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Cheap flights from Patna to Chicago from ₹ 68,016

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 24/9. Fares are subject to change and may not be available on all flights or dates of travel.
PAT — CHI
13 Sep — 20 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Patna to Chicago

Enter your travel dates to find the best prices.

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 14 August 2026.

Thu 10/911:35 -
2 stops31h 30m
Wed 16/914:00 -
3 stops30h 30m
Deal found 11/8₹ 102,644
Thu 24/915:20 -
2 stops39h 00m
Thu 1/1021:50 -
2 stops25h 20m
Deal found 9/8₹ 113,329
Sat 26/919:10 -
2 stops35h 10m
Sat 3/1021:50 -
2 stops25h 20m
Deal found 11/8₹ 115,904
Tue 8/919:10 -
2 stops29h 50m
Tue 15/917:10 -
2 stops27h 20m
Deal found 9/8₹ 121,532
Mon 21/919:10 -
2 stops30h 25m
Thu 8/1019:20 -
2 stops36h 40m
Deal found 9/8₹ 123,917
Wed 9/919:10 -
2 stops54h 25m
Wed 16/919:20 -
2 stops27h 50m
Deal found 10/8₹ 124,680

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 14 August 2026.

Round-trip from

₹ 102,644

One-way from

₹ 68,016
10/9-16/9
  • 10/9-16/9
  • 5 total stops
  • 62h 00m total
  • Patna to Chicago
Search Deals
24/9
  • 24/9
  • 2 total stops
  • 30h 25m total
  • Patna to Chicago
Search Deals

Cheapflights Fare Finder

 
Customise 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 454,620 searches. Data last updated 14 August 2026.
Use the filters below to find and compare flights from Patna to Chicago that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

PatnaChicago

PAT Patna - ORD Chicago O'Hare Intl

PATORD

Patna

Thu 10/9

11:35-08:35

2 stops31h 30m

Chicago O'Hare Intl

Wed 16/9

14:00-07:00

3 stops30h 30m

₹ 102,644
Fastest return journey

PatnaChicago

PAT Patna - ORD Chicago O'Hare Intl

PATORD

Patna

Tue 8/9

19:10-14:30

2 stops29h 50m

Chicago O'Hare Intl

Tue 15/9

17:10-07:00

2 stops27h 20m

₹ 121,532

PatnaChicago

PAT Patna - ORD Chicago O'Hare Intl

PATORD

Patna

Mon 21/9

19:10-15:05

2 stops30h 25m

Chicago O'Hare Intl

Thu 8/10

19:20-18:30

2 stops36h 40m

₹ 123,917

PatnaChicago

PAT Patna - ORD Chicago O'Hare Intl

PATORD

Patna

Wed 9/9

19:10-15:05

2 stops54h 25m

Chicago O'Hare Intl

Wed 16/9

19:20-09:40

2 stops27h 50m

₹ 124,680

PatnaChicago

PAT Patna - ORD Chicago O'Hare Intl

PATORD

Patna

Fri 11/9

19:10-15:05

2 stops54h 25m

Chicago O'Hare Intl

Fri 18/9

19:20-14:50

2 stops33h 00m

₹ 130,499

PatnaChicago

PAT Patna - ORD Chicago O'Hare Intl

PATORD

Patna

Sat 26/9

14:25-08:35

3 stops28h 40m

Chicago O'Hare Intl

Sat 3/10

14:00-10:30

3 stops34h 00m

₹ 131,358
Cheapest one-way
Fastest single journey

PatnaChicago

PAT Patna - ORD Chicago O'Hare Intl

PATORD

Patna

Thu 24/9

19:10-15:05

2 stops30h 25m

₹ 68,016

PatnaChicago

PAT Patna - ORD Chicago O'Hare Intl

PATORD

Patna

Wed 9/9

19:10-15:05

2 stops54h 25m

₹ 71,069

PatnaChicago

PAT Patna - ORD Chicago O'Hare Intl

PATORD

Patna

Sun 27/9

19:10-09:40

2 stops49h 00m

₹ 71,641

PatnaChicago

PAT Patna - ORD Chicago O'Hare Intl

PATORD

Patna

Wed 9/9

18:35-07:20

3 stops47h 15m

₹ 181,249

Flights are sorted by cheapest return flights first.

Deals found on 9/8

Showing 1-10 of 11 resultsSorted by cheapest first
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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 return 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) is the airport you will fly out of if you book a flight from Patna to Chicago. You should not have trouble finding flights to Chicago from Patna; the airport handles an average of 0 outbound flights to Chicago per day. You should also have plenty of airline options to choose from since 0 airlines have flights from the Patna airport to Chicago. It is only a 3.0 km journey to Patna (PAT) from Patna’s city centre.

  • 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 holiday 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

Browse thousands of different options on Cheapflights for your next trip

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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

Fly with Cheapflights

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How does Cheapflights help users find flights from Patna to Chicago?

Cheapflights helps you search for flights from Patna to Chicago via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Patna to Chicago?

Millions of users choose and trust Cheapflights to book the best flight deals from Patna to Chicago for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Patna to Chicago with no change fees?

Yes! Cheapflights helps users easily find flights from Patna to Chicago with no change fees.

Can Cheapflights notify me if prices for flights from Patna to Chicago become cheaper?

Yes! Start tracking prices for Patna to Chicago flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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