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Cheap flights from Chicago to Patna from ₹ 50,320

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to Patna departing on 3/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Chicago to Patna

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
20:25 - 13:25ORD  Chicago O'Hare Intl-PAT Patna
30h 30m2 stops Abu Dhabi Zayed Intl Mumbai Chhatrapati Shivaji Intl
Multiple Airlines Logo
10:20 - 08:35PAT  Patna-ORD Chicago O'Hare Intl
32h 45m2 stops New Delhi Indira Gandhi Intl Abu Dhabi Zayed Intl
₹ 93,478Multiple Airlines
Mon, 28 Sep - Mon, 5 Oct
Multiple Airlines Logo
20:25 - 09:40ORD  Chicago O'Hare Intl-PAT Patna
26h 45m2 stops Abu Dhabi Zayed Intl New Delhi Indira Gandhi Intl
Multiple Airlines Logo
19:10 - 15:40PAT  Patna-ORD Chicago O'Hare Intl
31h 00m2 stops New Delhi Indira Gandhi Intl Abu Dhabi Zayed Intl
₹ 97,775Multiple Airlines
Sun, 27 Sep - Sun, 4 Oct
Multiple Airlines Logo
20:25 - 14:50ORD  Chicago O'Hare Intl-PAT Patna
31h 55m2 stops Abu Dhabi Zayed Intl New Delhi Indira Gandhi Intl
Multiple Airlines Logo
19:10 - 15:40PAT  Patna-ORD Chicago O'Hare Intl
31h 00m2 stops New Delhi Indira Gandhi Intl Abu Dhabi Zayed Intl
₹ 100,353Multiple Airlines
Sat, 26 Sep - Sat, 3 Oct
Multiple Airlines Logo
20:25 - 17:45ORD  Chicago O'Hare Intl-PAT Patna
34h 50m3 stops Abu Dhabi Zayed Intl New Delhi Indira Gandhi Intl Lucknow Amausi
Multiple Airlines Logo
10:30 - 08:35PAT  Patna-ORD Chicago O'Hare Intl
32h 35m2 stops New Delhi Indira Gandhi Intl Abu Dhabi Zayed Intl
₹ 101,499Multiple Airlines
Mon, 28 Sep - Mon, 5 Oct
Multiple Airlines Logo
20:25 - 20:45ORD  Chicago O'Hare Intl-PAT Patna
37h 50m2 stops Abu Dhabi Zayed Intl New Delhi Indira Gandhi Intl
Multiple Airlines Logo
08:25 - 08:35PAT  Patna-ORD Chicago O'Hare Intl
34h 40m2 stops New Delhi Indira Gandhi Intl Abu Dhabi Zayed Intl
₹ 101,786Multiple Airlines
Mon, 28 Sep - Mon, 5 Oct
Multiple Airlines Logo
20:25 - 17:45ORD  Chicago O'Hare Intl-PAT Patna
34h 50m3 stops Abu Dhabi Zayed Intl New Delhi Indira Gandhi Intl Lucknow Amausi
Multiple Airlines Logo
15:10 - 08:35PAT  Patna-ORD Chicago O'Hare Intl
51h 55m3 stops Lucknow Amausi New Delhi Indira Gandhi Intl Abu Dhabi Zayed Intl
₹ 102,167Multiple Airlines
Sun, 27 Sep - Sun, 4 Oct
Multiple Airlines Logo
20:25 - 17:45ORD  Chicago O'Hare Intl-PAT Patna
34h 50m3 stops Abu Dhabi Zayed Intl New Delhi Indira Gandhi Intl Lucknow Amausi
Multiple Airlines Logo
15:50 - 15:40PAT  Patna-ORD Chicago O'Hare Intl
58h 20m2 stops New Delhi Indira Gandhi Intl Abu Dhabi Zayed Intl
₹ 102,645Multiple Airlines
Sun, 27 Sep - Sun, 4 Oct
Multiple Airlines Logo
14:00 - 07:00ORD  Chicago O'Hare Intl-PAT Patna
30h 30m3 stops Abu Dhabi Zayed Intl Hyderabad Rajiv Gandhi Intl Mumbai Chhatrapati Shivaji Intl
Multiple Airlines Logo
16:55 - 08:35PAT  Patna-ORD Chicago O'Hare Intl
26h 10m2 stops Kolkata Netaji S. Chandra Abu Dhabi Zayed Intl
₹ 107,228Multiple Airlines
Mon, 28 Sep - Mon, 5 Oct
Multiple Airlines Logo
14:00 - 07:00ORD  Chicago O'Hare Intl-PAT Patna
30h 30m3 stops Abu Dhabi Zayed Intl Hyderabad Rajiv Gandhi Intl Mumbai Chhatrapati Shivaji Intl
Multiple Airlines Logo
11:05 - 08:35PAT  Patna-ORD Chicago O'Hare Intl
32h 00m3 stops Hyderabad Rajiv Gandhi Intl Bengaluru Intl Abu Dhabi Zayed Intl
₹ 108,087Multiple Airlines
Mon, 28 Sep - Mon, 5 Oct
Multiple Airlines Logo
14:00 - 07:00ORD  Chicago O'Hare Intl-PAT Patna
30h 30m3 stops Abu Dhabi Zayed Intl Hyderabad Rajiv Gandhi Intl Mumbai Chhatrapati Shivaji Intl
Multiple Airlines Logo
18:25 - 15:40PAT  Patna-ORD Chicago O'Hare Intl
31h 45m3 stops Ranchi Kolkata Netaji S. Chandra Abu Dhabi Zayed Intl
₹ 108,374Multiple Airlines
Mon, 28 Sep - Mon, 5 Oct

