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 are updated daily.

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 that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check 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 required travel and health documents for your Chicago O'Hare Intl Airport 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 O'Hare Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

₹ 64,844 Cheap Flights from Patna to Chicago O'Hare Intl Airport in 2026/27

Find the cheapest flights from Patna to Chicago

Return

One-way

Cheap return flights

Enter your travel dates to find the best prices.

21:35 - 15:55PAT Patna-ORD Chicago O'Hare Intl

28h 50m2 stops Bengaluru Intl Abu Dhabi Zayed Intl

14:00 - 07:45ORD Chicago O'Hare Intl-PAT Patna

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

₹ 112,135Multiple Airlines

Fri, 16 Oct - Thu, 22 Oct

08:30 - 08:35PAT Patna-ORD Chicago O'Hare Intl

34h 35m3 stops Hyderabad Rajiv Gandhi Intl Bengaluru Intl Abu Dhabi Zayed Intl

14:00 - 07:45ORD Chicago O'Hare Intl-PAT Patna

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

₹ 112,710Multiple Airlines

Fri, 16 Oct - Thu, 22 Oct

15:45 - 15:30PAT Patna-ORD Chicago O'Hare Intl

34h 15m2 stops New Delhi Indira Gandhi Intl Doha Hamad Intl

18:50 - 15:10ORD Chicago O'Hare Intl-PAT Patna

32h 50m2 stops Doha Hamad Intl New Delhi Indira Gandhi Intl

₹ 147,819Multiple Airlines

Thu, 29 Oct - Thu, 5 Nov

13:25 - 08:35PAT Patna-ORD Chicago O'Hare Intl

29h 40m2 stops Bengaluru Intl Abu Dhabi Zayed Intl

14:00 - 07:45ORD Chicago O'Hare Intl-PAT Patna

31h 15m2 stops Abu Dhabi Zayed Intl Hyderabad Rajiv Gandhi Intl

₹ 150,600Multiple Airlines

Fri, 16 Oct - Thu, 22 Oct

15:45 - 15:30PAT Patna-ORD Chicago O'Hare Intl

34h 15m2 stops New Delhi Indira Gandhi Intl Doha Hamad Intl

18:50 - 15:10ORD Chicago O'Hare Intl-PAT Patna

32h 50m2 stops Doha Hamad Intl New Delhi Indira Gandhi Intl

₹ 156,740Multiple Airlines

Wed, 28 Oct - Wed, 4 Nov

15:45 - 15:30PAT Patna-ORD Chicago O'Hare Intl

34h 15m2 stops New Delhi Indira Gandhi Intl Doha Hamad Intl

18:50 - 15:10ORD Chicago O'Hare Intl-PAT Patna

32h 50m2 stops Doha Hamad Intl New Delhi Indira Gandhi Intl

₹ 180,720Multiple Airlines

Fri, 30 Oct - Fri, 6 Nov

15:45 - 14:52PAT Patna-ORD Chicago O'Hare Intl

33h 37m2 stops New Delhi Indira Gandhi Intl Montreal Pierre Elliott Trudeau Intl

17:54 - 13:20ORD Chicago O'Hare Intl-PAT Patna

31h 56m3 stops Montreal Pierre Elliott Trudeau Intl New Delhi Indira Gandhi Intl Mumbai Chhatrapati Shivaji Intl

₹ 806,527Multiple Airlines

Wed, 28 Oct - Wed, 4 Nov

12:10 - 11:07PAT Patna-ORD Chicago O'Hare Intl

33h 27m2 stops New Delhi Indira Gandhi Intl Montreal Pierre Elliott Trudeau Intl

15:47 - 13:20ORD Chicago O'Hare Intl-PAT Patna

34h 03m3 stops Toronto Pearson Intl New Delhi Indira Gandhi Intl Mumbai Chhatrapati Shivaji Intl

₹ 806,815Multiple Airlines

Thu, 29 Oct - Thu, 5 Nov

13:55 - 09:23PAT Patna-ORD Chicago O'Hare Intl

29h 58m3 stops Mumbai Chhatrapati Shivaji Intl New Delhi Indira Gandhi Intl Toronto Pearson Intl

17:54 - 13:20ORD Chicago O'Hare Intl-PAT Patna

31h 56m3 stops Montreal Pierre Elliott Trudeau Intl New Delhi Indira Gandhi Intl Mumbai Chhatrapati Shivaji Intl

