How do I get Price Alerts for flights from Chicago O'Hare Intl Airport to Patna?

Confirm your travel details to search for the latest offers for flights from Chicago O'Hare Intl Airport to Patna . While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

How can I save money on flights from Chicago O'Hare Intl Airport 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?

momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Patna Airport?

Prices for flights from Chicago O'Hare Intl Airport to Patna Airport refresh daily.

How old do you have to be to fly from Chicago O'Hare Intl Airport to Patna Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago O'Hare Intl Airport to Patna Airport.

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

The necessary travel and health documents for your Patna Airport 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.

₹ 64,091 Cheap Flights from Chicago O'Hare Intl Airport to Patna in 2025/26

1 adult

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Find the cheapest flights from Chicago O'Hare Intl Airport to Patna

Round-trip

One-way

Cheap return flights

Enter your travel dates to find the best prices.

13:30 - 09:40ORD-PAT

32h 40m1 stop

16:10 - 11:30PAT-ORD

54h 50m3 stops

₹ 64,091Air India

Find Deal

Wed, 4 Feb - Mon, 16 Feb

13:30 - 12:35ORD-PAT

35h 35m1 stop

16:10 - 11:30PAT-ORD

54h 50m3 stops

₹ 64,356Air India

Find Deal

Wed, 4 Feb - Mon, 16 Feb

13:30 - 10:05ORD-PAT

33h 05m1 stop

10:25 - 07:25PAT-ORD

31h 30m1 stop

₹ 64,977Air India

Find Deal

Wed, 14 Jan - Thu, 16 Apr

13:30 - 12:30ORD-PAT

35h 30m2 stops

15:30 - 07:25PAT-ORD

26h 25m1 stop

₹ 65,154Air India

Find Deal

Wed, 14 Jan - Thu, 16 Apr

13:30 - 15:30ORD-PAT

38h 30m2 stops

16:10 - 11:30PAT-ORD

54h 50m3 stops

₹ 66,839Air India

Find Deal

Wed, 4 Feb - Mon, 16 Feb

13:10 - 10:30ORD-PAT

33h 50m3 stops

16:55 - 07:25PAT-ORD

25h 00m2 stops

₹ 89,975Multiple Airlines

Find Deal

Wed, 14 Jan - Thu, 16 Apr

13:10 - 10:30ORD-PAT

33h 50m3 stops

09:55 - 07:25PAT-ORD

32h 00m3 stops

₹ 95,471Multiple Airlines

Find Deal

Wed, 14 Jan - Thu, 16 Apr

11:50 - 19:35ORD-PAT

44h 15m2 stops

23:10 - 10:05PAT-ORD

46h 25m2 stops

₹ 116,923IndiGo

Find Deal

Thu, 20 Nov - Thu, 25 Dec

11:50 - 11:15ORD-PAT

35h 55m2 stops

16:35 - 18:25PAT-ORD

37h 20m2 stops

₹ 118,164IndiGo

Find Deal

Wed, 24 Dec - Wed, 21 Jan

17:10 - 07:55ORD-PAT

28h 15m2 stops

20:25 - 15:00PAT-ORD

29h 05m2 stops

₹ 168,869Air France

Find Deal

Mon, 13 Apr - Wed, 15 Apr

IndiGo flights from Chicago O'Hare Intl Airport to Patna

Our best IndiGo deals on Chicago O'Hare Intl Airport to Patna flight tickets

IndiGo

20 Nov

ORD11:50Chicago O'Hare Intl

44h 15m

2 stops

PAT19:35Patna

25 Dec

PAT23:10Patna

46h 25m

2 stops

ORD10:05Chicago O'Hare Intl

₹ 116,923

Find similar

IndiGo

24 Dec

ORD11:50Chicago O'Hare Intl

35h 55m

2 stops

PAT11:15Patna

21 Jan

PAT16:35Patna

37h 20m

2 stops

ORD18:25Chicago O'Hare Intl

₹ 118,164

Find similar

IndiGo

21 Dec

ORD11:50Chicago O'Hare Intl

34h 50m

2 stops

PAT10:10Patna

3 Jan

PAT23:10Patna

46h 25m

2 stops

ORD10:05Chicago O'Hare Intl

₹ 236,151

Find similar

Air India flights from Chicago O'Hare Intl Airport to Patna

Our best Air India deals on Chicago O'Hare Intl Airport to Patna flight tickets

Air India

4 Feb

ORD13:30Chicago O'Hare Intl

32h 40m

1 stop

PAT09:40Patna

16 Feb

PAT16:10Patna

54h 50m

3 stops

ORD11:30Chicago O'Hare Intl

₹ 64,091

Find similar

Air India

4 Feb

ORD13:30Chicago O'Hare Intl

35h 35m

1 stop

PAT12:35Patna

16 Feb

PAT16:10Patna

54h 50m

3 stops

ORD11:30Chicago O'Hare Intl

₹ 64,356

Find similar

Air India

14 Jan

ORD13:30Chicago O'Hare Intl

33h 05m

1 stop

PAT10:05Patna

16 Apr

PAT10:25Patna

31h 30m

1 stop

ORD07:25Chicago O'Hare Intl

₹ 64,977

Find similar

