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Cheap flights from Patna to Chicago from ₹ 71,745

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 27/9. 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
1 adult, Economy, 0 bags

Find the cheapest flights from Patna to Chicago

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
07:35 - 08:35PAT  Patna-ORD Chicago O'Hare Intl
35h 30m3 stops Mumbai Chhatrapati Shivaji Intl Bengaluru Intl Abu Dhabi Zayed Intl
Multiple Airlines Logo
14:00 - 07:45ORD  Chicago O'Hare Intl-PAT Patna
31h 15m3 stops Abu Dhabi Zayed Intl Bengaluru Intl Hyderabad Rajiv Gandhi Intl
₹ 111,200Multiple Airlines
Mon, 28 Sep - Mon, 5 Oct
Multiple Airlines Logo
13:25 - 08:35PAT  Patna-ORD Chicago O'Hare Intl
29h 40m2 stops Bengaluru Intl Abu Dhabi Zayed Intl
Multiple Airlines Logo
14:00 - 07:45ORD  Chicago O'Hare Intl-PAT Patna
31h 15m3 stops Abu Dhabi Zayed Intl Bengaluru Intl Hyderabad Rajiv Gandhi Intl
₹ 112,728Multiple Airlines
Mon, 28 Sep - Mon, 5 Oct
Multiple Airlines Logo
15:20 - 19:50PAT  Patna-ORD Chicago O'Hare Intl
39h 00m2 stops New Delhi Indira Gandhi Intl Warsaw Frederic Chopin
Multiple Airlines Logo
17:10 - 10:20ORD  Chicago O'Hare Intl-PAT Patna
30h 40m2 stops Warsaw Frederic Chopin New Delhi Indira Gandhi Intl
₹ 113,301Multiple Airlines
Mon, 28 Sep - Mon, 5 Oct
Multiple Airlines Logo
11:35 - 08:35PAT  Patna-ORD Chicago O'Hare Intl
31h 30m2 stops Bengaluru Intl Abu Dhabi Zayed Intl
Multiple Airlines Logo
14:00 - 07:55ORD  Chicago O'Hare Intl-PAT Patna
31h 25m3 stops Abu Dhabi Zayed Intl Jaipur Sanganeer New Delhi Indira Gandhi Intl
₹ 119,224Multiple Airlines
Thu, 1 Oct - Thu, 8 Oct
Multiple Airlines Logo
11:05 - 08:35PAT  Patna-ORD Chicago O'Hare Intl
32h 00m3 stops Hyderabad Rajiv Gandhi Intl Bengaluru Intl Abu Dhabi Zayed Intl
Multiple Airlines Logo
14:00 - 07:55ORD  Chicago O'Hare Intl-PAT Patna
31h 25m3 stops Abu Dhabi Zayed Intl Jaipur Sanganeer New Delhi Indira Gandhi Intl
₹ 119,702Multiple Airlines
Thu, 1 Oct - Thu, 8 Oct
Multiple Airlines Logo
15:20 - 19:50PAT  Patna-ORD Chicago O'Hare Intl
39h 00m2 stops New Delhi Indira Gandhi Intl Warsaw Frederic Chopin
Multiple Airlines Logo
21:50 - 14:50ORD  Chicago O'Hare Intl-PAT Patna
30h 30m2 stops Warsaw Frederic Chopin New Delhi Indira Gandhi Intl
₹ 121,899Multiple Airlines
Thu, 1 Oct - Thu, 8 Oct
Multiple Airlines Logo
15:20 - 15:05PAT  Patna-ORD Chicago O'Hare Intl
58h 15m2 stops New Delhi Indira Gandhi Intl Doha Hamad Intl
Multiple Airlines Logo
19:20 - 18:30ORD  Chicago O'Hare Intl-PAT Patna
36h 40m2 stops Doha Hamad Intl New Delhi Indira Gandhi Intl
₹ 124,192Multiple Airlines
Mon, 14 Sep - Mon, 21 Sep
Multiple Airlines Logo
19:10 - 15:05PAT  Patna-ORD Chicago O'Hare Intl
54h 25m2 stops New Delhi Indira Gandhi Intl Doha Hamad Intl
Multiple Airlines Logo
19:20 - 18:30ORD  Chicago O'Hare Intl-PAT Patna
36h 40m2 stops Doha Hamad Intl New Delhi Indira Gandhi Intl
₹ 124,288Multiple Airlines
Mon, 14 Sep - Mon, 21 Sep
Multiple Airlines Logo
15:20 - 15:05PAT  Patna-ORD Chicago O'Hare Intl
34h 15m2 stops New Delhi Indira Gandhi Intl Doha Hamad Intl
Multiple Airlines Logo
19:20 - 09:40ORD  Chicago O'Hare Intl-PAT Patna
51h 50m2 stops Doha Hamad Intl New Delhi Indira Gandhi Intl
₹ 125,243Multiple Airlines
Tue, 15 Sep - Tue, 22 Sep
Multiple Airlines Logo
19:10 - 15:05PAT  Patna-ORD Chicago O'Hare Intl
30h 25m2 stops New Delhi Indira Gandhi Intl Doha Hamad Intl
Multiple Airlines Logo
19:20 - 14:50ORD  Chicago O'Hare Intl-PAT Patna
33h 00m2 stops Doha Hamad Intl New Delhi Indira Gandhi Intl
₹ 130,497Multiple Airlines
Sun, 13 Sep - Sun, 20 Sep

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Customise your flight search to find flights from Patna to Chicago 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 17 August 2026.
Use the filters below to find and compare flights from Patna to Chicago that are best for you.

