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

Air France 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.

₹ 58,759 Cheap Flights from Patna to Illinois in 2026

Find the cheapest flights from Patna to Illinois

Return

One-way

Cheap return flights

Enter your travel dates to find the best prices.

15:50 - 08:35PAT Patna-ORD Chicago O'Hare Intl

27h 15m2 stops New Delhi Indira Gandhi Intl Abu Dhabi Zayed Intl

20:25 - 21:35ORD Chicago O'Hare Intl-PAT Patna

38h 40m2 stops Abu Dhabi Zayed Intl New Delhi Indira Gandhi Intl

₹ 94,933Multiple Airlines

Tue, 6 Oct - Tue, 13 Oct

08:20 - 15:40PAT Patna-ORD Chicago O'Hare Intl

41h 50m2 stops New Delhi Indira Gandhi Intl Abu Dhabi Zayed Intl

20:25 - 17:45ORD Chicago O'Hare Intl-PAT Patna

34h 50m3 stops Abu Dhabi Zayed Intl New Delhi Indira Gandhi Intl Lucknow Amausi

₹ 96,752Multiple Airlines

Tue, 6 Oct - Tue, 13 Oct

13:25 - 08:35PAT Patna-ORD Chicago O'Hare Intl

29h 40m2 stops Bengaluru Intl Abu Dhabi Zayed Intl

14:00 - 07:45ORD Chicago O'Hare Intl-PAT Patna

31h 15m3 stops Abu Dhabi Zayed Intl Bengaluru Intl Hyderabad Rajiv Gandhi Intl

₹ 113,212Multiple Airlines

Tue, 6 Oct - Tue, 13 Oct

08:30 - 08:35PAT Patna-ORD Chicago O'Hare Intl

34h 35m3 stops Hyderabad Rajiv Gandhi Intl Bengaluru Intl Abu Dhabi Zayed Intl

14:00 - 07:45ORD Chicago O'Hare Intl-PAT Patna

31h 15m3 stops Abu Dhabi Zayed Intl Bengaluru Intl Hyderabad Rajiv Gandhi Intl

₹ 113,786Multiple Airlines

Tue, 6 Oct - Tue, 13 Oct

11:05 - 08:35PAT Patna-ORD Chicago O'Hare Intl

32h 00m3 stops Hyderabad Rajiv Gandhi Intl Bengaluru Intl Abu Dhabi Zayed Intl

14:00 - 07:45ORD Chicago O'Hare Intl-PAT Patna

31h 15m3 stops Abu Dhabi Zayed Intl Riyadh King Khaled Intl Hyderabad Rajiv Gandhi Intl

₹ 118,954Multiple Airlines

Tue, 6 Oct - Tue, 13 Oct

13:25 - 08:35PAT Patna-ORD Chicago O'Hare Intl

29h 40m2 stops Bengaluru Intl Abu Dhabi Zayed Intl

14:00 - 07:45ORD Chicago O'Hare Intl-PAT Patna

31h 15m3 stops Abu Dhabi Zayed Intl Riyadh King Khaled Intl Hyderabad Rajiv Gandhi Intl

₹ 119,145Multiple Airlines

Tue, 6 Oct - Tue, 13 Oct

17:55 - 15:40PAT Patna-ORD Chicago O'Hare Intl

32h 15m2 stops Bengaluru Intl Abu Dhabi Zayed Intl

14:00 - 07:45ORD Chicago O'Hare Intl-PAT Patna

31h 15m3 stops Abu Dhabi Zayed Intl Riyadh King Khaled Intl Hyderabad Rajiv Gandhi Intl

₹ 119,241Multiple Airlines

Tue, 6 Oct - Tue, 13 Oct

11:05 - 08:35PAT Patna-ORD Chicago O'Hare Intl

32h 00m3 stops Hyderabad Rajiv Gandhi Intl Bengaluru Intl Abu Dhabi Zayed Intl

14:00 - 07:45ORD Chicago O'Hare Intl-PAT Patna

31h 15m3 stops Abu Dhabi Zayed Intl Riyadh King Khaled Intl Hyderabad Rajiv Gandhi Intl

