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.

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

As of December 2025, there are 14 flights per day flying from Karnataka to Bihar. The most common time of day flights depart is 08:00, with 51% 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 98 per week as of December 2025. The most frequent departure day is Mon, with 14% of weekly flights leaving on this day.

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

Air India Express and IndiGo 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 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.

₹ 6,808 Cheap Flights from Karnataka to Bihar in 2025/26

1 adult

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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.

12:40 - 20:25

BLR

PAT

7h 45m1 stop

18:35 - 23:35

PAT

BLR

5h 00m1 stop

₹ 14,242IndiGo

Tue, 3 Feb - Tue, 10 Feb

08:55 - 12:00

BLR

PAT

3h 05mdirect

12:30 - 15:20

PAT

BLR

2h 50mdirect

₹ 14,332SpiceJet

Mon, 12 Jan - Fri, 23 Jan

08:55 - 12:00

BLR

PAT

3h 05mdirect

12:30 - 15:20

PAT

BLR

2h 50mdirect

₹ 14,421SpiceJet

Wed, 7 Jan - Sun, 25 Jan

17:45 - 20:05

BLR

PAT

2h 20mdirect

12:30 - 15:20

PAT

BLR

2h 50mdirect

₹ 14,511Multiple Airlines

Tue, 20 Jan - Tue, 27 Jan

08:55 - 12:00

BLR

PAT

3h 05mdirect

12:30 - 15:20

PAT

BLR

2h 50mdirect

₹ 14,600SpiceJet

Wed, 7 Jan - Sat, 10 Jan

06:05 - 19:55

BLR

PAT

13h 50m1 stop

20:20 - 23:10

PAT

BLR

2h 50mdirect

₹ 14,690Air India Express

Fri, 16 Jan - Fri, 23 Jan

12:40 - 18:00

BLR

PAT

5h 20m1 stop

20:45 - 23:25

PAT

BLR

2h 40mdirect

₹ 14,780IndiGo

Sat, 7 Feb - Sat, 7 Feb

08:55 - 12:00

BLR

PAT

3h 05mdirect

21:05 - 08:35

PAT

BLR

11h 30m1 stop

₹ 14,869Multiple Airlines

Sun, 18 Jan - Sun, 25 Jan

06:05 - 19:55

BLR

PAT

13h 50m1 stop

13:00 - 20:25

PAT

BLR

7h 25m1 stop

₹ 14,959Multiple Airlines

Wed, 7 Jan - Sun, 25 Jan

08:25 - 10:55

BLR

PAT

2h 30mdirect

13:00 - 21:45

PAT

BLR

8h 45m1 stop

₹ 15,048IndiGo

Sun, 18 Jan - Sun, 25 Jan

IndiGo flights from Karnataka to Bihar

Our best IndiGo deals on Karnataka to Bihar flight tickets

IndiGo

3 Feb

BLR12:40Bengaluru Intl

7h 45m

1 stop

PAT20:25Patna

10 Feb

PAT18:35Patna

5h 00m

1 stop

BLR23:35Bengaluru Intl

₹ 14,242

Find similar

IndiGo

7 Feb

BLR12:40Bengaluru Intl

5h 20m

1 stop

PAT18:00Patna

7 Feb

PAT20:45Patna

2h 40m

BLR23:25Bengaluru Intl

₹ 14,780

Find similar

IndiGo

18 Jan

BLR08:25Bengaluru Intl

2h 30m

PAT10:55Patna

25 Jan

PAT13:00Patna

8h 45m

1 stop

BLR21:45Bengaluru Intl

₹ 15,048

Find similar

SpiceJet flights from Karnataka to Bihar

Our best SpiceJet deals on Karnataka to Bihar flight tickets

SpiceJet

12 Jan

BLR08:55Bengaluru Intl

3h 05m

PAT12:00Patna

23 Jan

PAT12:30Patna

2h 50m

BLR15:20Bengaluru Intl

₹ 14,332

Find similar

SpiceJet

7 Jan

BLR08:55Bengaluru Intl

3h 05m

PAT12:00Patna

25 Jan

PAT12:30Patna

2h 50m

BLR15:20Bengaluru Intl

₹ 14,421

Find similar

SpiceJet

7 Jan

BLR08:55Bengaluru Intl

3h 05m

PAT12:00Patna

10 Jan

PAT12:30Patna

2h 50m

BLR15:20Bengaluru Intl

₹ 14,600

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BengaluruPatna

BLR - PAT

BLRPAT

Bengaluru Intl

Tue 3/2

12:40-20:25

1 stop7h 45m

Patna

Tue 10/2

18:35-23:35

1 stop5h 00m

₹ 14,242

BengaluruPatna

BLR - PAT

BLRPAT

Bengaluru Intl

Mon 12/1

08:55-12:00

Nonstop3h 05m

Patna

Fri 23/1

12:30-15:20

Nonstop2h 50m

₹ 14,332

BengaluruPatna

BLR - PAT

BLRPAT

Bengaluru Intl

Wed 7/1

08:55-12:00

Nonstop3h 05m

Patna

Sun 25/1

12:30-15:20

Nonstop2h 50m

₹ 14,421

BengaluruPatna

BLR - PAT

BLRPAT

Bengaluru Intl

Tue 20/1

17:45-20:05

Nonstop2h 20m

Patna

