$574+ 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 11/11. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — PAT
Sep 19 — Sep 261
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 August 20, 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 August 20, 2026.
This Gotogate deal was found by Cheapflights users on 8/16. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/308:25 pm -
2 stops27h 25m
Wed 10/73:20 pm -
2 stops27h 45m
Deal found 8/16![Multiple Airlines logo]()
$1,055
This Trip.com deal was found by Cheapflights users on 8/17. 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.
Thu 10/18:25 pm -
2 stops26h 55m
Thu 10/83:50 pm -
2 stops27h 15m
Deal found 8/17![Multiple Airlines logo]()
$1,155
This Trip.com deal was found by Cheapflights users on 8/15. 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.
Thu 10/299:20 pm -
3 stops27h 45m
Mon 11/238:30 am -
2 stops58h 55m
Deal found 8/15![Multiple Airlines logo]()
$1,171
This British Airways deal was found by Cheapflights users on 8/17. 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.
Sat 9/2610:25 pm -
2 stops30h 20m
Wed 9/303:50 pm -
2 stops33h 35m
Deal found 8/17![British Airways logo]()
$1,471
This Indian Eagle deal was found by Cheapflights users on 8/19. 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 Indian Eagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/28:40 pm -
2 stops32h 00m
Sun 12/138:25 pm -
2 stops33h 50m
Deal found 8/19![British Airways logo]()
$1,492
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 August 20, 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 August 20, 2026.
This Gotogate deal was found by Cheapflights users on 8/16. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/308:25 pm -
2 stops27h 25m
Wed 10/73:20 pm -
2 stops27h 45m
Deal found 8/16![Multiple Airlines logo]()
$1,055
This British Airways deal was found by Cheapflights users on 8/18. 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.
Sat 9/2610:25 pm -
2 stops30h 20m
Wed 9/303:50 pm -
2 stops33h 35m
Deal found 8/18![British Airways logo]()
$1,471
This Trip.com deal was found by Cheapflights users on 8/17. 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.
Thu 10/18:25 pm -
2 stops26h 55m
Thu 10/83:50 pm -
2 stops27h 15m
Deal found 8/17![Multiple Airlines logo]()
$1,155
This Trip.com deal was found by Cheapflights users on 8/15. 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.
Thu 10/299:20 pm -
3 stops27h 45m
Mon 11/238:30 am -
2 stops58h 55m
Deal found 8/15![Multiple Airlines logo]()
$1,171
This Indian Eagle deal was found by Cheapflights users on 8/19. 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 Indian Eagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/28:40 pm -
2 stops32h 00m
Sun 12/138:25 pm -
2 stops33h 50m
Deal found 8/19![British Airways logo]()
$1,492
Last-minute flights from Chicago to PatnaDiscover last-minute flight deals from Chicago to Patna. Data last updated August 20, 2026 and is based on user searches.
Discover last-minute flight deals from Chicago to Patna. Data last updated August 20, 2026 and is based on user searches.
This British Airways deal was found by Cheapflights users on 8/17. 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.
Sat 9/2610:25 pm -
2 stops30h 20m
Wed 9/303:50 pm -
2 stops33h 35m
Deal found 8/17![British Airways logo]()
$1,471
This Gotogate deal was found by Cheapflights users on 8/16. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/308:25 pm -
2 stops27h 25m
Wed 10/73:20 pm -
2 stops27h 45m
Deal found 8/16![Multiple Airlines logo]()
$1,055
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 August 20, 2026.
Search for one-way flight options from Chicago to Patna. Find affordable one-way fares based on user searches. Data last updated August 20, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/16. 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 11/116:50 pm -
3 stops29h 00m
Deal found 8/16![Multiple Airlines logo]()
$574
This Flightnetwork deal was found by Cheapflights users on 8/16. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/308:25 pm -
2 stops27h 25m
Deal found 8/16![Multiple Airlines logo]()
$701
This Air France deal was found by Cheapflights users on 8/16. 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.
Mon 11/306:25 pm -
2 stops26h 00m
Deal found 8/16![Air France logo]()
$956
This oojo deal was found by Cheapflights users on 8/20. 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.
