What is the cheapest airline that flies from Patna to Illinois?

Air India is the most popular carrier operating from Patna to Illinois

When did momondo last update prices for flights from Patna Airport to Illinois?

Prices for flights from Patna Airport to Illinois were last updated today.

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

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 Patna Airport to Illinois.

What documentation or ID do you need to fly to Illinois?

The travel and health documents required for your trip to Illinois can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Illinois. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

₹ 39,525 Cheap Flights from Patna to Illinois in 2025/26

1 adult

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Find the cheapest flights from Patna to Illinois

Round-trip

One-way

Cheap return flights

Enter your travel dates to find the best prices.

16:10 - 07:25PAT-ORD

49h 45m2 stops

12:00 - 19:55ORD-PAT

21h 25m1 stop

₹ 86,460Air India

Find Deal

Wed, 15 Apr - Sun, 19 Apr

13:15 - 07:25PAT-ORD

28h 40m1 stop

12:00 - 18:30ORD-PAT

20h 00m1 stop

₹ 86,725Air India

Find Deal

Wed, 15 Apr - Sun, 19 Apr

13:15 - 07:25PAT-ORD

28h 40m1 stop

12:00 - 12:35ORD-PAT

38h 05m1 stop

₹ 86,813Air India

Find Deal

Wed, 15 Apr - Sun, 19 Apr

20:25 - 15:00PAT-ORD

29h 05m2 stops

17:10 - 07:55ORD-PAT

28h 15m2 stops

₹ 104,281Air France

Find Deal

Wed, 15 Apr - Sun, 19 Apr

20:25 - 15:00PAT-ORD

29h 05m2 stops

17:10 - 07:55ORD-PAT

28h 15m2 stops

₹ 110,281Air France

Find Deal

Wed, 15 Apr - Sun, 19 Apr

16:45 - 11:30PAT-ORD

54h 15m3 stops

13:30 - 14:40ORD-PAT

37h 40m1 stop

₹ 185,360Air India

Find Deal

Fri, 12 Dec - Fri, 19 Dec

16:45 - 07:35PAT-ORD

26h 20m2 stops

13:10 - 10:30ORD-PAT

33h 50m3 stops

₹ 189,594Multiple Airlines

Find Deal

Fri, 12 Dec - Fri, 19 Dec

08:55 - 07:35PAT-ORD

34h 10m3 stops

13:10 - 10:30ORD-PAT

33h 50m3 stops

₹ 189,859Multiple Airlines

Find Deal

Fri, 12 Dec - Fri, 19 Dec

19:10 - 21:52PAT-ORD

38h 12m2 stops

13:30 - 09:40ORD-PAT

32h 40m1 stop

₹ 201,769Air India

Find Deal

Fri, 12 Dec - Fri, 19 Dec

Air India flights from Patna to Illinois

Our best Air India deals on Patna to Illinois flight tickets

Air India

15 Apr

PAT16:10Patna

49h 45m

2 stops

ORD07:25Chicago O'Hare Intl

19 Apr

ORD12:00Chicago O'Hare Intl

21h 25m

1 stop

PAT19:55Patna

₹ 86,460

Find similar

Air India

15 Apr

PAT13:15Patna

28h 40m

1 stop

ORD07:25Chicago O'Hare Intl

19 Apr

ORD12:00Chicago O'Hare Intl

20h 00m

1 stop

PAT18:30Patna

₹ 86,725

Find similar

Air India

15 Apr

PAT13:15Patna

28h 40m

1 stop

ORD07:25Chicago O'Hare Intl

19 Apr

ORD12:00Chicago O'Hare Intl

38h 05m

1 stop

PAT12:35Patna

₹ 86,813

Find similar

Air France flights from Patna to Illinois

Our best Air France deals on Patna to Illinois flight tickets

Air France

15 Apr

PAT20:25Patna

29h 05m

2 stops

ORD15:00Chicago O'Hare Intl

19 Apr

ORD17:10Chicago O'Hare Intl

28h 15m

2 stops

PAT07:55Patna

₹ 104,281

Find similar

Air France

15 Apr

PAT20:25Patna

29h 05m

2 stops

ORD15:00Chicago O'Hare Intl

19 Apr

ORD17:10Chicago O'Hare Intl

28h 15m

2 stops

PAT07:55Patna

₹ 110,281

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PatnaChicago

PAT - ORD

PATORD

Patna

Wed 15/4

16:10-07:25

2 stops49h 45m

Chicago O'Hare Intl

Sun 19/4

12:00-19:55

1 stop21h 25m

₹ 86,460

PatnaChicago

PAT - ORD

PATORD

Patna

Wed 15/4

13:15-07:25

1 stop28h 40m

Chicago O'Hare Intl

Sun 19/4

12:00-18:30

1 stop20h 00m

₹ 86,725

PatnaChicago

PAT - ORD

PATORD

Patna

Wed 15/4

13:15-07:25

1 stop28h 40m

Chicago O'Hare Intl

Sun 19/4

12:00-12:35

1 stop38h 05m

₹ 86,813

PatnaChicago

PAT - ORD

PATORD

Patna

Wed 15/4

20:25-15:00

2 stops29h 05m

Chicago O'Hare Intl

Sun 19/4

17:10-07:55

2 stops28h 15m

₹ 104,281

PatnaChicago

PAT - ORD

PATORD

Patna

Wed 15/4

20:25-15:00

2 stops29h 05m

Chicago O'Hare Intl

Sun 19/4

17:10-07:55

2 stops28h 15m

₹ 110,281

PatnaChicago

PAT - ORD

PATORD

Patna

Fri 12/12

16:45-11:30

3 stops54h 15m

Chicago O'Hare Intl

Fri 19/12

13:30-14:40

1 stop37h 40m

₹ 185,360

PatnaChicago

PAT - ORD

PATORD

Patna

Fri 12/12

16:45-07:35

2 stops26h 20m

Chicago O'Hare Intl

Fri 19/12

13:10-10:30

3 stops33h 50m

₹ 189,594

PatnaChicago

PAT - ORD

PATORD

Patna

Fri 12/12

08:55-07:35

3 stops34h 10m

Chicago O'Hare Intl

Fri 19/12

13:10-10:30

3 stops33h 50m

₹ 189,859

PatnaChicago

PAT - ORD

PATORD

Patna

Fri 12/12

19:10-21:52

2 stops38h 12m

Chicago O'Hare Intl

Fri 19/12

13:30-09:40

1 stop32h 40m

₹ 201,769

PatnaChicago

PAT - ORD

PATORD

Patna

Sat 8/11

10:35-11:30

2 stops36h 25m

₹ 39,525

Flights are sorted by cheapest return flights first.

Showing 1-10 of 11 resultsSorted by cheapest first

How to get the cheapest flight ticket from Patna to Illinois

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Can stopping save me money on Patna to Illinois flights?

You could potentially save up to 24% on your flight if you consider stops on a Patna to Illinois flight.

Cheap Patna to Illinois flight deals and tips

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

Direct flights	None

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

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When did momondo last update prices for flights from Patna Airport to Illinois?
Prices for flights from Patna Airport to Illinois were last updated today.
How old do you have to be to fly from Patna Airport to Illinois?
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 Patna Airport to Illinois.
What documentation or ID do you need to fly to Illinois?
The travel and health documents required for your trip to Illinois can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Illinois. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

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

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 Illinois from Patna.

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

All flight searches from Patna to Illinois on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Illinois from Patna.

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

Yes. momondo can track prices for Patna to Illinois 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.