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Cheap flights from Chicago to Patna from $666

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 7/14. 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
8:25 pm - 8:20 pm
ORD
-
PAT
37h 25m
2 stops
Multiple Airlines Logo
6:35 pm - 8:35 am
PAT
-
ORD
48h 30m
2 stops
$1,187Multiple Airlines
Tue, Aug 18 - Tue, Aug 25
Multiple Airlines Logo
11:01 am - 7:55 am
ORD
-
PAT
34h 24m
3 stops
Multiple Airlines Logo
10:10 pm - 8:35 am
PAT
-
ORD
44h 55m
2 stops
$1,198Multiple Airlines
Tue, Aug 18 - Tue, Aug 25
Multiple Airlines Logo
7:20 pm - 11:45 am
ORD
-
PAT
29h 55m
2 stops
Multiple Airlines Logo
10:00 pm - 3:05 pm
PAT
-
ORD
51h 35m
2 stops
$1,248Multiple Airlines
Mon, Aug 17 - Mon, Aug 24
Multiple Airlines Logo
7:20 pm - 11:45 am
ORD
-
PAT
29h 55m
2 stops
Multiple Airlines Logo
9:10 pm - 3:05 pm
PAT
-
ORD
52h 25m
3 stops
$1,266Multiple Airlines
Mon, Aug 17 - Mon, Aug 24
Multiple Airlines Logo
7:20 pm - 11:45 am
ORD
-
PAT
29h 55m
2 stops
Multiple Airlines Logo
10:00 pm - 3:05 pm
PAT
-
ORD
51h 35m
2 stops
$1,294Multiple Airlines
Sun, Aug 16 - Sun, Aug 23
Multiple Airlines Logo
7:20 pm - 11:45 am
ORD
-
PAT
29h 55m
2 stops
Multiple Airlines Logo
3:10 pm - 3:05 pm
PAT
-
ORD
58h 25m
3 stops
$1,344Multiple Airlines
Sun, Aug 16 - Sun, Aug 23
Multiple Airlines Logo
2:00 pm - 7:00 am
ORD
-
PAT
30h 30m
3 stops
Multiple Airlines Logo
9:10 pm - 4:10 pm
PAT
-
ORD
29h 30m
3 stops
$1,371Multiple Airlines
Mon, Aug 17 - Mon, Aug 24
Multiple Airlines Logo
2:00 pm - 7:55 am
ORD
-
PAT
31h 25m
3 stops
Multiple Airlines Logo
10:20 am - 8:35 am
PAT
-
ORD
32h 45m
3 stops
$1,379Multiple Airlines
Tue, Aug 18 - Tue, Aug 25
Multiple Airlines Logo
2:00 pm - 7:00 am
ORD
-
PAT
30h 30m
3 stops
Multiple Airlines Logo
2:00 pm - 8:35 am
PAT
-
ORD
29h 05m
3 stops
$1,525Multiple Airlines
Sun, Aug 16 - Sun, Aug 23
British Airways Logo
10:25 pm - 12:45 pm
ORD
-
PAT
27h 50m
2 stops
British Airways Logo
6:35 pm - 12:25 pm
PAT
-
ORD
28h 20m
2 stops
$1,674British Airways
Thu, Sep 24 - Mon, Sep 28

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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 24
ORD10:25 pmChicago O'Hare Intl
27h 50m
2 stops
PAT12:45 pmPatna
Sep 28
PAT6:35 pmPatna
28h 20m
2 stops
ORD12:25 pmChicago O'Hare Intl
$1,674
British Airways
Sep 24
ORD5:55 pmChicago O'Hare Intl
39h 55m
2 stops
PAT8:20 pmPatna
Sep 28
PAT8:55 pmPatna
26h 00m
2 stops
ORD12:25 pmChicago O'Hare Intl
$1,675

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 6, 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 8/18

8:25 pm-8:20 pm

2 stops37h 25m

Patna

Tue 8/25

6:35 pm-8:35 am

2 stops48h 30m

$1,187

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Tue 8/18

11:01 am-7:55 am

3 stops34h 24m

Patna

Tue 8/25

10:10 pm-8:35 am

2 stops44h 55m

$1,198

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Mon 8/17

7:20 pm-11:45 am

2 stops29h 55m

Patna

Mon 8/24

10:00 pm-3:05 pm

2 stops51h 35m

$1,248

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Mon 8/17

7:20 pm-11:45 am

2 stops29h 55m

Patna

Mon 8/24

9:10 pm-3:05 pm

3 stops52h 25m

$1,266

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Sun 8/16

7:20 pm-11:45 am

2 stops29h 55m

Patna

Sun 8/23

10:00 pm-3:05 pm

2 stops51h 35m

$1,294

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Sun 8/16

7:20 pm-11:45 am

2 stops29h 55m

Patna

Sun 8/23

3:10 pm-3:05 pm

3 stops58h 25m

$1,344

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Mon 8/17

2:00 pm-7:00 am

3 stops30h 30m

Patna

Mon 8/24

9:10 pm-4:10 pm

3 stops29h 30m

$1,371

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Tue 8/18

2:00 pm-7:55 am

3 stops31h 25m

Patna

Tue 8/25

10:20 am-8:35 am

3 stops32h 45m

$1,379

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Sun 8/16

2:00 pm-7:00 am

3 stops30h 30m

Patna

Sun 8/23

2:00 pm-8:35 am

3 stops29h 05m

$1,525
Quickest round-trip

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Thu 9/24

10:25 pm-12:45 pm

2 stops27h 50m

Patna

Mon 9/28

6:35 pm-12:25 pm

2 stops28h 20m

$1,674

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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

27h 50m

Direct flights

None
The fastest flight from Chicago to Patna takes 27h 50m
There are no direct flights from Chicago to Patna. There are no popular flight routes from Chicago to Patna.
Search flight deals

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 50m.

  • 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 $836Free CancellationRating
5.6
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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