Find flights
When to book
FAQs

Cheap flights from Patna to Chicago O'Hare Intl Airport from ₹ 71,135

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

Cheap flight deals from Patna to O'Hare Intl

Enter your travel dates to find the best prices.

Cheapest flights from Patna to O'Hare Intl
Explore the most affordable flight options available from Patna to O'Hare Intl. 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₹ 102,740
Mon 28/907:35 -
3 stops35h 30m
Mon 5/1014:00 -
3 stops31h 15m
Deal found 14/8₹ 111,143
Sat 26/919:10 -
2 stops35h 10m
Sat 3/1021:50 -
2 stops25h 20m
Deal found 11/8₹ 116,013
Mon 14/919:10 -
2 stops54h 25m
Mon 21/919:20 -
2 stops36h 40m
Deal found 14/8₹ 124,224
Wed 9/919:10 -
2 stops54h 25m
Wed 16/919:20 -
2 stops27h 50m
Deal found 10/8₹ 124,797
Sun 13/919:10 -
2 stops30h 25m
Sun 20/919:20 -
2 stops33h 00m
Deal found 14/8₹ 130,431
Fri 11/919:10 -
2 stops54h 25m
Fri 18/919:20 -
2 stops33h 00m
Deal found 12/8₹ 130,622

Find flight deals from Patna to O'Hare Intl

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

₹ 102,740

One-way from

₹ 68,080
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 O'Hare Intl 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 O'Hare Intl Airport 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

₹ 102,740

PatnaChicago

PAT Patna - ORD Chicago O'Hare Intl

PATORD

Patna

Mon 28/9

13:25-08:35

2 stops29h 40m

Chicago O'Hare Intl

Mon 5/10

14:00-07:45

3 stops31h 15m

₹ 112,671
Fastest return journey

PatnaChicago

PAT Patna - ORD Chicago O'Hare Intl

PATORD

Patna

Sat 26/9

19:10-19:50

2 stops35h 10m

Chicago O'Hare Intl

Sat 3/10

21:50-09:40

2 stops25h 20m

₹ 116,013

PatnaChicago

PAT Patna - ORD Chicago O'Hare Intl

PATORD

Patna

Mon 14/9

19:10-15:05

2 stops54h 25m

Chicago O'Hare Intl

Mon 21/9

19:20-18:30

2 stops36h 40m

₹ 124,224

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

₹ 124,797

PatnaChicago

PAT Patna - ORD Chicago O'Hare Intl

PATORD

Patna

Sun 13/9

19:10-15:05

2 stops30h 25m

Chicago O'Hare Intl

Sun 20/9

19:20-14:50

2 stops33h 00m

₹ 130,431

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

₹ 130,622
Cheapest one-way

PatnaChicago

PAT Patna - ORD Chicago O'Hare Intl

PATORD

Patna

Wed 9/9

19:10-15:05

2 stops54h 25m

₹ 71,135

PatnaChicago

PAT Patna - ORD Chicago O'Hare Intl

PATORD

Patna

Sun 27/9

19:10-09:40

2 stops49h 00m

₹ 71,708
Fastest single journey

PatnaChicago

PAT Patna - ORD Chicago O'Hare Intl

PATORD

Patna

Wed 9/9

18:35-07:20

3 stops47h 15m

₹ 181,419

Flights are sorted by cheapest return flights first.

Deals found on 12/8

Sorted by cheapest first

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

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

Related info for your journey

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

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

  • Can I find deals for flights from Patna to O'Hare Intl that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from Patna to O'Hare Intl 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

Travelling to a place near Chicago O'Hare Intl Airport?

Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locations
Downers Grove
DeKalb

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.

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 Patna to O'Hare Intl?

When you search for this flight from Patna to O'Hare Intl, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Patna to O'Hare Intl?

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

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

Yes, we can. To see specific flights from Patna to O'Hare Intl with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Yes, Cheapflights offers price alerts on Patna to O'Hare Intl 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.

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.