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Cheap flights from Patna to Chicago from ₹ 55,179

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 21/6. Fares are subject to change and may not be available on all flights or dates of travel.
PAT — CHI
10 Jun — 17 Jun1
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 11 May 2026.

Sat 30/513:25
PAT
-
ORD
2 stops32h 15m
Air India
Wed 30/913:10
ORD
-
PAT
1 stop31h 50m
Air India
Deal found 8/5₹ 109,502
Sun 21/613:25
PAT
-
ORD
2 stops32h 15m
Air India
Sun 28/613:10
ORD
-
PAT
1 stop21h 30m
Air India
Deal found 7/5₹ 115,877
Sat 30/508:00
PAT
-
ORD
2 stops37h 40m
Air India
Mon 5/1013:10
ORD
-
PAT
1 stop21h 30m
Air India
Deal found 8/5₹ 116,257
Tue 2/613:00
PAT
-
ORD
3 stops32h 40m
Air India
Wed 23/913:10
ORD
-
PAT
1 stop21h 30m
Air India
Deal found 8/5₹ 118,350
Sat 30/513:25
PAT
-
ORD
2 stops32h 15m
Air India
Sun 4/1013:10
ORD
-
PAT
1 stop31h 50m
Air India
Deal found 8/5₹ 119,206
Wed 3/620:05
PAT
-
ORD
3 stops49h 35m
Air India
Mon 5/1013:10
ORD
-
PAT
1 stop37h 15m
Air India
Deal found 7/5₹ 120,443

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 11 May 2026.

Round-trip from

₹ 109,502

One-way from

₹ 55,179
Air India
  • Air India
  • 30/5-30/9
  • 3 total stops
  • 64h 05m total
  • Patna to Chicago
Search Deals
Air India
  • Air India
  • 21/6
  • 3 total stops
  • 32h 40m 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 11 May 2026.
Use the filters below to find and compare flights from Patna to Chicago that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

PatnaChicago

PAT - ORD

PATORD

Patna

Sun 21/6

13:25-11:10

2 stops32h 15m

Chicago O'Hare Intl

Sun 28/6

13:10-21:10

1 stop21h 30m

₹ 115,877

PatnaChicago

PAT - ORD

PATORD

Patna

Tue 2/6

15:05-11:10

3 stops30h 35m

Chicago O'Hare Intl

Wed 23/9

13:10-07:00

2 stops31h 20m

₹ 119,397

PatnaChicago

PAT - ORD

PATORD

Patna

Wed 3/6

20:05-11:10

3 stops49h 35m

Chicago O'Hare Intl

Mon 5/10

13:10-12:55

1 stop37h 15m

₹ 120,443

PatnaChicago

PAT - ORD

PATORD

Patna

Tue 2/6

15:20-15:45

2 stops34h 55m

Chicago O'Hare Intl

Sat 3/10

20:35-09:40

2 stops26h 35m

₹ 126,342

PatnaChicago

PAT - ORD

PATORD

Patna

Tue 2/6

13:00-11:10

3 stops32h 40m

Chicago O'Hare Intl

Fri 2/10

13:10-07:00

2 stops31h 20m

₹ 128,340

PatnaChicago

PAT - ORD

PATORD

Patna

Wed 3/6

13:20-15:45

2 stops36h 55m

Chicago O'Hare Intl

Mon 5/10

20:35-09:40

2 stops26h 35m

₹ 131,289

PatnaChicago

PAT - ORD

PATORD

Patna

Tue 2/6

10:20-15:45

2 stops39h 55m

Chicago O'Hare Intl

Wed 23/9

20:35-09:40

2 stops50h 35m

₹ 133,477

PatnaChicago

PAT - ORD

PATORD

Patna

Tue 14/7

10:20-11:10

2 stops35h 20m

Chicago O'Hare Intl

Wed 14/10

13:10-07:30

1 stop31h 50m

₹ 135,189

PatnaChicago

PAT - ORD

PATORD

Patna

Sun 31/5

13:25-11:10

2 stops32h 15m

Chicago O'Hare Intl

Fri 2/10

13:10-09:40

1 stop34h 00m

₹ 141,088
Cheapest one-way

PatnaChicago

PAT - ORD

PATORD

Patna

Sun 21/6

13:00-11:10

3 stops32h 40m

₹ 55,179

Flights are sorted by cheapest return flights first.

Deals found on 7/5

Showing 1-10 of 16 resultsSorted by cheapest first
1
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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 32h 15m. 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

Browse thousands of different options on Cheapflights for your next trip

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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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