HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Chicago

$1,614+ Cheap flights from Patna (PAT) to Chicago (CHI)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/15. Fares are subject to change and may not be available on all flights or dates of travel.
PAT — CHI
Jän 26 — Feb 21
So 1/26
So 2/2
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Patna to Chicago with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap 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 Jänner 21, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,614
(FlightHub)
Provider with most accurate pricing for Patna-Chicago (CHI) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Patna-Chicago (CHI) flights.
Search Deals
From Patna to Chicago (CHI)
Search Deals

Find flight deals from Patna to Chicago

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 Jänner 21, 2025.

This FlightHub deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Di 4/154:00 pmPAT - ORD
2 stops30h 40mMultiple Airlines
Do 5/157:05 pmORD - PAT
2 stops33h 50mMultiple Airlines
Deal found 1/21$1,614
This oojo deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Di 4/151:45 pmPAT - ORD
2 stops28h 10mAir India
Do 5/1512:00 pmORD - PAT
1 stop20h 05mAir India
Deal found 1/21$1,690

Find flights from Patna to Chicago within your budget

Customize 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 2,558,603 searches. Data last updated Jänner 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

PatnaChicago

PAT - ORD

PATORD

Patna

Di 4/15

4:00 pm-12:10 pm

2 stops30h 40m

Chicago O'Hare Intl

Do 5/15

7:05 pm-3:25 pm

2 stops33h 50m

$1,614

PatnaChicago

PAT - ORD

PATORD

Patna

Di 4/15

1:45 pm-7:25 am

2 stops28h 10m

Chicago O'Hare Intl

Do 5/15

12:00 pm-6:35 pm

1 stop20h 05m

$1,690

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

  • Most accurate provider: When it comes to deals on Patna-Chicago flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Patna-Chicago flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Patna-Chicago flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Patna-Chicago flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Patna-Chicago flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 round-trip 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.

Travel insights for flights from Patna to Chicago

Get recent, data-driven insights about flights from Patna to Chicago including ideal travel times, pricing trends, and more.

Rainfall in Chicago by month

Plan your trip to Chicago by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Chicago ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Chicago when rainfall is around 1.7 in.

Temperature in Chicago by month

Plan your trip to Chicago by taking into account the average temperature totals by month.

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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing Chicago

Get insights into the airlines that provide service to Chicago. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Chicago. Reviews last updated Jänner 21, 2025.
Air India
5.5
Fair
2,930 reviews

Overall

5.5

Crew

6.6

Entertainment

4.6

Boarding

6.2

Food

5.8

Comfort

5.5

Reviews

1 / 10

Let's start with putting people who booked their flight together seating together. Non-indians seem to get preferred treatment over indians

Air India
5.5
Fair
2,930 reviews
Air India
5.5
Fair
2,930 reviews

Overall

5.5

Crew

6.6

Entertainment

4.6

Boarding

6.2

Food

5.8

Comfort

5.5

Reviews

1 / 10

Let's start with putting people who booked their flight together seating together. Non-indians seem to get preferred treatment over indians

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), located 1.8 mi from the city center, is the airport you fly out of when you book flights from Patna to Chicago. 0 airlines have flights from Patna to Chicago on a regular basis. Booking flights from Patna to Chicago should not be difficult; the airport handles an average of 0 outbound flights to Chicago per day.

  • What is the cheapest airline to fly from Patna to Chicago round-trip?

    Flying on Air India is currently your cheapest option to Chicago, with prices starting at $1,690.

  • 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 vacation 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.

  • What is the cheapest month to book a flight from Patna to Chicago?

    Currently, August is the cheapest month in which you can book a flight from Patna to Chicago (average of $245). Flying from Patna to Chicago in March is currently the most expensive (average of $320). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Patna?

Book flights to Patna if you plan to visit one of these locations
Merrillville
New Buffalo
Hammond
Benton Harbor
Porter
Lansing
Valparaiso
Chesterton

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.

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
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.