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Cheap flights from Chicago to Patna from $1,153

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 7/20. 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 - 9:10 pm
ORD
-
PAT
21h 30m
1 stop
Air India Logo
8:00 am - 11:10 am
PAT
-
ORD
37h 40m
2 stops
$1,153Air India
월, 7월 20 - 일, 8월 23
Air India Logo
1:10 pm - 7:00 am
ORD
-
PAT
31h 20m
2 stops
Air India Logo
1:25 pm - 11:10 am
PAT
-
ORD
32h 15m
2 stops
$1,159Air India
월, 7월 20 - 일, 8월 23
Multiple Airlines Logo
9:10 pm - 7:55 am
ORD
-
PAT
24h 15m
2 stops
Multiple Airlines Logo
10:10 pm - 3:40 pm
PAT
-
ORD
28h 00m
2 stops
$1,167Multiple Airlines
수, 6월 24 - 목, 7월 9
Multiple Airlines Logo
9:10 pm - 6:00 pm
ORD
-
PAT
34h 20m
2 stops
Multiple Airlines Logo
12:55 pm - 3:40 pm
PAT
-
ORD
37h 15m
3 stops
$1,171Multiple Airlines
수, 6월 24 - 수, 7월 8
Air India Logo
1:10 pm - 1:25 pm
ORD
-
PAT
37h 45m
2 stops
Air India Logo
8:00 am - 11:10 am
PAT
-
ORD
37h 40m
2 stops
$1,203Air India
수, 7월 22 - 일, 8월 23
Multiple Airlines Logo
9:10 pm - 6:30 pm
ORD
-
PAT
34h 50m
2 stops
Multiple Airlines Logo
2:00 pm - 8:35 am
PAT
-
ORD
53h 05m
2 stops
$1,292Multiple Airlines
화, 7월 21 - 토, 8월 22
Air India Logo
1:10 pm - 9:10 pm
ORD
-
PAT
21h 30m
1 stop
Air India Logo
9:45 pm - 11:10 am
PAT
-
ORD
23h 55m
2 stops
$1,295Air India
월, 7월 20 - 토, 8월 22
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
$1,327Air India
월, 7월 20 - 토, 8월 22
Air India Logo
1:10 pm - 7:00 am
ORD
-
PAT
31h 20m
2 stops
Air India Logo
8:05 pm - 11:10 am
PAT
-
ORD
49h 35m
3 stops
$1,342Air India
월, 7월 20 - 토, 8월 22
Air India Logo
1:10 pm - 12:30 pm
ORD
-
PAT
36h 50m
2 stops
Air India Logo
8:05 pm - 11:10 am
PAT
-
ORD
49h 35m
3 stops
$1,385Air India
수, 7월 22 - 토, 8월 22

British Airways flights from Chicago to Patna

Our best British Airways deals on Chicago to Patna flight tickets
British Airways
Sep 10
ORD5:50 pmChicago O'Hare Intl
34h 55m
2 stops
PAT3:15 pmPatna
Sep 14
PAT8:55 pmPatna
28h 35m
2 stops
ORD3:00 pmChicago O'Hare Intl
$1,641
British Airways
Sep 10
ORD5:50 pmChicago O'Hare Intl
32h 25m
2 stops
PAT12:45 pmPatna
Sep 14
PAT3:50 pmPatna
31h 10m
2 stops
ORD12:30 pmChicago O'Hare Intl
$1,642
British Airways
Jul 21
ORD10:30 pmChicago O'Hare Intl
51h 45m
2 stops
PAT12:45 pmPatna
Aug 23
PAT8:55 pmPatna
26h 05m
2 stops
ORD12:30 pmChicago O'Hare Intl
$1,665

Air India flights from Chicago to Patna

Our best Air India deals on Chicago to Patna flight tickets
Air India
Jul 20
ORD1:10 pmChicago O'Hare Intl
21h 30m
1 stop
PAT9:10 pmPatna
Aug 23
PAT8:00 amPatna
37h 40m
2 stops
ORD11:10 amChicago O'Hare Intl
$1,153
Air India
Jul 20
ORD1:10 pmChicago O'Hare Intl
31h 20m
2 stops
PAT7:00 amPatna
Aug 23
PAT1:25 pmPatna
32h 15m
2 stops
ORD11:10 amChicago O'Hare Intl
$1,159
Air India
Jul 22
ORD1:10 pmChicago O'Hare Intl
37h 45m
2 stops
PAT1:25 pmPatna
Aug 23
PAT8:00 amPatna
37h 40m
2 stops
ORD11:10 amChicago O'Hare Intl
$1,203

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 5월 10, 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

월 7/20

1:10 pm-9:10 pm

1 stop21h 30m

Patna

일 8/23

8:00 am-11:10 am

2 stops37h 40m

$1,153

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

월 7/20

1:10 pm-7:00 am

2 stops31h 20m

Patna

일 8/23

1:25 pm-11:10 am

2 stops32h 15m

$1,159

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

수 6/24

9:10 pm-7:55 am

2 stops24h 15m

Patna

목 7/9

10:10 pm-3:40 pm

2 stops28h 00m

$1,167

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

수 6/24

9:10 pm-6:00 pm

2 stops34h 20m

Patna

수 7/8

12:55 pm-3:40 pm

3 stops37h 15m

$1,171

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

수 7/22

1:10 pm-1:25 pm

2 stops37h 45m

Patna

일 8/23

8:00 am-11:10 am

2 stops37h 40m

$1,203

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

화 7/21

9:10 pm-6:30 pm

2 stops34h 50m

Patna

토 8/22

2:00 pm-8:35 am

2 stops53h 05m

$1,292
Quickest round-trip

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

월 7/20

1:10 pm-9:10 pm

1 stop21h 30m

Patna

토 8/22

9:45 pm-11:10 am

2 stops23h 55m

$1,295

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

월 7/20

1:10 pm-12:55 pm

1 stop37h 15m

Patna

토 8/22

8:05 pm-11:10 am

3 stops49h 35m

$1,327

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

월 7/20

1:10 pm-7:00 am

2 stops31h 20m

Patna

토 8/22

8:05 pm-11:10 am

3 stops49h 35m

$1,342

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

수 7/22

1:10 pm-12:30 pm

2 stops36h 50m

Patna

토 8/22

8:05 pm-11:10 am

3 stops49h 35m

$1,385

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

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.
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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 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
2,957 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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