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Cheap flights from Chicago to Patna from $1,209

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 5/15. 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
1:10 pm - 12:55 pm
ORD
-
PAT
37h 15m
1 stop
Air India Logo
9:45 pm - 11:10 am
PAT
-
ORD
23h 55m
2 stops
$1,209Air India
Fri, May 15 - Sun, May 31
Air India Logo
1:10 pm - 7:30 am
ORD
-
PAT
31h 50m
1 stop
Air India Logo
1:25 pm - 11:10 am
PAT
-
ORD
32h 15m
2 stops
$1,228Air India
Fri, May 15 - Sat, May 30
Multiple Airlines Logo
2:00 pm - 1:25 pm
ORD
-
PAT
36h 55m
2 stops
Multiple Airlines Logo
7:10 pm - 8:35 am
PAT
-
ORD
47h 55m
2 stops
$1,330Multiple Airlines
Thu, May 14 - Sat, May 30
Air India Logo
1:10 pm - 12:30 pm
ORD
-
PAT
36h 50m
2 stops
Air India Logo
1:25 pm - 11:10 am
PAT
-
ORD
32h 15m
2 stops
$1,348Air India
Fri, May 15 - Sat, May 30
Multiple Airlines Logo
8:10 pm - 9:25 pm
ORD
-
PAT
38h 45m
2 stops
Multiple Airlines Logo
9:45 pm - 11:10 am
PAT
-
ORD
23h 55m
2 stops
$1,375Multiple Airlines
Fri, May 15 - Sun, May 31
Multiple Airlines Logo
2:00 pm - 7:30 am
ORD
-
PAT
31h 00m
3 stops
Multiple Airlines Logo
11:05 am - 8:35 am
PAT
-
ORD
32h 00m
2 stops
$1,402Multiple Airlines
Thu, May 28 - Wed, Jun 10
Multiple Airlines Logo
2:00 pm - 7:30 am
ORD
-
PAT
31h 00m
3 stops
Multiple Airlines Logo
9:25 am - 8:35 am
PAT
-
ORD
33h 40m
3 stops
$1,411Multiple Airlines
Thu, May 28 - Wed, Jun 10
Multiple Airlines Logo
2:00 pm - 12:30 pm
ORD
-
PAT
36h 00m
3 stops
Multiple Airlines Logo
3:40 pm - 8:35 am
PAT
-
ORD
27h 25m
2 stops
$1,497Multiple Airlines
Fri, May 15 - Sun, May 31
British Airways Logo
5:50 pm - 3:15 pm
ORD
-
PAT
34h 55m
2 stops
British Airways Logo
6:35 pm - 12:30 pm
PAT
-
ORD
28h 25m
2 stops
$1,517British Airways
Thu, Sep 24 - Mon, Sep 28
Multiple Airlines Logo
2:00 pm - 9:40 am
ORD
-
PAT
33h 10m
3 stops
Multiple Airlines Logo
9:25 am - 8:35 am
PAT
-
ORD
33h 40m
3 stops
$1,521Multiple Airlines
Fri, May 15 - Sun, May 31

Air India flights from Chicago to Patna

Our best Air India deals on Chicago to Patna flight tickets
Air India
May 15
ORD1:10 pmChicago O'Hare Intl
37h 15m
1 stop
PAT12:55 pmPatna
May 31
PAT9:45 pmPatna
23h 55m
2 stops
ORD11:10 amChicago O'Hare Intl
$1,209
Air India
May 15
ORD1:10 pmChicago O'Hare Intl
31h 50m
1 stop
PAT7:30 amPatna
May 30
PAT1:25 pmPatna
32h 15m
2 stops
ORD11:10 amChicago O'Hare Intl
$1,228
Air India
May 15
ORD1:10 pmChicago O'Hare Intl
36h 50m
2 stops
PAT12:30 pmPatna
May 30
PAT1:25 pmPatna
32h 15m
2 stops
ORD11:10 amChicago O'Hare Intl
$1,348

British Airways flights from Chicago to Patna

Our best British Airways deals on Chicago to Patna flight tickets
British Airways
Sep 24
ORD5:50 pmChicago O'Hare Intl
34h 55m
2 stops
PAT3:15 pmPatna
Sep 28
PAT6:35 pmPatna
28h 25m
2 stops
ORD12:30 pmChicago O'Hare Intl
$1,517
British Airways
May 3
ORD9:15 pmChicago O'Hare Intl
31h 30m
2 stops
PAT3:15 pmPatna
May 7
PAT6:35 pmPatna
34h 10m
2 stops
ORD6:15 pmChicago O'Hare Intl
$8,538
British Airways
May 3
ORD10:30 pmChicago O'Hare Intl
35h 25m
2 stops
PAT8:25 pmPatna
May 7
PAT6:35 pmPatna
28h 20m
2 stops
ORD12:25 pmChicago O'Hare Intl
$8,539

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 April 19, 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 round-trip
Quickest round-trip

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Fri 5/15

1:10 pm-12:55 pm

1 stop37h 15m

Patna

Sun 5/31

9:45 pm-11:10 am

2 stops23h 55m

$1,209

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Fri 5/15

1:10 pm-7:30 am

1 stop31h 50m

Patna

Sat 5/30

1:25 pm-11:10 am

2 stops32h 15m

$1,228

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Thu 5/14

2:00 pm-1:25 pm

2 stops36h 55m

Patna

Sat 5/30

7:10 pm-8:35 am

2 stops47h 55m

$1,330

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Fri 5/15

1:10 pm-12:30 pm

2 stops36h 50m

Patna

Sat 5/30

1:25 pm-11:10 am

2 stops32h 15m

$1,348

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Fri 5/15

8:10 pm-9:25 pm

2 stops38h 45m

Patna

Sun 5/31

9:45 pm-11:10 am

2 stops23h 55m

$1,375

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Thu 5/28

2:00 pm-7:30 am

3 stops31h 00m

Patna

Wed 6/10

11:05 am-8:35 am

2 stops32h 00m

$1,402

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Thu 5/28

2:00 pm-7:30 am

3 stops31h 00m

Patna

Wed 6/10

9:25 am-8:35 am

3 stops33h 40m

$1,411

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Fri 5/15

2:00 pm-12:30 pm

3 stops36h 00m

Patna

Sun 5/31

3:40 pm-8:35 am

2 stops27h 25m

$1,497

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Thu 9/24

5:50 pm-3:15 pm

2 stops34h 55m

Patna

Mon 9/28

6:35 pm-12:30 pm

2 stops28h 25m

$1,517

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Fri 5/15

2:00 pm-9:40 am

3 stops33h 10m

Patna

Sun 5/31

9:25 am-8:35 am

3 stops33h 40m

$1,521

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

Can stopping save me money on Chicago to Patna flights?

You could potentially save up to 41% 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

21h 30m

Direct flights

None
The fastest flight from Chicago to Patna takes 21h 30m
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 7745.1 mi. By plane, this route typically takes 21h 30m.

  • 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 $894Free CancellationRating
5.5
2,969 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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