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Cheap flights from Chicago to Patna from ₹ 108,719

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 15/5. 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 to Patna

Cheap return flights

Enter your travel dates to find the best prices.
Air India Logo
13:10 - 12:55
ORD
-
PAT
37h 15m
1 stop
Air India Logo
21:45 - 11:10
PAT
-
ORD
23h 55m
2 stops
₹ 108,719Air India
Fri, 15 May - Sun, 31 May
Multiple Airlines Logo
14:00 - 13:25
ORD
-
PAT
36h 55m
2 stops
Multiple Airlines Logo
15:20 - 08:35
PAT
-
ORD
27h 45m
2 stops
₹ 114,926Multiple Airlines
Fri, 15 May - Sun, 31 May
Air India Logo
13:10 - 12:30
ORD
-
PAT
36h 50m
2 stops
Air India Logo
21:45 - 11:10
PAT
-
ORD
23h 55m
2 stops
₹ 120,287Air India
Fri, 15 May - Sun, 31 May
Air India Logo
13:10 - 21:10
ORD
-
PAT
21h 30m
1 stop
Air India Logo
13:25 - 11:10
PAT
-
ORD
32h 15m
2 stops
₹ 126,024Air India
Mon, 22 Jun - Tue, 7 Jul
Multiple Airlines Logo
06:00 - 21:10
ORD
-
PAT
28h 40m
2 stops
Multiple Airlines Logo
13:25 - 11:10
PAT
-
ORD
32h 15m
2 stops
₹ 130,726Multiple Airlines
Mon, 22 Jun - Tue, 7 Jul
Air India Logo
13:10 - 13:25
ORD
-
PAT
61h 45m
3 stops
Air India Logo
21:45 - 11:10
PAT
-
ORD
23h 55m
2 stops
₹ 138,626Air India
Fri, 15 May - Sun, 31 May
Multiple Airlines Logo
14:00 - 09:40
ORD
-
PAT
33h 10m
3 stops
Multiple Airlines Logo
15:40 - 08:35
PAT
-
ORD
27h 25m
2 stops
₹ 140,884Multiple Airlines
Fri, 15 May - Sun, 31 May
British Airways Logo
17:50 - 15:15
ORD
-
PAT
34h 55m
2 stops
British Airways Logo
20:55 - 15:00
PAT
-
ORD
28h 35m
2 stops
₹ 142,576British Airways
Thu, 24 Sep - Mon, 28 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
₹ 142,671British Airways
Thu, 24 Sep - Mon, 28 Sep
Multiple Airlines Logo
06:00 - 21:10
ORD
-
PAT
28h 40m
2 stops
Multiple Airlines Logo
14:00 - 11:10
PAT
-
ORD
31h 40m
3 stops
₹ 147,655Multiple Airlines
Mon, 22 Jun - Tue, 7 Jul

British Airways flights from Chicago to Patna

Our best British Airways deals on Chicago to Patna flight tickets
British Airways
24 Sept
ORD17:50Chicago O'Hare Intl
34h 55m
2 stops
PAT15:15Patna
28 Sept
PAT20:55Patna
28h 35m
2 stops
ORD15:00Chicago O'Hare Intl
₹ 142,576
British Airways
24 Sept
ORD17:50Chicago O'Hare Intl
32h 25m
2 stops
PAT12:45Patna
28 Sept
PAT18:35Patna
33h 30m
2 stops
ORD17:35Chicago O'Hare Intl
₹ 142,671
British Airways
9 Sept
ORD17:50Chicago O'Hare Intl
32h 25m
2 stops
PAT12:45Patna
13 Sept
PAT20:55Patna
31h 10m
2 stops
ORD17:35Chicago O'Hare Intl
₹ 149,630

Air India flights from Chicago to Patna

Our best Air India deals on Chicago to Patna flight tickets
Air India
15 May
ORD13:10Chicago O'Hare Intl
37h 15m
1 stop
PAT12:55Patna
31 May
PAT21:45Patna
23h 55m
2 stops
ORD11:10Chicago O'Hare Intl
₹ 108,719
Air India
15 May
ORD13:10Chicago O'Hare Intl
36h 50m
2 stops
PAT12:30Patna
31 May
PAT21:45Patna
23h 55m
2 stops
ORD11:10Chicago O'Hare Intl
₹ 120,287
Air India
22 Jun
ORD13:10Chicago O'Hare Intl
21h 30m
1 stop
PAT21:10Patna
7 Jul
PAT13:25Patna
32h 15m
2 stops
ORD11:10Chicago O'Hare Intl
₹ 126,024

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 24 April 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 - PAT

ORDPAT

Chicago O'Hare Intl

Fri 15/5

13:10-12:55

1 stop37h 15m

Patna

Sun 31/5

21:45-11:10

2 stops23h 55m

₹ 108,719

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Fri 15/5

14:00-13:25

2 stops36h 55m

Patna

Sun 31/5

15:20-08:35

2 stops27h 45m

₹ 114,926

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Fri 15/5

13:10-12:30

2 stops36h 50m

Patna

Sun 31/5

21:45-11:10

2 stops23h 55m

₹ 120,287
Fastest return journey

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Mon 22/6

13:10-21:10

1 stop21h 30m

Patna

Tue 7/7

13:25-11:10

2 stops32h 15m

₹ 126,024

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Mon 22/6

06:00-21:10

2 stops28h 40m

Patna

Tue 7/7

13:25-11:10

2 stops32h 15m

₹ 130,726

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Fri 15/5

13:10-13:25

3 stops61h 45m

Patna

Sun 31/5

21:45-11:10

2 stops23h 55m

₹ 138,626

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Fri 15/5

14:00-09:40

3 stops33h 10m

Patna

Sun 31/5

15:40-08:35

2 stops27h 25m

₹ 140,884

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Thu 24/9

17:50-15:15

2 stops34h 55m

Patna

Mon 28/9

20:55-15:00

2 stops28h 35m

₹ 142,576

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Thu 24/9

17:50-12:45

2 stops32h 25m

Patna

Mon 28/9

18:35-17:35

2 stops33h 30m

₹ 142,671

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Mon 22/6

06:00-21:10

2 stops28h 40m

Patna

Tue 7/7

14:00-11:10

3 stops31h 40m

₹ 147,655

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

34h 55m

Direct flights

None
The fastest flight from Chicago to Patna takes 34h 55m
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 34h 55m, 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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