Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Karnataka to Bihar from ₹ 6,379

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 18/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Early arrival? Instantly customie your results

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Karnataka to Bihar

Cheap return flights

Enter your travel dates to find the best prices.
Air India Express Logo
01:00 - 08:25BLR-PAT
7h 25m1 stop
Air India Express Logo
08:55 - 19:45PAT-BLR
10h 50m1 stop
₹ 11,429Air India Express
Find Deal
Mon, 1 Dec - Sat, 6 Dec
Air India Express Logo
01:00 - 08:25BLR-PAT
7h 25m1 stop
Air India Express Logo
16:45 - 19:35PAT-BLR
2h 50mdirect
₹ 12,137Air India Express
Find Deal
Mon, 8 Dec - Tue, 16 Dec
Air India Express Logo
00:30 - 08:25BLR-PAT
7h 55m1 stop
Air India Express Logo
08:55 - 21:15PAT-BLR
12h 20m1 stop
₹ 12,315Air India Express
Find Deal
Wed, 3 Dec - Tue, 9 Dec
Air India Express Logo
00:30 - 08:25BLR-PAT
7h 55m1 stop
Air India Express Logo
08:55 - 19:45PAT-BLR
10h 50m1 stop
₹ 12,492Air India Express
Find Deal
Wed, 3 Dec - Wed, 10 Dec
Multiple Airlines Logo
00:30 - 08:25BLR-PAT
7h 55m1 stop
Multiple Airlines Logo
23:25 - 02:00PAT-BLR
2h 35mdirect
₹ 12,846Multiple Airlines
Find Deal
Wed, 3 Dec - Tue, 9 Dec
Multiple Airlines Logo
00:30 - 08:25BLR-PAT
7h 55m1 stop
Multiple Airlines Logo
23:25 - 02:00PAT-BLR
2h 35mdirect
₹ 12,935Multiple Airlines
Find Deal
Wed, 3 Dec - Wed, 10 Dec
Multiple Airlines Logo
00:30 - 08:25BLR-PAT
7h 55m1 stop
Multiple Airlines Logo
20:45 - 23:25PAT-BLR
2h 40mdirect
₹ 13,023Multiple Airlines
Find Deal
Fri, 5 Dec - Sun, 21 Dec
Multiple Airlines Logo
20:10 - 08:25BLR-PAT
12h 15m1 stop
Multiple Airlines Logo
18:35 - 01:10PAT-BLR
6h 35m1 stop
₹ 13,112Multiple Airlines
Find Deal
Thu, 11 Dec - Thu, 18 Dec
SpiceJet Logo
08:45 - 13:30BLR-PAT
4h 45mdirect
SpiceJet Logo
14:05 - 08:05PAT-BLR
18h 00m1 stop
₹ 13,201SpiceJet
Find Deal
Tue, 2 Dec - Sat, 6 Dec
Air India Express Logo
13:35 - 16:10BLR-PAT
2h 35mdirect
Air India Express Logo
16:45 - 19:35PAT-BLR
2h 50mdirect
₹ 13,289Air India Express
Find Deal
Tue, 9 Dec - Tue, 16 Dec

IndiGo flights from Karnataka to Bihar

Our best IndiGo deals on Karnataka to Bihar flight tickets
IndiGo
19 Nov
BLR06:45Bengaluru Intl
6h 25m
1 stop
PAT13:10Patna
17 Dec
PAT20:45Patna
2h 40m
BLR23:25Bengaluru Intl
₹ 13,732
Find similar
IndiGo
9 Dec
BLR04:55Bengaluru Intl
5h 35m
1 stop
PAT10:30Patna
10 Dec
PAT23:55Patna
10h 45m
1 stop
BLR10:40Bengaluru Intl
₹ 13,909
Find similar
IndiGo
4 Dec
BLR17:45Bengaluru Intl
2h 20m
PAT20:05Patna
10 Dec
PAT23:25Patna
2h 35m
BLR02:00Bengaluru Intl
₹ 13,998
Find similar

Air India flights from Karnataka to Bihar

Our best Air India deals on Karnataka to Bihar flight tickets
Air India
23 Nov
BLR12:30Bengaluru Intl
7h 55m
1 stop
PAT20:25Patna
28 Nov
PAT13:15Patna
6h 00m
1 stop
BLR19:15Bengaluru Intl
₹ 14,618
Find similar
Air India
18 Nov
BLR13:35Bengaluru Intl
2h 35m
PAT16:10Patna
29 Nov
PAT13:15Patna
6h 00m
1 stop
BLR19:15Bengaluru Intl
₹ 14,707
Find similar
Air India
23 Nov
BLR12:30Bengaluru Intl
7h 55m
1 stop
PAT20:25Patna
30 Nov
PAT15:30Patna
5h 30m
1 stop
BLR21:00Bengaluru Intl
₹ 15,150
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Karnataka to Bihar that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 59,053 searches. Data last updated 13 November 2025.
Use the filters below to find and compare flights from Karnataka to Bihar that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BengaluruPatna

