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Patna

$666+ 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 7/14. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — PAT
Aug 5 — Aug 121
Wed 8/5
Wed 8/12
1 adult, Economy
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Cheap 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 July 6, 2026.

This Trip.com deal was found by Cheapflights users on 7/4. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/188:25 pm
ORD
-
PAT
2 stops37h 25m
Multiple Airlines
Tue 8/256:35 pm
PAT
-
ORD
2 stops48h 30m
Multiple Airlines
Deal found 7/4$1,187
This Trip.com deal was found by Cheapflights users on 7/3. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/177:20 pm
ORD
-
PAT
2 stops29h 55m
Multiple Airlines
Mon 8/2410:00 pm
PAT
-
ORD
2 stops51h 35m
Multiple Airlines
Deal found 7/3$1,248
This Trip.com deal was found by Cheapflights users on 7/2. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/167:20 pm
ORD
-
PAT
2 stops29h 55m
Multiple Airlines
Sun 8/2310:00 pm
PAT
-
ORD
2 stops51h 35m
Multiple Airlines
Deal found 7/2$1,294
This British Airways deal was found by Cheapflights users on 7/1. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2410:25 pm
ORD
-
PAT
2 stops27h 50m
British Airways
Mon 9/286:35 pm
PAT
-
ORD
2 stops28h 20m
British Airways
Deal found 7/1$1,674

Find 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 July 6, 2026.

Most accurate provider

Ovago
3 stars

Most trusted provider

Ovago
3 stars

Round-trip from

$1,187
(Trip.com)

One-way from

$666
(oojo)
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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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 July 6, 2026.
Use the filters below to find and compare flights from Chicago to Patna that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Tue 8/18

8:25 pm-8:20 pm

2 stops37h 25m

Patna

Tue 8/25

6:35 pm-8:35 am

2 stops48h 30m

$1,187

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Mon 8/17

7:20 pm-11:45 am

2 stops29h 55m

Patna

Mon 8/24

10:00 pm-3:05 pm

2 stops51h 35m

$1,248

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Sun 8/16

7:20 pm-11:45 am

2 stops29h 55m

Patna

Sun 8/23

3:10 pm-3:05 pm

3 stops58h 25m

$1,344
Quickest round-trip

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Thu 9/24

10:25 pm-12:45 pm

2 stops27h 50m

Patna

Mon 9/28

6:35 pm-12:25 pm

2 stops28h 20m

$1,674

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Thu 10/1

5:55 pm-8:20 pm

2 stops39h 55m

Patna

Mon 10/5

6:35 pm-5:35 pm

2 stops33h 30m

$1,675
Cheapest one-way

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Tue 7/14

4:00 pm-12:30 pm

2 stops58h 00m

$666

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Mon 8/17

5:10 pm-7:55 am

2 stops28h 15m

$745

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Wed 11/25

9:35 pm-6:30 pm

2 stops33h 25m

$934
Quickest one-way

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Mon 11/30

6:25 pm-7:55 am

2 stops26h 00m

$955

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Mon 11/30

6:50 pm-12:30 pm

2 stops54h 10m

$971

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Showing 1-10 of 11 resultsSorted by cheapest first
1
2

Compare providers for flights from Chicago to Patna

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Chicago to Patna in July.
ProviderPrice AccuracyTrust Score*
OvagoPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Chicago-Patna flights, users find the pricing of Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on Chicago-Patna flight deals on Cheapflights vs. Ovago >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 Ovago the most. Ovago 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
No data available for this route at this time. Please check back soon.

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 July 6, 2026.
Get a feel of what it's like to fly with Air India from Chicago to Patna by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air India
5.6
Fair
2,957 reviews

Entertainment

4.6

Overall

5.6

Boarding

6.3

Food

5.9

Crew

6.7

Comfort

5.5

Reviews

1 / 20
2.0
Mediocre

Anonymous,Aug 2023

ORD - DEL

Screen was not working for almost every passenger. Food taste was pathetic.
Air India
5.6
Fair
2,957 reviews
Air India
5.6
Fair
2,957 reviews

Entertainment

4.6

Overall

5.6

Boarding

6.3

Food

5.9

Crew

6.7

Comfort

5.5

Reviews

1 / 20
2.0
Mediocre

Anonymous,Aug 2023

ORD - DEL

Screen was not working for almost every passenger. Food taste was pathetic.

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.

  • 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

Browse thousands of different options on Cheapflights for your next trip

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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 July 6, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air IndiaCheapest$836Average$1,126FlexibilityNo cancel feeOn-timeN/A

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