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 August 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.

$737 Cheap Flights from Chicago to Patna in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Chicago to Patna

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:25 pm - 2:50 pmORD Chicago O'Hare Intl-PAT Patna

31h 55m2 stops Abu Dhabi Zayed Intl New Delhi Indira Gandhi Intl

7:10 pm - 3:40 pmPAT Patna-ORD Chicago O'Hare Intl

31h 00m2 stops New Delhi Indira Gandhi Intl Abu Dhabi Zayed Intl

$1,073Multiple Airlines

Sun, Sep 20 - Sun, Sep 27

2:00 pm - 9:40 amORD Chicago O'Hare Intl-PAT Patna

33h 10m3 stops Abu Dhabi Zayed Intl Hyderabad Rajiv Gandhi Intl New Delhi Indira Gandhi Intl

3:10 pm - 3:40 pmPAT Patna-ORD Chicago O'Hare Intl

35h 00m3 stops Lucknow Amausi New Delhi Indira Gandhi Intl Abu Dhabi Zayed Intl

$1,074Multiple Airlines

Sun, Sep 20 - Sun, Sep 27

2:00 pm - 7:45 amORD Chicago O'Hare Intl-PAT Patna

31h 15m3 stops Abu Dhabi Zayed Intl Mumbai Chhatrapati Shivaji Intl Hyderabad Rajiv Gandhi Intl

9:35 pm - 3:40 pmPAT Patna-ORD Chicago O'Hare Intl

28h 35m2 stops Bengaluru Intl Abu Dhabi Zayed Intl

$1,075Multiple Airlines

Sun, Sep 20 - Sun, Sep 27

2:00 pm - 6:30 pmORD Chicago O'Hare Intl-PAT Patna

42h 00m2 stops Abu Dhabi Zayed Intl New Delhi Indira Gandhi Intl

3:20 pm - 8:35 amPAT Patna-ORD Chicago O'Hare Intl

27h 45m2 stops New Delhi Indira Gandhi Intl Abu Dhabi Zayed Intl

$1,142Multiple Airlines

Tue, Oct 6 - Tue, Oct 13

8:25 pm - 5:45 pmORD Chicago O'Hare Intl-PAT Patna

34h 50m3 stops Abu Dhabi Zayed Intl New Delhi Indira Gandhi Intl Lucknow Amausi

10:30 am - 8:35 amPAT Patna-ORD Chicago O'Hare Intl

32h 35m2 stops New Delhi Indira Gandhi Intl Abu Dhabi Zayed Intl

$1,151Multiple Airlines

Tue, Oct 6 - Tue, Oct 13

2:00 pm - 7:55 amORD Chicago O'Hare Intl-PAT Patna

31h 25m2 stops Abu Dhabi Zayed Intl New Delhi Indira Gandhi Intl

3:50 pm - 8:35 amPAT Patna-ORD Chicago O'Hare Intl

27h 15m2 stops New Delhi Indira Gandhi Intl Abu Dhabi Zayed Intl

$1,155Multiple Airlines

Tue, Oct 6 - Tue, Oct 13

8:25 pm - 5:45 pmORD Chicago O'Hare Intl-PAT Patna

34h 50m3 stops Abu Dhabi Zayed Intl New Delhi Indira Gandhi Intl Lucknow Amausi

3:50 pm - 8:35 amPAT Patna-ORD Chicago O'Hare Intl

27h 15m2 stops New Delhi Indira Gandhi Intl Abu Dhabi Zayed Intl

$1,160Multiple Airlines

Tue, Oct 6 - Tue, Oct 13

2:00 pm - 7:45 amORD Chicago O'Hare Intl-PAT Patna

31h 15m3 stops Abu Dhabi Zayed Intl Bengaluru Intl Hyderabad Rajiv Gandhi Intl

11:05 am - 8:35 amPAT Patna-ORD Chicago O'Hare Intl

32h 00m3 stops Hyderabad Rajiv Gandhi Intl Bengaluru Intl Abu Dhabi Zayed Intl

$1,181Multiple Airlines

Tue, Oct 6 - Tue, Oct 13

6:50 pm - 6:30 pmORD Chicago O'Hare Intl-PAT Patna

36h 10m2 stops Doha Hamad Intl New Delhi Indira Gandhi Intl

3:30 pm - 2:30 pmPAT Patna-ORD Chicago O'Hare Intl

34h 30m2 stops New Delhi Indira Gandhi Intl Doha Hamad Intl

$1,276Multiple Airlines

Thu, Feb 18 - Fri, Feb 26

10:25 pm - 12:45 pmORD Chicago O'Hare Intl-PAT Patna

27h 50m2 stops London Heathrow New Delhi Indira Gandhi Intl

3:50 pm - 5:15 pmPAT Patna-ORD Chicago O'Hare Intl

35h 55m2 stops New Delhi Indira Gandhi Intl London Heathrow

$1,436British Airways

Wed, Sep 23 - Sun, Sep 27

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British Airways flights from Chicago to Patna