Tue 27/1

12:30-15:20

Nonstop2h 50m

₹ 14,511

BengaluruPatna

BLR - PAT

BLRPAT

Bengaluru Intl

Wed 7/1

08:55-12:00

Nonstop3h 05m

Patna

Sat 10/1

12:30-15:20

Nonstop2h 50m

₹ 14,600

BengaluruPatna

BLR - PAT

BLRPAT

Bengaluru Intl

Fri 16/1

06:05-19:55

1 stop13h 50m

Patna

Fri 23/1

20:20-23:10

Nonstop2h 50m

₹ 14,690

BengaluruPatna

BLR - PAT

BLRPAT

Bengaluru Intl

Sat 7/2

12:40-18:00

1 stop5h 20m

Patna

Sat 7/2

20:45-23:25

Nonstop2h 40m

₹ 14,780

BengaluruPatna

BLR - PAT

BLRPAT

Bengaluru Intl

Sun 18/1

08:55-12:00

Nonstop3h 05m

Patna

Sun 25/1

21:05-08:35

1 stop11h 30m

₹ 14,869

BengaluruPatna

BLR - PAT

BLRPAT

Bengaluru Intl

Wed 7/1

06:05-19:55

1 stop13h 50m

Patna

Sun 25/1

13:00-20:25

1 stop7h 25m

₹ 14,959

BengaluruPatna

BLR - PAT

BLRPAT

Bengaluru Intl

Sun 18/1

08:25-10:55

Nonstop2h 30m

Patna

Sun 25/1

13:00-21:45

1 stop8h 45m

₹ 15,048

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 ₹ 12,899, 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 ₹ 13,346.

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 ₹ 13,682. 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 ₹ 15,315.

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 ₹ 14,169. In the afternoon is when there is more demand to fly to Bihar, so prices are often more expensive at around ₹ 16,309 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 ₹ 15,145 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 ₹ 11,197 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	₹ 6,920
Fastest flight time	2h 20m
Direct flights	Every day
Airports in Bihar	4 airports

The best one-way flight to Bihar from Karnataka in the past 72 hours is ₹ 6,920. The best return flight deal from Karnataka to Bihar found on momondo in the last 72 hours is ₹ 11,233.

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

Direct flights go from Karnataka to Bihar every day.

There are 4 airports in Bihar. From Karnataka there are direct flights to 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 31.78% of the total bookings. Other popular models include Boeing 737 MAX 8 with 22.29%, Boeing 737-800 Passenger/BBJ2 (winglets) with 16.47%, and Airbus A320-100/200 with 16.09%.

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 ₹ 6,973	Free Cancellation	Rating 5.5 2,954 reviews	Search Air India flights
SpiceJet	PriceFrom ₹ 11,413	Free Cancellation	Rating 4.7 85 reviews	Search SpiceJet flights
IndiGo	PriceFrom ₹ 11,473	Free Cancellation	Rating 6.8 510 reviews	Search IndiGo flights
Air India Express	PriceFrom ₹ 11,737	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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Flights to Srinagarfrom ₹ 4,837

Flights to Kochifrom ₹ 6,449

Cheap flights from Karnataka to Bihar from ₹ 6,808

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 29/12. 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

IndiGo flights from Karnataka to Bihar

Our best IndiGo deals on Karnataka to Bihar flight tickets

SpiceJet flights from Karnataka to Bihar

Our best SpiceJet deals on Karnataka to Bihar flight tickets

momondo Fare Finder

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

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?

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?

Air India Express and IndiGo 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 December 2025, there are 14 flights per day flying from Karnataka to Bihar. The most common time of day flights depart is 08:00, with 51% 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 98 per week as of December 2025. The most frequent departure day is Mon, with 14% 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