How do I get Price Alerts for flights from Chicago to Patna?

Price Alerts will notify you by email when the price for flights to Patna from Chicago decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

How can I save money on flights from Chicago to Patna with momondo?

Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore” . Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

How does momondo find its flight prices?

We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

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.

₹ 34,102 Cheap Flights from Chicago to Patna in 2026

1 adult

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Find the cheapest flights from Chicago to Patna

Round-trip

One-way

Cheap return flights

Enter your travel dates to find the best prices.

14:30 - 09:40

ORD

PAT

32h 40m1 stop

19:10 - 11:10

PAT

ORD

26h 30m2 stops

₹ 62,340Air India

Mon, 23 Mar - Tue, 28 Apr

14:30 - 09:40

ORD

PAT

32h 40m1 stop

19:10 - 11:10

PAT

ORD

26h 30m2 stops

₹ 62,791Air India

Sun, 22 Mar - Tue, 28 Apr

14:30 - 09:40

ORD

PAT

32h 40m1 stop

19:10 - 11:10

PAT

ORD

26h 30m2 stops

₹ 63,693Air India

Fri, 20 Mar - Tue, 28 Apr

14:30 - 09:40

ORD

PAT

32h 40m1 stop

13:05 - 11:10

PAT

ORD

56h 35m3 stops

₹ 64,686Air India

Mon, 23 Mar - Mon, 27 Apr

14:30 - 09:40

ORD

PAT

32h 40m1 stop

13:05 - 11:10

PAT

ORD

56h 35m3 stops

₹ 65,227Air India

Sun, 22 Mar - Mon, 27 Apr

14:30 - 09:40

ORD

PAT

32h 40m1 stop

13:05 - 11:10

PAT

ORD

56h 35m3 stops

₹ 66,129Air India

Fri, 20 Mar - Mon, 27 Apr

14:30 - 09:40

ORD

PAT

32h 40m1 stop

19:10 - 11:10

PAT

ORD

26h 30m2 stops

₹ 67,212Air India

Mon, 23 Mar - Thu, 30 Apr

14:30 - 09:40

ORD

PAT

32h 40m1 stop

13:50 - 11:10

PAT

ORD

55h 50m3 stops

₹ 67,392Air India

Wed, 25 Mar - Wed, 29 Apr

13:30 - 14:40

ORD

PAT

37h 40m1 stop

10:10 - 11:30

PAT

ORD

36h 50m2 stops

₹ 67,753Air India

Fri, 27 Feb - Sat, 7 Mar

14:30 - 09:40

ORD

PAT

32h 40m1 stop

19:10 - 11:10

PAT

ORD

26h 30m2 stops

₹ 68,655Air India

Fri, 20 Mar - Thu, 30 Apr

Air India flights from Chicago to Patna

Our best Air India deals on Chicago to Patna flight tickets

Air India

23 Mar

ORD14:30Chicago O'Hare Intl

32h 40m

1 stop

PAT09:40Patna

28 Apr

PAT19:10Patna

26h 30m

2 stops

ORD11:10Chicago O'Hare Intl

₹ 62,340

Air India

22 Mar

ORD14:30Chicago O'Hare Intl

32h 40m

1 stop

PAT09:40Patna

28 Apr

PAT19:10Patna

26h 30m

2 stops

ORD11:10Chicago O'Hare Intl

₹ 62,791

Air India

20 Mar

ORD14:30Chicago O'Hare Intl

32h 40m

1 stop

PAT09:40Patna

28 Apr

PAT19:10Patna

26h 30m

2 stops

ORD11:10Chicago O'Hare Intl

₹ 63,693

Fly from

Fly to

Route

Depart

Return

Price

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Mon 23/3

14:30-09:40

1 stop32h 40m

Patna

Tue 28/4

19:10-11:10

2 stops26h 30m

₹ 62,340

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Sun 22/3

14:30-09:40

1 stop32h 40m

Patna

Tue 28/4

19:10-11:10

2 stops26h 30m

₹ 62,791

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Fri 20/3

14:30-09:40

1 stop32h 40m

Patna

Tue 28/4

19:10-11:10

2 stops26h 30m

₹ 63,693

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Mon 23/3

14:30-09:40

1 stop32h 40m

Patna

Mon 27/4

13:05-11:10

3 stops56h 35m

₹ 64,686

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Sun 22/3

14:30-09:40

1 stop32h 40m

Patna

Mon 27/4

13:05-11:10

3 stops56h 35m

₹ 65,227

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Fri 20/3

14:30-09:40

1 stop32h 40m

Patna

Mon 27/4

13:05-11:10

3 stops56h 35m

₹ 66,129

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Mon 23/3

14:30-09:40

1 stop32h 40m

Patna

Thu 30/4

19:10-11:10

2 stops26h 30m

₹ 67,212

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Wed 25/3

14:30-09:40

1 stop32h 40m

Patna

Wed 29/4

13:50-11:10

3 stops55h 50m

₹ 67,392

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Fri 27/2

13:30-14:40

1 stop37h 40m

Patna

Sat 7/3

10:10-11:30

2 stops36h 50m

₹ 67,753

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Fri 20/3

14:30-09:40

1 stop32h 40m

Patna

Thu 30/4

19:10-11:10

2 stops26h 30m

₹ 68,655

Flights are sorted by cheapest return flights first.

Showing 1-10 of 12 resultsSorted by cheapest first

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

Fastest flight time	37h 40m
Direct flights	None

The fastest flight from Chicago to Patna takes 37h 40m

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

Search flight deals

How far is Chicago to Patna by plane?
The distance between Chicago and Patna is about 12464.5 km. Flights usually cover this in 37h 40m, 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.

How do I get Price Alerts for flights from Chicago to Patna?
Price Alerts will notify you by email when the price for flights to Patna from Chicago decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.
How can I save money on flights from Chicago to Patna with momondo?
Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.
How does momondo find its flight prices?
We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

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.