₹ 806,911Multiple Airlines

Wed, 28 Oct - Wed, 4 Nov

13:55 - 09:44PAT Patna-ORD Chicago O'Hare Intl

30h 19m3 stops Mumbai Chhatrapati Shivaji Intl New Delhi Indira Gandhi Intl Toronto Pearson Intl

15:47 - 13:20ORD Chicago O'Hare Intl-PAT Patna

34h 03m3 stops Toronto Pearson Intl New Delhi Indira Gandhi Intl Mumbai Chhatrapati Shivaji Intl

₹ 807,295Multiple Airlines

Thu, 29 Oct - Thu, 5 Nov

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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

Cheapest return flight

Fastest return journey

PatnaChicago

PAT Patna - ORD Chicago O'Hare Intl

PATORD

Patna

Fri 16/10

21:35-15:55

2 stops28h 50m

Chicago O'Hare Intl

Thu 22/10

14:00-07:45

3 stops31h 15m

₹ 112,135

PatnaChicago

PAT Patna - ORD Chicago O'Hare Intl

PATORD

Patna

Fri 16/10

08:30-08:35

3 stops34h 35m

Chicago O'Hare Intl

Thu 22/10

14:00-07:45

3 stops31h 15m

₹ 112,710

PatnaChicago

PAT Patna - ORD Chicago O'Hare Intl

PATORD

Patna

Thu 29/10

15:45-15:30

2 stops34h 15m

Chicago O'Hare Intl

Thu 5/11

18:50-15:10

2 stops32h 50m

₹ 147,819

PatnaChicago

PAT Patna - ORD Chicago O'Hare Intl

PATORD

Patna

Fri 16/10

13:25-08:35

2 stops29h 40m

Chicago O'Hare Intl

Thu 22/10

14:00-07:45

2 stops31h 15m

₹ 150,600

PatnaChicago

PAT Patna - ORD Chicago O'Hare Intl

PATORD

Patna

Wed 28/10

15:45-15:30

2 stops34h 15m

Chicago O'Hare Intl

Wed 4/11

18:50-15:10

2 stops32h 50m

₹ 156,740

PatnaChicago

PAT Patna - ORD Chicago O'Hare Intl

PATORD

Patna

Fri 30/10

15:45-15:30

2 stops34h 15m

Chicago O'Hare Intl

Fri 6/11

18:50-15:10

2 stops32h 50m

₹ 180,720

PatnaChicago

PAT Patna - ORD Chicago O'Hare Intl

PATORD

Patna

Wed 28/10

15:45-14:52

2 stops33h 37m

Chicago O'Hare Intl

Wed 4/11

17:54-13:20

3 stops31h 56m

₹ 806,527

PatnaChicago

PAT Patna - ORD Chicago O'Hare Intl

PATORD

Patna

Thu 29/10

12:10-11:07

2 stops33h 27m

Chicago O'Hare Intl

Thu 5/11

15:47-13:20

3 stops34h 03m

₹ 806,815

PatnaChicago

PAT Patna - ORD Chicago O'Hare Intl

PATORD

Patna

Wed 28/10

13:55-09:23

3 stops29h 58m

Chicago O'Hare Intl

Wed 4/11

17:54-13:20

3 stops31h 56m

₹ 806,911

PatnaChicago

PAT Patna - ORD Chicago O'Hare Intl

PATORD

Patna

Thu 29/10

13:55-09:44

3 stops30h 19m

Chicago O'Hare Intl

Thu 5/11

15:47-13:20

3 stops34h 03m

₹ 807,295

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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 52% 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 return 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

Best price found	₹ 64,844
Fastest flight time	31h 05m
Direct flights	None

The best one-way flight to Chicago O'Hare Intl Airport from Patna in the past 72 hours is ₹ 64,844. The best return flight deal from Patna to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is ₹ 112,135.

The fastest flight from Patna to Chicago O'Hare Intl Airport takes 31h 05m

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.

Search flight deals

Frequently asked questions about flying from Patna to Chicago O'Hare Intl Airport

How far is Patna to Chicago O'Hare Intl by plane?
A flight from Patna to Chicago O'Hare Intl will travel around 12455.8 km. Flights usually cover this in 31h 05m, depending on flying conditions and air traffic around both airports.
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 are updated daily.
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 that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check 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 required travel and health documents for your Chicago O'Hare Intl Airport 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 O'Hare Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Rosemont

Willowbrook

Evanston

Delavan

Elgin

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

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 Chicago from Patna.

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?

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