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Cheap flights from Chicago to Patna from ₹ 61,484

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 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.
1 adult

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Find the cheapest flights from Chicago to Patna

Cheap return flights

Enter your travel dates to find the best prices.
British Airways Logo
17:50 - 12:45
ORD
-
PAT
32h 25m
2 stops
British Airways Logo
20:55 - 17:35
PAT
-
ORD
31h 10m
2 stops
₹ 130,785British Airways
Thu, 17 Sep - Mon, 21 Sep
British Airways Logo
17:50 - 12:45
ORD
-
PAT
32h 25m
2 stops
British Airways Logo
18:35 - 17:35
PAT
-
ORD
33h 30m
2 stops
₹ 130,882British 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
₹ 142,947Multiple 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
₹ 143,236Multiple Airlines
Mon, 29 Jun - Mon, 6 Jul
British Airways Logo
18:00 - 20:20
ORD
-
PAT
39h 50m
2 stops
British Airways Logo
20:55 - 12:30
PAT
-
ORD
26h 05m
2 stops
₹ 149,896British Airways
Wed, 24 Jun - Wed, 8 Jul
British Airways Logo
18:00 - 20:20
ORD
-
PAT
39h 50m
2 stops
British Airways Logo
20:55 - 12:30
PAT
-
ORD
26h 05m
2 stops
₹ 153,178British Airways
Wed, 24 Jun - Fri, 10 Jul
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
₹ 153,275British 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
₹ 155,977British Airways
Wed, 10 Jun - Thu, 9 Jul
IndiGo Logo
11:25 - 11:45
ORD
-
PAT
37h 50m
2 stops
IndiGo Logo
22:10 - 09:40
PAT
-
ORD
46h 00m
2 stops
₹ 164,471IndiGo
Thu, 2 Jul - Thu, 9 Jul
Multiple Airlines Logo
20:20 - 17:40
ORD
-
PAT
33h 50m
2 stops
Multiple Airlines Logo
13:15 - 18:25
PAT
-
ORD
40h 40m
2 stops
₹ 164,761Multiple Airlines
Wed, 11 Nov - Tue, 24 Nov

British Airways flights from Chicago to Patna

Our best British Airways deals on Chicago to Patna flight tickets
British Airways
17 Sept
ORD17:50Chicago O'Hare Intl
32h 25m
2 stops
PAT12:45Patna
21 Sept
PAT20:55Patna
31h 10m
2 stops
ORD17:35Chicago O'Hare Intl
₹ 130,785
British Airways
17 Sept
ORD17:50Chicago O'Hare Intl
32h 25m
2 stops
PAT12:45Patna
21 Sept
PAT18:35Patna
33h 30m
2 stops
ORD17:35Chicago O'Hare Intl
₹ 130,882
British Airways
24 Jun
ORD18:00Chicago O'Hare Intl
39h 50m
2 stops
PAT20:20Patna
8 Jul
PAT20:55Patna
26h 05m
2 stops
ORD12:30Chicago O'Hare Intl
₹ 149,896

Malaysia Airlines flights from Chicago to Patna

Our best Malaysia Airlines deals on Chicago to Patna flight tickets
Malaysia Airlines
11 Nov
ORD18:50Chicago O'Hare Intl
35h 20m
3 stops
PAT17:40Patna
24 Nov
PAT08:30Patna
40h 35m
3 stops
ORD13:35Chicago O'Hare Intl
₹ 353,458
Malaysia Airlines
11 Nov
ORD18:50Chicago O'Hare Intl
35h 20m
3 stops
PAT17:40Patna
24 Nov
PAT08:30Patna
40h 35m
3 stops
ORD13:35Chicago O'Hare Intl
₹ 354,327
Malaysia Airlines
24 Jun
ORD18:00Chicago O'Hare Intl
37h 30m
3 stops
PAT18:00Patna
10 Jul
PAT08:20Patna
33h 55m
3 stops
ORD07:45Chicago O'Hare Intl
₹ 415,810

momondo Fare Finder

 
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 20 May 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
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

20:55-17:35

2 stops31h 10m

₹ 130,785

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Thu 17/9

17:50-12:45

2 stops32h 25m

Patna

Mon 21/9

18:35-17:35

2 stops33h 30m

₹ 130,882

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

₹ 142,947

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

₹ 143,236

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Wed 24/6

18:00-20:20

2 stops39h 50m

Patna

Wed 8/7

20:55-12:30

2 stops26h 05m

₹ 149,896

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Wed 24/6

18:00-20:20

2 stops39h 50m

Patna

Fri 10/7

20:55-12:30

2 stops26h 05m

₹ 153,178

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

₹ 153,275

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

₹ 155,977

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Thu 2/7

11:25-11:45

2 stops37h 50m

Patna

Thu 9/7

22:10-09:40

2 stops46h 00m

₹ 164,471

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Wed 11/11

20:20-17:40

2 stops33h 50m

Patna

Tue 24/11

13:15-18:25

2 stops40h 40m

₹ 164,761

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 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

32h 25m

Direct flights

None
The fastest flight from Chicago to Patna takes 32h 25m
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 32h 25m, 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.

Frequently asked questions about flying from Chicago to Patna

  • How do I get Price Alerts for flights from Chicago to Patna?

    Price Alerts will notify you by email when the price for flights to Patna from Chicago decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

  • How can I save money on flights from Chicago 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?

    We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

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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