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Cheap flights from Chicago to Patna from ₹ 69,920

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 26/1. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — PAT
12 Jan — 19 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Chicago to Patna

Enter your travel dates to find the best prices.

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 13 December 2025.

Wed 24/1213:30ORD - PAT
1 stop32h 40mAir India
Wed 21/113:50PAT - ORD
3 stops57h 10mAir India
Deal found 13/12₹ 152,052
Mon 15/1211:50ORD - PAT
2 stops35h 55mIndiGo
Thu 15/123:10PAT - ORD
2 stops46h 25mIndiGo
Deal found 12/12₹ 169,419
Mon 15/1213:30ORD - PAT
1 stop35h 35mAir India
Thu 15/120:25PAT - ORD
2 stops26h 35mAir India
Deal found 11/12₹ 174,756

Find 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 13 December 2025.

Round-trip from

₹ 69,920
Air India
  • Air India
  • 26/1-2/2
  • 4 total stops
  • 91h 50m total
  • Chicago to Patna
Search Deals

Cheapflights Fare Finder

 
Customise 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 454,620 searches. Data last updated 13 December 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

Mon 26/1

13:30-10:55

1 stop33h 55m

Patna

Mon 2/2

13:05-11:30

3 stops57h 55m

₹ 69,920

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Wed 4/2

20:20-14:10

2 stops30h 20m

Patna

Mon 16/2

23:10-18:25

2 stops30h 45m

₹ 88,916

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Fri 6/2

13:10-22:35

2 stops21h 55m

Patna

Tue 17/2

11:05-07:35

3 stops32h 00m

₹ 89,910

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Sat 9/5

15:15-18:30

2 stops40h 45m

Patna

Sun 26/7

15:30-11:10

2 stops30h 10m

₹ 90,996

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Wed 4/2

13:30-09:40

1 stop32h 40m

Patna

Mon 16/2

13:05-23:10

2 stops45h 35m

₹ 95,700

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Mon 26/1

13:10-09:40

3 stops33h 00m

Patna

Mon 2/2

16:45-11:30

3 stops54h 15m

₹ 98,051

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Fri 6/2

13:30-10:05

1 stop33h 05m

Patna

Tue 17/2

10:25-11:30

1 stop36h 35m

₹ 131,429

Flights are sorted by cheapest return flights first.

Deals found on 11/12

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 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 Chicago to Patna
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 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?

    Most people fly into Patna (PAT) if they book a flight to Patna from Chicago. On average, Patna has 0 inbound flights from Chicago per day from 0 airlines. Patna is conveniently located just 3.0 km from Patna’s city centre.

  • How long is the flight from Chicago to Patna?

    Airlines like Air India and IndiGo fly from Chicago to Patna in about 30h 20m. The time it takes to get you to your destination can typically vary by up to 3h 35m. The distance between Chicago and Patna is about 12458 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • 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 holiday 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

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

Cheapflights makes it easy to find Chicago to Patna flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Chicago to Patna for you. Better yet — we are completely free to use.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Chicago to Patna, users can toggle the no change fees filter when performing a flight search.

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

Yes, Cheapflights offers price alerts on Chicago to Patna flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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