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Cheap flights from Patna to Chicago from $448

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Patna to Chicago departing on 11/8. 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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Find the cheapest flights from Patna to Chicago

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air India Logo
1:15 pm - 7:25 amPAT-ORD
28h 40m1 stop
Air India Logo
12:00 pm - 6:30 pmORD-PAT
20h 00m1 stop
$983Air India
Find Deal
Wed, Apr 15 - Sun, Apr 19
Air India Logo
1:15 pm - 7:25 amPAT-ORD
28h 40m1 stop
Air India Logo
12:00 pm - 12:35 pmORD-PAT
38h 05m1 stop
$984Air India
Find Deal
Wed, Apr 15 - Sun, Apr 19
Air India Logo
4:10 pm - 7:25 amPAT-ORD
49h 45m2 stops
Air India Logo
12:00 pm - 6:30 pmORD-PAT
20h 00m1 stop
$989Air India
Find Deal
Wed, Apr 15 - Sun, Apr 19
Air France Logo
8:25 pm - 3:00 pmPAT-ORD
29h 05m2 stops
Air France Logo
5:10 pm - 7:55 amORD-PAT
28h 15m2 stops
$1,250Air France
Find Deal
Wed, Apr 15 - Sun, Apr 19
Air France Logo
8:25 pm - 3:00 pmPAT-ORD
29h 05m2 stops
Air France Logo
5:10 pm - 7:55 amORD-PAT
28h 15m2 stops
$1,332Air France
Find Deal
Wed, Apr 15 - Sun, Apr 19
Multiple Airlines Logo
10:35 am - 7:35 amPAT-ORD
32h 30m2 stops
Multiple Airlines Logo
1:10 pm - 10:35 pmORD-PAT
21h 55m2 stops
$1,695Multiple Airlines
Find Deal
Thu, Dec 11 - Thu, Dec 18
Multiple Airlines Logo
10:25 am - 7:35 amPAT-ORD
32h 40m2 stops
Multiple Airlines Logo
1:10 pm - 8:25 amORD-PAT
31h 45m3 stops
$1,785Multiple Airlines
Find Deal
Thu, Dec 11 - Thu, Dec 18
Multiple Airlines Logo
11:05 am - 7:35 amPAT-ORD
32h 00m3 stops
Multiple Airlines Logo
11:50 am - 11:15 amORD-PAT
35h 55m3 stops
$2,058Multiple Airlines
Find Deal
Thu, Dec 11 - Thu, Dec 18
Air India Logo
4:45 pm - 11:30 amPAT-ORD
54h 15m3 stops
Air India Logo
1:30 pm - 2:40 pmORD-PAT
37h 40m1 stop
$2,101Air India
Find Deal
Fri, Dec 12 - Fri, Dec 19
Multiple Airlines Logo
4:45 pm - 7:35 amPAT-ORD
26h 20m2 stops
Multiple Airlines Logo
1:10 pm - 10:30 amORD-PAT
33h 50m3 stops
$2,149Multiple Airlines
Find Deal
Fri, Dec 12 - Fri, Dec 19

Air India flights from Patna to Chicago O'Hare Intl Airport

Our best Air India deals on Patna to Chicago O'Hare Intl Airport flight tickets
Air India
Apr 15
PAT1:15 pmPatna
28h 40m
1 stop
ORD7:25 amChicago O'Hare Intl
Apr 19
ORD12:00 pmChicago O'Hare Intl
20h 00m
1 stop
PAT6:30 pmPatna
$983
Find similar
Air India
Apr 15
PAT1:15 pmPatna
28h 40m
1 stop
ORD7:25 amChicago O'Hare Intl
Apr 19
ORD12:00 pmChicago O'Hare Intl
38h 05m
1 stop
PAT12:35 pmPatna
$984
Find similar
Air India
Apr 15
PAT4:10 pmPatna
49h 45m
2 stops
ORD7:25 amChicago O'Hare Intl
Apr 19
ORD12:00 pmChicago O'Hare Intl
20h 00m
1 stop
PAT6:30 pmPatna
$989
Find similar

Air France flights from Patna to Chicago O'Hare Intl Airport

Our best Air France deals on Patna to Chicago O'Hare Intl Airport flight tickets
Air France
Apr 15
PAT8:25 pmPatna
29h 05m
2 stops
ORD3:00 pmChicago O'Hare Intl
Apr 19
ORD5:10 pmChicago O'Hare Intl
28h 15m
2 stops
PAT7:55 amPatna
$1,250
Find similar
Air France
Apr 15
PAT8:25 pmPatna
29h 05m
2 stops
ORD3:00 pmChicago O'Hare Intl
Apr 19
ORD5:10 pmChicago O'Hare Intl
28h 15m
2 stops
PAT7:55 amPatna
$1,332
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Patna to Chicago O'Hare Intl Airport 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 832,500 searches. Data last updated October 29, 2025.
Use the filters below to find and compare flights from Patna to Chicago O'Hare Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PatnaChicago

