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Cheap flights from Chicago to Patna from ₹ 84,944

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to Patna departing on 22/4. 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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Cheap return flights

Enter your travel dates to find the best prices.
Air India Logo
13:10 - 12:35
ORD
-
PAT
36h 55m
1 stop
Air India Logo
16:35 - 11:10
PAT
-
ORD
53h 05m
3 stops
₹ 84,944Air India
Wed, 22 Apr - Mon, 4 May
Multiple Airlines Logo
13:10 - 09:40
ORD
-
PAT
34h 00m
1 stop
Multiple Airlines Logo
16:55 - 08:35
PAT
-
ORD
50h 10m
2 stops
₹ 85,669Multiple Airlines
Wed, 22 Apr - Mon, 4 May
Air India Logo
13:10 - 12:30
ORD
-
PAT
36h 50m
2 stops
Air India Logo
16:35 - 11:10
PAT
-
ORD
53h 05m
3 stops
₹ 91,109Air India
Wed, 22 Apr - Mon, 4 May
Multiple Airlines Logo
13:30 - 20:45
ORD
-
PAT
19h 45m
1 stop
Multiple Airlines Logo
09:10 - 08:35
PAT
-
ORD
33h 55m
2 stops
₹ 102,984Multiple Airlines
Fri, 6 Mar - Sun, 15 Mar
IndiGo Logo
11:50 - 11:15
ORD
-
PAT
35h 55m
2 stops
IndiGo Logo
14:55 - 19:25
PAT
-
ORD
39h 00m
2 stops
₹ 104,344IndiGo
Wed, 25 Feb - Thu, 12 Mar
IndiGo Logo
20:20 - 20:35
ORD
-
PAT
36h 45m
2 stops
IndiGo Logo
21:15 - 19:25
PAT
-
ORD
32h 40m
2 stops
₹ 105,069IndiGo
Fri, 6 Mar - Sun, 15 Mar
Multiple Airlines Logo
13:55 - 10:30
ORD
-
PAT
33h 05m
3 stops
Multiple Airlines Logo
17:45 - 15:45
PAT
-
ORD
32h 30m
2 stops
₹ 109,330Multiple Airlines
Fri, 6 Mar - Sun, 15 Mar
Multiple Airlines Logo
11:25 - 09:50
ORD
-
PAT
35h 55m
2 stops
Multiple Airlines Logo
16:35 - 11:10
PAT
-
ORD
53h 05m
3 stops
₹ 109,965Multiple Airlines
Wed, 22 Apr - Mon, 4 May
Air India Logo
13:30 - 14:40
ORD
-
PAT
37h 40m
1 stop
Air India Logo
21:15 - 22:56
PAT
-
ORD
36h 11m
2 stops
₹ 111,053Air India
Wed, 25 Feb - Thu, 12 Mar
Multiple Airlines Logo
15:55 - 10:30
ORD
-
PAT
31h 05m
3 stops
Multiple Airlines Logo
16:00 - 15:45
PAT
-
ORD
34h 15m
3 stops
₹ 112,322Multiple Airlines
Fri, 6 Mar - Sun, 15 Mar

Air India flights from Chicago to Patna

Our best Air India deals on Chicago to Patna flight tickets
Air India
22 Apr
ORD13:10Chicago O'Hare Intl
36h 55m
1 stop
PAT12:35Patna
4 May
PAT16:35Patna
53h 05m
3 stops
ORD11:10Chicago O'Hare Intl
₹ 84,944
Air India
22 Apr
ORD13:10Chicago O'Hare Intl
36h 50m
2 stops
PAT12:30Patna
4 May
PAT16:35Patna
53h 05m
3 stops
ORD11:10Chicago O'Hare Intl
₹ 91,109
Air India
25 Feb
ORD13:30Chicago O'Hare Intl
37h 40m
1 stop
PAT14:40Patna
12 Mar
PAT21:15Patna
36h 11m
2 stops
ORD22:56Chicago O'Hare Intl
₹ 111,053

IndiGo flights from Chicago to Patna

Our best IndiGo deals on Chicago to Patna flight tickets
IndiGo
11 Feb
ORD11:50Chicago O'Hare Intl
38h 50m
2 stops
PAT14:10Patna
17 Feb
PAT23:10Patna
46h 25m
2 stops
ORD10:05Chicago O'Hare Intl
₹ 96,185
IndiGo
25 Feb
ORD11:50Chicago O'Hare Intl
35h 55m
2 stops
PAT11:15Patna
12 Mar
PAT14:55Patna
39h 00m
2 stops
ORD19:25Chicago O'Hare Intl
₹ 104,344
IndiGo
6 Mar
ORD20:20Chicago O'Hare Intl
36h 45m
2 stops
PAT20:35Patna
15 Mar
PAT21:15Patna
32h 40m
2 stops
ORD19:25Chicago O'Hare Intl
₹ 105,069

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 10 February 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

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Wed 22/4

13:10-12:35

1 stop36h 55m

Patna

Mon 4/5

16:35-11:10

3 stops53h 05m

₹ 84,944

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Wed 22/4

13:10-09:40

1 stop34h 00m

Patna

Mon 4/5

16:55-08:35

2 stops50h 10m

₹ 85,669

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Wed 22/4

13:10-12:30

2 stops36h 50m

Patna

Mon 4/5

16:35-11:10

3 stops53h 05m

₹ 91,109

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Fri 6/3

13:30-20:45

1 stop19h 45m

Patna

Sun 15/3

09:10-08:35

2 stops33h 55m

₹ 102,984

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Wed 25/2

11:50-11:15

2 stops35h 55m

Patna

Thu 12/3

14:55-19:25

2 stops39h 00m

₹ 104,344

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Fri 6/3

20:20-20:35

2 stops36h 45m

Patna

Sun 15/3

21:15-19:25

2 stops32h 40m

₹ 105,069

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Fri 6/3

13:55-10:30

3 stops33h 05m

Patna

Sun 15/3

17:45-15:45

2 stops32h 30m

₹ 109,330

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Wed 22/4

11:25-09:50

2 stops35h 55m

Patna

Mon 4/5

16:35-11:10

3 stops53h 05m

₹ 109,965

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Wed 25/2

13:30-14:40

1 stop37h 40m

Patna

Thu 12/3

21:15-22:56

2 stops36h 11m

₹ 111,053

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Fri 6/3

15:55-10:30

3 stops31h 05m

Patna

Sun 15/3

16:00-15:45

3 stops34h 15m

₹ 112,322

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

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 45m

Direct flights

None
The fastest flight from Chicago to Patna takes 30h 45m
There are no direct flights from Chicago to Patna. There are no popular flight routes from Chicago to Patna.
Search flight deals

  • 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 45m, 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.

  • 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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