BLR - PAT

BLRPAT

Bengaluru Intl

Mon 1/12

01:00-08:25

1 stop7h 25m

Patna

Sat 6/12

08:55-19:45

1 stop10h 50m

₹ 11,429

BengaluruPatna

BLR - PAT

BLRPAT

Bengaluru Intl

Mon 8/12

01:00-08:25

1 stop7h 25m

Patna

Tue 16/12

16:45-19:35

Nonstop2h 50m

₹ 12,137

BengaluruPatna

BLR - PAT

BLRPAT

Bengaluru Intl

Wed 3/12

00:30-08:25

1 stop7h 55m

Patna

Tue 9/12

08:55-21:15

1 stop12h 20m

₹ 12,315

BengaluruPatna

BLR - PAT

BLRPAT

Bengaluru Intl

Wed 3/12

00:30-08:25

1 stop7h 55m

Patna

Wed 10/12

08:55-19:45

1 stop10h 50m

₹ 12,492

BengaluruPatna

BLR - PAT

BLRPAT

Bengaluru Intl

Wed 3/12

00:30-08:25

1 stop7h 55m

Patna

Tue 9/12

23:25-02:00

Nonstop2h 35m

₹ 12,846

BengaluruPatna

BLR - PAT

BLRPAT

Bengaluru Intl

Wed 3/12

00:30-08:25

1 stop7h 55m

Patna

Wed 10/12

23:25-02:00

Nonstop2h 35m

₹ 12,935

BengaluruPatna

BLR - PAT

BLRPAT

Bengaluru Intl

Fri 5/12

00:30-08:25

1 stop7h 55m

Patna

Sun 21/12

20:45-23:25

Nonstop2h 40m

₹ 13,023

BengaluruPatna

BLR - PAT

BLRPAT

Bengaluru Intl

Thu 11/12

20:10-08:25

1 stop12h 15m

Patna

Thu 18/12

18:35-01:10

1 stop6h 35m

₹ 13,112

BengaluruPatna

BLR - PAT

BLRPAT

Bengaluru Intl

Tue 2/12

08:45-13:30

Nonstop4h 45m

Patna

Sat 6/12

14:05-08:05

1 stop18h 00m

₹ 13,201

BengaluruPatna

BLR - PAT

BLRPAT

Bengaluru Intl

Tue 9/12

13:35-16:10

Nonstop2h 35m

Patna

Tue 16/12

16:45-19:35

Nonstop2h 50m

₹ 13,289

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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?

The cheapest month to fly to Bihar from Karnataka is in August. Flight prices, which tend to average around ₹ 12,758, 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 ₹ 13,201.

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 ₹ 14,303. 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 ₹ 15,983.

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 ₹ 14,327. In the afternoon is when there is more demand to fly to Bihar, so prices are often more expensive at around ₹ 16,528 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 ₹ 15,120 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 ₹ 11,074 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 38% 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

₹ 7,109

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 ₹ 7,109. The best return flight deal from Karnataka to Bihar found on momondo in the last 72 hours is ₹ 13,814.
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?

  • 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?

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 IndiaPriceFrom ₹ 7,080Free CancellationRating
5.5
2,940 reviews
Search Air India flights
Air India ExpressPriceFrom ₹ 11,570Free CancellationRating
0.0
0 reviews
Search Air India Express flights
IndiGoPriceFrom ₹ 11,570Free CancellationRating
6.9
497 reviews
Search IndiGo flights
SpiceJetPriceFrom ₹ 11,751Free CancellationRating
4.8
86 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
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 13/12
Sat 20/12
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Bihar

Popular Cities in Bihar

Popular flights according to clicks in the last 7 days on momondo
Flights to New Delhifrom ₹ 3,898
Flights to Mumbaifrom ₹ 3,544
Flights to Bengalurufrom ₹ 4,164
Flights to Kolkatafrom ₹ 5,493
Flights to Hyderabadfrom ₹ 2,835
Flights to Ahmedabadfrom ₹ 5,050
Flights to Chennaifrom ₹ 4,430
Flights to Punefrom ₹ 5,759
Flights to Vasco da Gamafrom ₹ 4,253
Flights to Srinagarfrom ₹ 4,784
Flights to Varanasifrom ₹ 6,202
Flights to Kochifrom ₹ 4,518