PAT - ORD

PATORD

Patna

Wed 4/15

1:15 pm-7:25 am

1 stop28h 40m

Chicago O'Hare Intl

Sun 4/19

12:00 pm-6:30 pm

1 stop20h 00m

$983

PatnaChicago

PAT - ORD

PATORD

Patna

Wed 4/15

1:15 pm-7:25 am

1 stop28h 40m

Chicago O'Hare Intl

Sun 4/19

12:00 pm-12:35 pm

1 stop38h 05m

$984

PatnaChicago

PAT - ORD

PATORD

Patna

Wed 4/15

4:10 pm-7:25 am

2 stops49h 45m

Chicago O'Hare Intl

Sun 4/19

12:00 pm-6:30 pm

1 stop20h 00m

$989

PatnaChicago

PAT - ORD

PATORD

Patna

Wed 4/15

8:25 pm-3:00 pm

2 stops29h 05m

Chicago O'Hare Intl

Sun 4/19

5:10 pm-7:55 am

2 stops28h 15m

$1,250

PatnaChicago

PAT - ORD

PATORD

Patna

Wed 4/15

8:25 pm-3:00 pm

2 stops29h 05m

Chicago O'Hare Intl

Sun 4/19

5:10 pm-7:55 am

2 stops28h 15m

$1,332

PatnaChicago

PAT - ORD

PATORD

Patna

Thu 12/11

10:35 am-7:35 am

2 stops32h 30m

Chicago O'Hare Intl

Thu 12/18

1:10 pm-10:35 pm

2 stops21h 55m

$1,695

PatnaChicago

PAT - ORD

PATORD

Patna

Thu 12/11

10:25 am-7:35 am

2 stops32h 40m

Chicago O'Hare Intl

Thu 12/18

1:10 pm-8:25 am

3 stops31h 45m

$1,785

PatnaChicago

PAT - ORD

PATORD

Patna

Thu 12/11

11:05 am-7:35 am

3 stops32h 00m

Chicago O'Hare Intl

Thu 12/18

11:50 am-11:15 am

3 stops35h 55m

$2,058

PatnaChicago

PAT - ORD

PATORD

Patna

Fri 12/12

4:45 pm-11:30 am

3 stops54h 15m

Chicago O'Hare Intl

Fri 12/19

1:30 pm-2:40 pm

1 stop37h 40m

$2,101

PatnaChicago

PAT - ORD

PATORD

Patna

Fri 12/12

4:45 pm-7:35 am

2 stops26h 20m

Chicago O'Hare Intl

Fri 12/19

1:10 pm-10:30 am

3 stops33h 50m

$2,149

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Patna to Chicago O'Hare Intl Airport

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 Patna to Chicago O'Hare Intl Airport flights?

You could potentially save up to 28% on your flight if you consider stops on a Patna to Chicago O'Hare Intl Airport flight.

When to book flights from Patna to Chicago O'Hare Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Patna to Chicago O'Hare Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Patna to Chicago O'Hare Intl Airport (PAT to ORD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Patna to Chicago O'Hare Intl Airport

Direct flights

None
There are no direct flights from Patna to Chicago O'Hare Intl Airport. There are no popular flight routes from Patna to Chicago O'Hare Intl Airport.
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  • How far is Patna to Chicago O'Hare Intl by plane?

    There are 7739.7 mi between Patna and Chicago O'Hare Intl. By plane, this route typically takes 26h 20m.

  • When did momondo last update prices for flights from Patna Airport to Chicago O'Hare Intl Airport?

    Prices for flights from Patna Airport to Chicago O'Hare Intl Airport were last updated today.

  • How many operators does momondo search for flights from Patna Airport to Chicago O'Hare Intl Airport?

  • How old do you have to be to fly from Patna Airport to Chicago O'Hare Intl 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 Patna Airport to Chicago O'Hare Intl Airport.

  • What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?

    The travel and health documents you'll need for your trip to Chicago O'Hare Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Chicago O'Hare Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Patna to Chicago O'Hare Intl Airport?

Best airlines flying from Patna to Chicago O'Hare Intl Airport

Compare and see reviews for airlines that fly from Patna to Chicago O'Hare Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
Air IndiaPriceFrom $1,010Free CancellationRating
5.5
2,940 reviews
Search Air India flights

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Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Patna to Chicago. Millions of users trust and use momondo every year so you are in good hands.

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

Flights from Patna to Chicago with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

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

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

If you are not ready to book a flight from Patna to Chicago now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Chicago and let you know when they change.

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