What is the cheapest airline that flies from Chicago to Patna?

British Airways is the most popular carrier operating from Chicago to Patna

When did momondo last update prices for flights from Chicago to Patna Airport?

Prices for flights from Chicago to Patna Airport refresh daily.

How many operators does momondo search for flights from Chicago to Patna Airport?

As of November 2026, there is 1 operator available to choose from for flights from Chicago to Patna Airport.

How old do you have to be to fly from Chicago to Patna Airport?

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 Chicago to Patna Airport.

What documentation or ID do you need to fly to Patna Airport?

The travel and health documents required for your trip to Patna Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Patna Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$822 Cheap Flights from Chicago to Patna in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Chicago to Patna

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:50 pm - 8:05 pmORD Chicago O'Hare Intl-PAT Patna

37h 45m2 stops Doha Hamad Intl Bengaluru Intl

12:50 pm - 2:30 pmPAT Patna-ORD Chicago O'Hare Intl

37h 10m3 stops Hyderabad Rajiv Gandhi Intl Bengaluru Intl Doha Hamad Intl

$1,464Multiple Airlines

Sun, Nov 29 - Sat, Dec 5

6:50 pm - 8:05 pmORD Chicago O'Hare Intl-PAT Patna

37h 45m2 stops Doha Hamad Intl Bengaluru Intl

8:40 pm - 2:30 pmPAT Patna-ORD Chicago O'Hare Intl

29h 20m2 stops Bengaluru Intl Doha Hamad Intl

$1,476Multiple Airlines

Sun, Nov 29 - Sat, Dec 5

8:10 pm - 3:10 pmORD Chicago O'Hare Intl-PAT Patna

31h 30m3 stops Lisbon Humberto Delgado Rome Fiumicino New Delhi Indira Gandhi Intl

2:35 pm - 2:30 pmPAT Patna-ORD Chicago O'Hare Intl

35h 25m3 stops Chennai Bengaluru Intl Doha Hamad Intl

$1,481Multiple Airlines

Sun, Nov 29 - Sat, Dec 5

6:50 pm - 11:40 amORD Chicago O'Hare Intl-PAT Patna

29h 20m3 stops Zurich Dubai Intl New Delhi Indira Gandhi Intl

8:40 pm - 2:30 pmPAT Patna-ORD Chicago O'Hare Intl

29h 20m2 stops Bengaluru Intl Doha Hamad Intl

$2,295Multiple Airlines

Tue, Dec 15 - Tue, Dec 22

9:50 pm - 4:10 pmORD Chicago O'Hare Intl-PAT Patna

30h 50m2 stops London Heathrow New Delhi Indira Gandhi Intl

3:40 pm - 6:45 pmPAT Patna-ORD Chicago O'Hare Intl

38h 35m2 stops New Delhi Indira Gandhi Intl London Heathrow

$2,334British Airways

Tue, Dec 15 - Tue, Dec 22

9:50 pm - 12:40 pmORD Chicago O'Hare Intl-PAT Patna

51h 20m2 stops London Heathrow New Delhi Indira Gandhi Intl

8:25 pm - 6:45 pmPAT Patna-ORD Chicago O'Hare Intl

33h 50m2 stops New Delhi Indira Gandhi Intl London Heathrow

$2,339British Airways

Sat, Nov 14 - Wed, Nov 25

6:50 pm - 11:40 amORD Chicago O'Hare Intl-PAT Patna

29h 20m3 stops Zurich Dubai Intl New Delhi Indira Gandhi Intl

2:35 pm - 7:35 amPAT Patna-ORD Chicago O'Hare Intl

28h 30m3 stops Chennai Bengaluru Intl Abu Dhabi Zayed Intl

$2,375Multiple Airlines

Tue, Dec 15 - Tue, Dec 22

6:50 pm - 8:05 pmORD Chicago O'Hare Intl-PAT Patna

37h 45m2 stops Doha Hamad Intl Bengaluru Intl

6:10 pm - 2:30 pmPAT Patna-ORD Chicago O'Hare Intl

31h 50m3 stops Hyderabad Rajiv Gandhi Intl Bengaluru Intl Doha Hamad Intl

$2,472Multiple Airlines

Thu, Dec 24 - Tue, Jan 5

6:50 pm - 8:05 pmORD Chicago O'Hare Intl-PAT Patna

37h 45m2 stops Doha Hamad Intl Bengaluru Intl

8:40 pm - 2:30 pmPAT Patna-ORD Chicago O'Hare Intl

29h 20m2 stops Bengaluru Intl Doha Hamad Intl

$2,497Multiple Airlines

Thu, Dec 24 - Tue, Jan 5

9:50 pm - 12:40 pmORD Chicago O'Hare Intl-PAT Patna

51h 20m2 stops London Heathrow New Delhi Indira Gandhi Intl

8:25 pm - 3:30 pmPAT Patna-ORD Chicago O'Hare Intl

30h 35m2 stops New Delhi Indira Gandhi Intl London Heathrow

$2,564British Airways

Sat, Nov 14 - Tue, Nov 24

Cheap last minute flights

Enter your travel dates to find the best prices.

