Find flights
When to book
FAQs

Cheap flights from Chicago O'Hare Intl Airport to Patna from ₹ 77,618

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/2. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — PAT
15 Jan — 22 Jan1
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 16 December 2025.

Wed 24/1213:30ORD - PAT
2 stops35h 30mAir India
Wed 21/113:50PAT - ORD
3 stops57h 10mAir India
Deal found 16/12₹ 151,791
Mon 15/1207:00ORD - PAT
2 stops66h 00mAir India
Thu 15/119:10PAT - ORD
2 stops27h 50mAir India
Deal found 14/12₹ 192,867
Mon 15/1211:50ORD - PAT
2 stops45h 15mIndiGo
Thu 15/123:10PAT - ORD
2 stops46h 25mIndiGo
Deal found 15/12₹ 219,435
Mon 15/1221:08ORD - PAT
2 stops33h 52mMultiple Airlines
Thu 15/110:25PAT - ORD
1 stop36h 35mMultiple Airlines
Deal found 15/12₹ 406,590

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 16 December 2025.

Round-trip from

₹ 77,618

Popular in

December

Cheapest in

January

Average price

₹ 164,214
Air India
  • Air India
  • 4/2-16/2
  • 4 total stops
  • 90h 35m total
  • Chicago to Patna
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (₹ 1,124,166 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease (₹ 659,155 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
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 16 December 2025.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Patna that are best for you.

Fly from

O'Hare Intl

Fly to

Patna

Route

Depart

Return

Price

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Wed 4/2

13:30-09:40

1 stop32h 40m

Patna

Mon 16/2

13:05-11:30

3 stops57h 55m

₹ 77,618

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Wed 20/5

13:10-12:30

2 stops36h 50m

Patna

Tue 4/8

13:05-11:10

3 stops32h 35m

₹ 89,406

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Mon 5/1

13:30-12:35

1 stop35h 35m

Patna

Mon 26/1

20:20-11:30

3 stops50h 40m

₹ 98,474

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Wed 20/5

21:50-09:40

2 stops25h 20m

Patna

Tue 4/8

19:10-11:10

2 stops26h 30m

₹ 136,648

Flights are sorted by cheapest return flights first.

Deals found on 14/12

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.

Cheapflights Insights

Everything you need to know about your flight from Chicago O'Hare Intl Airport to Patna

How much does it cost for a return flight from Chicago O'Hare Intl Airport to Patna?

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 ₹ 89,134, Air India can have you in Patna from Chicago O'Hare Intl Airport in 30h 20m. 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.