How long is the flight from Patna to Chicago?

Air France can get you from Patna to Chicago in just under 29h 40m. Your travel time can differ by up to . There are 12458 km between Patna and Chicago.

In terms of precipitation, rainfall in Chicago ranges from 43.0 - 125.0 inches per month. August is typically the wettest month, when rainfall can reach 125.0 mm. January is typically the driest time to visit Chicago when rainfall is around 43.0 mm.

If weather is an important factor for your trip to Chicago, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -5.0 C).

What is the cheapest time of day to fly from PAT to CHI?

When flying from Patna to Chicago, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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.

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.

₹ 49,417+ Cheap Flights from Patna to Chicago

Cheap flight deals from Patna to Chicago

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

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 29 September 2026.

Mon 12/1014:25 -

3 stops35h 45m

Thu 1/414:00 -

3 stops31h 15m

Deal found 26/9₹ 104,783

Mon 5/1011:05 -

3 stops32h 00m

Wed 31/314:00 -

3 stops31h 15m

Deal found 26/9₹ 106,798

Sat 19/1215:45 -

2 stops32h 15m

Sun 3/114:10 -

2 stops58h 00m

Deal found 27/9₹ 155,255

Sun 25/1022:05 -

2 stops29h 40m

Sun 1/1118:25 -

2 stops30h 45m

Deal found 25/9₹ 191,047

Sun 25/1013:55 -

3 stops29h 58m

Sun 1/1117:54 -

2 stops30h 16m

Deal found 25/9₹ 807,846

Find flight deals from Patna to Chicago

Round-trip from	₹ 104,783
One-way from	₹ 49,417

12/10-1/4
6 total stops
67h 00m total
Patna to Chicago

Search Deals

12/10-31/12
2 total stops
28h 35m total
Patna to Chicago

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

PatnaChicago

PAT Patna - ORD Chicago O'Hare Intl

PATORD

Patna

Mon 12/10

14:25-15:40

3 stops35h 45m

Chicago O'Hare Intl

Wed 31/12

00:00-11:30

Nonstop0h 00m

₹ 49,513

Fastest return journey

PatnaChicago

PAT Patna - ORD Chicago O'Hare Intl

PATORD

Patna

Sun 11/10

21:35-15:40

2 stops28h 35m

Chicago O'Hare Intl

Wed 31/12

00:00-11:30

Nonstop0h 00m

₹ 49,609

PatnaChicago

PAT Patna - ORD Chicago O'Hare Intl

PATORD

Patna

Sun 8/11

20:25-16:15

2 stops31h 20m

Chicago O'Hare Intl

Wed 31/12

00:00-11:30

Nonstop0h 00m

₹ 67,265

PatnaChicago

PAT Patna - ORD Chicago O'Hare Intl

PATORD

Patna

Wed 11/11

15:45-14:30

2 stops58h 15m

Chicago O'Hare Intl

Wed 31/12

00:00-11:30

Nonstop0h 00m

₹ 72,542

PatnaChicago

PAT Patna - ORD Chicago O'Hare Intl

PATORD

Patna

Mon 12/10

14:25-15:40

3 stops35h 45m

Chicago O'Hare Intl

Thu 1/4

14:00-07:45

3 stops31h 15m

₹ 104,783

PatnaChicago

PAT Patna - ORD Chicago O'Hare Intl

PATORD

Patna

Sat 19/12

15:45-12:30

2 stops32h 15m

Chicago O'Hare Intl

Sun 3/1

14:10-11:40

2 stops58h 00m

₹ 155,255

PatnaChicago

PAT Patna - ORD Chicago O'Hare Intl

PATORD

Patna

Sun 25/10

22:05-17:15

2 stops29h 40m

Chicago O'Hare Intl

Sun 1/11

18:25-12:40

2 stops30h 45m

₹ 191,047

PatnaChicago

PAT Patna - ORD Chicago O'Hare Intl

PATORD

Patna

Sun 8/11

18:10-07:30

3 stops48h 50m

Chicago O'Hare Intl

Wed 31/12

00:00-11:30

Nonstop0h 00m

₹ 268,674

PatnaChicago

PAT Patna - ORD Chicago O'Hare Intl

PATORD

Patna

Wed 11/11

17:40-07:30

3 stops49h 20m

Chicago O'Hare Intl

Wed 31/12

00:00-11:30

Nonstop0h 00m

₹ 284,987

PatnaChicago

PAT Patna - ORD Chicago O'Hare Intl

PATORD

Patna

Sun 25/10

13:55-09:23

3 stops29h 58m

Chicago O'Hare Intl

Sun 1/11

17:54-11:40

2 stops30h 16m

₹ 807,846

Flights are sorted by cheapest return flights first.

Deals found on 26/9

Sorted by cheapest first

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.

PAT-CHI

PAT-ORD

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

PAT-CHI

PAT-ORD

No data available for this route at this time. Please check back soon.

Related info for your journey

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 France can get you from Patna to Chicago in just under 29h 40m. 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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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.

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Cheap flights from Patna to Chicago from ₹ 49,417

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Patna to Chicago

Cheapest flights from Patna to ChicagoExplore 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 29 September 2026.

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 29 September 2026.

Best flights from Patna to ChicagoDiscover carefully curated flight deals from Patna to Chicago that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 29 September 2026.

Discover carefully curated flight deals from Patna to Chicago that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 29 September 2026.

Last-minute flights from Patna to ChicagoDiscover last-minute flight deals from Patna to Chicago. Data last updated 29 September 2026 and is based on user searches.

Discover last-minute flight deals from Patna to Chicago. Data last updated 29 September 2026 and is based on user searches.

One-way flights from Patna to ChicagoSearch for one-way flight options from Patna to Chicago. Find affordable one-way fares based on user searches. Data last updated 29 September 2026.

Search for one-way flight options from Patna to Chicago. Find affordable one-way fares based on user searches. Data last updated 29 September 2026.

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Best time to book a flight from Patna to Chicago

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Related info for your journey

What airport do you fly from for flights from Patna to Chicago?

How long is the flight from Patna to Chicago?

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

How can I find direct flights from Patna to Chicago?

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

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.

Other flights to Chicago

Explore flights to Chicago departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 29 September 2026.

Complete your trip

Complete your trip to Chicago by adding a car rental and/or hotel reservation to your travel itinerary.

Direct flights to Illinois

Book a non-stop flight to one of these other cities located in Illinois.

Search flights from Patna to Chicago by cabin class

Find flights from Patna to Chicago, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Patna and Chicago flights

Browse other Patna and Chicago flight options. Last updated on 29 September 2026.

Other flights from Patna

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

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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 29 September 2026.

Best flights from Patna to Chicago
Discover carefully curated flight deals from Patna to Chicago that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 29 September 2026.

Last-minute flights from Patna to Chicago
Discover last-minute flight deals from Patna to Chicago. Data last updated 29 September 2026 and is based on user searches.

One-way flights from Patna to Chicago
Search for one-way flight options from Patna to Chicago. Find affordable one-way fares based on user searches. Data last updated 29 September 2026.