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Cheap flights from Illinois to Patna from $1,099

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Patna departing on 3/1. 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 Illinois to Patna

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
1:10 pm - 9:40 am
ORD
-
PAT
33h 00m
3 stops
Multiple Airlines Logo
4:35 pm - 8:35 am
PAT
-
ORD
26h 30m
2 stops
$1,099Multiple Airlines
Sun, Mar 1 - Sat, Apr 18
Multiple Airlines Logo
1:10 pm - 9:40 am
ORD
-
PAT
33h 00m
3 stops
Multiple Airlines Logo
8:20 am - 8:35 am
PAT
-
ORD
34h 45m
3 stops
$1,103Multiple Airlines
Sun, Mar 1 - Sat, Apr 18
Air India Logo
1:30 pm - 9:40 am
ORD
-
PAT
32h 40m
1 stop
Air India Logo
7:10 pm - 11:10 am
PAT
-
ORD
26h 30m
2 stops
$1,128Air India
Sun, Mar 1 - Sat, Apr 18
IndiGo Logo
8:20 pm - 10:10 am
ORD
-
PAT
26h 20m
2 stops
IndiGo Logo
2:55 pm - 7:25 pm
PAT
-
ORD
39h 00m
2 stops
$1,140IndiGo
Wed, Feb 25 - Thu, Mar 12
Air India Logo
1:30 pm - 9:40 am
ORD
-
PAT
32h 40m
1 stop
Air India Logo
4:35 pm - 11:10 am
PAT
-
ORD
53h 05m
3 stops
$1,152Air India
Sun, Mar 1 - Sat, Apr 18
Air India Logo
1:30 pm - 2:40 pm
ORD
-
PAT
37h 40m
1 stop
Air India Logo
3:30 pm - 11:10 am
PAT
-
ORD
30h 10m
1 stop
$1,243Air India
Sun, Mar 1 - Sat, Apr 18
Air India Logo
12:20 pm - 6:30 pm
ORD
-
PAT
43h 40m
2 stops
Air India Logo
7:10 pm - 11:10 am
PAT
-
ORD
26h 30m
2 stops
$1,247Air India
Sat, Mar 28 - Sat, Apr 4
Air India Logo
12:20 pm - 12:30 pm
ORD
-
PAT
61h 40m
2 stops
Air India Logo
1:05 pm - 11:10 am
PAT
-
ORD
32h 35m
3 stops
$1,318Air India
Sat, Mar 28 - Sat, Apr 4
Air India Logo
1:30 pm - 2:40 pm
ORD
-
PAT
37h 40m
1 stop
Air India Logo
10:25 am - 10:56 pm
PAT
-
ORD
47h 01m
2 stops
$1,327Air India
Wed, Feb 25 - Thu, Mar 12
Multiple Airlines Logo
2:10 pm - 9:50 am
ORD
-
PAT
33h 10m
3 stops
Multiple Airlines Logo
4:35 pm - 11:10 am
PAT
-
ORD
53h 05m
3 stops
$1,467Multiple Airlines
Sat, Mar 28 - Sat, Apr 4

British Airways flights from Illinois to Patna

Our best British Airways deals on Illinois to Patna flight tickets
British Airways
Mar 9
ORD10:45 pmChicago O'Hare Intl
30h 45m
2 stops
PAT4:00 pmPatna
Mar 13
PAT8:15 pmPatna
56h 15m
2 stops
ORD6:00 pmChicago O'Hare Intl
$6,087
British Airways
Mar 9
ORD6:10 pmChicago O'Hare Intl
53h 30m
2 stops
PAT10:10 amPatna
Mar 13
PAT11:10 pmPatna
53h 20m
2 stops
ORD6:00 pmChicago O'Hare Intl
$6,337

Air India flights from Illinois to Patna

Our best Air India deals on Illinois to Patna flight tickets
Air India
Mar 1
ORD1:30 pmChicago O'Hare Intl
32h 40m
1 stop
PAT9:40 amPatna
Apr 18
PAT7:10 pmPatna
26h 30m
2 stops
ORD11:10 amChicago O'Hare Intl
$1,128
Air India
Mar 1
ORD1:30 pmChicago O'Hare Intl
32h 40m
1 stop
PAT9:40 amPatna
Apr 18
PAT4:35 pmPatna
53h 05m
3 stops
ORD11:10 amChicago O'Hare Intl
$1,152
Air India
Mar 1
ORD1:30 pmChicago O'Hare Intl
37h 40m
1 stop
PAT2:40 pmPatna
Apr 18
PAT3:30 pmPatna
30h 10m
1 stop
ORD11:10 amChicago O'Hare Intl
$1,243

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 February 13, 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

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Sun 3/1

1:10 pm-9:40 am

3 stops33h 00m

Patna

Sat 4/18

4:35 pm-8:35 am

2 stops26h 30m

$1,099

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Sun 3/1

1:10 pm-9:40 am

3 stops33h 00m

Patna

Sat 4/18

8:20 am-8:35 am

3 stops34h 45m

$1,103

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Sun 3/1

1:30 pm-9:40 am

1 stop32h 40m

Patna

Sat 4/18

7:10 pm-11:10 am

2 stops26h 30m

$1,128

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Wed 2/25

8:20 pm-10:10 am

2 stops26h 20m

Patna

Thu 3/12

2:55 pm-7:25 pm

2 stops39h 00m

$1,140

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Sun 3/1

1:30 pm-9:40 am

1 stop32h 40m

Patna

Sat 4/18

4:35 pm-11:10 am

3 stops53h 05m

$1,152

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Sun 3/1

1:30 pm-2:40 pm

1 stop37h 40m

Patna

Sat 4/18

3:30 pm-11:10 am

1 stop30h 10m

$1,243

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Sat 3/28

12:20 pm-6:30 pm

2 stops43h 40m

Patna

Sat 4/4

7:10 pm-11:10 am

2 stops26h 30m

$1,247

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Sat 3/28

12:20 pm-12:30 pm

2 stops61h 40m

Patna

Sat 4/4

1:05 pm-11:10 am

3 stops32h 35m

$1,318

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Wed 2/25

1:30 pm-2:40 pm

1 stop37h 40m

Patna

Thu 3/12

10:25 am-10:56 pm

2 stops47h 01m

$1,327

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Sat 3/28

2:10 pm-9:50 am

3 stops33h 10m

Patna

Sat 4/4

4:35 pm-11:10 am

3 stops53h 05m

$1,467

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 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 60% 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

26h 20m

Direct flights

None
The fastest flight from Illinois to Patna takes 26h 20m
There are no direct flights from Illinois to Patna. There are no popular flight routes from Illinois to Patna.
Search flight deals

  • 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 $801Free CancellationRating
5.5
2,964 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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