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$404+ Cheap flights from Chicago (CHI) to Patna (PAT)

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.
CHI — PAT
Apr 5 — Apr 121
Sat 4/5
Sat 4/12
1 adult, Economy
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Cheap flight deals from Chicago to Patna

Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) to Patna (PAT). 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 March 31, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$905
(oojo)

One-way from

$404
(EaseMyTrip)
Provider with most accurate pricing for Chicago (CHI)-Patna flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-Patna flights.
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From Chicago (CHI) to Patna
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One-way flight from Chicago (CHI) to Patna
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Find flight deals from Chicago to Patna

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

This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/3012:00 pmORD - PAT
1 stop19h 55mAir India
Tue 5/1310:40 pmPAT - ORD
1 stop19h 15mAir India
Deal found 3/30$905
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/3012:00 pmORD - PAT
1 stop33h 25mMultiple Airlines
Sun 5/119:50 pmPAT - ORD
2 stops45h 25mMultiple Airlines
Deal found 3/30$994
This Air France 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/295:10 pmORD - PAT
2 stops28h 15mAir France
Mon 5/128:25 pmPAT - ORD
2 stops29h 05mAir France
Deal found 3/30$1,374

Cheapflights Fare Finder

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

Fly from

Chicago

Fly to

Patna

Route

Depart

Return

Price

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Wed 4/30

12:00 pm-6:25 pm

1 stop19h 55m

Patna

Tue 5/13

10:40 pm-7:25 am

1 stop19h 15m

$905

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Wed 4/30

12:00 pm-7:55 am

1 stop33h 25m

Patna

Sun 5/11

9:50 pm-8:45 am

2 stops45h 25m

$994

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Tue 4/29

5:10 pm-7:55 am

2 stops28h 15m

Patna

Mon 5/12

8:25 pm-3:00 pm

2 stops29h 05m

$1,374

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Wed 5/14

12:00 pm-10:00 am

1 stop35h 30m

$404

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Wed 5/14

7:05 pm-10:00 am

2 stops28h 25m

$927

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/29

  • Most accurate provider: When it comes to deals on Chicago-Patna flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Chicago-Patna flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Chicago-Patna flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Chicago-Patna flights, Cheapflights users trust eDreams the most. eDreams 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 Chicago-Patna 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 Chicago to Patna

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

Rainfall in Patna by month

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

In terms of precipitation, rainfall in Patna ranges from 0.3 - 12.6 inches per month. July is typically the wettest month, when rainfall can reach 12.6 in. November is typically the driest time to visit Patna when rainfall is around 0.3 in.

Temperature in Patna by month

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

If weather is an important factor for your trip to Patna, use this chart to help with planning. For those seeking warmer temperatures, May is the ideal time of year to visit, when temperatures reach an average of 89.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 60.8 F).

Reviews of airlines servicing Patna

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

Boarding

7.4

Crew

8.2

Comfort

7.4

Food

7.0

Overall

7.4

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Florian,Feb 2025

YUL - CDG

Always a pleasure to travel with Air France. It might not be up to airline like Qatar or Singapour Airlines but I always find it reassuring flying with Air France.
Air France
7.4
Good
1,425 reviews
Air France
7.4
Good
1,425 reviews

Boarding

7.4

Crew

8.2

Comfort

7.4

Food

7.0

Overall

7.4

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Florian,Feb 2025

YUL - CDG

Always a pleasure to travel with Air France. It might not be up to airline like Qatar or Singapour Airlines but I always find it reassuring flying with Air France.
Air India
5.5
Fair
2,888 reviews
Air France
7.4
Good
1,425 reviews

Boarding

7.4

Crew

8.2

Comfort

7.4

Food

7.0

Overall

7.4

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Florian,Feb 2025

YUL - CDG

Always a pleasure to travel with Air France. It might not be up to airline like Qatar or Singapour Airlines but I always find it reassuring flying with Air France.

Related info for your journey

Find useful and relevant information for your journey from Chicago to Patna. 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 into for flights to Patna from Chicago?

    For a flight from Chicago to Patna, you will be flying into Patna. Patna (PAT) is just 1.8 mi from the center of the city. Patna is the only Patna airport and it handles 0 inbound flights from Chicago per day. 1 airline has flights to Patna from Chicago on a regular basis.

  • What are the cheapest airlines flying from Chicago to Patna round-trip?

    Air India, at $905, was found to be the cheapest airline from Chicago to Patna. An alternate airline flying to your destination would be Air France.

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

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

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

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

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

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

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

Top airline flying from Chicago to Patna

Discover the top airline that operate flights from Chicago to Patna. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air IndiaCheapest$836Average$1,213FlexibilityNo cancel feeOn-timeN/A
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