momondo Fare Finder

Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Patna that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Wed 4/2

13:30-09:40

1 stop32h 40m

Patna

Mon 16/2

16:10-11:30

3 stops54h 50m

₹ 64,091

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Wed 4/2

13:30-12:35

1 stop35h 35m

Patna

Mon 16/2

16:10-11:30

3 stops54h 50m

₹ 64,356

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Wed 14/1

13:30-10:05

1 stop33h 05m

Patna

Thu 16/4

10:25-07:25

1 stop31h 30m

₹ 64,977

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Wed 14/1

13:30-12:30

2 stops35h 30m

Patna

Thu 16/4

15:30-07:25

1 stop26h 25m

₹ 65,154

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Wed 4/2

13:30-15:30

2 stops38h 30m

Patna

Mon 16/2

16:10-11:30

3 stops54h 50m

₹ 66,839

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Wed 14/1

13:10-10:30

3 stops33h 50m

Patna

Thu 16/4

16:55-07:25

2 stops25h 00m

₹ 89,975

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Wed 14/1

13:10-10:30

3 stops33h 50m

Patna

Thu 16/4

09:55-07:25

3 stops32h 00m

₹ 95,471

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Thu 20/11

11:50-19:35

2 stops44h 15m

Patna

Thu 25/12

23:10-10:05

2 stops46h 25m

₹ 116,923

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Wed 24/12

11:50-11:15

2 stops35h 55m

Patna

Wed 21/1

16:35-18:25

2 stops37h 20m

₹ 118,164

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Mon 13/4

17:10-07:55

2 stops28h 15m

Patna

Wed 15/4

20:25-15:00

2 stops29h 05m

₹ 168,869

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

When to book flights from Chicago O'Hare Intl Airport to Patna

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago O'Hare Intl Airport to Patna according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap Chicago O'Hare Intl Airport to Patna (ORD to PAT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Patna

Direct flights	None

There are no direct flights from Chicago O'Hare Intl Airport to Patna. There are no popular flight routes from Chicago O'Hare Intl Airport to Patna.

Search flight deals

How far is Chicago O'Hare Intl to Patna by plane?
Chicago O'Hare Intl and Patna are 12455.8 km apart from one another. In terms of flight time, this usually takes a little over 20h 00m.
When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Patna Airport?
Prices for flights from Chicago O'Hare Intl Airport to Patna Airport refresh daily.
How old do you have to be to fly from Chicago O'Hare Intl Airport to Patna Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago O'Hare Intl Airport to Patna Airport.
What documentation or ID do you need to fly to Patna Airport?
The necessary travel and health documents for your Patna Airport 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.

How do I get Price Alerts for flights from Chicago O'Hare Intl Airport to Patna?
Confirm your travel details to search for the latest offers for flights from Chicago O'Hare Intl Airport to Patna. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.
How can I save money on flights from Chicago O'Hare Intl Airport 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?
momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

Why use momondo?

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

Finding the right flight to Patna from Chicago is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Patna quick and easy, saving you time and money.

Can I find flights from Chicago to Patna with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Patna from Chicago with this policy.

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?

If you are not ready to book a flight from Chicago to Patna now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Patna and let you know when they change.