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$796+ Cheap flights from Chicago (CHI) to Patna (PAT)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/17. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — PAT
oct. 17 — oct. 241
vie. 10/17
vie. 10/24
1 adult, Economy
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Cheap flight deals from Chicago to Patna

Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) to Patna (PAT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated septiembre 17, 2025.

Round-trip from

$1,036
(Mytrip)

One-way from

$796
(Indian Eagle)
From Chicago (CHI) to Patna
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One-way flight from Chicago (CHI) to Patna
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Find flight deals from Chicago to Patna

Cheapest flights from Chicago to Patna
Explore the most affordable flight options available from Chicago to Patna. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septiembre 17, 2025.

This Mytrip deal was found by Cheapflights users on 9/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/317:50 pmORD - PAT
3 stops32h 15mMultiple Airlines
vie. 11/73:40 pmPAT - ORD
3 stops34h 55mMultiple Airlines
Deal found 9/16$1,036
This oojo deal was found by Cheapflights users on 9/17. 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.
sáb. 11/16:45 amORD - PAT
2 stops28h 45mAir India
sáb. 11/1510:40 pmPAT - ORD
2 stops24h 20mAir India
Deal found 9/17$1,059
This oojo deal was found by Cheapflights users on 9/16. 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.
sáb. 11/16:45 amORD - PAT
2 stops24h 30mAir India
sáb. 11/84:05 pmPAT - ORD
2 stops30h 55mAir India
Deal found 9/16$1,070
This oojo deal was found by Cheapflights users on 9/16. 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.
vie. 10/312:30 pmORD - PAT
1 stop21h 00mAir India
vie. 11/77:10 pmPAT - ORD
2 stops37h 12mAir India
Deal found 9/16$1,104
This oojo deal was found by Cheapflights users on 9/15. 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.
vie. 10/171:10 pmORD - PAT
1 stop22h 20mAir India
sáb. 11/87:10 pmPAT - ORD
2 stops27h 50mAir India
Deal found 9/15$1,138
This Mytrip deal was found by Cheapflights users on 9/17. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/17:50 pmORD - PAT
3 stops27h 20mMultiple Airlines
sáb. 11/154:50 pmPAT - ORD
3 stops54h 10mMultiple Airlines
Deal found 9/17$1,143

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated septiembre 17, 2025.
Use the filters below to find and compare flights from Chicago to Patna that are best for you.

Fly from

Chicago

Fly to

Patna

Route

Depart

Return

Price

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

sáb. 11/1

6:45 am-10:00 pm

2 stops28h 45m

Patna

sáb. 11/15

10:40 pm-11:30 am

2 stops24h 20m

$1,059

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

sáb. 11/1

6:45 am-5:45 pm

2 stops24h 30m

Patna

sáb. 11/8

4:05 pm-11:30 am

2 stops30h 55m

$1,070

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

mié. 2/4

1:30 pm-10:00 pm

1 stop21h 00m

Patna

lun. 2/16

1:55 pm-9:33 pm

2 stops43h 08m

$1,075

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

vie. 10/31

2:30 pm-10:00 am

1 stop33h 00m

Patna

vie. 11/7

4:50 pm-11:30 am

3 stops54h 10m

$1,112

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

vie. 10/17

1:10 pm-10:00 pm

1 stop22h 20m

Patna

sáb. 11/8

7:10 pm-11:30 am

2 stops27h 50m

$1,138

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

sáb. 11/1

7:50 pm-9:40 am

3 stops27h 20m

Patna

sáb. 11/15

4:50 pm-11:30 am

3 stops54h 10m

$1,143

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

vie. 10/17

1:10 pm-12:40 pm

1 stop37h 00m

$796

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Best time to book a flight from Chicago to Patna

Have a flexible travel schedule? Discover the best time to fly to Patna from Chicago 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 Chicago to Patna
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Patna

Get insights into the airlines that provide service to Patna. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Patna. Reviews last updated septiembre 17, 2025.
Get a feel of what it's like to fly with Air India from Chicago to Patna by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air India
5.5
Fair
2,932 reviews

Overall

5.5

Boarding

6.2

Crew

6.6

Comfort

5.5

Food

5.8

Entertainment

4.6

Reviews

1 / 20
6.0
Good

Anonymous,Sep 2024

SFO - DEL

It wasn't what I expected. The aircraft was falling apart literally. Was dirty, the tv didn't work,food was horrible, my trip was delayed 20 hours at the Last minute. I would not travel with air India any more
Air India
5.5
Fair
2,932 reviews
Air India
5.5
Fair
2,932 reviews

Overall

5.5

Boarding

6.2

Crew

6.6

Comfort

5.5

Food

5.8

Entertainment

4.6

Reviews

1 / 20
6.0
Good

Anonymous,Sep 2024

SFO - DEL

It wasn't what I expected. The aircraft was falling apart literally. Was dirty, the tv didn't work,food was horrible, my trip was delayed 20 hours at the Last minute. I would not travel with air India any more

Related info for your journey

Find useful and relevant information for your journey from Chicago 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 Chicago?

    For a flight from Chicago to Patna, you will be flying into Patna. Patna (PAT) is just 1.8 mi from the center of the city. Patna is the only Patna airport and it handles 0 inbound flights from Chicago per day. 1 airline has flights to Patna from Chicago on a regular basis.

  • How long is the flight from Chicago to Patna?

    A quick flight from Chicago to Patna can take about 28h 45m. Air India provides one of the quickest options available for as low as $1,059. The distance from Chicago to Patna is about 7741 mi.

  • What is the cheapest airline to fly from Chicago to Patna round-trip?

    Air India, at $836, was found to be the cheapest airline from Chicago to Patna..

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Chicago 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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Alternative routes for Chicago to Patna

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to Patna flights

Top airline flying from Chicago to Patna

Discover the top airline that operate flights from Chicago 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 septiembre 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air IndiaCheapest$836Average$1,064FlexibilityNo cancel feeOn-timeN/A

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