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Cheap flights from Chicago to Patna from $600

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to Patna departing on 4/19. 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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0 bags

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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.
British Airways Logo
9:00 pm - 12:45 pm
ORD
-
PAT
29h 15m
2 stops
British Airways Logo
9:00 pm - 5:35 pm
PAT
-
ORD
55h 05m
2 stops
$1,185British Airways
Thu, Sep 10 - Mon, Sep 14
British Airways Logo
9:00 pm - 12:45 pm
ORD
-
PAT
53h 15m
2 stops
British Airways Logo
6:35 pm - 3:00 pm
PAT
-
ORD
30h 55m
2 stops
$1,220British Airways
Thu, Sep 10 - Mon, Sep 14
Air India Logo
1:10 pm - 12:55 pm
ORD
-
PAT
37h 15m
1 stop
Air India Logo
7:10 pm - 11:10 am
PAT
-
ORD
26h 30m
2 stops
$1,284Air India
Mon, Jun 22 - Tue, Jul 7
Air India Logo
1:10 pm - 7:00 am
ORD
-
PAT
31h 20m
2 stops
Air India Logo
1:00 pm - 11:10 am
PAT
-
ORD
32h 40m
3 stops
$1,289Air India
Mon, May 25 - Thu, Jun 11
Air India Logo
1:10 pm - 7:00 am
ORD
-
PAT
31h 20m
2 stops
Air India Logo
1:20 pm - 11:10 am
PAT
-
ORD
32h 20m
2 stops
$1,290Air India
Mon, May 25 - Thu, Jun 11
Air India Logo
1:10 pm - 12:55 pm
ORD
-
PAT
37h 15m
1 stop
Air India Logo
8:05 pm - 11:10 am
PAT
-
ORD
49h 35m
3 stops
$1,292Air India
Mon, May 25 - Fri, Jun 12
Air India Logo
1:10 pm - 7:00 am
ORD
-
PAT
31h 20m
2 stops
Air India Logo
2:00 pm - 11:10 am
PAT
-
ORD
31h 40m
3 stops
$1,327Air India
Mon, May 25 - Sat, Jun 13
Air India Logo
1:10 pm - 9:10 pm
ORD
-
PAT
21h 30m
1 stop
Air India Logo
1:25 pm - 11:10 am
PAT
-
ORD
32h 15m
2 stops
$1,335Air India
Wed, Jun 24 - Sun, Jul 5
Multiple Airlines Logo
7:20 pm - 12:30 pm
ORD
-
PAT
30h 40m
2 stops
Multiple Airlines Logo
3:20 pm - 11:10 am
PAT
-
ORD
30h 20m
2 stops
$1,338Multiple Airlines
Tue, Jun 23 - Tue, Jul 7
British Airways Logo
10:30 pm - 12:45 pm
ORD
-
PAT
51h 45m
2 stops
British Airways Logo
9:00 pm - 12:25 pm
PAT
-
ORD
25h 55m
2 stops
$1,367British Airways
Sun, Jun 7 - Wed, Jun 24

British Airways flights from Chicago to Patna

Our best British Airways deals on Chicago to Patna flight tickets
British Airways
Sep 10
ORD9:00 pmChicago O'Hare Intl
29h 15m
2 stops
PAT12:45 pmPatna
Sep 14
PAT9:00 pmPatna
55h 05m
2 stops
ORD5:35 pmChicago O'Hare Intl
$1,185
British Airways
Sep 10
ORD9:00 pmChicago O'Hare Intl
53h 15m
2 stops
PAT12:45 pmPatna
Sep 14
PAT6:35 pmPatna
30h 55m
2 stops
ORD3:00 pmChicago O'Hare Intl
$1,220
British Airways
Jun 7
ORD10:30 pmChicago O'Hare Intl
51h 45m
2 stops
PAT12:45 pmPatna
Jun 23
PAT9:00 pmPatna
25h 55m
2 stops
ORD12:25 pmChicago O'Hare Intl
$1,367

Air India flights from Chicago to Patna

Our best Air India deals on Chicago to Patna flight tickets
Air India
Jun 22
ORD1:10 pmChicago O'Hare Intl
37h 15m
1 stop
PAT12:55 pmPatna
Jul 7
PAT7:10 pmPatna
26h 30m
2 stops
ORD11:10 amChicago O'Hare Intl
$1,284
Air India
May 25
ORD1:10 pmChicago O'Hare Intl
31h 20m
2 stops
PAT7:00 amPatna
Jun 11
PAT1:00 pmPatna
32h 40m
3 stops
ORD11:10 amChicago O'Hare Intl
$1,289
Air India
May 25
ORD1:10 pmChicago O'Hare Intl
31h 20m
2 stops
PAT7:00 amPatna
Jun 11
PAT1:20 pmPatna
32h 20m
2 stops
ORD11:10 amChicago O'Hare Intl
$1,290

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 March 20, 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

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Thu 9/10

9:00 pm-12:45 pm

2 stops29h 15m

Patna

Mon 9/14

9:00 pm-5:35 pm

2 stops55h 05m

$1,185

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Thu 9/10

9:00 pm-12:45 pm

2 stops53h 15m

Patna

Mon 9/14

6:35 pm-3:00 pm

2 stops30h 55m

$1,220

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Mon 6/22

1:10 pm-12:55 pm

1 stop37h 15m

Patna

Tue 7/7

7:10 pm-11:10 am

2 stops26h 30m

$1,284

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Mon 5/25

1:10 pm-7:00 am

2 stops31h 20m

Patna

Thu 6/11

1:00 pm-11:10 am

3 stops32h 40m

$1,289

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Mon 5/25

1:10 pm-7:00 am

2 stops31h 20m

Patna

Thu 6/11

1:20 pm-11:10 am

2 stops32h 20m

$1,290

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Mon 5/25

1:10 pm-12:55 pm

1 stop37h 15m

Patna

Fri 6/12

8:05 pm-11:10 am

3 stops49h 35m

$1,292

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Mon 5/25

1:10 pm-7:00 am

2 stops31h 20m

Patna

Sat 6/13

2:00 pm-11:10 am

3 stops31h 40m

$1,327
Quickest round-trip

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Wed 6/24

1:10 pm-9:10 pm

1 stop21h 30m

Patna

Sun 7/5

1:25 pm-11:10 am

2 stops32h 15m

$1,335

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Tue 6/23

7:20 pm-12:30 pm

2 stops30h 40m

Patna

Tue 7/7

3:20 pm-11:10 am

2 stops30h 20m

$1,338

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Sun 6/7

10:30 pm-12:45 pm

2 stops51h 45m

Patna

Wed 6/24

9:00 pm-12:25 pm

2 stops25h 55m

$1,367

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 resultsSorted by cheapest first
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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 42% 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

27h 40m

Direct flights

None
The fastest flight from Chicago to Patna takes 27h 40m
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 27h 40m.

  • 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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