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Fly to

Route

Depart

Return

Price

Cheapest return flight

PatnaChicago

PAT Patna - ORD Chicago O'Hare Intl

PATORD

Patna

Mon 28/9

07:35-08:35

3 stops35h 30m

Chicago O'Hare Intl

Mon 5/10

14:00-07:45

3 stops31h 15m

₹ 111,200
Fastest return journey

PatnaChicago

PAT Patna - ORD Chicago O'Hare Intl

PATORD

Patna

Mon 28/9

13:25-08:35

2 stops29h 40m

Chicago O'Hare Intl

Mon 5/10

14:00-07:45

3 stops31h 15m

₹ 112,728

PatnaChicago

PAT Patna - ORD Chicago O'Hare Intl

PATORD

Patna

Mon 28/9

15:20-19:50

2 stops39h 00m

Chicago O'Hare Intl

Mon 5/10

17:10-10:20

2 stops30h 40m

₹ 113,301

PatnaChicago

PAT Patna - ORD Chicago O'Hare Intl

PATORD

Patna

Thu 1/10

11:35-08:35

2 stops31h 30m

Chicago O'Hare Intl

Thu 8/10

14:00-07:55

3 stops31h 25m

₹ 119,224

PatnaChicago

PAT Patna - ORD Chicago O'Hare Intl

PATORD

Patna

Thu 1/10

11:05-08:35

3 stops32h 00m

Chicago O'Hare Intl

Thu 8/10

14:00-07:55

3 stops31h 25m

₹ 119,702

PatnaChicago

PAT Patna - ORD Chicago O'Hare Intl

PATORD

Patna

Thu 1/10

15:20-19:50

2 stops39h 00m

Chicago O'Hare Intl

Thu 8/10

21:50-14:50

2 stops30h 30m

₹ 121,899

PatnaChicago

PAT Patna - ORD Chicago O'Hare Intl

PATORD

Patna

Mon 14/9

15:20-15:05

2 stops58h 15m

Chicago O'Hare Intl

Mon 21/9

19:20-18:30

2 stops36h 40m

₹ 124,192

PatnaChicago

PAT Patna - ORD Chicago O'Hare Intl

PATORD

Patna

Mon 14/9

19:10-15:05

2 stops54h 25m

Chicago O'Hare Intl

Mon 21/9

19:20-18:30

2 stops36h 40m

₹ 124,288

PatnaChicago

PAT Patna - ORD Chicago O'Hare Intl

PATORD

Patna

Tue 15/9

15:20-15:05

2 stops34h 15m

Chicago O'Hare Intl

Tue 22/9

19:20-09:40

2 stops51h 50m

₹ 125,243

PatnaChicago

PAT Patna - ORD Chicago O'Hare Intl

PATORD

Patna

Sun 13/9

19:10-15:05

2 stops30h 25m

Chicago O'Hare Intl

Sun 20/9

19:20-14:50

2 stops33h 00m

₹ 130,497

Flights are sorted by cheapest return flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
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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

Can stopping save me money on Patna to Chicago flights?

You could potentially save up to 52% 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 return 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

Best price found

₹ 71,745

Fastest flight time

35h 30m

Direct flights

None
The best one-way flight to Chicago from Patna in the past 72 hours is ₹ 71,745. The best return flight deal from Patna to Chicago found on momondo in the last 72 hours is ₹ 111,200.
The fastest flight from Patna to Chicago takes 35h 30m
There are no direct flights from Patna to Chicago. There are no popular flight routes from Patna to Chicago.
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Frequently asked questions about flying from Patna to Chicago

  • How far is Patna to Chicago by plane?

    The straight-line distance from Patna to Chicago is 12464.5 km. A reasonable flight in good conditions will take 35h 30m.

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

    Prices for flights from Patna Airport to Chicago are refreshed on a daily basis.

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Patna Airport to Chicago.

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

    The necessary travel and health documents for your Chicago trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Why use momondo?

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

It is quick and easy to find Patna to Chicago 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 Chicago that suits you.

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?

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 Chicago from Patna.

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

Of course. momondo tracks the price of Patna to Chicago flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Find better results for your trip to the United States

Fly into one of these airports located in Chicago

Airports listed have a maximum distance of 25.6 km from Chicago
Chicago Midway Airport
Chicago O'Hare Intl Airport