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.

₹ 76,757 Cheap Flights from Patna to Illinois in 2026

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.

22:10 - 17:50

PAT

ORD

30h 10m

2 stops

14:30 - 22:35

ORD

PAT

20h 35m

1 stop

₹ 105,683Multiple Airlines

Mon, 18 May - Wed, 11 Nov

22:10 - 17:50

PAT

ORD

30h 10m

2 stops

13:10 - 21:10

ORD

PAT

21h 30m

1 stop

₹ 111,071Multiple Airlines

Mon, 25 May - Mon, 31 Aug

22:10 - 17:50

PAT

ORD

30h 10m

2 stops

13:10 - 21:10

ORD

PAT

21h 30m

1 stop

₹ 114,191Multiple Airlines

Mon, 25 May - Sun, 6 Sep

22:10 - 17:50

PAT

ORD

30h 10m

2 stops

13:10 - 21:10

ORD

PAT

21h 30m

1 stop

₹ 114,664Multiple Airlines

Sun, 7 Jun - Wed, 16 Sep

22:10 - 17:50

PAT

ORD

30h 10m

2 stops

13:10 - 21:10

ORD

PAT

21h 30m

1 stop

₹ 115,136Multiple Airlines

Thu, 28 May - Wed, 2 Sep

21:45 - 17:50

PAT

ORD

30h 35m

2 stops

13:10 - 21:10

ORD

PAT

21h 30m

1 stop

₹ 116,271Multiple Airlines

Mon, 8 Jun - Mon, 14 Sep

13:30 - 15:45

PAT

ORD

36h 45m

2 stops

20:45 - 16:00

ORD

PAT

32h 45m

2 stops

₹ 116,649Multiple Airlines

Fri, 26 Jun - Sat, 31 Oct

08:00 - 11:10

PAT

ORD

37h 40m

2 stops

13:10 - 12:30

ORD

PAT

36h 50m

2 stops

₹ 116,932Air India

Thu, 11 Jun - Wed, 16 Sep

22:10 - 17:50

PAT

ORD

30h 10m

2 stops

13:10 - 21:10

ORD

PAT

21h 30m

1 stop

₹ 117,310Multiple Airlines

Thu, 11 Jun - Mon, 14 Sep

18:05 - 12:55

PAT

ORD

29h 20m

2 stops

13:10 - 21:10

ORD

PAT

21h 30m

1 stop

₹ 117,877Multiple Airlines

Sun, 31 May - Mon, 31 Aug

Air India flights from Patna to Illinois

Our best Air India deals on Patna to Illinois flight tickets

Air India

11 Jun

PAT08:00Patna

37h 40m

2 stops

ORD11:10Chicago O'Hare Intl

16 Sept

ORD13:10Chicago O'Hare Intl

36h 50m

2 stops

PAT12:30Patna

₹ 116,932

Air India

5 Jun

PAT20:05Patna

49h 35m

3 stops

ORD11:10Chicago O'Hare Intl

12 Aug

ORD13:10Chicago O'Hare Intl

37h 15m

1 stop

PAT12:55Patna

₹ 120,524

Air India

16 Jun

PAT15:20Patna

30h 20m

2 stops

ORD11:10Chicago O'Hare Intl

16 Sept

ORD13:10Chicago O'Hare Intl

21h 30m

1 stop

PAT21:10Patna

₹ 125,723

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Fastest return journey

PatnaChicago

PAT - ORD

PATORD

Patna

Mon 18/5

22:10-17:50

2 stops30h 10m

Chicago O'Hare Intl

Wed 11/11

14:30-22:35

1 stop20h 35m

₹ 105,683

PatnaChicago

PAT - ORD

PATORD

Patna

Mon 25/5

22:10-17:50

2 stops30h 10m

Chicago O'Hare Intl

Mon 31/8

13:10-21:10

1 stop21h 30m

₹ 111,071

PatnaChicago

PAT - ORD

PATORD

Patna

Mon 25/5

22:10-17:50

2 stops30h 10m

Chicago O'Hare Intl

Sun 6/9

13:10-21:10

1 stop21h 30m

₹ 114,191

PatnaChicago

PAT - ORD

PATORD

Patna

Sun 7/6

22:10-17:50

2 stops30h 10m

Chicago O'Hare Intl

Wed 16/9

13:10-21:10

1 stop21h 30m

₹ 114,664

PatnaChicago

PAT - ORD

PATORD

Patna

Thu 28/5

22:10-17:50

2 stops30h 10m

Chicago O'Hare Intl

Wed 2/9

13:10-21:10

1 stop21h 30m

₹ 115,136

PatnaChicago

PAT - ORD

PATORD

Patna

Mon 8/6

21:45-17:50

2 stops30h 35m

Chicago O'Hare Intl

Mon 14/9

13:10-21:10

1 stop21h 30m

₹ 116,270

PatnaChicago

PAT - ORD

PATORD

Patna

Fri 26/6

13:30-15:45

2 stops36h 45m

Chicago O'Hare Intl

Sat 31/10

20:45-16:00

2 stops32h 45m

₹ 116,649

PatnaChicago

PAT - ORD

PATORD

Patna

Thu 11/6

08:00-11:10

2 stops37h 40m

Chicago O'Hare Intl

Wed 16/9

13:10-12:30

2 stops36h 50m

₹ 116,932

PatnaChicago

PAT - ORD

PATORD

Patna

Thu 11/6

22:10-17:50

2 stops30h 10m

Chicago O'Hare Intl

Mon 14/9

13:10-21:10

1 stop21h 30m

₹ 117,310

PatnaChicago

PAT - ORD

PATORD

Patna

Sun 31/5

18:05-12:55

2 stops29h 20m

Chicago O'Hare Intl

Mon 31/8

13:10-21:10

1 stop21h 30m

₹ 117,877

Flights are sorted by cheapest return flights first.

Showing 1-10 of 13 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 49% 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

Fastest flight time	30h 10m
Direct flights	None

The fastest flight from Patna to Illinois takes 30h 10m

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

Search flight deals

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.