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Cheap flights from Chicago to Patna from ₹ 76,767

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 13/2. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — PAT
29 Jan — 5 Feb1
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 30 December 2025.

Mon 29/1213:10ORD - PAT
2 stops36h 30mMultiple Airlines
Sat 10/121:40PAT - ORD
2 stops25h 20mMultiple Airlines
Deal found 28/12₹ 199,378
Mon 29/1213:30ORD - PAT
1 stop37h 40mAir India
Sat 10/113:05PAT - ORD
2 stops42h 01mAir India
Deal found 28/12₹ 205,580

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 30 December 2025.

Round-trip from

₹ 76,767
Air India
  • Air India
  • 13/2-22/2
  • 3 total stops
  • 59h 10m total
  • Chicago to Patna
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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 30 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

Fri 13/2

13:30-10:05

1 stop33h 05m

Patna

Sun 22/2

20:55-11:30

2 stops26h 05m

₹ 76,767

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Sat 14/2

13:10-17:20

2 stops40h 40m

Patna

Sun 22/2

20:45-07:35

2 stops46h 20m

₹ 88,902

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Fri 13/2

13:10-10:10

3 stops33h 30m

Patna

Sun 22/2

17:45-14:30

2 stops32h 15m

₹ 93,307

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Wed 4/2

13:30-12:35

1 stop35h 35m

Patna

Mon 16/2

16:45-11:30

3 stops54h 15m

₹ 95,374

Flights are sorted by cheapest return flights first.

Deals found on 28/12

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 fly from Chicago to Patna in about 33h 05m. The time it takes to get you to your destination can typically vary by up to . The distance between Chicago and Patna is about 12458 km.

  • 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

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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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