6:00 pm - 6:20 pmORD Chicago O'Hare Intl-PAT Patna

36h 50m2 stops Munich Franz Josef Strauss Bengaluru Intl

12:50 pm - 2:10 pmPAT Patna-ORD Chicago O'Hare Intl

36h 50m3 stops Hyderabad Rajiv Gandhi Intl Bengaluru Intl Munich Franz Josef Strauss

$1,447Multiple Airlines

Mon, Nov 9 - Tue, Nov 24

6:00 pm - 6:20 pmORD Chicago O'Hare Intl-PAT Patna

36h 50m2 stops Munich Franz Josef Strauss Bengaluru Intl

5:50 pm - 2:10 pmPAT Patna-ORD Chicago O'Hare Intl

31h 50m2 stops Bengaluru Intl Munich Franz Josef Strauss

$1,453Multiple Airlines

Mon, Nov 9 - Tue, Nov 24

6:00 pm - 5:35 pmORD Chicago O'Hare Intl-PAT Patna

36h 05m3 stops Munich Franz Josef Strauss Bengaluru Intl Hyderabad Rajiv Gandhi Intl

12:50 pm - 2:10 pmPAT Patna-ORD Chicago O'Hare Intl

36h 50m3 stops Hyderabad Rajiv Gandhi Intl Bengaluru Intl Munich Franz Josef Strauss

$1,454Multiple Airlines

Mon, Nov 9 - Tue, Nov 24

6:35 pm - 4:10 pmORD Chicago O'Hare Intl-PAT Patna

34h 05m2 stops London Heathrow New Delhi Indira Gandhi Intl

8:25 pm - 6:45 pmPAT Patna-ORD Chicago O'Hare Intl

33h 50m2 stops New Delhi Indira Gandhi Intl London Heathrow

$2,304British Airways

Mon, Nov 9 - Wed, Nov 25

9:50 pm - 4:10 pmORD Chicago O'Hare Intl-PAT Patna

54h 50m2 stops London Heathrow New Delhi Indira Gandhi Intl

10:05 pm - 6:45 pmPAT Patna-ORD Chicago O'Hare Intl

32h 10m2 stops New Delhi Indira Gandhi Intl London Heathrow

$2,416British Airways

Sun, Nov 8 - Wed, Nov 25

5:10 pm - 4:10 pmORD Chicago O'Hare Intl-PAT Patna

35h 30m2 stops London Heathrow New Delhi Indira Gandhi Intl

5:40 pm - 6:45 pmPAT Patna-ORD Chicago O'Hare Intl

36h 35m2 stops New Delhi Indira Gandhi Intl London Heathrow

$2,529British Airways

Mon, Nov 9 - Mon, Nov 23

6:35 pm - 4:10 pmORD Chicago O'Hare Intl-PAT Patna

34h 05m2 stops London Heathrow New Delhi Indira Gandhi Intl

8:25 pm - 6:45 pmPAT Patna-ORD Chicago O'Hare Intl

33h 50m2 stops New Delhi Indira Gandhi Intl London Heathrow

$2,529British Airways

Mon, Nov 9 - Tue, Nov 24

6:35 pm - 9:25 amORD Chicago O'Hare Intl-PAT Patna

27h 20m2 stops London Heathrow New Delhi Indira Gandhi Intl

8:25 pm - 6:45 pmPAT Patna-ORD Chicago O'Hare Intl

33h 50m2 stops New Delhi Indira Gandhi Intl London Heathrow

$2,529British Airways

Mon, Nov 9 - Sun, Nov 22

6:35 pm - 9:25 amORD Chicago O'Hare Intl-PAT Patna

27h 20m2 stops London Heathrow New Delhi Indira Gandhi Intl

10:05 pm - 6:45 pmPAT Patna-ORD Chicago O'Hare Intl

32h 10m2 stops New Delhi Indira Gandhi Intl London Heathrow

$2,594British Airways

Mon, Nov 9 - Thu, Nov 26

9:50 pm - 9:25 amORD Chicago O'Hare Intl-PAT Patna

48h 05m2 stops London Heathrow New Delhi Indira Gandhi Intl

5:40 pm - 6:45 pmPAT Patna-ORD Chicago O'Hare Intl

36h 35m2 stops New Delhi Indira Gandhi Intl London Heathrow

$2,641British Airways

Sun, Nov 8 - Mon, Nov 23

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

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

Price Alerts

Not ready to book? to track prices.

