Latest deals
When to book
FAQs
Price Alerts

Cheap flights from Chicago to Patna from ₹ 111,417

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 21/6. 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

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Early arrival? Instantly customie your results

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Chicago to Patna

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
14:00 - 07:55
ORD
-
PAT
31h 25m
2 stops
Multiple Airlines Logo
22:10 - 15:40
PAT
-
ORD
28h 00m
2 stops
₹ 111,417Multiple Airlines
Sun, 21 Jun - Tue, 7 Jul
Air India Logo
13:10 - 21:10
ORD
-
PAT
21h 30m
1 stop
Air India Logo
20:05 - 11:10
PAT
-
ORD
49h 35m
3 stops
₹ 119,477Air India
Mon, 29 Jun - Mon, 13 Jul
Air India Logo
13:10 - 21:10
ORD
-
PAT
21h 30m
1 stop
Air India Logo
21:45 - 11:10
PAT
-
ORD
23h 55m
2 stops
₹ 119,572Air India
Sun, 21 Jun - Tue, 7 Jul
Air India Logo
13:10 - 07:30
ORD
-
PAT
31h 50m
1 stop
Air India Logo
13:00 - 11:10
PAT
-
ORD
56h 40m
3 stops
₹ 127,727Air India
Mon, 29 Jun - Mon, 13 Jul
Air India Logo
13:10 - 21:10
ORD
-
PAT
21h 30m
1 stop
Air India Logo
20:05 - 11:10
PAT
-
ORD
49h 35m
3 stops
₹ 131,520Air India
Mon, 29 Jun - Mon, 13 Jul
Multiple Airlines Logo
21:10 - 09:50
ORD
-
PAT
26h 10m
2 stops
Multiple Airlines Logo
20:55 - 08:35
PAT
-
ORD
46h 10m
2 stops
₹ 133,890Multiple Airlines
Tue, 16 Jun - Tue, 23 Jun
Air India Logo
13:10 - 07:00
ORD
-
PAT
31h 20m
2 stops
Air India Logo
13:00 - 11:10
PAT
-
ORD
56h 40m
3 stops
₹ 137,494Air India
Mon, 29 Jun - Mon, 13 Jul
Air India Logo
13:10 - 19:35
ORD
-
PAT
43h 55m
2 stops
Air India Logo
20:05 - 11:10
PAT
-
ORD
49h 35m
3 stops
₹ 140,054Air India
Mon, 29 Jun - Mon, 13 Jul
British Airways Logo
17:50 - 20:20
ORD
-
PAT
40h 00m
2 stops
British Airways Logo
20:55 - 12:30
PAT
-
ORD
26h 05m
2 stops
₹ 143,752British Airways
Wed, 9 Sep - Sun, 13 Sep
Air India Logo
13:10 - 07:00
ORD
-
PAT
31h 20m
2 stops
Air India Logo
20:05 - 11:10
PAT
-
ORD
49h 35m
3 stops
₹ 144,510Air India
Mon, 29 Jun - Mon, 13 Jul

British Airways flights from Chicago to Patna

Our best British Airways deals on Chicago to Patna flight tickets
British Airways
9 Sept
ORD17:50Chicago O'Hare Intl
40h 00m
2 stops
PAT20:20Patna
13 Sept
PAT20:55Patna
26h 05m
2 stops
ORD12:30Chicago O'Hare Intl
₹ 143,752
British Airways
10 Sept
ORD17:50Chicago O'Hare Intl
32h 25m
2 stops
PAT12:45Patna
14 Sept
PAT18:35Patna
28h 25m
2 stops
ORD12:30Chicago O'Hare Intl
₹ 155,605

Air India flights from Chicago to Patna

Our best Air India deals on Chicago to Patna flight tickets
Air India
29 Jun
ORD13:10Chicago O'Hare Intl
21h 30m
1 stop
PAT21:10Patna
13 Jul
PAT20:05Patna
49h 35m
3 stops
ORD11:10Chicago O'Hare Intl
₹ 119,477
Air India
21 Jun
ORD13:10Chicago O'Hare Intl
21h 30m
1 stop
PAT21:10Patna
7 Jul
PAT21:45Patna
23h 55m
2 stops
ORD11:10Chicago O'Hare Intl
₹ 119,572
Air India
29 Jun
ORD13:10Chicago O'Hare Intl
31h 50m
1 stop
PAT07:30Patna
13 Jul
PAT13:00Patna
56h 40m
3 stops
ORD11:10Chicago O'Hare Intl
₹ 127,727

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 4 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

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Sun 21/6

14:00-07:55

2 stops31h 25m

Patna

Tue 7/7

22:10-15:40

2 stops28h 00m

₹ 111,417

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Mon 29/6

13:10-21:10

1 stop21h 30m

Patna

Mon 13/7

20:05-11:10

3 stops49h 35m

₹ 119,477
Fastest return journey

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Sun 21/6

13:10-21:10

1 stop21h 30m

Patna

Tue 7/7

21:45-11:10

2 stops23h 55m

₹ 119,572

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Mon 29/6

13:10-07:30

1 stop31h 50m

Patna

Mon 13/7

13:00-11:10

3 stops56h 40m

₹ 127,727

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Mon 29/6

13:10-21:10

1 stop21h 30m

Patna

Mon 13/7

20:05-11:10

3 stops49h 35m

₹ 131,520

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Tue 16/6

21:10-09:50

2 stops26h 10m

Patna

Tue 23/6

20:55-08:35

2 stops46h 10m

₹ 133,890

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Mon 29/6

13:10-07:00

2 stops31h 20m

Patna

Mon 13/7

13:00-11:10

3 stops56h 40m

₹ 137,494

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Mon 29/6

13:10-19:35

2 stops43h 55m

Patna

Mon 13/7

20:05-11:10

3 stops49h 35m

₹ 140,054

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Wed 9/9

17:50-20:20

2 stops40h 00m

Patna

Sun 13/9

20:55-12:30

2 stops26h 05m

₹ 143,752

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Mon 29/6

13:10-07:00

2 stops31h 20m

Patna

Mon 13/7

20:05-11:10

3 stops49h 35m

₹ 144,510

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

31h 25m

Direct flights

None
The fastest flight from Chicago to Patna takes 31h 25m
There are no direct flights from Chicago to Patna. There are no popular flight routes from Chicago to Patna.
Search flight deals

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 31h 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.

An easier way to manage your Patna trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Wed 3/6
Wed 10/6
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to India

Airports servicing Bihar

Gaya Airport