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Cheap flights from Illinois to Patna from $893

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Patna departing on 11/30. 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 Illinois to Patna

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
8:25 pm - 1:25 pm
ORD
-
PAT
54h 30m
2 stops
Multiple Airlines Logo
2:00 pm - 3:40 pm
PAT
-
ORD
36h 10m
2 stops
$1,340Multiple Airlines
Thu, Jul 23 - Fri, Aug 21
Multiple Airlines Logo
8:25 pm - 1:25 pm
ORD
-
PAT
54h 30m
2 stops
Multiple Airlines Logo
2:00 pm - 3:40 pm
PAT
-
ORD
36h 10m
2 stops
$1,352Multiple Airlines
Thu, Jul 23 - Fri, Aug 21
Multiple Airlines Logo
2:00 pm - 12:30 pm
ORD
-
PAT
36h 00m
2 stops
Multiple Airlines Logo
7:10 pm - 9:40 am
PAT
-
ORD
49h 00m
2 stops
$1,484Multiple Airlines
Mon, Aug 10 - Mon, Aug 17
Multiple Airlines Logo
8:25 pm - 1:25 pm
ORD
-
PAT
30h 30m
2 stops
Multiple Airlines Logo
7:35 am - 8:35 am
PAT
-
ORD
35h 30m
3 stops
$1,573Multiple Airlines
Mon, Aug 10 - Mon, Aug 17
British Airways Logo
10:35 pm - 8:20 pm
ORD
-
PAT
35h 15m
2 stops
British Airways Logo
6:35 pm - 3:55 pm
PAT
-
ORD
31h 50m
2 stops
$1,674British Airways
Thu, Sep 24 - Mon, Sep 28
Multiple Airlines Logo
7:05 pm - 12:30 pm
ORD
-
PAT
30h 55m
2 stops
Multiple Airlines Logo
1:20 pm - 9:40 am
PAT
-
ORD
54h 50m
2 stops
$1,770Multiple Airlines
Wed, Jul 22 - Thu, Aug 20
Multiple Airlines Logo
7:20 pm - 6:30 pm
ORD
-
PAT
36h 40m
2 stops
Multiple Airlines Logo
7:10 pm - 3:05 pm
PAT
-
ORD
30h 25m
2 stops
$1,778Multiple Airlines
Tue, Jul 21 - Wed, Aug 19
Multiple Airlines Logo
8:25 pm - 1:25 pm
ORD
-
PAT
30h 30m
3 stops
Multiple Airlines Logo
8:20 am - 8:35 am
PAT
-
ORD
34h 45m
3 stops
$1,796Multiple Airlines
Mon, Aug 10 - Mon, Aug 17
Multiple Airlines Logo
6:30 pm - 12:30 pm
ORD
-
PAT
31h 30m
2 stops
Multiple Airlines Logo
7:10 pm - 12:35 pm
PAT
-
ORD
27h 55m
2 stops
$1,800Multiple Airlines
Wed, Jul 22 - Wed, Aug 19
Multiple Airlines Logo
8:25 pm - 1:25 pm
ORD
-
PAT
54h 30m
2 stops
Multiple Airlines Logo
7:45 pm - 9:10 pm
PAT
-
ORD
35h 55m
3 stops
$1,806Multiple Airlines
Thu, Jul 23 - Fri, Aug 21

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British Airways flights from Illinois to Patna

Our best British Airways deals on Illinois to Patna flight tickets
British Airways
Sep 24
ORD10:35 pmChicago O'Hare Intl
35h 15m
2 stops
PAT8:20 pmPatna
Sep 28
PAT6:35 pmPatna
31h 50m
2 stops
ORD3:55 pmChicago O'Hare Intl
$1,674
British Airways
Jul 19
ORD8:40 pmChicago O'Hare Intl
53h 35m
2 stops
PAT12:45 pmPatna
Aug 18
PAT6:35 pmPatna
54h 55m
2 stops
ORD3:00 pmChicago O'Hare Intl
$1,848
British Airways
Jul 19
ORD10:30 pmChicago O'Hare Intl
51h 45m
2 stops
PAT12:45 pmPatna
Aug 17
PAT8:55 pmPatna
50h 05m
2 stops
ORD12:30 pmChicago O'Hare Intl
$1,871

