Find flights
When to book
FAQs

Cheap flights from Chicago O'Hare Intl Airport to Patna from ₹ 55,470

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 17/8. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — PAT
12 Jun — 19 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from O'Hare Intl to Patna

Enter your travel dates to find the best prices.

Cheapest flights from O'Hare Intl to Patna
Explore the most affordable flight options available from O'Hare Intl to Patna. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 May 2026.

Mon 26/1018:50
ORD
-
PAT
2 stops36h 20m
Multiple Airlines
Mon 30/1123:10
PAT
-
ORD
2 stops50h 50m
Multiple Airlines
Deal found 13/5₹ 97,742
Sat 31/1018:50
ORD
-
PAT
2 stops34h 40m
Multiple Airlines
Sun 22/1120:15
PAT
-
ORD
2 stops53h 45m
Multiple Airlines
Deal found 10/5₹ 103,959
Wed 24/621:10
ORD
-
PAT
2 stops36h 40m
Multiple Airlines
Fri 10/708:20
PAT
-
ORD
2 stops41h 50m
Multiple Airlines
Deal found 13/5₹ 117,348
Sun 15/1118:50
ORD
-
PAT
2 stops30h 15m
Multiple Airlines
Tue 15/1219:10
PAT
-
ORD
2 stops30h 50m
Multiple Airlines
Deal found 13/5₹ 123,565
Thu 17/917:50
ORD
-
PAT
2 stops34h 55m
British Airways
Mon 21/918:35
PAT
-
ORD
2 stops28h 25m
British Airways
Deal found 12/5₹ 129,781
Wed 24/620:10
ORD
-
PAT
2 stops37h 40m
Multiple Airlines
Wed 8/720:05
PAT
-
ORD
3 stops49h 35m
Multiple Airlines
Deal found 9/5₹ 150,439
Wed 24/611:25
ORD
-
PAT
2 stops35h 55m
IndiGo
Wed 8/722:10
PAT
-
ORD
2 stops46h 00m
IndiGo
Deal found 12/5₹ 156,177
Wed 24/618:00
ORD
-
PAT
2 stops39h 50m
British Airways
Thu 9/718:35
PAT
-
ORD
2 stops33h 30m
British Airways
Deal found 13/5₹ 169,854

Find flight deals from O'Hare Intl to Patna

Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) 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 May 2026.

Round-trip from

₹ 97,742

One-way from

₹ 55,470
26/10-30/11
  • 26/10-30/11
  • 4 total stops
  • 87h 10m total
  • Chicago to Patna
Search Deals
Air France
  • Air France
  • 17/8
  • 2 total stops
  • 28h 15m total
  • Chicago to Patna
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from O'Hare Intl 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 May 2026.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport 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 24/6

21:10-20:20

2 stops36h 40m

Patna

Fri 10/7

08:20-15:40

2 stops41h 50m

₹ 117,348

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Sat 31/10

20:45-07:55

2 stops24h 40m

Patna

Sun 22/11

15:05-14:55

3 stops35h 20m

₹ 122,800

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Thu 17/9

17:50-12:45

2 stops32h 25m

Patna

Mon 21/9

20:55-17:35

2 stops31h 10m

₹ 129,781

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Wed 24/6

11:25-09:50

2 stops35h 55m

Patna

Wed 8/7

22:10-09:40

2 stops46h 00m

₹ 156,177

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Wed 24/6

11:25-12:45

2 stops38h 50m

Patna

Thu 9/7

20:55-09:40

2 stops47h 15m

₹ 156,177

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Wed 24/6

06:00-21:10

2 stops28h 40m

Patna

Wed 8/7

20:05-11:10

3 stops49h 35m

₹ 230,967
Fastest return journey

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Wed 24/6

13:10-21:10

1 stop21h 30m

Patna

Thu 9/7

21:45-16:15

2 stops29h 00m

₹ 267,405
Cheapest one-way

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Wed 14/10

21:10-17:20

2 stops33h 40m

₹ 61,400

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Sun 18/10

20:10-11:45

2 stops29h 05m

₹ 62,165

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Mon 17/8

14:00-07:00

3 stops30h 30m

₹ 62,643

Flights are sorted by cheapest return flights first.

Deals found on 11/5

Showing 1-10 of 14 resultsSorted by cheapest first
1
2

Best time to book a flight from O'Hare Intl to Patna

Have a flexible travel schedule? Discover the best time to fly to Patna from O'Hare Intl 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.

Related info for your journey

Find useful and relevant information for your journey from O'Hare Intl 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 O'Hare Intl?

    Patna (PAT), located 3.0 km from the city centre, is the airport you fly into when you book flights from Chicago O'Hare Intl to Patna. 0 airlines have flights to Patna from Chicago O'Hare Intl on a regular basis. Booking flights from Chicago O'Hare Intl to Patna should not be difficult; the airport handles an average of 0 inbound flights from Chicago O'Hare Intl per day.

  • How long is the flight from Chicago O'Hare Intl Airport to Patna?

    For as low as ₹ 129,781, British Airways can have you in Patna from Chicago O'Hare Intl Airport in 32h 25m. Chicago O'Hare Intl Airport and Patna are separated by a distance of 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 O'Hare Intl to Patna that include hotel bookings?

    Yes. In addition to deals on O'Hare Intl to Patna flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from O'Hare Intl to Patna?

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

  • Can I find deals for business class flights from O'Hare Intl to Patna?

    Yes. Cheapflights offers flight deals from O'Hare Intl 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Direct flights to Bihar

Book a non-stop flight to one of these other cities located in Bihar.
Direct flights to Patna
Direct flights to Darbhanga
Direct flights to Gaya

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from O'Hare Intl to Patna?

Cheapflights helps you search for flights from O'Hare Intl to Patna 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 O'Hare Intl to Patna?

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

Can Cheapflights find flights from O'Hare Intl to Patna with no change fees?

Certainly. Search results for flights to Patna from O'Hare Intl shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from O'Hare Intl to Patna become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book With Flexibility

Our users can plan ahead with confidence and find flights with no change fees.

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.