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 52% of people opting to fly with this airline when travelling to Bihar. Keep in mind that there are 3 different airlines that fly to Bihar on a routine basis, so you have a few additional options to choose from.

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

The number of flights available between Karnataka and Bihar is 122 per week as of October 2025. The most frequent departure day is Mon, with 15% of weekly flights leaving on this day.

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

As of October 2025, there are 17 flights per day flying from Karnataka to Bihar. The most common time of day flights depart is 08:00, with 45% of flights taking off in the afternoon.

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

SpiceJet, IndiGo, and Air India are the most popular carriers operating from Karnataka to Bihar

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 3 operators available for flights from Karnataka to Bihar as of October 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.

₹ 6,208 Cheap Flights from Karnataka to Bihar in 2025/26

1 adult

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Find the cheapest flights from Karnataka to Bihar

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One-way

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Cheap return flights

Enter your travel dates to find the best prices.

09:45 - 12:20BLR-PAT

2h 35mdirect

23:25 - 02:00PAT-BLR

2h 35mdirect

₹ 12,859Multiple Airlines

Find Deal

Sun, 2 Nov - Mon, 17 Nov

09:45 - 12:20BLR-PAT

2h 35mdirect

17:55 - 20:40PAT-BLR

2h 45mdirect

₹ 12,948Multiple Airlines

Find Deal

Sat, 1 Nov - Mon, 17 Nov

09:45 - 12:20BLR-PAT

2h 35mdirect

18:10 - 20:55PAT-BLR

2h 45mdirect

₹ 13,214SpiceJet

Find Deal

Tue, 28 Oct - Thu, 13 Nov

09:45 - 12:20BLR-PAT

2h 35mdirect

12:55 - 15:40PAT-BLR

2h 45mdirect

₹ 13,391SpiceJet

Find Deal

Sun, 2 Nov - Wed, 12 Nov

12:10 - 20:25BLR-PAT

8h 15m1 stop

08:55 - 20:55PAT-BLR

12h 00m1 stop

₹ 13,568Air India

Find Deal

Tue, 4 Nov - Mon, 17 Nov

14:50 - 17:20BLR-PAT

2h 30mdirect

20:45 - 23:40PAT-BLR

2h 55mdirect

₹ 13,746IndiGo

Find Deal

Mon, 10 Nov - Mon, 17 Nov

00:30 - 08:25BLR-PAT

7h 55m1 stop

16:45 - 19:35PAT-BLR

2h 50mdirect

₹ 13,923Air India

Find Deal

Mon, 3 Nov - Mon, 17 Nov

17:45 - 20:05BLR-PAT

2h 20mdirect

11:30 - 14:10PAT-BLR

2h 40mdirect

₹ 14,278IndiGo

Find Deal

Wed, 26 Nov - Wed, 3 Dec

00:30 - 08:25BLR-PAT

7h 55m1 stop

10:35 - 00:05PAT-BLR

13h 30m1 stop

₹ 14,544Air India Express

Find Deal

Mon, 17 Nov - Tue, 18 Nov

00:30 - 08:25BLR-PAT

7h 55m1 stop

16:45 - 19:35PAT-BLR

2h 50mdirect

₹ 14,633Air India Express

Find Deal

Mon, 27 Oct - Thu, 13 Nov

SpiceJet flights from Karnataka to Bihar

Our best SpiceJet deals on Karnataka to Bihar flight tickets

SpiceJet

28 Oct

BLR09:45Bengaluru Intl

2h 35m

PAT12:20Patna

13 Nov

PAT18:10Patna

2h 45m

BLR20:55Bengaluru Intl

₹ 13,214

Find similar

SpiceJet

2 Nov

BLR09:45Bengaluru Intl

2h 35m

PAT12:20Patna

12 Nov

PAT12:55Patna

2h 45m

BLR15:40Bengaluru Intl

₹ 13,391

Find similar

SpiceJet

22 Oct

BLR19:45Bengaluru Intl

2h 45m

PAT22:30Patna

7 Nov

PAT18:10Patna

2h 45m

BLR20:55Bengaluru Intl

₹ 18,180

Find similar

Air India flights from Karnataka to Bihar

Our best Air India deals on Karnataka to Bihar flight tickets

Air India

4 Nov

BLR12:10Bengaluru Intl

8h 15m

1 stop

PAT20:25Patna

17 Nov

PAT08:55Patna

12h 00m

1 stop

BLR20:55Bengaluru Intl

₹ 13,568

Find similar

Air India

3 Nov

BLR00:30Bengaluru Intl

7h 55m

1 stop

PAT08:25Patna

17 Nov

PAT16:45Patna

2h 50m

BLR19:35Bengaluru Intl

₹ 13,923

Find similar

Air India

19 Oct

BLR21:45Bengaluru Intl

16h 50m

1 stop

PAT14:35Patna

5 Nov

PAT08:55Patna

27h 20m

1 stop

BLR12:15Bengaluru Intl

₹ 15,076

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BengaluruPatna

BLR - PAT

BLRPAT

Bengaluru Intl

Sun 2/11

09:45-12:20

Nonstop2h 35m

Patna

Mon 17/11

23:25-02:00

Nonstop2h 35m

₹ 12,859

BengaluruPatna

BLR - PAT

BLRPAT

Bengaluru Intl

Sat 1/11

09:45-12:20

Nonstop2h 35m

Patna

Mon 17/11

17:55-20:40

Nonstop2h 45m

₹ 12,948

BengaluruPatna

BLR - PAT

BLRPAT

Bengaluru Intl

Tue 28/10

09:45-12:20

Nonstop2h 35m

Patna

Thu 13/11

18:10-20:55

Nonstop2h 45m

₹ 13,214

BengaluruPatna

BLR - PAT

BLRPAT

Bengaluru Intl

Sun 2/11

09:45-12:20

Nonstop2h 35m

Patna

Wed 12/11

12:55-15:40

Nonstop2h 45m

₹ 13,391

BengaluruPatna

BLR - PAT

