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

You can take advantage of momondo’s Price Alerts by first searching for your flights to Illinois from Patna . Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

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

With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.

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 Illinois to Patna Airport?

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

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Illinois 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.

₹ 68,640 Cheap Flights from Illinois to Patna in 2025/26

1 adult

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Early arrival? Instantly customie your results

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Illinois to Patna

Round-trip

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

13:30 - 12:35ORD-PAT

35h 35m1 stop

13:05 - 11:30PAT-ORD

57h 55m3 stops

₹ 68,640Air 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

₹ 70,074Air India

Find Deal

Wed, 4 Feb - Mon, 16 Feb

14:30 - 09:40ORD-PAT

32h 40m1 stop

20:55 - 12:30PAT-ORD

26h 05m2 stops

₹ 72,045Air India

Find Deal

Sun, 8 Mar - Thu, 12 Mar

08:45 - 12:30ORD-PAT

64h 15m2 stops

13:15 - 11:30PAT-ORD

33h 45m2 stops

₹ 77,153Air India

Find Deal

Tue, 27 Jan - Tue, 17 Feb

08:45 - 18:30ORD-PAT

46h 15m2 stops

13:05 - 11:30PAT-ORD

33h 55m3 stops

₹ 78,587Air India

Find Deal

Tue, 27 Jan - Tue, 17 Feb

13:10 - 12:35ORD-PAT

35h 55m3 stops

15:05 - 11:30PAT-ORD

31h 55m3 stops

₹ 82,888Multiple Airlines

Find Deal

Tue, 27 Jan - Tue, 17 Feb

13:30 - 12:30ORD-PAT

59h 30m3 stops

13:05 - 11:30PAT-ORD

57h 55m3 stops

₹ 84,501Air India

Find Deal

Wed, 4 Feb - Mon, 16 Feb

13:30 - 14:40ORD-PAT

37h 40m1 stop

13:05 - 23:10PAT-ORD

45h 35m2 stops

₹ 97,942Air 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

₹ 131,904Air 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

₹ 134,144Air India

Find Deal

Mon, 15 Dec - Sun, 25 Jan

Air India flights from Illinois to Patna

Our best Air India deals on Illinois 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

₹ 68,640

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

₹ 70,074

Find similar

Air India

8 Mar

ORD14:30Chicago O'Hare Intl

32h 40m

1 stop

PAT09:40Patna

12 Mar

PAT20:55Patna

26h 05m

2 stops

ORD12:30Chicago O'Hare Intl

₹ 72,045

Find similar

Air France flights from Illinois to Patna

Our best Air France deals on Illinois to Patna flight tickets

Air France

23 Nov

ORD17:20Chicago O'Hare Intl

27h 05m

2 stops

PAT07:55Patna

8 Dec

PAT21:25Patna

29h 15m

2 stops

ORD15:10Chicago O'Hare Intl

₹ 182,084

Find similar

Air France

23 Nov

ORD17:20Chicago O'Hare Intl

27h 05m

2 stops

PAT07:55Patna

12 Dec

PAT21:25Patna

29h 15m

2 stops

ORD15:10Chicago O'Hare Intl

₹ 193,017

Find similar

Air France

23 Nov

ORD17:20Chicago O'Hare Intl

27h 05m

2 stops

PAT07:55Patna

4 Jan

PAT21:25Patna

29h 15m

2 stops

ORD15:10Chicago O'Hare Intl

₹ 374,922

Find similar

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

₹ 68,640

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

₹ 70,074

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

₹ 72,045

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Tue 27/1

08:45-12:30

2 stops64h 15m

Patna

Tue 17/2

13:15-11:30

2 stops33h 45m

₹ 77,153

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Tue 27/1

08:45-18:30

2 stops46h 15m

Patna

Tue 17/2

13:05-11:30

3 stops33h 55m

₹ 78,587

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Tue 27/1

13:10-12:35

3 stops35h 55m

Patna

Tue 17/2

15:05-11:30

3 stops31h 55m

₹ 82,888

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Wed 4/2

13:30-12:30

3 stops59h 30m

Patna

Mon 16/2

13:05-11:30

3 stops57h 55m

₹ 84,501

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

₹ 97,942

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

₹ 131,904

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

₹ 134,144

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

Cheap Illinois to Patna flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to Patna

Direct flights	None

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

Search flight deals

When did momondo last update prices for flights from Illinois to Patna Airport?
Prices for flights from Illinois to Patna Airport are refreshed on a daily basis.
How old do you have to be to fly from Illinois to Patna Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Illinois 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 Illinois to Patna?
You can take advantage of momondo’s Price Alerts by first searching for your flights to Illinois from Patna. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.
How can I save money on flights from Illinois to Patna with momondo?
With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.
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 Illinois to Patna?

Finding the right flight to Patna from Illinois 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 Illinois to Patna with flexible booking policies on momondo?

Flights from Illinois to Patna with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once all potential Illinois to Patna flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Illinois to Patna right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Illinois 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.