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$905+ Cheap flights from Chicago (CHI) 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 9/13. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — PAT
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
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 July 31, 2025.

Round-trip from

$905
(oojo)
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 July 31, 2025.

This oojo deal was found by Cheapflights users on 7/30. 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 9/138:34 amORD - PAT
2 stops44h 26mAir India
Sat 9/203:10 pmPAT - ORD
2 stops50h 45mAir India
Deal found 7/30$905
This Mytrip deal was found by Cheapflights users on 7/30. 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.
Sat 9/131:55 pmORD - PAT
3 stops33h 35mMultiple Airlines
Sat 9/203:10 pmPAT - ORD
2 stops28h 05mMultiple Airlines
Deal found 7/30$963
This Booking.com deal was found by Cheapflights users on 7/31. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/218:20 pmORD - PAT
2 stops36h 45mIndiGo
Sun 11/3011:50 amPAT - ORD
2 stops42h 05mIndiGo
Deal found 7/31$1,281
This Air France deal was found by Cheapflights users on 7/31. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/235:10 pmORD - PAT
2 stops28h 15mAir France
Sat 9/276:20 pmPAT - ORD
2 stops31h 10mAir France
Deal found 7/31$1,734

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 July 31, 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

Sat 9/13

8:34 am-3:30 pm

2 stops44h 26m

Patna

Sat 9/20

3:10 pm-7:25 am

2 stops50h 45m

$905

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Sat 9/13

1:55 pm-10:00 am

3 stops33h 35m

Patna

Sat 9/20

3:10 pm-8:45 am

2 stops28h 05m

$963

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Fri 11/21

8:20 pm-8:35 pm

2 stops36h 45m

Patna

Sun 11/30

11:50 am-6:25 pm

2 stops42h 05m

$1,281

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Tue 9/23

5:10 pm-7:55 am

2 stops28h 15m

Patna

Sat 9/27

6:20 pm-3:00 pm

2 stops31h 10m

$1,734

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

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 July 31, 2025.
Get a feel of what it's like to fly with Air France, IndiGo, and 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 France
7.5
Good
1,465 reviews

Entertainment

7.0

Comfort

7.4

Boarding

7.4

Food

7.0

Overall

7.5

Crew

8.1

Reviews

1 / 20
10.0
Excellent

SYLVIA,Apr 2025

TLV - CDG

A newer plane. The flight from TelAviv to Paris was on a new aircraft, wider seat. ,more privacy. Nice toilets. The flight from Paris to Santiago Chile was on a very old aircraft. Awful toilets, outmoded sits etc.
Air France
7.5
Good
1,465 reviews
Air France
7.5
Good
1,465 reviews

Entertainment

7.0

Comfort

7.4

Boarding

7.4

Food

7.0

Overall

7.5

Crew

8.1

Reviews

1 / 20
10.0
Excellent

SYLVIA,Apr 2025

TLV - CDG

A newer plane. The flight from TelAviv to Paris was on a new aircraft, wider seat. ,more privacy. Nice toilets. The flight from Paris to Santiago Chile was on a very old aircraft. Awful toilets, outmoded sits etc.
IndiGo
6.8
Okay
478 reviews
Air France
7.5
Good
1,465 reviews

Entertainment

7.0

Comfort

7.4

Boarding

7.4

Food

7.0

Overall

7.5

Crew

8.1

Reviews

1 / 20
10.0
Excellent

SYLVIA,Apr 2025

TLV - CDG

A newer plane. The flight from TelAviv to Paris was on a new aircraft, wider seat. ,more privacy. Nice toilets. The flight from Paris to Santiago Chile was on a very old aircraft. Awful toilets, outmoded sits etc.
Air India
5.5
Fair
2,928 reviews
Air France
7.5
Good
1,465 reviews

Entertainment

7.0

Comfort

7.4

Boarding

7.4

Food

7.0

Overall

7.5

Crew

8.1

Reviews

1 / 20
10.0
Excellent

SYLVIA,Apr 2025

TLV - CDG

A newer plane. The flight from TelAviv to Paris was on a new aircraft, wider seat. ,more privacy. Nice toilets. The flight from Paris to Santiago Chile was on a very old aircraft. Awful toilets, outmoded sits etc.

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.

  • What are the cheapest airlines flying from Chicago to Patna round-trip?

    Air India, at $905, was found to be the cheapest airline from Chicago to Patna.Alternate airlines to your destination round-trip include IndiGo and Air France.

  • 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 July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air IndiaCheapest$848Average$1,100FlexibilityNo cancel feeOn-timeN/A

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