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Cheap flights from Patna to Chicago 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 — CHI
17 Mar — 24 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Patna to Chicago

Enter your travel dates to find the best prices.

Cheapest flights from Patna to Chicago
Explore the most affordable flight options available from Patna to Chicago. 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 Chicago

Discover tips and strategies to find the most affordable flight options for your journey from Patna (PAT) to Chicago (CHI). 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 Chicago 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 that are best for you.

Fly from

Patna

Fly to

Chicago

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 Chicago

Have a flexible travel schedule? Discover the best time to fly to Chicago 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.

Cheapflights Insights

Everything you need to know about your flight from Patna to Chicago
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 Patna to Chicago. 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?

    Patna (PAT) is the airport you will fly out of if you book a flight from Patna to Chicago. You should not have trouble finding flights to Chicago from Patna; the airport handles an average of 0 outbound flights to Chicago per day. You should also have plenty of airline options to choose from since 0 airlines have flights from the Patna airport to Chicago. It is only a 3.0 km journey to Patna (PAT) from Patna’s city centre.

  • How long is the flight from Patna to Chicago?

    Air India can get you from Patna to Chicago in just under 30h 10m. Your travel time can differ by up to . There are 12458 km between Patna and Chicago.

  • Can I find deals for flights from Patna to Chicago that include hotel bookings?

    Yes. In addition to deals on Patna to Chicago flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Patna to Chicago?

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

  • Can I find deals for business class flights from Patna to Chicago?

    Yes. Cheapflights offers flight deals from Patna to Chicago 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 Patna to Chicago

See prices for flight routes from nearby airports that may be better suited for you.
Patna to O'Hare Intl flights

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How does Cheapflights help users find flights from Patna to Chicago?

Cheapflights helps you search for flights from Patna to Chicago 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 Patna to Chicago?

Millions of users choose and trust Cheapflights to book the best flight deals from Patna to Chicago for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Patna to Chicago with no change fees?

Yes! Cheapflights helps users easily find flights from Patna to Chicago with no change fees.

Can Cheapflights notify me if prices for flights from Patna to Chicago become cheaper?

Yes! Start tracking prices for Patna to Chicago flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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