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Cheap flights from Patna to Chicago O'Hare Intl Airport from ₹ 75,704

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 29/3. Fares are subject to change and may not be available on all flights or dates of travel.
PAT — ORD
17 Mar — 24 Mar1
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 15 February 2026.

Mon 30/311:05
PAT
-
ORD
2 stops56h 00m
Multiple Airlines
Mon 6/413:10
ORD
-
PAT
1 stop32h 15m
Multiple Airlines
Deal found 13/2₹ 86,661
Tue 28/415:30
PAT
-
ORD
2 stops30h 10m
Air India
Wed 7/1013:10
ORD
-
PAT
1 stop40h 45m
Air India
Deal found 12/2₹ 90,465
Tue 31/314:40
PAT
-
ORD
2 stops34h 40m
Multiple Airlines
Tue 7/414:00
ORD
-
PAT
3 stops33h 10m
Multiple Airlines
Deal found 14/2₹ 98,524
Tue 28/419:10
PAT
-
ORD
2 stops26h 30m
Multiple Airlines
Wed 7/1006:45
ORD
-
PAT
2 stops25h 15m
Multiple Airlines
Deal found 15/2₹ 101,241
Sun 29/319:25
PAT
-
ORD
2 stops47h 40m
Multiple Airlines
Sun 5/413:10
ORD
-
PAT
1 stop21h 20m
Multiple Airlines
Deal found 11/2₹ 102,508

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 15 February 2026.

Round-trip from

₹ 86,661

One-way from

₹ 75,704
30/3-6/4
  • 30/3-6/4
  • 3 total stops
  • 88h 15m total
  • Patna to Chicago
Search Deals
Air India
  • Air India
  • 29/3
  • 2 total stops
  • 32h 35m 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 15 February 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

Patna

Fly to

O'Hare Intl

Route

Depart

Return

Price

PatnaChicago

PAT - ORD

PATORD

Patna

Mon 30/3

11:05-08:35

2 stops56h 00m

Chicago O'Hare Intl

Mon 6/4

13:10-07:55

1 stop32h 15m

₹ 86,661

PatnaChicago

PAT - ORD

PATORD

Patna

Tue 28/4

15:30-11:10

2 stops30h 10m

Chicago O'Hare Intl

Wed 7/10

13:10-16:25

1 stop40h 45m

₹ 90,465

PatnaChicago

PAT - ORD

PATORD

Patna

Tue 28/4

19:10-11:10

2 stops26h 30m

Chicago O'Hare Intl

Wed 7/10

06:45-18:30

2 stops25h 15m

₹ 101,241

PatnaChicago

PAT - ORD

PATORD

Patna

Sun 29/3

13:05-11:10

2 stops32h 35m

₹ 75,704

Flights are sorted by cheapest return flights first.

Deals found on 12/2

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.

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

    Air India can get you from Patna to Chicago O'Hare Intl Airport in just under 30h 10m. Your travel time can differ by up to . The distance from Patna to Chicago O'Hare Intl Airport is about 12458 km.

  • 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
DeKalb

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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?

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