Mon 11/304:10 pm -
2 stops30h 00m
Deal found 8/20![Multiple Airlines logo]()
$990
This MakeMyTrip deal was found by Cheapflights users on 8/16. 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 11/257:45 pm -
2 stops26h 25m
Deal found 8/16![Multiple Airlines logo]()
$1,063
This Ovago deal was found by Cheapflights users on 8/19. 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 11/3010:35 pm -
3 stops50h 35m
Deal found 8/19![British Airways logo]()
$1,234
This KAYAK deal was found by Cheapflights users on 8/19. 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 11/259:50 pm -
3 stops72h 10m
Deal found 8/19![British Airways logo]()
$1,400
This Malaysia Airlines deal was found by Cheapflights users on 8/18. 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.
Wed 11/256:50 pm -
3 stops37h 15m
Deal found 8/18![Malaysia Airlines logo]()
$2,051
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 August 20, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $1,055 (Gotogate) |
One-way from | $574 (Kiwi.com) |
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 August 20, 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
ChicagoPatna
ORD Chicago O'Hare Intl - PAT Patna
ORDPAT
Chicago O'Hare Intl
Wed 9/30
8:25 pm-10:20 am
2 stops27h 25m
Patna
Wed 10/7
3:20 pm-8:35 am
2 stops27h 45m
$1,055
Quickest round-trip
ChicagoPatna
ORD Chicago O'Hare Intl - PAT Patna
ORDPAT
Chicago O'Hare Intl
Thu 10/1
8:25 pm-9:50 am
2 stops26h 55m
Patna
Thu 10/8
3:50 pm-8:35 am
2 stops27h 15m
$1,155
ChicagoPatna
ORD Chicago O'Hare Intl - PAT Patna
ORDPAT
Chicago O'Hare Intl
Thu 10/29
9:20 pm-11:35 am
3 stops27h 45m
Patna
Mon 11/23
8:30 am-7:55 am
2 stops58h 55m
$1,171
ChicagoPatna
ORD Chicago O'Hare Intl - PAT Patna
ORDPAT
Chicago O'Hare Intl
Sat 9/26
10:25 pm-3:15 pm
2 stops30h 20m
Patna
Wed 9/30
3:50 pm-2:55 pm
2 stops33h 35m
$1,471
ChicagoPatna
ORD Chicago O'Hare Intl - PAT Patna
ORDPAT
Chicago O'Hare Intl
Wed 12/2
8:40 pm-4:10 pm
2 stops32h 00m
Patna
Sun 12/13
8:25 pm-6:45 pm
2 stops33h 50m
$1,492
Cheapest one-way
ChicagoPatna
ORD Chicago O'Hare Intl - PAT Patna
ORDPAT
Chicago O'Hare Intl
Wed 11/11
6:50 pm-11:20 am
3 stops29h 00m
$574
ChicagoPatna
ORD Chicago O'Hare Intl - PAT Patna
ORDPAT
Chicago O'Hare Intl
Wed 9/30
8:25 pm-10:20 am
2 stops27h 25m
$701
Quickest one-way
ChicagoPatna
ORD Chicago O'Hare Intl - PAT Patna
ORDPAT
Chicago O'Hare Intl
Mon 11/30
6:25 pm-7:55 am
2 stops26h 00m
$956
ChicagoPatna
ORD Chicago O'Hare Intl - PAT Patna
ORDPAT
Chicago O'Hare Intl
Mon 11/30
4:10 pm-9:40 am
2 stops30h 00m
$990
ChicagoPatna
ORD Chicago O'Hare Intl - PAT Patna
ORDPAT
Chicago O'Hare Intl
Wed 11/25
7:45 pm-9:40 am
2 stops26h 25m
$1,063
Showing 1-10 of 11 resultsSorted 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 August 20, 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.
Boarding
6.3
Food
5.8
Crew
6.7
Comfort
5.5
Overall
5.5
Entertainment
4.6
Reviews
1 / 20
2.0
MediocreAnonymous,Aug 2023
ORD - DEL
Boarding
6.3
Food
5.8
Crew
6.7
Comfort
5.5
Overall
5.5
Entertainment
4.6
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
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Other flights from Chicago
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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 August 20, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$738 | Average$1,261 | FlexibilityNo cancel fee | On-timeN/A |