Search flight deals

British Airways flights from Chicago to Patna

Our best British Airways deals on Chicago to Patna flight tickets

British Airways

Nov 9

ORD6:35 pmChicago O'Hare Intl

34h 05m

2 stops

PAT4:10 pmPatna

Nov 25

PAT8:25 pmPatna

33h 50m

2 stops

ORD6:45 pmChicago O'Hare Intl

$2,304

British Airways

Dec 15

ORD9:50 pmChicago O'Hare Intl

30h 50m

2 stops

PAT4:10 pmPatna

Dec 22

PAT3:40 pmPatna

38h 35m

2 stops

ORD6:45 pmChicago O'Hare Intl

$2,334

British Airways

Nov 14

ORD9:50 pmChicago O'Hare Intl

51h 20m

2 stops

PAT12:40 pmPatna

Nov 25

PAT8:25 pmPatna

33h 50m

2 stops

ORD6:45 pmChicago O'Hare Intl

$2,339

Air France flights from Chicago to Patna

Our best Air France deals on Chicago to Patna flight tickets

Air France

Nov 11

ORD6:25 pmChicago O'Hare Intl

26h 05m

2 stops

PAT8:00 amPatna

Nov 26

PAT10:05 pmPatna

29h 40m

2 stops

ORD4:15 pmChicago O'Hare Intl

$2,630

Air France

Dec 24

ORD6:45 pmChicago O'Hare Intl

30h 25m

2 stops

PAT12:40 pmPatna

Jan 4

PAT8:25 pmPatna

31h 20m

2 stops

ORD4:15 pmChicago O'Hare Intl

$2,984

Air France

Dec 25

ORD6:45 pmChicago O'Hare Intl

30h 25m

2 stops

PAT12:40 pmPatna

Jan 4

PAT8:25 pmPatna

31h 20m

2 stops

ORD4:15 pmChicago O'Hare Intl

$3,058

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoPatna

ORD Chicago O'Hare Intl - PAT Patna

ORDPAT

Chicago O'Hare Intl

Sun 11/29

6:50 pm-8:05 pm

2 stops37h 45m

Patna

Sat 12/5

12:50 pm-2:30 pm

3 stops37h 10m

$1,464

ChicagoPatna

ORD Chicago O'Hare Intl - PAT Patna

ORDPAT

Chicago O'Hare Intl

Sun 11/29

6:50 pm-8:05 pm

2 stops37h 45m

Patna

Sat 12/5

8:40 pm-2:30 pm

2 stops29h 20m

$1,476

ChicagoPatna

ORD Chicago O'Hare Intl - PAT Patna

ORDPAT

Chicago O'Hare Intl

Sun 11/29

8:10 pm-3:10 pm

3 stops31h 30m

Patna

Sat 12/5

2:35 pm-2:30 pm

3 stops35h 25m

$1,481

ChicagoPatna

ORD Chicago O'Hare Intl - PAT Patna

ORDPAT

Chicago O'Hare Intl

Tue 12/15

6:50 pm-11:40 am

3 stops29h 20m

Patna

Tue 12/22

8:40 pm-2:30 pm

2 stops29h 20m

$2,295

ChicagoPatna

ORD Chicago O'Hare Intl - PAT Patna

ORDPAT

Chicago O'Hare Intl

Tue 12/15

9:50 pm-4:10 pm

2 stops30h 50m

Patna

Tue 12/22

3:40 pm-6:45 pm

2 stops38h 35m

$2,334

ChicagoPatna

ORD Chicago O'Hare Intl - PAT Patna

ORDPAT

Chicago O'Hare Intl

Sat 11/14

9:50 pm-12:40 pm

2 stops51h 20m

Patna

Wed 11/25

8:25 pm-6:45 pm

2 stops33h 50m

$2,339

Quickest round-trip

ChicagoPatna

ORD Chicago O'Hare Intl - PAT Patna

ORDPAT

Chicago O'Hare Intl

Tue 12/15

6:50 pm-11:40 am

3 stops29h 20m

Patna

Tue 12/22

2:35 pm-7:35 am

3 stops28h 30m

$2,375

ChicagoPatna

ORD Chicago O'Hare Intl - PAT Patna

ORDPAT

Chicago O'Hare Intl

Thu 12/24

6:50 pm-8:05 pm

2 stops37h 45m

Patna

Tue 1/5

6:10 pm-2:30 pm

3 stops31h 50m

$2,472

ChicagoPatna

ORD Chicago O'Hare Intl - PAT Patna

ORDPAT

Chicago O'Hare Intl

Thu 12/24

6:50 pm-8:05 pm

2 stops37h 45m

Patna

Tue 1/5

8:40 pm-2:30 pm

2 stops29h 20m

$2,497

ChicagoPatna

ORD Chicago O'Hare Intl - PAT Patna

ORDPAT

Chicago O'Hare Intl

Sat 11/14

9:50 pm-12:40 pm

2 stops51h 20m

Patna

Tue 11/24

8:25 pm-3:30 pm

2 stops30h 35m

$2,564

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first

How to get the cheapest flight ticket from Chicago to Patna

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

Can stopping save me money on Chicago to Patna flights?

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

When to book flights from Chicago to Patna

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago to Patna according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Chicago to Patna (CHI to PAT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago to Patna

Best Price Found	$822
Fastest flight time	36h 50m
Direct flights	None

The best one-way flight to Patna from Chicago in the past 72 hours is $822. The best round-trip flight deal from Chicago to Patna found on momondo in the last 72 hours is $1,464.

The fastest flight from Chicago to Patna takes 36h 50m

There are no direct flights from Chicago to Patna. There are no popular flight routes from Chicago to Patna.

