$767+ Cheap flights from Chicago (CHI) to Patna (PAT)
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 11/25. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — PAT
Nov 4 — Nov 111
Round-trip
1 adult, Economy
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Find cheap flights from Chicago to Patna 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 Chicago to Patna
Cheapest
Best
Last-minute
One-way
Cheapest flights from Chicago to PatnaExplore 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 October 5, 2026.
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 October 5, 2026.
This Mytrip deal was found by Cheapflights users on 10/3. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/176:50 pm -
3 stops32h 50m
Tue 11/244:25 pm -
2 stops33h 35m
Deal found 10/3![Multiple Airlines logo]()
$1,384
This oojo deal was found by Cheapflights users on 10/1. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/18:05 pm -
2 stops48h 25m
Fri 10/162:00 pm -
2 stops29h 05m
Deal found 10/1![Multiple Airlines logo]()
$1,583
This Expedia deal was found by Cheapflights users on 10/4. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/59:50 pm -
2 stops50h 20m
Sat 12/263:45 pm -
2 stops38h 10m
Deal found 10/4![Multiple Airlines logo]()
$1,692
This Mytrip deal was found by Cheapflights users on 10/5. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/196:50 pm -
2 stops31h 00m
Thu 11/264:25 pm -
2 stops33h 35m
Deal found 10/5![Multiple Airlines logo]()
$1,734
This Mytrip deal was found by Cheapflights users on 10/4. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/16:50 pm -
3 stops35h 15m
Mon 11/308:25 pm -
2 stops35h 00m
Deal found 10/4![Multiple Airlines logo]()
$1,760
This KAYAK deal was found by Cheapflights users on 10/4. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/59:11 pm -
3 stops51h 59m
Sat 12/268:25 pm -
2 stops33h 50m
Deal found 10/4![British Airways logo]()
$2,229
Best flights from Chicago to PatnaDiscover carefully curated flight deals from Chicago to Patna that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 5, 2026.
Discover carefully curated flight deals from Chicago to Patna that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 5, 2026.
This Mytrip deal was found by Cheapflights users on 10/3. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/176:50 pm -
3 stops32h 50m
Tue 11/244:25 pm -
2 stops33h 35m
Deal found 10/3![Multiple Airlines logo]()
$1,384
This Mytrip deal was found by Cheapflights users on 10/5. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/196:50 pm -
2 stops31h 00m
Thu 11/264:25 pm -
2 stops33h 35m
Deal found 10/5![Multiple Airlines logo]()
$1,734
This Mytrip deal was found by Cheapflights users on 10/4. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/16:50 pm -
3 stops35h 15m
Mon 11/308:25 pm -
2 stops35h 00m
Deal found 10/4![Multiple Airlines logo]()
$1,760
This CheapOair deal was found by Cheapflights users on 9/30. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/246:00 pm -
2 stops33h 40m
Thu 12/313:45 pm -
2 stops32h 55m
Deal found 9/30![Multiple Airlines logo]()
$2,246
This British Airways deal was found by Cheapflights users on 10/3. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/16:50 pm -
2 stops30h 20m
Fri 2/510:05 pm -
2 stops51h 10m
Deal found 10/3![British Airways logo]()
$5,933
This Malaysia Airlines deal was found by Cheapflights users on 10/4. 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 Malaysia Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/59:50 pm -
3 stops49h 50m
Sat 12/263:40 pm -
3 stops51h 20m
Deal found 10/4![Multiple Airlines logo]()
$3,368
Last-minute flights from Chicago to PatnaDiscover last-minute flight deals from Chicago to Patna. Data last updated October 5, 2026 and is based on user searches.
Discover last-minute flight deals from Chicago to Patna. Data last updated October 5, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 10/4. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/16:50 pm -
3 stops35h 15m
Mon 11/308:25 pm -
2 stops35h 00m
Deal found 10/4![Multiple Airlines logo]()
$1,760
This Mytrip deal was found by Cheapflights users on 10/3. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/176:50 pm -
3 stops32h 50m
Tue 11/244:25 pm -
2 stops33h 35m
Deal found 10/3![Multiple Airlines logo]()
$1,384
This Mytrip deal was found by Cheapflights users on 10/5. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/196:50 pm -
2 stops31h 00m
Thu 11/264:25 pm -
2 stops33h 35m
Deal found 10/5![Multiple Airlines logo]()
$1,734
One-way flights from Chicago to PatnaSearch for one-way flight options from Chicago to Patna. Find affordable one-way fares based on user searches. Data last updated October 5, 2026.
Search for one-way flight options from Chicago to Patna. Find affordable one-way fares based on user searches. Data last updated October 5, 2026.
