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.

₹ 80,574 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 - 10:05

ORD

PAT

33h 05m1 stop

13:05 - 11:30

PAT

ORD

57h 55m3 stops

₹ 80,574Air India

Wed, 4 Feb - Mon, 16 Feb

11:50 - 14:10

ORD

PAT

38h 50m2 stops

08:30 - 18:25

PAT

ORD

45h 25m2 stops

₹ 87,409IndiGo

Wed, 4 Feb - Mon, 16 Feb

13:30 - 10:05

ORD

PAT

33h 05m1 stop

13:05 - 11:30

PAT

ORD

57h 55m2 stops

₹ 89,747Air India

Wed, 4 Feb - Mon, 16 Feb

13:30 - 12:30

ORD

PAT

35h 30m2 stops

13:05 - 11:30

PAT

ORD

57h 55m3 stops

₹ 90,106Air India

Wed, 4 Feb - Mon, 16 Feb

13:30 - 14:40

ORD

PAT

37h 40m1 stop

13:05 - 23:10

PAT

ORD

45h 35m2 stops

₹ 95,142Air India

Wed, 4 Feb - Mon, 16 Feb

13:30 - 12:30

ORD

PAT

35h 30m2 stops

13:05 - 11:30

PAT

ORD

57h 55m3 stops

₹ 111,149Air India

Wed, 4 Feb - Mon, 16 Feb

13:30 - 14:40

ORD

PAT

37h 40m1 stop

20:20 - 11:30

PAT

ORD

50h 40m3 stops

₹ 149,997Air India

Wed, 24 Dec - Wed, 21 Jan

13:30 - 14:40

ORD

PAT

37h 40m1 stop

20:20 - 11:30

PAT

ORD

50h 40m3 stops

₹ 151,346Air India

Wed, 24 Dec - Wed, 21 Jan

13:30 - 12:30

ORD

PAT

35h 30m2 stops

20:20 - 11:30

PAT

ORD

50h 40m3 stops

₹ 153,145Air India

Wed, 24 Dec - Wed, 21 Jan

13:30 - 12:30

ORD

PAT

35h 30m2 stops

20:20 - 11:30

PAT

ORD

50h 40m3 stops

₹ 154,134Air India

Wed, 24 Dec - Wed, 21 Jan

Air India flights from Chicago to Patna

Our best Air India deals on Chicago to Patna flight tickets

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

₹ 80,574

Find similar

Air India

4 Feb

ORD13:30Chicago O'Hare Intl

33h 05m

1 stop

PAT10:05Patna

16 Feb

PAT13:05Patna

57h 55m

2 stops

ORD11:30Chicago O'Hare Intl

₹ 89,747

Find similar

Air India

4 Feb

ORD13:30Chicago O'Hare Intl

35h 30m

2 stops

PAT12:30Patna

16 Feb

PAT13:05Patna

57h 55m

3 stops

ORD11:30Chicago O'Hare Intl

₹ 90,106

Find similar

IndiGo flights from Chicago to Patna

Our best IndiGo deals on Chicago to Patna flight tickets

IndiGo

4 Feb

ORD11:50Chicago O'Hare Intl

38h 50m

2 stops

PAT14:10Patna

16 Feb

PAT08:30Patna

45h 25m

2 stops

ORD18:25Chicago O'Hare Intl

₹ 87,409

Find similar

IndiGo

15 Dec

ORD11:50Chicago O'Hare Intl

35h 55m

2 stops

PAT11:15Patna

15 Jan

PAT23:10Patna

46h 25m

2 stops

ORD10:05Chicago O'Hare Intl

₹ 157,731

Find similar

IndiGo

15 Dec

ORD11:50Chicago O'Hare Intl

35h 55m

2 stops

PAT11:15Patna

15 Jan

PAT16:35Patna

37h 20m

2 stops

ORD18:25Chicago O'Hare Intl

₹ 159,979

Find similar

Fly from

Fly to

Route

Depart

Return

Price

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

₹ 80,574

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Wed 4/2

11:50-14:10

2 stops38h 50m

Patna

Mon 16/2

08:30-18:25

2 stops45h 25m

₹ 87,409

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

2 stops57h 55m

₹ 89,747

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

₹ 90,106

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

₹ 95,142

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

₹ 111,149

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Wed 24/12

13:30-14:40

1 stop37h 40m

Patna

Wed 21/1

20:20-11:30

3 stops50h 40m

₹ 149,997

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Wed 24/12

13:30-14:40

1 stop37h 40m

Patna

Wed 21/1

20:20-11:30

3 stops50h 40m

₹ 151,346

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Wed 24/12

13:30-12:30

2 stops35h 30m

Patna

Wed 21/1

20:20-11:30

3 stops50h 40m

₹ 153,145

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Wed 24/12

13:30-12:30

2 stops35h 30m

Patna

Wed 21/1

20:20-11:30

3 stops50h 40m

₹ 154,134

Flights are sorted by cheapest return flights first.

Sorted 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	35h 55m
Direct flights	None

The fastest flight from Chicago to Patna takes 35h 55m

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 33h 05m, 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.