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

Air India is the most popular carrier operating from Patna to Chicago

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

Prices for flights from Patna Airport to Chicago are updated daily.

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

As of December 2025, there is 1 operator available to choose from for flights from Patna Airport to Chicago.

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

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 Patna Airport to Chicago.

What documentation or ID do you need to fly to Chicago?

The required travel and health documents for your Chicago 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 Chicago. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$822 Cheap Flights from Patna to Chicago in 2025/26

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

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

Find the cheapest flights from Patna to Chicago

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:10 pm - 11:30 am

PAT

ORD

27h 50m2 stops

1:30 pm - 9:40 am

ORD

PAT

32h 40m1 stop

$822Air India

Sun, Feb 1 - Sun, Feb 8

10:35 am - 11:30 am

PAT

ORD

36h 25m1 stop

1:30 pm - 10:05 am

ORD

PAT

33h 05m1 stop

$874Air India

Sun, Feb 1 - Sun, Feb 8

8:55 pm - 11:30 am

PAT

ORD

26h 05m2 stops

1:30 pm - 8:40 am

ORD

PAT

31h 40m2 stops

$910Air India

Sun, Feb 1 - Sun, Feb 8

11:50 am - 7:35 am

PAT

ORD

31h 15m2 stops

1:10 pm - 10:35 pm

ORD

PAT

21h 55m2 stops

$934Multiple Airlines

Tue, Feb 3 - Tue, Feb 10

2:10 pm - 7:35 am

PAT

ORD

28h 55m3 stops

1:10 pm - 10:35 pm

ORD

PAT

21h 55m2 stops

$949Multiple Airlines

Tue, Feb 3 - Tue, Feb 10

9:10 am - 11:30 am

PAT

ORD

37h 50m3 stops

1:30 pm - 8:40 am

ORD

PAT

31h 40m2 stops

$975Air India

Sun, Feb 1 - Sun, Feb 8

2:10 pm - 7:35 am

PAT

ORD

28h 55m3 stops

1:10 pm - 7:55 am

ORD

PAT

31h 15m3 stops

$995Multiple Airlines

Tue, Feb 3 - Tue, Feb 10

9:10 am - 7:35 am

PAT

ORD

33h 55m3 stops

1:10 pm - 12:35 pm

ORD

PAT

35h 55m3 stops

$1,109Multiple Airlines

Sun, Feb 1 - Sun, Feb 8

7:10 pm - 11:30 am

PAT

ORD

27h 50m1 stop

6:05 am - 8:25 pm

ORD

PAT

26h 50m2 stops

$1,164Multiple Airlines

Tue, Feb 3 - Tue, Feb 10

Fly from

Fly to

Route

Depart

Return

Price

PatnaChicago

PAT - ORD

PATORD

Patna

Sun 2/1

7:10 pm-11:30 am

2 stops27h 50m

Chicago O'Hare Intl

Sun 2/8

1:30 pm-9:40 am

1 stop32h 40m

$822

PatnaChicago

PAT - ORD

PATORD

Patna

Sun 2/1

10:35 am-11:30 am

1 stop36h 25m

Chicago O'Hare Intl

Sun 2/8

1:30 pm-10:05 am

1 stop33h 05m

$874

PatnaChicago

PAT - ORD

PATORD

Patna

Sun 2/1

8:55 pm-11:30 am

2 stops26h 05m

Chicago O'Hare Intl

Sun 2/8

1:30 pm-8:40 am

2 stops31h 40m

$910

PatnaChicago

PAT - ORD

PATORD

Patna

Tue 2/3

11:50 am-7:35 am

2 stops31h 15m

Chicago O'Hare Intl

Tue 2/10

1:10 pm-10:35 pm

2 stops21h 55m

$934

PatnaChicago

PAT - ORD

PATORD

Patna

Tue 2/3

2:10 pm-7:35 am

3 stops28h 55m

Chicago O'Hare Intl

Tue 2/10

1:10 pm-10:35 pm

2 stops21h 55m

$949

PatnaChicago

PAT - ORD

PATORD

Patna

Sun 2/1

9:10 am-11:30 am

3 stops37h 50m

Chicago O'Hare Intl

Sun 2/8

1:30 pm-8:40 am

2 stops31h 40m

$975

PatnaChicago

PAT - ORD

PATORD

Patna

Tue 2/3

2:10 pm-7:35 am

3 stops28h 55m

Chicago O'Hare Intl

Tue 2/10

1:10 pm-7:55 am

3 stops31h 15m

$995

PatnaChicago

PAT - ORD

PATORD

Patna

Sun 2/1

9:10 am-7:35 am

3 stops33h 55m

Chicago O'Hare Intl

Sun 2/8

1:10 pm-12:35 pm

3 stops35h 55m

$1,109

PatnaChicago

PAT - ORD

PATORD

Patna

Tue 2/3

7:10 pm-11:30 am

1 stop27h 50m

Chicago O'Hare Intl

Tue 2/10

6:05 am-8:25 pm

2 stops26h 50m

$1,164

PatnaChicago

PAT - ORD

PATORD

Patna

Sun 1/4

11:10 pm-6:25 pm

3 stops54h 45m

$1,136

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 resultsSorted by cheapest first

How to get the cheapest flight ticket from Patna to Chicago

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 Patna to Chicago flights?

You could potentially save up to 45% on your flight if you consider stops on a Patna to Chicago flight.

When to book flights from Patna to Chicago

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

Estimated round-trip price

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

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

Fastest flight time	27h 50m
Direct flights	None

The fastest flight from Patna to Chicago takes 27h 50m

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

Search flight deals

How far is Patna to Chicago by plane?
Patna and Chicago are 7745.1 mi apart from one another. By plane, this route typically takes 27h 50m.
When did momondo last update prices for flights from Patna Airport to Chicago?
Prices for flights from Patna Airport to Chicago are updated daily.
How many operators does momondo search for flights from Patna Airport to Chicago?
As of December 2025, there is 1 operator available to choose from for flights from Patna Airport to Chicago.
How old do you have to be to fly from Patna Airport to Chicago?
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 Patna Airport to Chicago.
What documentation or ID do you need to fly to Chicago?
The required travel and health documents for your Chicago 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 Chicago. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Patna to Chicago?
Based on momondo bookings for flights between Patna and Chicago, the leading airline is Air India, making up 100% of the total bookings.

Best airlines flying from Patna to Chicago

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

Airline	Rating	Free Cancellation	Price
Air India	PriceFrom $1,010	Free Cancellation	Rating 5.5 2,954 reviews		Search Air India flights

Merrillville

New Buffalo

Hammond

Benton Harbor

Saint Joseph

Portage

Lansing

Valparaiso

Schererville

Crown Point

Munster

Chesterton

Monticello

Porter

Griffith

Saint John

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Patna to Chicago. momondo saves you time and could save you money on your trip.

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

momondo does allow users to show only those flights to Chicago from Patna which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search for Patna to Chicago flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes. momondo can track prices for Patna to Chicago flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.