This MakeMyTrip deal was found by Cheapflights users on 10/5. 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 MakeMyTrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/256:00 pm -
2 stops31h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/5![Multiple Airlines logo]()
$767
This MakeMyTrip deal was found by Cheapflights users on 10/3. 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 MakeMyTrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/309:50 pm -
2 stops52h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/3![Multiple Airlines logo]()
$778
This Ovago deal was found by Cheapflights users on 10/1. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/3010:40 pm -
3 stops50h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/1![British Airways logo]()
$1,243
This KAYAK deal was found by Cheapflights users on 10/3. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/259:35 pm -
3 stops72h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/3![British Airways logo]()
$1,719
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 October 5, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $1,384 (Mytrip) |
One-way from | $767 (MakeMyTrip) |
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 7,457,451 searches. Data last updated October 5, 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
Cheapest round-trip
Quickest round-trip
ChicagoPatna
ORD Chicago O'Hare Intl - PAT Patna
ORDPAT
Chicago O'Hare Intl
Wed 11/25
6:00 pm-1:20 pm
2 stops31h 50m
Patna
Wed 12/31
12:00 am-12:30 pm
Nonstop0h 00m
$767
ChicagoPatna
ORD Chicago O'Hare Intl - PAT Patna
ORDPAT
Chicago O'Hare Intl
Mon 11/30
9:50 pm-1:20 pm
2 stops52h 00m
Patna
Wed 12/31
12:00 am-12:30 pm
Nonstop0h 00m
$778
ChicagoPatna
ORD Chicago O'Hare Intl - PAT Patna
ORDPAT
Chicago O'Hare Intl
Mon 11/30
10:40 pm-12:40 pm
3 stops50h 30m
Patna
Wed 12/31
12:00 am-12:30 pm
Nonstop0h 00m
$1,243
ChicagoPatna
ORD Chicago O'Hare Intl - PAT Patna
ORDPAT
Chicago O'Hare Intl
Tue 11/17
6:50 pm-3:10 pm
3 stops32h 50m
Patna
Tue 11/24
4:25 pm-2:30 pm
2 stops33h 35m
$1,384
ChicagoPatna
ORD Chicago O'Hare Intl - PAT Patna
ORDPAT
Chicago O'Hare Intl
Wed 11/25
9:35 pm-9:30 am
3 stops72h 25m
Patna
Wed 12/31
12:00 am-12:30 pm
Nonstop0h 00m
$1,719
ChicagoPatna
ORD Chicago O'Hare Intl - PAT Patna
ORDPAT
Chicago O'Hare Intl
Thu 11/19
6:50 pm-1:20 pm
2 stops31h 00m
Patna
Thu 11/26
4:25 pm-2:30 pm
2 stops33h 35m
$1,734
ChicagoPatna
ORD Chicago O'Hare Intl - PAT Patna
ORDPAT
Chicago O'Hare Intl
Sun 11/1
6:50 pm-5:35 pm
3 stops35h 15m
Patna
Mon 11/30
8:25 pm-7:55 pm
2 stops35h 00m
$1,760
ChicagoPatna
ORD Chicago O'Hare Intl - PAT Patna
ORDPAT
Chicago O'Hare Intl
Thu 12/24
6:00 pm-3:10 pm
2 stops33h 40m
Patna
Thu 12/31
3:45 pm-1:10 pm
2 stops32h 55m
$2,246
ChicagoPatna
ORD Chicago O'Hare Intl - PAT Patna
ORDPAT
Chicago O'Hare Intl
Sat 12/5
9:50 pm-11:10 am
3 stops49h 50m
Patna
Sat 12/26
3:40 pm-7:30 am
3 stops51h 20m
$3,368
ChicagoPatna
ORD Chicago O'Hare Intl - PAT Patna
ORDPAT
Chicago O'Hare Intl
Mon 2/1
6:50 pm-12:40 pm
2 stops30h 20m
Patna
Fri 2/5
10:05 pm-1:45 pm
2 stops51h 10m
$5,933
Sorted by cheapest first
- 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.
CHI-PAT
ORD-PAT
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
CHI-PAT
ORD-PAT
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 October 5, 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.
Food
5.8
Crew
6.7
Boarding
6.3
Entertainment
4.6
Overall
5.5
Comfort
5.5
Reviews
1 / 20
2.0
MediocreAnonymous,Aug 2023
ORD - DEL
Food
5.8
Crew
6.7
Boarding
6.3
Entertainment
4.6
Overall
5.5
Comfort
5.5
Reviews
1 / 20
2.0
MediocreAnonymous,Aug 2023
ORD - DEL
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.
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Chicago and Patna flights
Browse other Chicago and Patna flight options. Last updated on October 5, 2026.
Other flights from Chicago
Browse through other flights departing from Chicago. Flights are based on user searches made on Cheapflights and were last updated on October 5, 2026.
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Popular flight searches
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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 7,457,451 searches. Data last updated October 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$738 | Average$1,315 | FlexibilityNo cancel fee | On-timeN/A |