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Patna

$892+ Cheap flights from Illinois to Patna (PAT)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/25. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — PAT
Nov 1 — Nov 81
Sat 11/1
Sat 11/8
1 adult, Economy
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Cheap flight deals from Illinois to Patna

Keep the following information in mind while searching for Illinois to Patna flight deals. Data was last updated October 2, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$892
(oojo)
Provider with most accurate pricing for Chicago (CHI)-Patna flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-Patna flights.
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From Illinois to Patna
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Find flight deals from Illinois to Patna

Cheapest flights from Illinois to Patna
Explore the most affordable flight options available from Illinois to Patna. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 2, 2025.

This oojo deal was found by Cheapflights users on 10/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/258:34 amORD - PAT
2 stops44h 41mAir India
Sat 11/1510:40 amPAT - ORD
2 stops36h 20mAir India
Deal found 10/2$892
This Kiwi.com deal was found by Cheapflights users on 10/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/259:20 pmORD - PAT
2 stops30h 55mMultiple Airlines
Sun 11/167:10 pmPAT - ORD
2 stops27h 50mMultiple Airlines
Deal found 10/2$1,030
This FlightHub deal was found by Cheapflights users on 10/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/241:10 pmORD - PAT
1 stop22h 20mAir India
Sun 11/164:05 pmPAT - ORD
2 stops30h 55mAir India
Deal found 10/2$1,048
This Indian Eagle deal was found by Cheapflights users on 10/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Indian Eagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/241:10 pmORD - PAT
1 stop34h 20mAir India
Sat 11/154:05 pmPAT - ORD
2 stops30h 55mAir India
Deal found 10/2$1,051
This Kiwi.com deal was found by Cheapflights users on 10/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/247:50 pmORD - PAT
2 stops49h 20mMultiple Airlines
Sun 11/167:10 pmPAT - ORD
2 stops27h 50mMultiple Airlines
Deal found 10/2$1,052
This Trip.com deal was found by Cheapflights users on 10/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/106:50 pmORD - PAT
2 stops35h 25mMultiple Airlines
Wed 1/216:20 pmPAT - ORD
2 stops33h 30mMultiple Airlines
Deal found 10/2$1,096
This Kiwi.com deal was found by Cheapflights users on 10/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/112:50 pmORD - PAT
2 stops37h 15mMultiple Airlines
Sat 11/157:10 pmPAT - ORD
2 stops27h 50mMultiple Airlines
Deal found 10/2$1,100
This Trip.com deal was found by Cheapflights users on 10/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/66:50 pmORD - PAT
2 stops35h 25mMultiple Airlines
Sun 1/186:20 pmPAT - ORD
2 stops35h 35mMultiple Airlines
Deal found 10/2$1,111
This oojo deal was found by Cheapflights users on 10/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/16:45 amORD - PAT
2 stops28h 45mAir India
Sat 11/1510:40 pmPAT - ORD
2 stops24h 20mAir India
Deal found 10/2$1,114

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated October 2, 2025.
Use the filters below to find and compare flights from Illinois to Patna that are best for you.

Fly from

Illinois

Fly to

Patna

Route

Depart

Return

Price

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Sat 10/25

8:34 am-3:45 pm

2 stops44h 41m

Patna

Sat 11/15

10:40 am-11:30 am

2 stops36h 20m

$892

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Fri 10/24

1:10 pm-10:00 pm

1 stop22h 20m

Patna

Sun 11/16

4:05 pm-11:30 am

2 stops30h 55m

$1,048

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Wed 12/10

6:50 pm-5:45 pm

2 stops35h 25m

Patna

Wed 1/21

6:20 pm-4:20 pm

2 stops33h 30m

$1,096

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Sat 11/1

12:50 pm-12:35 pm

2 stops37h 15m

Patna

Sat 11/15

7:10 pm-11:30 am

2 stops27h 50m

$1,100

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Sat 12/6

6:50 pm-5:45 pm

2 stops35h 25m

Patna

Sun 1/18

6:20 pm-6:25 pm

2 stops35h 35m

$1,111

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Sat 11/1

6:45 am-10:00 pm

2 stops28h 45m

Patna

Sat 11/15

10:40 pm-11:30 am

2 stops24h 20m

$1,114

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Sat 10/25

9:20 pm-2:45 pm

2 stops30h 55m

Patna

Sat 11/15

7:10 pm-11:30 am

2 stops27h 50m

$1,123

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Wed 2/4

1:30 pm-10:00 pm

1 stop21h 00m

Patna

Mon 2/16

1:55 pm-9:33 pm

2 stops43h 08m

$1,125

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/2

Best time to book a flight from Illinois to Patna

Have a flexible travel schedule? Discover the best time to fly to Patna from Illinois with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Illinois to Patna

How much does it cost to fly round-trip from Illinois to Patna?

Related info for your journey

Find useful and relevant information for your journey from Illinois to Patna. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Patna from Illinois?

    If you book a flight to Patna from Illinois, you will be flying to Patna, which is the city’s only airport. Patna (PAT) is located 1.8 mi from the center of Patna.

  • How long is the flight from Illinois to Patna?

    Air India can get you from Illinois to Patna in just under 44h 41m. Your travel time can differ by up to . The distance between Illinois and Patna is about 7741 mi.

  • Can I find deals for flights from Illinois to Patna that include hotel bookings?

    Yes. In addition to deals on Illinois to Patna flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Illinois to Patna?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Patna.

  • Can I find deals for business class flights from Illinois to Patna?

    Yes. Cheapflights offers flight deals from Illinois to Patna by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Top airline flying from Illinois to Patna

Discover the top airline that operate flights from Illinois to Patna. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air IndiaCheapest$836Average$1,067FlexibilityNo cancel feeOn-timeN/A

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