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.

₹ 85,159 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

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

13:30 - 12:35

ORD

PAT

35h 35m1 stop

13:05 - 11:30

PAT

ORD

57h 55m3 stops

₹ 85,159Air India

Wed, 4 Feb - Mon, 16 Feb

13:30 - 10:05

ORD

PAT

33h 05m1 stop

09:10 - 11:30

PAT

ORD

61h 50m3 stops

₹ 85,788Air 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

₹ 89,202Air India

Wed, 4 Feb - Mon, 16 Feb

13:30 - 14:40

ORD

PAT

37h 40m1 stop

13:05 - 11:30

PAT

ORD

57h 55m2 stops

₹ 95,041Air India

Wed, 4 Feb - Mon, 16 Feb

13:30 - 12:30

ORD

PAT

59h 30m3 stops

16:45 - 11:30

PAT

ORD

54h 15m3 stops

₹ 104,653Air India

Wed, 4 Feb - Mon, 16 Feb

13:30 - 10:05

ORD

PAT

33h 05m1 stop

13:05 - 11:30

PAT

ORD

57h 55m2 stops

₹ 111,120Air India

Wed, 4 Feb - Mon, 16 Feb

15:15 - 12:30

ORD

PAT

58h 45m2 stops

13:50 - 11:10

PAT

ORD

55h 50m3 stops

₹ 111,569Air India

Mon, 1 Jun - Wed, 17 Jun

13:10 - 12:35

ORD

PAT

36h 55m1 stop

13:50 - 11:10

PAT

ORD

55h 50m3 stops

₹ 115,612Air India

Mon, 1 Jun - Wed, 17 Jun

13:10 - 14:40

ORD

PAT

39h 00m1 stop

13:50 - 11:10

PAT

ORD

55h 50m2 stops

₹ 141,663Air India

Mon, 1 Jun - Wed, 17 Jun

11:25 - 09:50

ORD

PAT

35h 55m2 stops

20:25 - 18:15

PAT

ORD

32h 20m2 stops

₹ 158,102IndiGo

Tue, 16 Jun - Fri, 31 Jul

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

35h 35m

1 stop

PAT12:35Patna

16 Feb

PAT13:05Patna

57h 55m

3 stops

ORD11:30Chicago O'Hare Intl

₹ 85,159

Find similar

Air India

4 Feb

ORD13:30Chicago O'Hare Intl

33h 05m

1 stop

PAT10:05Patna

16 Feb

PAT09:10Patna

61h 50m

3 stops

ORD11:30Chicago O'Hare Intl

₹ 85,788

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

₹ 89,202

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

13:30-12:35

1 stop35h 35m

Patna

Mon 16/2

13:05-11:30

3 stops57h 55m

₹ 85,159

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Wed 4/2

13:30-10:05

1 stop33h 05m

Patna

Mon 16/2

09:10-11:30

3 stops61h 50m

₹ 85,788

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

₹ 89,202

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Wed 4/2

13:30-14:40

1 stop37h 40m

Patna

Mon 16/2

13:05-11:30

2 stops57h 55m

₹ 95,041

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Wed 4/2

13:30-12:30

3 stops59h 30m

Patna

Mon 16/2

16:45-11:30

3 stops54h 15m

₹ 104,652

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

₹ 111,120

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Mon 1/6

15:15-12:30

2 stops58h 45m

Patna

Wed 17/6

13:50-11:10

3 stops55h 50m

₹ 111,569

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Mon 1/6

13:10-12:35

1 stop36h 55m

Patna

Wed 17/6

13:50-11:10

3 stops55h 50m

₹ 115,612

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Mon 1/6

13:10-14:40

1 stop39h 00m

Patna

Wed 17/6

13:50-11:10

2 stops55h 50m

₹ 141,663

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Tue 16/6

11:25-09:50

2 stops35h 55m

Patna

Fri 31/7

20:25-18:15

2 stops32h 20m

₹ 158,102

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

Fastest flight time	33h 05m
Direct flights	None

The fastest flight from Chicago O'Hare Intl Airport to Patna takes 33h 05m

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 33h 05m.
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.