Malaysia Airlines flights from Illinois to Patna

Our best Malaysia Airlines deals on Illinois to Patna flight tickets
Malaysia Airlines
Jul 5
ORD6:10 pmChicago O'Hare Intl
37h 20m
3 stops
PAT6:00 pmPatna
Jul 19
PAT6:05 pmPatna
48h 10m
3 stops
ORD7:45 amChicago O'Hare Intl
$3,827
Malaysia Airlines
Jul 22
ORD6:00 pmChicago O'Hare Intl
37h 30m
3 stops
PAT6:00 pmPatna
Aug 20
PAT8:20 amPatna
33h 55m
3 stops
ORD7:45 amChicago O'Hare Intl
$4,510
Malaysia Airlines
Jul 1
ORD6:00 pmChicago O'Hare Intl
37h 30m
3 stops
PAT6:00 pmPatna
Jul 18
PAT6:05 pmPatna
48h 10m
3 stops
ORD7:45 amChicago O'Hare Intl
$5,452

momondo Fare Finder

 
Customize your flight search to find flights from Illinois 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 June 29, 2026.
Use the filters below to find and compare flights from Illinois 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 7/23

8:25 pm-1:25 pm

2 stops54h 30m

Patna

Fri 8/21

2:00 pm-3:40 pm

2 stops36h 10m

$1,340

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Thu 7/23

8:25 pm-1:25 pm

2 stops54h 30m

Patna

Fri 8/21

2:00 pm-3:40 pm

2 stops36h 10m

$1,352

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Mon 8/10

2:00 pm-12:30 pm

2 stops36h 00m

Patna

Mon 8/17

7:10 pm-9:40 am

2 stops49h 00m

$1,484

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Mon 8/10

8:25 pm-1:25 pm

2 stops30h 30m

Patna

Mon 8/17

7:35 am-8:35 am

3 stops35h 30m

$1,573

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Thu 9/24

10:35 pm-8:20 pm

2 stops35h 15m

Patna

Mon 9/28

6:35 pm-3:55 pm

2 stops31h 50m

$1,674

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Wed 7/22

7:05 pm-12:30 pm

2 stops30h 55m

Patna

Thu 8/20

1:20 pm-9:40 am

2 stops54h 50m

$1,770

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Tue 7/21

7:20 pm-6:30 pm

2 stops36h 40m

Patna

Wed 8/19

7:10 pm-3:05 pm

2 stops30h 25m

$1,778

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Mon 8/10

8:25 pm-1:25 pm

3 stops30h 30m

Patna

Mon 8/17

8:20 am-8:35 am

3 stops34h 45m

$1,796
Quickest round-trip

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Wed 7/22

6:30 pm-12:30 pm

2 stops31h 30m

Patna

Wed 8/19

7:10 pm-12:35 pm

2 stops27h 55m

$1,800

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Thu 7/23

8:25 pm-1:25 pm

2 stops54h 30m

Patna

Fri 8/21

7:45 pm-9:10 pm

3 stops35h 55m

$1,806

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 resultsSorted by cheapest first
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See travel insights to Patna from

How to get the cheapest flight ticket from Illinois 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 Illinois to Patna flights?

You could potentially save up to 22% on your flight if you consider stops on a Illinois to Patna flight.

Cheap Illinois to Patna flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to Patna

Fastest flight time

27h 50m

Direct flights

None
The fastest flight from Illinois to Patna takes 27h 50m
There are no direct flights from Illinois to Patna. There are no popular flight routes from Illinois to Patna.
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Frequently asked questions about flying from Illinois to Patna

  • When did momondo last update prices for flights from Illinois to Patna Airport?

    Prices for flights from Illinois to Patna Airport refresh daily.

  • How many operators does momondo search for flights from Illinois to Patna Airport?

  • How old do you have to be to fly from Illinois to Patna Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Illinois to Patna Airport.

  • What documentation or ID do you need to fly to Patna Airport?

    The required travel and health documents for your Patna Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Patna Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Illinois to Patna

Compare and see reviews for airlines that fly from Illinois 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 Illinois to Patna?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Illinois to Patna for you.

Can I find flights from Illinois to Patna with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Patna from Illinois with this policy.

How can momondo help me find flights from Illinois to Patna?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Patna from Illinois.

I’m not ready to book a flight from Illinois to Patna right now. Can momondo alert me if prices change?

Price alerts on flights to Patna from Illinois 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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