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Cheap flights from Chicago O'Hare Intl Airport to Patna from $723

This is the cheapest round-trip 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 2/4. 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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Find the cheapest flights from Chicago O'Hare Intl Airport to Patna

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air India Logo
1:30 pm - 9:40 amORD-PAT
32h 40m1 stop
Air India Logo
4:10 pm - 11:30 amPAT-ORD
54h 50m3 stops
$723Air India
Find Deal
Wed, Feb 4 - Mon, Feb 16
Air India Logo
1:30 pm - 12:35 pmORD-PAT
35h 35m1 stop
Air India Logo
4:10 pm - 11:30 amPAT-ORD
54h 50m3 stops
$726Air India
Find Deal
Wed, Feb 4 - Mon, Feb 16
Air India Logo
1:30 pm - 10:05 amORD-PAT
33h 05m1 stop
Air India Logo
10:25 am - 7:25 amPAT-ORD
31h 30m1 stop
$733Air India
Find Deal
Wed, Jan 14 - Thu, Apr 16
Air India Logo
1:30 pm - 12:30 pmORD-PAT
35h 30m2 stops
Air India Logo
3:30 pm - 7:25 amPAT-ORD
26h 25m1 stop
$735Air India
Find Deal
Wed, Jan 14 - Thu, Apr 16
Air India Logo
1:30 pm - 3:30 pmORD-PAT
38h 30m2 stops
Air India Logo
4:10 pm - 11:30 amPAT-ORD
54h 50m3 stops
$754Air India
Find Deal
Wed, Feb 4 - Mon, Feb 16
Multiple Airlines Logo
1:10 pm - 10:30 amORD-PAT
33h 50m3 stops
Multiple Airlines Logo
4:55 pm - 7:25 amPAT-ORD
25h 00m2 stops
$1,015Multiple Airlines
Find Deal
Wed, Jan 14 - Thu, Apr 16
Multiple Airlines Logo
1:10 pm - 10:30 amORD-PAT
33h 50m3 stops
Multiple Airlines Logo
9:55 am - 7:25 amPAT-ORD
32h 00m3 stops
$1,077Multiple Airlines
Find Deal
Wed, Jan 14 - Thu, Apr 16
IndiGo Logo
11:50 am - 7:35 pmORD-PAT
44h 15m2 stops
IndiGo Logo
11:10 pm - 10:05 amPAT-ORD
46h 25m2 stops
$1,319IndiGo
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Thu, Nov 20 - Thu, Dec 25
IndiGo Logo
11:50 am - 11:15 amORD-PAT
35h 55m2 stops
IndiGo Logo
4:35 pm - 6:25 pmPAT-ORD
37h 20m2 stops
$1,333IndiGo
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Wed, Dec 24 - Wed, Jan 21
Air France Logo
5:10 pm - 7:55 amORD-PAT
28h 15m2 stops
Air France Logo
8:25 pm - 3:00 pmPAT-ORD
29h 05m2 stops
$1,905Air France
Find Deal
Mon, Apr 13 - Wed, Apr 15

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
Nov 20
ORD11:50 amChicago O'Hare Intl
44h 15m
2 stops
PAT7:35 pmPatna
Dec 25
PAT11:10 pmPatna
46h 25m
2 stops
ORD10:05 amChicago O'Hare Intl
$1,319
Find similar
IndiGo
Dec 24
ORD11:50 amChicago O'Hare Intl
35h 55m
2 stops
PAT11:15 amPatna
Jan 21
PAT4:35 pmPatna
37h 20m
2 stops
ORD6:25 pmChicago O'Hare Intl
$1,333
Find similar
IndiGo
Dec 21
ORD11:50 amChicago O'Hare Intl
34h 50m
2 stops
PAT10:10 amPatna
Jan 3
PAT11:10 pmPatna
46h 25m
2 stops
ORD10:05 amChicago O'Hare Intl
$2,664
Find similar