₹ 119,624Multiple Airlines

Tue, 6 Oct - Tue, 13 Oct

18:05 - 15:40PAT Patna-ORD Chicago O'Hare Intl

32h 05m3 stops Hyderabad Rajiv Gandhi Intl Bengaluru Intl Abu Dhabi Zayed Intl

14:00 - 07:45ORD Chicago O'Hare Intl-PAT Patna

31h 15m3 stops Abu Dhabi Zayed Intl Riyadh King Khaled Intl Hyderabad Rajiv Gandhi Intl

₹ 120,485Multiple Airlines

Sun, 4 Oct - Sun, 11 Oct

23:25 - 15:40PAT Patna-ORD Chicago O'Hare Intl

26h 45m2 stops Bengaluru Intl Abu Dhabi Zayed Intl

14:00 - 07:45ORD Chicago O'Hare Intl-PAT Patna

31h 15m3 stops Abu Dhabi Zayed Intl Riyadh King Khaled Intl Hyderabad Rajiv Gandhi Intl

₹ 121,251Multiple Airlines

Sun, 4 Oct - Sun, 11 Oct

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Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

PatnaChicago

PAT Patna - ORD Chicago O'Hare Intl

PATORD

Patna

Tue 6/10

15:50-08:35

2 stops27h 15m

Chicago O'Hare Intl

Tue 13/10

20:25-21:35

2 stops38h 40m

₹ 94,933

PatnaChicago

PAT Patna - ORD Chicago O'Hare Intl

PATORD

Patna

Tue 6/10

08:20-15:40

2 stops41h 50m

Chicago O'Hare Intl

Tue 13/10

20:25-17:45

3 stops34h 50m

₹ 96,752

PatnaChicago

PAT Patna - ORD Chicago O'Hare Intl

PATORD

Patna

Tue 6/10

13:25-08:35

2 stops29h 40m

Chicago O'Hare Intl

Tue 13/10

14:00-07:45

3 stops31h 15m

₹ 113,212

PatnaChicago

PAT Patna - ORD Chicago O'Hare Intl

PATORD

Patna

Tue 6/10

08:30-08:35

3 stops34h 35m

Chicago O'Hare Intl

Tue 13/10

14:00-07:45

3 stops31h 15m

₹ 113,786

PatnaChicago

PAT Patna - ORD Chicago O'Hare Intl

PATORD

Patna

Tue 6/10

11:05-08:35

3 stops32h 00m

Chicago O'Hare Intl

Tue 13/10

14:00-07:45

3 stops31h 15m

₹ 118,954

PatnaChicago

PAT Patna - ORD Chicago O'Hare Intl

PATORD

Patna

Tue 6/10

13:25-08:35

2 stops29h 40m

Chicago O'Hare Intl

Tue 13/10

14:00-07:45

3 stops31h 15m

₹ 119,145

PatnaChicago

PAT Patna - ORD Chicago O'Hare Intl

PATORD

Patna

Tue 6/10

17:55-15:40

2 stops32h 15m

Chicago O'Hare Intl

Tue 13/10

14:00-07:45

3 stops31h 15m

₹ 119,241

PatnaChicago

PAT Patna - ORD Chicago O'Hare Intl

PATORD

Patna

Tue 6/10

11:05-08:35

3 stops32h 00m

Chicago O'Hare Intl

Tue 13/10

14:00-07:45

3 stops31h 15m

₹ 119,624

PatnaChicago

PAT Patna - ORD Chicago O'Hare Intl

PATORD

Patna

Sun 4/10

18:05-15:40

3 stops32h 05m

Chicago O'Hare Intl

Sun 11/10

14:00-07:45

3 stops31h 15m

₹ 120,485

Fastest return journey

PatnaChicago

PAT Patna - ORD Chicago O'Hare Intl

PATORD

Patna

Sun 4/10

23:25-15:40

2 stops26h 45m

Chicago O'Hare Intl

Sun 11/10

14:00-07:45

3 stops31h 15m

₹ 121,251

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 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 52% 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

Best price found	₹ 58,759
Fastest flight time	36h 40m
Direct flights	None

The best one-way flight to Illinois from Patna in the past 72 hours is ₹ 58,759. The best return flight deal from Patna to Illinois found on momondo in the last 72 hours is ₹ 94,933.

The fastest flight from Patna to Illinois takes 36h 40m

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

Search flight deals

Frequently asked questions about flying 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.

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.