Search flight deals

Frequently asked questions about flying from Chicago to Patna

How far is Chicago to Patna by plane?
The distance between Chicago and Patna is about 7745.1 mi. By plane, this route typically takes 36h 50m.
When did momondo last update prices for flights from Chicago to Patna Airport?
Prices for flights from Chicago to Patna Airport refresh daily.
How many operators does momondo search for flights from Chicago to Patna Airport?
As of November 2026, there is 1 operator available to choose from for flights from Chicago to Patna Airport.
How old do you have to be to fly from Chicago to Patna Airport?
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 Chicago to Patna Airport.
What documentation or ID do you need to fly to Patna Airport?
The travel and health documents required for your trip to Patna Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Patna Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Chicago to Patna?
momondo data reveals that the most frequently booked airline on the route from Chicago to Patna is Air India, representing 100% of all bookings.

Best airlines flying from Chicago to Patna

Compare and see reviews for airlines that fly from Chicago to Patna with momondo

Airline	Rating	Free Cancellation	Price
Air India	PriceFrom $738	Free Cancellation	Rating 5.5 2,902 reviews		Search Air India flights

Why use momondo?

Why should I use momondo to find a flight deal from Chicago to Patna?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Patna from Chicago.

Can I find flights from Chicago to Patna with flexible booking policies on momondo?

All flight searches from Chicago to Patna on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Chicago to Patna?

momondo provides multiple filters to help you find the best flight to Patna from Chicago. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Price alerts on flights to Patna from Chicago are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Patna trip

We make it super easy to schedule, organize 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

Thu 12/3

Thu 12/10

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to India

Nearby airports

Airlines

Cabin classes

Other India destinations

Other flights from Chicago

Complete your trip

Feeling lucky

Airports servicing Bihar

Gaya Airport

Cheap flights from Chicago to Patna from $822

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to Patna departing on 11/30. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Chicago to Patna

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

British Airways flights from Chicago to Patna

Our best British Airways deals on Chicago to Patna flight tickets

Air France flights from Chicago to Patna

Our best Air France deals on Chicago to Patna flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Chicago to Patna that are best for you.

See travel insights to Patna from

How to get the cheapest flight ticket from Chicago to Patna

Can stopping save me money on Chicago to Patna flights?

What is the cheapest airline that flies from Chicago to Patna?

When to book flights from Chicago to Patna

Cheap Chicago to Patna (CHI to PAT) flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Chicago to Patna

Best airlines flying from Chicago to Patna

Compare and see reviews for airlines that fly from Chicago to Patna with momondo

Why use momondo?

An easier way to manage your Patna trip

We make it super easy to schedule, organize 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 India

Airports servicing Bihar

Fly your favorite airline to Patna

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Patna

List of cabin classes available on flights landing in Patna. Availability may vary depending on flight origin and airline.

Popular cities in India

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

Fly to other destinations from Chicago

According to popular flight searches on momondo this year

Complete your trip to Patna

Explore popular destinations other users love

According to popular flight searches on momondo this year