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Cheap flights from Chicago to Patna from ₹ 96,798

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/4. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — PAT
29 Apr — 6 May1
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 March 2026.

Wed 1/413:00
ORD
-
PAT
2 stops38h 35m
Multiple Airlines
Wed 8/414:40
PAT
-
ORD
2 stops29h 05m
Multiple Airlines
Deal found 28/3₹ 96,798
Mon 30/1114:30
ORD
-
PAT
1 stop31h 40m
Air India
Tue 29/1219:10
PAT
-
ORD
2 stops27h 50m
Air India
Deal found 28/3₹ 125,723
Wed 23/917:50
ORD
-
PAT
2 stops32h 25m
British Airways
Sun 27/921:00
PAT
-
ORD
2 stops26h 00m
British Airways
Deal found 28/3₹ 128,087
Sun 29/1114:30
ORD
-
PAT
1 stop31h 40m
Air India
Tue 29/1219:10
PAT
-
ORD
2 stops27h 50m
Air India
Deal found 28/3₹ 128,559
Wed 2/1214:30
ORD
-
PAT
1 stop36h 40m
Air India
Tue 29/1210:25
PAT
-
ORD
2 stops36h 35m
Air India
Deal found 28/3₹ 131,490
Fri 4/1214:30
ORD
-
PAT
1 stop20h 35m
Multiple Airlines
Tue 29/1221:25
PAT
-
ORD
2 stops25h 35m
Multiple Airlines
Deal found 28/3₹ 134,609
Tue 7/413:00
ORD
-
PAT
2 stops31h 30m
Multiple Airlines
Thu 9/414:00
PAT
-
ORD
2 stops29h 45m
Multiple Airlines
Deal found 27/3₹ 138,201

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 March 2026.

Round-trip from

₹ 128,087
British Airways
  • British Airways
  • 23/9-27/9
  • 4 total stops
  • 58h 25m 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 March 2026.
Use the filters below to find and compare flights from Chicago to Patna that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Wed 23/9

17:50-12:45

2 stops32h 25m

Patna

Sun 27/9

21:00-12:30

2 stops26h 00m

₹ 128,087
Fastest return journey

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Fri 29/5

06:15-21:10

2 stops28h 25m

Patna

Fri 12/6

21:45-16:01

2 stops28h 46m

₹ 317,239

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Mon 21/9

21:00-15:15

2 stops31h 45m

Patna

Thu 24/9

18:35-15:55

2 stops31h 50m

₹ 779,012

Flights are sorted by cheapest return flights first.

Deals found on 28/3

Sorted by cheapest first

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 British Airways fly from Chicago to Patna in about 32h 25m. 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

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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