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Cheap flights from Chicago to Patna from $697

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 9/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Chicago to Patna

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
2:00 pm - 7:55 am
ORD
-
PAT
31h 25m
2 stops
Multiple Airlines Logo
8:20 am - 8:35 am
PAT
-
ORD
34h 45m
2 stops
$890Multiple Airlines
Tue, Sep 8 - Tue, Sep 15
Multiple Airlines Logo
2:00 pm - 7:55 am
ORD
-
PAT
31h 25m
2 stops
Multiple Airlines Logo
8:20 am - 8:35 am
PAT
-
ORD
34h 45m
2 stops
$926Multiple Airlines
Tue, Sep 8 - Tue, Sep 15
Multiple Airlines Logo
2:00 pm - 7:55 am
ORD
-
PAT
31h 25m
2 stops
Multiple Airlines Logo
8:20 am - 3:40 pm
PAT
-
ORD
41h 50m
2 stops
$933Multiple Airlines
Tue, Sep 8 - Tue, Sep 15
Multiple Airlines Logo
9:10 pm - 9:40 am
ORD
-
PAT
26h 00m
2 stops
Multiple Airlines Logo
10:20 am - 8:35 am
PAT
-
ORD
32h 45m
2 stops
$985Multiple Airlines
Wed, Sep 9 - Wed, Sep 16
Multiple Airlines Logo
9:10 pm - 2:50 pm
ORD
-
PAT
31h 10m
2 stops
Multiple Airlines Logo
7:10 pm - 3:40 pm
PAT
-
ORD
31h 00m
2 stops
$1,048Multiple Airlines
Tue, Sep 8 - Tue, Sep 15
Multiple Airlines Logo
9:10 pm - 8:20 pm
ORD
-
PAT
36h 40m
2 stops
Multiple Airlines Logo
12:55 pm - 8:35 am
PAT
-
ORD
30h 10m
3 stops
$1,067Multiple Airlines
Wed, Sep 9 - Wed, Sep 16
Multiple Airlines Logo
9:10 pm - 5:45 pm
ORD
-
PAT
34h 05m
3 stops
Multiple Airlines Logo
1:30 pm - 3:40 pm
PAT
-
ORD
36h 40m
2 stops
$1,067Multiple Airlines
Wed, Sep 9 - Wed, Sep 16
Multiple Airlines Logo
9:10 pm - 6:00 pm
ORD
-
PAT
34h 20m
2 stops
Multiple Airlines Logo
8:20 am - 3:40 pm
PAT
-
ORD
41h 50m
2 stops
$1,069Multiple Airlines
Wed, Sep 9 - Wed, Sep 16
Multiple Airlines Logo
8:25 pm - 12:30 pm
ORD
-
PAT
29h 35m
2 stops
Multiple Airlines Logo
8:45 am - 3:40 pm
PAT
-
ORD
41h 25m
2 stops
$1,092Multiple Airlines
Sat, Aug 22 - Sat, Aug 29
Multiple Airlines Logo
8:25 pm - 8:05 am
ORD
-
PAT
25h 10m
2 stops
Multiple Airlines Logo
3:20 pm - 8:35 am
PAT
-
ORD
27h 45m
2 stops
$1,139Multiple Airlines
Fri, Aug 21 - Mon, Aug 31

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British Airways flights from Chicago to Patna

Our best British Airways deals on Chicago to Patna flight tickets
British Airways
Sep 13
ORD5:55 pmChicago O'Hare Intl
32h 20m
2 stops
PAT12:45 pmPatna
Sep 16
PAT8:55 pmPatna
28h 30m
2 stops
ORD2:55 pmChicago O'Hare Intl
$8,766
British Airways
Sep 13
ORD5:55 pmChicago O'Hare Intl
32h 20m
2 stops
PAT12:45 pmPatna
Sep 16
PAT8:55 pmPatna
28h 30m
2 stops
ORD2:55 pmChicago O'Hare Intl
$8,767

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 July 27, 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

Tue 9/8

2:00 pm-7:55 am

2 stops31h 25m

Patna

Tue 9/15

8:20 am-8:35 am

2 stops34h 45m

$890

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Tue 9/8

2:00 pm-7:55 am

2 stops31h 25m

Patna

Tue 9/15

8:20 am-8:35 am

2 stops34h 45m

$926

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Tue 9/8

2:00 pm-7:55 am

2 stops31h 25m

Patna

Tue 9/15

8:20 am-3:40 pm

2 stops41h 50m

$933

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Wed 9/9

9:10 pm-9:40 am

2 stops26h 00m

Patna

Wed 9/16

10:20 am-8:35 am

2 stops32h 45m

$985

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Tue 9/8

9:10 pm-2:50 pm

2 stops31h 10m

Patna

Tue 9/15

7:10 pm-3:40 pm

2 stops31h 00m

$1,048

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Wed 9/9

9:10 pm-8:20 pm

2 stops36h 40m

Patna

Wed 9/16

12:55 pm-8:35 am

3 stops30h 10m

$1,067

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Wed 9/9

9:10 pm-5:45 pm

3 stops34h 05m

Patna

Wed 9/16

1:30 pm-3:40 pm

2 stops36h 40m

$1,067

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Wed 9/9

9:10 pm-6:00 pm

2 stops34h 20m

Patna

Wed 9/16

8:20 am-3:40 pm

2 stops41h 50m

$1,069

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Sat 8/22

8:25 pm-12:30 pm

2 stops29h 35m

Patna

Sat 8/29

8:45 am-3:40 pm

2 stops41h 25m

$1,092
Quickest round-trip

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Fri 8/21

8:25 pm-8:05 am

2 stops25h 10m

Patna

Mon 8/31

3:20 pm-8:35 am

2 stops27h 45m

$1,139

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
1
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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 22% 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

29h 35m

Direct flights

None
The fastest flight from Chicago to Patna takes 29h 35m
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 29h 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 $738Free CancellationRating
5.5
2,953 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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