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$552+ Cheap flights from Patna (PAT) to Illinois

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 5/14. Fares are subject to change and may not be available on all flights or dates of travel.
PAT — ORD
apr. 5 — apr. 121
lør. 4/5
lør. 4/12
1 adult, Economy
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Cheap flight deals from Patna to Illinois

Keep the following information in mind while searching for Patna to Illinois flight deals. Data was last updated marts 31, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,441
(oojo)

One-way from

$552
(EaseMyTrip)
Provider with most accurate pricing for Patna-Chicago (CHI) flight deals.
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Provider most trusted by Cheapflights users for Patna-Chicago (CHI) flights.
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From Patna to Illinois
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One-way flight from Patna to Illinois
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Find flight deals from Patna to Illinois

Cheapest flights from Patna to Illinois
Explore the most affordable flight options available from Patna to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on marts 31, 2025.

This oojo deal was found by Cheapflights users on 3/31. 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.
tir. 4/154:05 pmPAT - ORD
1 stop25h 50mAir India
tor. 5/1512:00 pmORD - PAT
1 stop35h 30mAir India
Deal found 3/31$1,441
This FlightHub deal was found by Cheapflights users on 3/30. 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.
fre. 4/1810:00 pmPAT - ORD
2 stops46h 10mIndiGo
søn. 5/1811:25 amORD - PAT
2 stops35h 55mIndiGo
Deal found 3/30$1,532
This Booking.com deal was found by Cheapflights users on 3/30. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
tor. 5/159:50 pmPAT - ORD
2 stops52h 25mMultiple Airlines
tor. 5/228:35 pmORD - PAT
2 stops38h 05mMultiple Airlines
Deal found 3/30$1,564
This Air France deal was found by Cheapflights users on 3/31. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
fre. 4/188:25 pmPAT - ORD
2 stops29h 05mAir France
søn. 5/185:10 pmORD - PAT
2 stops28h 15mAir France
Deal found 3/31$1,994

Cheapflights Fare Finder

Customize your flight search to find flights from Patna to Illinois 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 marts 31, 2025.
Use the filters below to find and compare flights from Patna to Illinois that are best for you.

Fly from

Patna

Fly to

Illinois

Route

Depart

Return

Price

PatnaChicago

PAT - ORD

PATORD

Patna

tir. 4/15

4:05 pm-7:25 am

1 stop25h 50m

Chicago O'Hare Intl

tor. 5/15

12:00 pm-10:00 am

1 stop35h 30m

$1,441

PatnaChicago

PAT - ORD

PATORD

Patna

fre. 4/18

10:00 pm-9:40 am

2 stops46h 10m

Chicago O'Hare Intl

søn. 5/18

11:25 am-9:50 am

2 stops35h 55m

$1,532

PatnaChicago

PAT - ORD

PATORD

Patna

tor. 5/15

9:50 pm-3:45 pm

2 stops52h 25m

Chicago O'Hare Intl

tor. 5/22

8:35 pm-9:10 pm

2 stops38h 05m

$1,564

PatnaChicago

PAT - ORD

PATORD

Patna

fre. 4/18

8:25 pm-3:00 pm

2 stops29h 05m

Chicago O'Hare Intl

søn. 5/18

5:10 pm-7:55 am

2 stops28h 15m

$1,994

PatnaChicago

PAT - ORD

PATORD

Patna

ons. 5/14

9:40 pm-9:40 am

2 stops46h 30m

$552

PatnaChicago

PAT - ORD

PATORD

Patna

lør. 4/26

7:35 pm-7:40 pm

3 stops34h 35m

$870

PatnaChicago

PAT - ORD

PATORD

Patna

ons. 5/14

7:10 pm-7:25 am

1 stop22h 45m

$963

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/30

Best time to book a flight from Patna to Illinois

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

Cheapflights Insights

Everything you need to know about your flight from Patna to Illinois

Rainfall in Illinois by month

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

In terms of precipitation, rainfall in Illinois 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 Illinois when rainfall is around 1.7 in.

Temperature in Illinois by month

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

If weather is an important factor for your trip to Illinois, 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 Illinois

Get insights into the airlines that provide service to Illinois. 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 Illinois. Reviews last updated marts 31, 2025.
Air France
7.4
Good
1,425 reviews

Comfort

7.4

Entertainment

7.0

Food

7.0

Crew

8.2

Overall

7.4

Boarding

7.4

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2025

SGN - CDG

Staff attentive, would have liked a covering on the seats for sleeping (as Vietnam airways did - and others) ‘duvet’ cover very light- needed but heavier. Food not great, scallop did not smell right, chicken over cooked.
Air France
7.4
Good
1,425 reviews
Air France
7.4
Good
1,425 reviews

Comfort

7.4

Entertainment

7.0

Food

7.0

Crew

8.2

Overall

7.4

Boarding

7.4

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2025

SGN - CDG

Staff attentive, would have liked a covering on the seats for sleeping (as Vietnam airways did - and others) ‘duvet’ cover very light- needed but heavier. Food not great, scallop did not smell right, chicken over cooked.
IndiGo
6.9
Okay
470 reviews
Air France
7.4
Good
1,425 reviews

Comfort

7.4

Entertainment

7.0

Food

7.0

Crew

8.2

Overall

7.4

Boarding

7.4

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2025

SGN - CDG

Staff attentive, would have liked a covering on the seats for sleeping (as Vietnam airways did - and others) ‘duvet’ cover very light- needed but heavier. Food not great, scallop did not smell right, chicken over cooked.
Air India
5.5
Fair
2,888 reviews
Air France
7.4
Good
1,425 reviews

Comfort

7.4

Entertainment

7.0

Food

7.0

Crew

8.2

Overall

7.4

Boarding

7.4

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2025

SGN - CDG

Staff attentive, would have liked a covering on the seats for sleeping (as Vietnam airways did - and others) ‘duvet’ cover very light- needed but heavier. Food not great, scallop did not smell right, chicken over cooked.

Related info for your journey

Find useful and relevant information for your journey from Patna to Illinois. 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 Illinois?

    For a flight from Patna to Illinois, you will be flying from Patna. Patna (PAT) is just 1.8 mi from the center of the city.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Patna to Illinois 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 Illinois?

    Currently, August is the cheapest month in which you can book a flight from Patna to Illinois (average of $245). Flying from Patna to Illinois in March is currently the most expensive (average of $323). 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.

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