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Cheap flights from Illinois to Patna from $926

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 4/14. 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
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.
Air India Logo
1:10 pm - 12:30 pm
ORD
-
PAT
36h 50m
1 stop
Air India Logo
8:05 pm - 11:10 am
PAT
-
ORD
49h 35m
3 stops
$1,207Air India
Mon, Jun 8 - Mon, Jun 22
British Airways Logo
5:50 pm - 12:45 pm
ORD
-
PAT
32h 25m
2 stops
British Airways Logo
9:00 pm - 12:30 pm
PAT
-
ORD
26h 00m
2 stops
$1,355British Airways
Wed, Sep 23 - Sun, Sep 27
Multiple Airlines Logo
6:15 am - 9:10 pm
ORD
-
PAT
28h 25m
2 stops
Multiple Airlines Logo
2:00 pm - 11:10 am
PAT
-
ORD
55h 40m
3 stops
$1,358Multiple Airlines
Mon, Jun 8 - Mon, Jun 22
British Airways Logo
9:00 pm - 12:45 pm
ORD
-
PAT
29h 15m
2 stops
British Airways Logo
9:00 pm - 12:30 pm
PAT
-
ORD
50h 00m
2 stops
$1,590British Airways
Wed, Sep 23 - Sun, Sep 27
Multiple Airlines Logo
1:10 pm - 8:25 pm
ORD
-
PAT
20h 45m
1 stop
Multiple Airlines Logo
10:10 pm - 1:10 pm
PAT
-
ORD
25h 30m
2 stops
$2,172Multiple Airlines
Mon, Jun 8 - Mon, Jun 22
Multiple Airlines Logo
6:15 am - 9:10 pm
ORD
-
PAT
28h 25m
2 stops
Multiple Airlines Logo
9:45 pm - 4:01 pm
PAT
-
ORD
28h 46m
2 stops
$3,356Multiple Airlines
Fri, May 29 - Fri, Jun 12
Multiple Airlines Logo
3:35 pm - 9:40 am
ORD
-
PAT
31h 35m
2 stops
Multiple Airlines Logo
8:05 pm - 11:10 am
PAT
-
ORD
49h 35m
3 stops
$4,629Multiple Airlines
Fri, May 29 - Fri, Jun 12
Multiple Airlines Logo
1:10 pm - 12:30 pm
ORD
-
PAT
36h 50m
1 stop
Multiple Airlines Logo
9:25 pm - 3:45 pm
PAT
-
ORD
28h 50m
2 stops
$5,386Multiple Airlines
Fri, May 29 - Fri, Jun 12
British Airways Logo
7:05 pm - 8:25 pm
ORD
-
PAT
38h 50m
2 stops
British Airways Logo
9:00 pm - 3:55 pm
PAT
-
ORD
29h 25m
2 stops
$8,241British Airways
Mon, Sep 21 - Thu, Sep 24

British Airways flights from Illinois to Patna

Our best British Airways deals on Illinois to Patna flight tickets
British Airways
Sep 23
ORD5:50 pmChicago O'Hare Intl
32h 25m
2 stops
PAT12:45 pmPatna
Sep 27
PAT9:00 pmPatna
26h 00m
2 stops
ORD12:30 pmChicago O'Hare Intl
$1,355
British Airways
Sep 23
ORD9:00 pmChicago O'Hare Intl
29h 15m
2 stops
PAT12:45 pmPatna
Sep 27
PAT9:00 pmPatna
50h 00m
2 stops
ORD12:30 pmChicago O'Hare Intl
$1,590
British Airways
Sep 21
ORD7:05 pmChicago O'Hare Intl
38h 50m
2 stops
PAT8:25 pmPatna
Sep 24
PAT9:00 pmPatna
29h 25m
2 stops
ORD3:55 pmChicago O'Hare Intl
$8,241

Air India flights from Illinois to Patna

Our best Air India deals on Illinois to Patna flight tickets
Air India
Jun 8
ORD1:10 pmChicago O'Hare Intl
36h 50m
1 stop
PAT12:30 pmPatna
Jun 22
PAT8:05 pmPatna
49h 35m
3 stops
ORD11:10 amChicago O'Hare Intl
$1,207
Air India
Apr 7
ORD7:45 amChicago O'Hare Intl
36h 45m
2 stops
PAT7:00 amPatna
Apr 9
PAT10:20 amPatna
45h 54m
2 stops
ORD9:44 pmChicago O'Hare Intl
$2,091
Air India
Apr 1
ORD1:15 pmChicago O'Hare Intl
36h 45m
1 stop
PAT12:30 pmPatna
Apr 8
PAT9:45 pmPatna
34h 29m
2 stops
ORD9:44 pmChicago O'Hare Intl
$3,115

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 March 31, 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

Mon 6/8

1:10 pm-12:30 pm

1 stop36h 50m

Patna

Mon 6/22

8:05 pm-11:10 am

3 stops49h 35m

$1,207

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Wed 9/23

5:50 pm-12:45 pm

2 stops32h 25m

Patna

Sun 9/27

9:00 pm-12:30 pm

2 stops26h 00m

$1,355

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Mon 6/8

6:15 am-9:10 pm

2 stops28h 25m

Patna

Mon 6/22

2:00 pm-11:10 am

3 stops55h 40m

$1,358

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Wed 9/23

9:00 pm-12:45 pm

2 stops29h 15m

Patna

Sun 9/27

9:00 pm-12:30 pm

2 stops50h 00m

$1,590
Quickest round-trip

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Mon 6/8

1:10 pm-8:25 pm

1 stop20h 45m

Patna

Mon 6/22

10:10 pm-1:10 pm

2 stops25h 30m

$2,172

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Fri 5/29

6:15 am-9:10 pm

2 stops28h 25m

Patna

Fri 6/12

9:45 pm-4:01 pm

2 stops28h 46m

$3,356

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Fri 5/29

3:35 pm-9:40 am

2 stops31h 35m

Patna

Fri 6/12

8:05 pm-11:10 am

3 stops49h 35m

$4,629

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Fri 5/29

1:10 pm-12:30 pm

1 stop36h 50m

Patna

Fri 6/12

9:25 pm-3:45 pm

2 stops28h 50m

$5,386

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Mon 9/21

7:05 pm-8:25 pm

2 stops38h 50m

Patna

Thu 9/24

9:00 pm-3:55 pm

2 stops29h 25m

$8,241
Cheapest one-way
Quickest one-way

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Tue 4/14

5:10 pm-7:55 am

2 stops28h 15m

$926

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 16% 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

29h 15m

Direct flights

None
The fastest flight from Illinois to Patna takes 29h 15m
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 $894Free CancellationRating
5.5
2,973 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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