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$648+ Cheap flights from Patna (PAT) to Chicago (CHI)

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 3/26. Fares are subject to change and may not be available on all flights or dates of travel.
PAT — CHI
Mar 14 — Mar 211
Sat 3/14
Sat 3/21
1 adult, Economy
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Cheap flight deals from Patna to Chicago

Cheapest flights from Patna to Chicago
Explore the most affordable flight options available from Patna to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 12, 2026.

This oojo deal was found by Cheapflights users on 2/12. 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.
Tue 4/283:30 pm
PAT
-
ORD
2 stops30h 10m
Air India
Wed 10/71:10 pm
ORD
-
PAT
1 stop40h 45m
Air India
Deal found 2/12$999
This Trip.com deal was found by Cheapflights users on 2/8. 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.
Thu 3/268:15 pm
PAT
-
ORD
2 stops46h 50m
Multiple Airlines
Thu 4/22:00 pm
ORD
-
PAT
2 stops33h 20m
Multiple Airlines
Deal found 2/8$1,119
This Kiwi.com deal was found by Cheapflights users on 2/11. 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.
Sun 3/297:25 pm
PAT
-
ORD
2 stops47h 40m
Multiple Airlines
Sun 4/51:10 pm
ORD
-
PAT
1 stop21h 20m
Multiple Airlines
Deal found 2/11$1,132

Find flight deals from Patna to Chicago

Discover tips and strategies to find the most affordable flight options for your journey from Patna (PAT) to Chicago (CHI). 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 February 12, 2026.

Round-trip from

$999
(oojo)

One-way from

$648
(EaseMyTrip)
From Patna to Chicago (CHI)
Search Deals
One-way flight from Patna to Chicago (CHI)
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Patna to Chicago 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 February 12, 2026.
Use the filters below to find and compare flights from Patna to Chicago that are best for you.

Fly from

Patna

Fly to

Chicago

Route

Depart

Return

Price

PatnaChicago

PAT - ORD

PATORD

Patna

Tue 4/28

1:15 pm-11:10 am

2 stops32h 25m

Chicago O'Hare Intl

Wed 10/7

1:10 pm-12:35 pm

1 stop36h 55m

$999

PatnaChicago

PAT - ORD

PATORD

Patna

Thu 3/26

10:25 am-12:30 pm

2 stops36h 35m

$648

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/9

Best time to book a flight from Patna to Chicago

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

Related info for your journey

Find useful and relevant information for your journey from Patna to Chicago. 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 from for flights from Patna to Chicago?

    Patna (PAT), located 1.8 mi from the city center, is the airport you fly out of when you book flights from Patna to Chicago. 1 airline have flights from Patna to Chicago on a regular basis. Booking flights from Patna to Chicago should not be difficult; the airport handles an average of 0 outbound flights to Chicago per day.

  • How long is the flight from Patna to Chicago?

    For as low as $999, Air India can have you in Chicago from Patna in 32h 25m. The distance between Patna and Chicago is about 7741 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Patna to Chicago 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

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Lansing
Merrillville
Hammond
Porter
Benton Harbor

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Alternative routes for Patna to Chicago

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

Top airline flying from Patna to Chicago

Discover the top airline that operate flights from Patna to Chicago. 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 February 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air IndiaCheapest$1,010Average$1,239FlexibilityNo cancel feeOn-timeN/A

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