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

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

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

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 Chicago to Patna Airport.

What documentation or ID do you need to fly to Patna Airport?

The travel and health documents you'll need for your trip to Patna 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 Patna Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

₹ 66,753 Cheap Flights from Chicago to Patna in 2025/26

1 adult

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Find the cheapest flights from Chicago to Patna

Round-trip

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

13:30 - 14:40ORD-PAT

37h 40m1 stop

15:30 - 11:30PAT-ORD

31h 30m2 stops

₹ 66,753Air India

Find Deal

Sun, 1 Feb - Sun, 22 Feb

13:30 - 08:40ORD-PAT

31h 40m2 stops

10:35 - 11:30PAT-ORD

36h 25m2 stops

₹ 66,842Air India

Find Deal

Sun, 1 Feb - Sun, 22 Feb

13:30 - 10:05ORD-PAT

33h 05m1 stop

13:05 - 11:30PAT-ORD

57h 55m3 stops

₹ 68,634Air India

Find Deal

Wed, 4 Feb - Mon, 16 Feb

13:30 - 12:30ORD-PAT

35h 30m2 stops

13:05 - 11:30PAT-ORD

57h 55m3 stops

₹ 70,068Air India

Find Deal

Wed, 4 Feb - Mon, 16 Feb

13:30 - 08:40ORD-PAT

31h 40m2 stops

16:45 - 11:30PAT-ORD

30h 15m3 stops

₹ 71,501Air India

Find Deal

Sun, 1 Feb - Sun, 22 Feb

14:30 - 09:40ORD-PAT

32h 40m1 stop

20:55 - 12:30PAT-ORD

26h 05m2 stops

₹ 72,039Air India

Find Deal

Sun, 8 Mar - Thu, 12 Mar

13:10 - 09:40ORD-PAT

33h 00m3 stops

15:05 - 11:30PAT-ORD

31h 55m3 stops

₹ 81,089Multiple Airlines

Find Deal

Sun, 1 Feb - Sun, 22 Feb

13:30 - 14:40ORD-PAT

37h 40m1 stop

13:05 - 23:10PAT-ORD

45h 35m2 stops

₹ 97,934Air India

Find Deal

Wed, 4 Feb - Mon, 16 Feb

13:30 - 11:10ORD-PAT

34h 10m1 stop

20:05 - 11:30PAT-ORD

26h 55m2 stops

₹ 131,892Air India

Find Deal

Mon, 15 Dec - Sun, 25 Jan

13:30 - 13:10ORD-PAT

36h 10m2 stops

20:05 - 11:30PAT-ORD

26h 55m2 stops

₹ 134,132Air India

Find Deal

Mon, 15 Dec - Sun, 25 Jan

Air India flights from Chicago to Patna

Our best Air India deals on Chicago to Patna flight tickets

Air India

1 Feb

ORD13:30Chicago O'Hare Intl

37h 40m

1 stop

PAT14:40Patna

22 Feb

PAT15:30Patna

31h 30m

2 stops

ORD11:30Chicago O'Hare Intl

₹ 66,753

Find similar

Air India

1 Feb

ORD13:30Chicago O'Hare Intl

31h 40m

2 stops

PAT08:40Patna

22 Feb

PAT10:35Patna

36h 25m

2 stops

ORD11:30Chicago O'Hare Intl

₹ 66,842

Find similar

Air India

4 Feb

ORD13:30Chicago O'Hare Intl

33h 05m

1 stop

PAT10:05Patna

16 Feb

PAT13:05Patna

57h 55m

3 stops

ORD11:30Chicago O'Hare Intl

₹ 68,634

Find similar

Air France flights from Chicago to Patna

Our best Air France deals on Chicago to Patna flight tickets

Air France

11 Mar

ORD18:20Chicago O'Hare Intl

29h 20m

2 stops

PAT10:10Patna

15 Mar

PAT21:25Patna

29h 15m

2 stops

ORD16:10Chicago O'Hare Intl

₹ 144,168

Find similar

Air France

15 Dec

ORD17:20Chicago O'Hare Intl

29h 20m

2 stops

PAT10:10Patna

15 Jan

PAT21:25Patna

29h 15m

2 stops

ORD15:10Chicago O'Hare Intl

₹ 221,852

Find similar

Fly from

Fly to

Route

Depart

Return

Price

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Sun 1/2

13:30-14:40

1 stop37h 40m

Patna

Sun 22/2

15:30-11:30

2 stops31h 30m

₹ 66,753

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Sun 1/2

13:30-08:40

2 stops31h 40m

Patna

Sun 22/2

10:35-11:30

2 stops36h 25m

₹ 66,842

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Wed 4/2

13:30-10:05

1 stop33h 05m

Patna

Mon 16/2

13:05-11:30

3 stops57h 55m

₹ 68,634

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Wed 4/2

13:30-12:30

2 stops35h 30m

Patna

Mon 16/2

13:05-11:30

3 stops57h 55m

₹ 70,068

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Sun 1/2

13:30-08:40

2 stops31h 40m

Patna

Sun 22/2

16:45-11:30

3 stops30h 15m

₹ 71,501

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Sun 8/3

14:30-09:40

1 stop32h 40m

Patna

Thu 12/3

20:55-12:30

2 stops26h 05m

₹ 72,039

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Sun 1/2

13:10-09:40

3 stops33h 00m

Patna

Sun 22/2

15:05-11:30

3 stops31h 55m

₹ 81,089

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Wed 4/2

13:30-14:40

1 stop37h 40m

Patna

Mon 16/2

13:05-23:10

2 stops45h 35m

₹ 97,934

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Mon 15/12

13:30-11:10

1 stop34h 10m

Patna

Sun 25/1

20:05-11:30

2 stops26h 55m

₹ 131,892

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Mon 15/12

13:30-13:10

2 stops36h 10m

Patna

Sun 25/1

20:05-11:30

2 stops26h 55m

₹ 134,132

Flights are sorted by cheapest return flights first.

Showing 1-10 of 13 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

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

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

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 return 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

Direct flights	None

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

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How far is Chicago to Patna by plane?
The distance between Chicago and Patna is about 12464.5 km. Flights usually cover this in 29h 20m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Chicago to Patna Airport?
Prices for flights from Chicago to Patna Airport are refreshed on a daily basis.
How old do you have to be to fly from Chicago to Patna Airport?
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 Chicago to Patna Airport.
What documentation or ID do you need to fly to Patna Airport?
The travel and health documents you'll need for your trip to Patna 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 Patna Airport. It is always advisable to seek 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 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?

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

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

Once you have performed a search for Chicago to Patna 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 Chicago to Patna right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Chicago to Patna 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.