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Cheap flights from Chicago O'Hare Intl Airport 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 O'Hare Intl Airport 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 O'Hare Intl Airport 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 O'Hare Intl Airport 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 O'Hare Intl Airport 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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See travel insights to Patna from

How to get the cheapest flight ticket from Chicago O'Hare Intl Airport 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 O'Hare Intl to Patna?

Air France is the most popular carrier operating from Chicago O'Hare Intl to Patna

When to book flights from Chicago O'Hare Intl Airport to Patna

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

Cheap Chicago O'Hare Intl Airport to Patna (ORD to PAT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Patna

Fastest flight time

25h 30m

Direct flights

None
The fastest flight from Chicago O'Hare Intl Airport to Patna takes 25h 30m
There are no direct flights from Chicago O'Hare Intl Airport to Patna. There are no popular flight routes from Chicago O'Hare Intl Airport to Patna.
Search flight deals

Frequently asked questions about flying from Chicago O'Hare Intl Airport to Patna

  • How far is Chicago O'Hare Intl to Patna by plane?

    Chicago O'Hare Intl and Patna are 12455.8 km apart from one another. In terms of flight time, this usually takes a little over 25h 30m.

  • When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Patna Airport?

    Prices for flights from Chicago O'Hare Intl Airport to Patna Airport refresh daily.

  • How old do you have to be to fly from Chicago O'Hare Intl Airport to Patna Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago O'Hare Intl Airport 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.

Why use momondo?

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

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

Yes. momondo enables you to select and highlight flights to Patna from Chicago with this policy.

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?

If you are not ready to book a flight from Chicago to Patna now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Patna and let you know when they change.

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