Our best British Airways deals on Chicago to Patna flight tickets

British Airways

Sep 23

ORD10:25 pmChicago O'Hare Intl

27h 50m

2 stops

PAT12:45 pmPatna

Sep 27

PAT3:50 pmPatna

35h 55m

2 stops

ORD5:15 pmChicago O'Hare Intl

$1,436

British Airways

Sep 23

ORD10:25 pmChicago O'Hare Intl

27h 50m

2 stops

PAT12:45 pmPatna

Sep 27

PAT3:50 pmPatna

35h 55m

2 stops

ORD5:15 pmChicago O'Hare Intl

$1,437

British Airways

Sep 26

ORD10:25 pmChicago O'Hare Intl

30h 20m

2 stops

PAT3:15 pmPatna

Sep 30

PAT3:50 pmPatna

33h 35m

2 stops

ORD2:55 pmChicago O'Hare Intl

$1,471

Malaysia Airlines flights from Chicago to Patna

Our best Malaysia Airlines deals on Chicago to Patna flight tickets

Malaysia Airlines

Feb 18

ORD6:50 pmChicago O'Hare Intl

49h 40m

3 stops

PAT8:00 amPatna

Feb 26

PAT8:35 amPatna

40h 35m

3 stops

ORD1:40 pmChicago O'Hare Intl

$2,747

Malaysia Airlines

Oct 6

ORD6:05 pmChicago O'Hare Intl

37h 25m

3 stops

PAT6:00 pmPatna

Oct 13

PAT8:20 amPatna

33h 30m

3 stops

ORD7:20 amChicago O'Hare Intl

$3,796

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 9/20

8:25 pm-2:50 pm

2 stops31h 55m

Patna

Sun 9/27

7:10 pm-3:40 pm

2 stops31h 00m

$1,073

ChicagoPatna

ORD Chicago O'Hare Intl - PAT Patna

ORDPAT

Chicago O'Hare Intl

Sun 9/20

2:00 pm-9:40 am

3 stops33h 10m

Patna

Sun 9/27

3:10 pm-3:40 pm

3 stops35h 00m

$1,074

ChicagoPatna

ORD Chicago O'Hare Intl - PAT Patna

ORDPAT

Chicago O'Hare Intl

Sun 9/20

2:00 pm-7:45 am

3 stops31h 15m

Patna

Sun 9/27

9:35 pm-3:40 pm

2 stops28h 35m

$1,075

ChicagoPatna

ORD Chicago O'Hare Intl - PAT Patna

ORDPAT

Chicago O'Hare Intl

Tue 10/6

2:00 pm-6:30 pm

2 stops42h 00m

Patna

Tue 10/13

3:20 pm-8:35 am

2 stops27h 45m

$1,142

ChicagoPatna

ORD Chicago O'Hare Intl - PAT Patna

ORDPAT

Chicago O'Hare Intl

Tue 10/6

8:25 pm-5:45 pm

3 stops34h 50m

Patna

Tue 10/13

10:30 am-8:35 am

2 stops32h 35m

$1,151

Quickest round-trip

ChicagoPatna

ORD Chicago O'Hare Intl - PAT Patna

ORDPAT

Chicago O'Hare Intl

Tue 10/6

2:00 pm-7:55 am

2 stops31h 25m

Patna

Tue 10/13

3:50 pm-8:35 am

2 stops27h 15m

$1,155

ChicagoPatna

ORD Chicago O'Hare Intl - PAT Patna

ORDPAT

Chicago O'Hare Intl

Tue 10/6

8:25 pm-5:45 pm

3 stops34h 50m

Patna

Tue 10/13

3:50 pm-8:35 am

2 stops27h 15m

$1,160

ChicagoPatna

ORD Chicago O'Hare Intl - PAT Patna

ORDPAT

Chicago O'Hare Intl

Tue 10/6

2:00 pm-7:45 am

3 stops31h 15m

Patna

Tue 10/13

11:05 am-8:35 am

3 stops32h 00m

$1,181

ChicagoPatna

ORD Chicago O'Hare Intl - PAT Patna

ORDPAT

Chicago O'Hare Intl

Thu 2/18

6:50 pm-6:30 pm

2 stops36h 10m

Patna

Fri 2/26

3:30 pm-2:30 pm

2 stops34h 30m

$1,276

ChicagoPatna

ORD Chicago O'Hare Intl - PAT Patna

ORDPAT

Chicago O'Hare Intl

Wed 9/23

10:25 pm-12:45 pm

2 stops27h 50m

Patna

Sun 9/27

3:50 pm-5:15 pm

2 stops35h 55m

$1,436

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 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

Can stopping save me money on Chicago to Patna flights?

You could potentially save up to 22% 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	$737
Fastest flight time	31h 55m
Direct flights	None

The best one-way flight to Patna from Chicago in the past 72 hours is $737. The best round-trip flight deal from Chicago to Patna found on momondo in the last 72 hours is $1,073.

The fastest flight from Chicago to Patna takes 31h 55m

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 31h 55m.
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 August 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 2,941 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

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Cheap flights from Chicago to Patna from $737

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 12/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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British Airways flights from Chicago to Patna

Our best British Airways deals on Chicago to Patna flight tickets

Malaysia Airlines flights from Chicago to Patna

Our best Malaysia Airlines deals on Chicago to Patna flight tickets

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How to get the cheapest flight ticket from Chicago to Patna

Can stopping save me money on Chicago to Patna flights?

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

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According to popular flight searches on momondo this year

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