BLRPAT

Bengaluru Intl

Tue 4/11

12:10-20:25

1 stop8h 15m

Patna

Mon 17/11

08:55-20:55

1 stop12h 00m

₹ 13,568

BengaluruPatna

BLR - PAT

BLRPAT

Bengaluru Intl

Mon 10/11

14:50-17:20

Nonstop2h 30m

Patna

Mon 17/11

20:45-23:40

Nonstop2h 55m

₹ 13,746

BengaluruPatna

BLR - PAT

BLRPAT

Bengaluru Intl

Mon 3/11

00:30-08:25

1 stop7h 55m

Patna

Mon 17/11

16:45-19:35

Nonstop2h 50m

₹ 13,923

BengaluruPatna

BLR - PAT

BLRPAT

Bengaluru Intl

Wed 26/11

17:45-20:05

Nonstop2h 20m

Patna

Wed 3/12

11:30-14:10

Nonstop2h 40m

₹ 14,278

BengaluruPatna

BLR - PAT

BLRPAT

Bengaluru Intl

Mon 17/11

00:30-08:25

1 stop7h 55m

Patna

Tue 18/11

10:35-00:05

1 stop13h 30m

₹ 14,544

BengaluruPatna

BLR - PAT

BLRPAT

Bengaluru Intl

Mon 27/10

00:30-08:25

1 stop7h 55m

Patna

Thu 13/11

16:45-19:35

Nonstop2h 50m

₹ 14,633

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 ₹ 12,770, 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 July is also cheap. Prices for this month can be found on momondo for an average of ₹ 13,214.

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 ₹ 14,819. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to Bihar on Monday is ₹ 16,299.

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 in the evening. Our users have found flights to Bihar in the evening for as low as ₹ 14,887. In the afternoon is when there is more demand to fly to Bihar, so prices are often more expensive at around ₹ 17,016 per ticket.

What is the cheapest Karnataka to Bihar flight route?

Fly from Bengaluru Intl to Darbhanga 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 ₹ 15,402 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 ₹ 11,085 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?

No. A direct flight is the cheapest option for a flight between Karnataka to Bihar.

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	₹ 6,727
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 ₹ 6,727. The best return flight deal from Karnataka to Bihar found on momondo in the last 72 hours is ₹ 14,922.

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 3 operators available for flights from Karnataka to Bihar as of October 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 34.13% of the total bookings. Other popular models include Boeing 737-800 Passenger/BBJ2 (winglets) with 17.60%, Boeing 737 MAX 8 with 14.39%, and Airbus A320 (sharklets) with 13.67%.

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 Express	PriceFrom ₹ 11,706	Free Cancellation	Rating 0.0 0 reviews	Search Air India Express flights
IndiGo	PriceFrom ₹ 11,879	Free Cancellation	Rating 6.9 487 reviews	Search IndiGo flights
SpiceJet	PriceFrom ₹ 11,909	Free Cancellation	Rating 4.8 87 reviews	Search SpiceJet 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.

Start using Trips

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Find better results for your trip to Bihar

Popular Cities in Bihar

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Flights to Srinagarfrom ₹ 4,878

Flights to Varanasifrom ₹ 4,966

Flights to Kochifrom ₹ 4,612

Cheap flights from Karnataka to Bihar from ₹ 6,208

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 28/10. 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

Price Alerts

Find the cheapest flights from Karnataka to Bihar

Cheap return flights

Cheap one-way flights

Cheap last-minute flights

Cheap direct flights

SpiceJet flights from Karnataka to Bihar

Our best SpiceJet 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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Use the filters below to find and compare flights from Karnataka to Bihar that are best for you.

See travel insights to Bihar from

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 Darbhanga 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?

No. A direct flight is the cheapest option for a flight between Karnataka to Bihar.

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

SpiceJet, IndiGo, and Air India are the most popular carriers operating from Karnataka to Bihar

Which airlines fly to Bihar?

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

As of October 2025, there are 17 flights per day flying from Karnataka to Bihar. The most common time of day flights depart is 08:00, with 45% 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 122 per week as of October 2025. The most frequent departure day is Mon, with 15% 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