Air India flights from Chicago O'Hare Intl Airport to Patna

Our best Air India deals on Chicago O'Hare Intl Airport to Patna flight tickets
Air India
Feb 4
ORD1:30 pmChicago O'Hare Intl
32h 40m
1 stop
PAT9:40 amPatna
Feb 16
PAT4:10 pmPatna
54h 50m
3 stops
ORD11:30 amChicago O'Hare Intl
$723
Find similar
Air India
Feb 4
ORD1:30 pmChicago O'Hare Intl
35h 35m
1 stop
PAT12:35 pmPatna
Feb 16
PAT4:10 pmPatna
54h 50m
3 stops
ORD11:30 amChicago O'Hare Intl
$726
Find similar
Air India
Jan 14
ORD1:30 pmChicago O'Hare Intl
33h 05m
1 stop
PAT10:05 amPatna
Apr 16
PAT10:25 amPatna
31h 30m
1 stop
ORD7:25 amChicago O'Hare Intl
$733
Find similar

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated November 6, 2025.
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

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Wed 2/4

1:30 pm-9:40 am

1 stop32h 40m

Patna

Mon 2/16

4:10 pm-11:30 am

3 stops54h 50m

$723

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Wed 2/4

1:30 pm-12:35 pm

1 stop35h 35m

Patna

Mon 2/16

4:10 pm-11:30 am

3 stops54h 50m

$726

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Wed 1/14

1:30 pm-10:05 am

1 stop33h 05m

Patna

Thu 4/16

10:25 am-7:25 am

1 stop31h 30m

$733

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Wed 1/14

1:30 pm-12:30 pm

2 stops35h 30m

Patna

Thu 4/16

3:30 pm-7:25 am

1 stop26h 25m

$735

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Wed 2/4

1:30 pm-3:30 pm

2 stops38h 30m

Patna

Mon 2/16

4:10 pm-11:30 am

3 stops54h 50m

$754

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Wed 1/14

1:10 pm-10:30 am

3 stops33h 50m

Patna

Thu 4/16

4:55 pm-7:25 am

2 stops25h 00m

$1,015

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Wed 1/14

1:10 pm-10:30 am

3 stops33h 50m

Patna

Thu 4/16

9:55 am-7:25 am

3 stops32h 00m

$1,077

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Thu 11/20

11:50 am-7:35 pm

2 stops44h 15m

Patna

Thu 12/25

11:10 pm-10:05 am

2 stops46h 25m

$1,319

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Wed 12/24

11:50 am-11:15 am

2 stops35h 55m

Patna

Wed 1/21

4:35 pm-6:25 pm

2 stops37h 20m

$1,333

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Mon 4/13

5:10 pm-7:55 am

2 stops28h 15m

Patna

Wed 4/15

8:25 pm-3:00 pm

2 stops29h 05m

$1,905

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Patna from

How to get the cheapest flight ticket from Chicago O'Hare Intl Airport to Patna

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Patna?

Our data shows that Saturday is the least expensive day to fly to Patna. Tickets to fly out on this day can be as low as $1,178. The most expensive day to fly to Patna is Tuesday, with ticket prices averaging around $1,749.

What is the cheapest time of day to depart on your flight to Patna?

Our most recent data shows that the best time of day to fly to Patna is in the evening. Flights from Chicago O'Hare Intl Airport to Patna during this time can be as low as $1,308. Try not to purchase tickets in the morning because they tend to be around $1,319. Of course, these prices can vary depending on the time of year and what airport you fly to.

Can stopping save me money on Chicago O'Hare Intl Airport to Patna flights?

You could potentially save up to 21% on your flight if you consider stops on a Chicago O'Hare Intl Airport to Patna flight.

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 round-trip 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

Direct flights

None
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

  • How far is Chicago O'Hare Intl to Patna by plane?

    Patna is 7739.7 mi away from Chicago O'Hare Intl. A reasonable flight in good conditions will take 20h 00m.

  • 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 are updated daily.

  • How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Patna Airport?

  • How old do you have to be to fly from Chicago O'Hare Intl Airport to Patna Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, 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 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.

  • What is the most popular airline from Chicago O'Hare Intl Airport to Patna?

Best airlines flying from Chicago O'Hare Intl Airport to Patna

Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Patna with momondo
Airline
Rating
Free Cancellation
Price
Air IndiaPriceFrom $854Free CancellationRating
5.5
2,941 reviews
Search Air India flights

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?

All flight searches from Chicago to Patna on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Chicago to Patna?

momondo provides multiple filters to help you find the best flight to Patna from Chicago. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Chicago to Patna right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Chicago to Patna flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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