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Customise your flight search to find flights from Chicago to Patna that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 59,053 searches. Data last updated 15 August 2026.
Use the filters below to find and compare flights from Chicago to Patna that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

ChicagoPatna

ORD Chicago O'Hare Intl - PAT Patna

ORDPAT

Chicago O'Hare Intl

Mon 28/9

20:25-13:25

2 stops30h 30m

Patna

Mon 5/10

10:20-08:35

2 stops32h 45m

₹ 93,478

ChicagoPatna

ORD Chicago O'Hare Intl - PAT Patna

ORDPAT

Chicago O'Hare Intl

Sun 27/9

20:25-09:40

2 stops26h 45m

Patna

Sun 4/10

19:10-15:40

2 stops31h 00m

₹ 97,775

ChicagoPatna

ORD Chicago O'Hare Intl - PAT Patna

ORDPAT

Chicago O'Hare Intl

Sat 26/9

20:25-14:50

2 stops31h 55m

Patna

Sat 3/10

19:10-15:40

2 stops31h 00m

₹ 100,353

ChicagoPatna

ORD Chicago O'Hare Intl - PAT Patna

ORDPAT

Chicago O'Hare Intl

Mon 28/9

20:25-17:45

3 stops34h 50m

Patna

Mon 5/10

10:30-08:35

2 stops32h 35m

₹ 101,499

ChicagoPatna

ORD Chicago O'Hare Intl - PAT Patna

ORDPAT

Chicago O'Hare Intl

Mon 28/9

20:25-20:45

2 stops37h 50m

Patna

Mon 5/10

08:25-08:35

2 stops34h 40m

₹ 101,786

ChicagoPatna

ORD Chicago O'Hare Intl - PAT Patna

ORDPAT

Chicago O'Hare Intl

Sun 27/9

20:25-17:45

3 stops34h 50m

Patna

Sun 4/10

15:10-08:35

3 stops51h 55m

₹ 102,167

ChicagoPatna

ORD Chicago O'Hare Intl - PAT Patna

ORDPAT

Chicago O'Hare Intl

Sun 27/9

20:25-17:45

3 stops34h 50m

Patna

Sun 4/10

15:50-15:40

2 stops58h 20m

₹ 102,645
Fastest return journey

ChicagoPatna

ORD Chicago O'Hare Intl - PAT Patna

ORDPAT

Chicago O'Hare Intl

Mon 28/9

14:00-07:00

3 stops30h 30m

Patna

Mon 5/10

16:55-08:35

2 stops26h 10m

₹ 107,228

ChicagoPatna

ORD Chicago O'Hare Intl - PAT Patna

ORDPAT

Chicago O'Hare Intl

Mon 28/9

14:00-07:00

3 stops30h 30m

Patna

Mon 5/10

11:05-08:35

3 stops32h 00m

₹ 108,087

ChicagoPatna

ORD Chicago O'Hare Intl - PAT Patna

ORDPAT

Chicago O'Hare Intl

Mon 28/9

14:00-07:00

3 stops30h 30m

Patna

Mon 5/10

18:25-15:40

3 stops31h 45m

₹ 108,374

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Chicago to Patna

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

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

Air France is the most popular carrier operating from Chicago to Patna

When to book flights from Chicago to Patna

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago to Patna according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Chicago to Patna (CHI to PAT) flight deals and tips

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

Fastest flight time

30h 30m

Direct flights

None
The fastest flight from Chicago to Patna takes 30h 30m
There are no direct flights from Chicago to Patna. There are no popular flight routes from Chicago to Patna.
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Frequently asked questions about flying from Chicago to Patna

  • How far is Chicago to Patna by plane?

    The distance between Chicago and Patna is about 12464.5 km. Flights usually cover this in 30h 30m, depending on flying conditions and air traffic around both airports.

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

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

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

    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 Chicago to Patna Airport.

  • What documentation or ID do you need to fly to Patna Airport?

    The travel and health documents you'll need for your trip to Patna Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Patna Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Why use momondo?

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

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 Patna from Chicago.

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

momondo does allow users to show only those flights to Patna from Chicago which offer a flexible booking policy as well as other useful filters and features.

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?

Yes. momondo can track prices for Chicago 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.

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