flight tickets

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How to get the cheapest flight ticket from Karnataka to Bihar

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Bihar?

What is the cheapest day to depart on your flight to Bihar?

What is the cheapest time of day to depart on your flight to Bihar?

What is the cheapest Karnataka to Bihar flight route?

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

How far in advance should I book a flight to Bihar?

What cabin class options are available on Karnataka to Bihar flights?

There are 3 cabin classes available to choose from on Karnataka to Bihar flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Karnataka to Bihar flights?

You could potentially save up to 6% on your flight if you consider stops on a Karnataka to Bihar flight.

What is the cheapest airline that flies from Karnataka to Bihar?

Air India is the most popular carrier operating from Karnataka to Bihar

Which airlines fly to Bihar?

How many flights depart from Karnataka to Bihar on average per day?

As of December 2025, there are 13 flights per day flying from Karnataka to Bihar. The most common time of day flights depart is 08:00, with 49% of flights taking off in the afternoon.

How many flights depart from Karnataka to Bihar on average per week?

The number of flights available between Karnataka and Bihar is 94 per week as of December 2025. The most frequent departure day is Mon, with 16% of weekly flights leaving on this day.

Cheap Karnataka to Bihar flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Karnataka to Bihar

Best price found

Fastest flight time

Direct flights

Airports in Bihar

When did momondo last update prices for flights from Karnataka to Bihar?

How many operators does momondo search for flights from Karnataka to Bihar?

How old do you have to be to fly from Karnataka to Bihar?

What documentation or ID do you need to fly to Bihar?

What is the most popular plane model from Karnataka to Bihar?

Best airlines flying from Karnataka to Bihar

Compare and see reviews for airlines that fly from Karnataka to Bihar with momondo

Why use momondo?

Why should I use momondo to find a flight deal from Karnataka to Bihar?

Can I find flights from Karnataka to Bihar with flexible booking policies on momondo?

How can momondo help me find flights from Karnataka to Bihar?

I’m not ready to book a flight from Karnataka to Bihar right now. Can momondo alert me if prices change?

An easier way to manage your Bihar trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Bihar

Popular Cities in Bihar

Popular flights according to clicks in the last 7 days on momondo