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Cheap flights from Chicago to Patna from $762

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 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 to Patna

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air India Logo
1:30 pm - 12:35 pm
ORD
-
PAT
35h 35m1 stop
Air India Logo
1:05 pm - 11:30 am
PAT
-
ORD
57h 55m3 stops
$762Air India
Wed, Feb 4 - Mon, Feb 16
Air India Logo
1:30 pm - 12:30 pm
ORD
-
PAT
59h 30m2 stops
Air India Logo
1:05 pm - 11:30 am
PAT
-
ORD
57h 55m3 stops
$784Air India
Wed, Feb 4 - Mon, Feb 16
Air India Logo
2:30 pm - 10:05 am
ORD
-
PAT
33h 05m1 stop
Air India Logo
7:10 pm - 12:30 pm
PAT
-
ORD
27h 50m2 stops
$804Air India
Wed, Mar 11 - Sun, Mar 15
Air India Logo
1:30 pm - 9:40 am
ORD
-
PAT
32h 40m1 stop
Air India Logo
1:05 pm - 11:30 am
PAT
-
ORD
57h 55m2 stops
$848Air India
Wed, Feb 4 - Mon, Feb 16
Air India Logo
1:30 pm - 9:40 am
ORD
-
PAT
32h 40m1 stop
Air India Logo
1:15 pm - 11:30 am
PAT
-
ORD
33h 45m2 stops
$883Air India
Fri, Jan 16 - Sat, Feb 21
Air India Logo
1:30 pm - 12:30 pm
ORD
-
PAT
59h 30m2 stops
Air India Logo
1:05 pm - 11:30 am
PAT
-
ORD
57h 55m3 stops
$891Air India
Fri, Jan 16 - Sat, Feb 21
Air India Logo
1:30 pm - 2:40 pm
ORD
-
PAT
37h 40m1 stop
Air India Logo
4:45 pm - 11:30 am
PAT
-
ORD
30h 15m3 stops
$917Air India
Fri, Jan 16 - Sat, Feb 21
Air India Logo
2:30 pm - 12:30 pm
ORD
-
PAT
35h 30m2 stops
Air India Logo
9:10 am - 12:30 pm
PAT
-
ORD
37h 50m3 stops
$919Air India
Wed, Mar 11 - Sun, Mar 15
Air India Logo
9:40 am - 12:30 pm
ORD
-
PAT
63h 20m2 stops
Air India Logo
8:55 pm - 11:30 am
PAT
-
ORD
26h 05m2 stops
$924Air India
Sat, Jan 17 - Sun, Feb 22
Air India Logo
9:40 am - 12:30 pm
ORD
-
PAT
63h 20m2 stops
Air India Logo
1:05 pm - 11:30 am
PAT
-
ORD
33h 55m3 stops
$941Air India
Sat, Jan 17 - Sun, Feb 22

IndiGo flights from Chicago to Patna

Our best IndiGo deals on Chicago to Patna flight tickets
IndiGo
Jan 17
ORD8:20 pmChicago O'Hare Intl
30h 20m
2 stops
PAT2:10 pmPatna
Feb 21
PAT6:15 pmPatna
35h 40m
2 stops
ORD6:25 pmChicago O'Hare Intl
$954
Find similar
IndiGo
Jan 16
ORD11:50 amChicago O'Hare Intl
44h 15m
2 stops
PAT7:35 pmPatna
Feb 21
PAT8:30 amPatna
45h 25m
2 stops
ORD6:25 pmChicago O'Hare Intl
$967
Find similar
IndiGo
Dec 15
ORD8:20 pmChicago O'Hare Intl
36h 55m
2 stops
PAT8:45 pmPatna
Jan 15
PAT8:15 pmPatna
33h 40m
2 stops
ORD6:25 pmChicago O'Hare Intl
$2,164
Find similar

Air India flights from Chicago to Patna

Our best Air India deals on Chicago to Patna flight tickets
Air India
Feb 4
ORD1:30 pmChicago O'Hare Intl
35h 35m
1 stop
PAT12:35 pmPatna
Feb 16
PAT1:05 pmPatna
57h 55m
3 stops
ORD11:30 amChicago O'Hare Intl
$762
Find similar
Air India
Feb 4
ORD1:30 pmChicago O'Hare Intl
33h 05m
1 stop
PAT10:05 amPatna
Feb 16
PAT4:45 pmPatna
54h 15m
3 stops
ORD11:30 amChicago O'Hare Intl
$777
Find similar
Air India
Feb 4
ORD1:30 pmChicago O'Hare Intl
59h 30m
2 stops
PAT12:30 pmPatna
Feb 16
PAT1:05 pmPatna
57h 55m
3 stops
ORD11:30 amChicago O'Hare Intl
$784
Find similar

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated December 4, 2025.
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 2/4

1:30 pm-12:35 pm

1 stop35h 35m

Patna

Mon 2/16

1:05 pm-11:30 am

3 stops57h 55m

$762

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Wed 2/4

1:30 pm-12:30 pm

2 stops59h 30m

Patna

Mon 2/16

1:05 pm-11:30 am

3 stops57h 55m

$784

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Wed 3/11

2:30 pm-10:05 am

1 stop33h 05m

Patna

Sun 3/15

7:10 pm-12:30 pm

2 stops27h 50m

$804

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Wed 2/4

1:30 pm-9:40 am

1 stop32h 40m

Patna

Mon 2/16

1:05 pm-11:30 am

2 stops57h 55m

$848

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Fri 1/16

1:30 pm-9:40 am

1 stop32h 40m

Patna

Sat 2/21

1:15 pm-11:30 am

2 stops33h 45m

$883

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Fri 1/16

1:30 pm-12:30 pm

2 stops59h 30m

Patna

Sat 2/21

1:05 pm-11:30 am

3 stops57h 55m

$891

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Fri 1/16

1:30 pm-2:40 pm

1 stop37h 40m

Patna

Sat 2/21

4:45 pm-11:30 am

3 stops30h 15m

$917

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Wed 3/11

2:30 pm-12:30 pm

2 stops35h 30m

Patna

Sun 3/15

9:10 am-12:30 pm

3 stops37h 50m

$919

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Sat 1/17

9:40 am-12:30 pm

2 stops63h 20m

Patna

Sun 2/22

8:55 pm-11:30 am

2 stops26h 05m

$924

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Sat 1/17

9:40 am-12:30 pm

2 stops63h 20m

Patna

Sun 2/22

1:05 pm-11:30 am

3 stops33h 55m

$941

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 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 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 to Patna flights?

You could potentially save up to 21% on your flight if you consider stops on a Chicago to Patna flight.

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 round-trip 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 10m

Direct flights

None
The fastest flight from Chicago to Patna takes 32h 10m
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 7745.1 mi. By plane, this route typically takes 21h 35m.

  • When did momondo last update prices for flights from Chicago to Patna Airport?

    Prices for flights from Chicago to Patna Airport refresh daily.

  • How many operators does momondo search for flights from Chicago to Patna Airport?

  • How old do you have to be to fly from Chicago 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 to Patna Airport.

  • What documentation or ID do you need to fly to Patna Airport?

    The travel and health documents required for your trip to Patna Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Patna Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Chicago to Patna?

Best airlines flying from Chicago to Patna

Compare and see reviews for airlines that fly from Chicago to Patna with momondo
Airline
Rating
Free Cancellation
Price
Air IndiaPriceFrom $854Free CancellationRating
5.5
2,950 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?

Price alerts on flights to Patna from Chicago are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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