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Cheap flights from Chicago O'Hare Intl Airport to Patna from ₹ 61,092

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 12/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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
18:50 - 17:40
ORD
-
PAT
36h 20m
2 stops
Multiple Airlines Logo
23:10 - 14:30
PAT
-
ORD
50h 50m
2 stops
₹ 98,016Multiple Airlines
Mon, 26 Oct - Mon, 30 Nov
Multiple Airlines Logo
18:50 - 07:55
ORD
-
PAT
26h 35m
2 stops
Multiple Airlines Logo
15:05 - 14:30
PAT
-
ORD
58h 55m
3 stops
₹ 116,526Multiple Airlines
Mon, 26 Oct - Mon, 30 Nov
Multiple Airlines Logo
21:10 - 20:20
ORD
-
PAT
36h 40m
2 stops
Multiple Airlines Logo
08:20 - 15:40
PAT
-
ORD
41h 50m
2 stops
₹ 117,677Multiple Airlines
Wed, 24 Jun - Fri, 10 Jul
British Airways Logo
17:50 - 12:45
ORD
-
PAT
32h 25m
2 stops
British Airways Logo
18:35 - 12:30
PAT
-
ORD
28h 25m
2 stops
₹ 130,049British Airways
Thu, 17 Sep - Mon, 21 Sep
British Airways Logo
17:50 - 15:15
ORD
-
PAT
34h 55m
2 stops
British Airways Logo
18:35 - 12:30
PAT
-
ORD
28h 25m
2 stops
₹ 130,145British Airways
Thu, 17 Sep - Mon, 21 Sep
Multiple Airlines Logo
19:20 - 20:20
ORD
-
PAT
38h 30m
2 stops
Multiple Airlines Logo
22:10 - 15:05
PAT
-
ORD
51h 25m
2 stops
₹ 142,037Multiple Airlines
Mon, 29 Jun - Mon, 6 Jul
Multiple Airlines Logo
19:20 - 15:15
ORD
-
PAT
33h 25m
2 stops
Multiple Airlines Logo
12:55 - 15:05
PAT
-
ORD
60h 40m
3 stops
₹ 142,325Multiple Airlines
Mon, 29 Jun - Mon, 6 Jul
Multiple Airlines Logo
14:30 - 09:40
ORD
-
PAT
32h 40m
1 stop
Multiple Airlines Logo
19:10 - 14:30
PAT
-
ORD
54h 50m
2 stops
₹ 150,957Multiple Airlines
Mon, 26 Oct - Mon, 30 Nov
British Airways Logo
18:00 - 12:45
ORD
-
PAT
32h 15m
2 stops
British Airways Logo
18:35 - 17:35
PAT
-
ORD
57h 30m
2 stops
₹ 152,299British Airways
Wed, 24 Jun - Fri, 10 Jul
British Airways Logo
18:00 - 20:20
ORD
-
PAT
39h 50m
2 stops
British Airways Logo
18:35 - 15:00
PAT
-
ORD
30h 55m
2 stops
₹ 154,985British Airways
Wed, 10 Jun - Thu, 9 Jul

British Airways flights from Chicago O'Hare Intl Airport to Patna

Our best British Airways deals on Chicago O'Hare Intl Airport to Patna flight tickets
British Airways
17 Sept
ORD17:50Chicago O'Hare Intl
32h 25m
2 stops
PAT12:45Patna
21 Sept
PAT18:35Patna
28h 25m
2 stops
ORD12:30Chicago O'Hare Intl
₹ 130,049
British Airways
17 Sept
ORD17:50Chicago O'Hare Intl
34h 55m
2 stops
PAT15:15Patna
21 Sept
PAT18:35Patna
28h 25m
2 stops
ORD12:30Chicago O'Hare Intl
₹ 130,145
British Airways
24 Jun
ORD18:00Chicago O'Hare Intl
32h 15m
2 stops
PAT12:45Patna
10 Jul
PAT18:35Patna
57h 30m
2 stops
ORD17:35Chicago O'Hare Intl
₹ 152,299

IndiGo flights from Chicago O'Hare Intl Airport to Patna

Our best IndiGo deals on Chicago O'Hare Intl Airport to Patna flight tickets
IndiGo
24 Jun
ORD20:10Chicago O'Hare Intl
38h 45m
2 stops
PAT21:25Patna
8 Jul
PAT20:55Patna
47h 15m
2 stops
ORD09:40Chicago O'Hare Intl
₹ 157,095
IndiGo
24 Jun
ORD11:25Chicago O'Hare Intl
38h 50m
2 stops
PAT12:45Patna
10 Jul
PAT20:55Patna
47h 15m
2 stops
ORD09:40Chicago O'Hare Intl
₹ 164,000

momondo Fare Finder

 
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 17 May 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 - PAT

ORDPAT

Chicago O'Hare Intl

Mon 26/10

18:50-17:40

2 stops36h 20m

Patna

Mon 30/11

23:10-14:30

2 stops50h 50m

₹ 98,016

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Mon 26/10

18:50-07:55

2 stops26h 35m

Patna

Mon 30/11

15:05-14:30

3 stops58h 55m

₹ 116,526

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Wed 24/6

21:10-20:20

2 stops36h 40m

Patna

Fri 10/7

08:20-15:40

2 stops41h 50m

₹ 117,677
Fastest return journey

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Thu 17/9

17:50-12:45

2 stops32h 25m

Patna

Mon 21/9

18:35-12:30

2 stops28h 25m

₹ 130,049

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Thu 17/9

17:50-15:15

2 stops34h 55m

Patna

Mon 21/9

18:35-12:30

2 stops28h 25m

₹ 130,145

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Mon 29/6

19:20-20:20

2 stops38h 30m

Patna

Mon 6/7

22:10-15:05

2 stops51h 25m

₹ 142,037

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Mon 29/6

19:20-15:15

2 stops33h 25m

Patna

Mon 6/7

12:55-15:05

3 stops60h 40m

₹ 142,325

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Mon 26/10

14:30-09:40

1 stop32h 40m

Patna

Mon 30/11

19:10-14:30

2 stops54h 50m

₹ 150,957

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Wed 24/6

18:00-12:45

2 stops32h 15m

Patna

Fri 10/7

18:35-17:35

2 stops57h 30m

₹ 152,299

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Wed 10/6

18:00-20:20

2 stops39h 50m

Patna

Thu 9/7

18:35-15:00

2 stops30h 55m

₹ 154,985

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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

24h 40m

Direct flights

None
The fastest flight from Chicago O'Hare Intl Airport to Patna takes 24h 40m
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 24h 40m.

  • 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.

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

  • How do I get Price Alerts for flights from Chicago O'Hare Intl Airport to Patna?

    Confirm your travel details to search for the latest offers for flights from Chicago O'Hare Intl Airport to Patna. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

  • How can I save money on flights from Chicago O'Hare Intl Airport to Patna with momondo?

    Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

  • How does momondo find its flight prices?

    momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

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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