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Cheap flights from Chicago to Patna from $527

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to Patna departing on 12/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Chicago to Patna

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
8:25 pm - 1:25 pmORD  Chicago O'Hare Intl-PAT Patna
30h 30m2 stops Abu Dhabi Zayed Intl Mumbai Chhatrapati Shivaji Intl
Multiple Airlines Logo
10:20 am - 8:35 amPAT  Patna-ORD Chicago O'Hare Intl
32h 45m2 stops New Delhi Indira Gandhi Intl Abu Dhabi Zayed Intl
$979Multiple Airlines
Mon, Sep 28 - Mon, Oct 5
Multiple Airlines Logo
8:25 pm - 9:40 amORD  Chicago O'Hare Intl-PAT Patna
26h 45m2 stops Abu Dhabi Zayed Intl New Delhi Indira Gandhi Intl
Multiple Airlines Logo
7:10 pm - 3:40 pmPAT  Patna-ORD Chicago O'Hare Intl
31h 00m2 stops New Delhi Indira Gandhi Intl Abu Dhabi Zayed Intl
$1,024Multiple Airlines
Sun, Sep 27 - Sun, Oct 4
Multiple Airlines Logo
8:25 pm - 2:50 pmORD  Chicago O'Hare Intl-PAT Patna
31h 55m2 stops Abu Dhabi Zayed Intl New Delhi Indira Gandhi Intl
Multiple Airlines Logo
7:10 pm - 3:40 pmPAT  Patna-ORD Chicago O'Hare Intl
31h 00m2 stops New Delhi Indira Gandhi Intl Abu Dhabi Zayed Intl
$1,051Multiple Airlines
Sat, Sep 26 - Sat, Oct 3
Multiple Airlines Logo
8:25 pm - 10:20 amORD  Chicago O'Hare Intl-PAT Patna
27h 25m2 stops Abu Dhabi Zayed Intl New Delhi Indira Gandhi Intl
Multiple Airlines Logo
3:20 pm - 8:35 amPAT  Patna-ORD Chicago O'Hare Intl
27h 45m2 stops New Delhi Indira Gandhi Intl Abu Dhabi Zayed Intl
$1,055Multiple Airlines
Wed, Sep 30 - Wed, Oct 7
Multiple Airlines Logo
8:25 pm - 5:45 pmORD  Chicago O'Hare Intl-PAT Patna
34h 50m3 stops Abu Dhabi Zayed Intl New Delhi Indira Gandhi Intl Lucknow Amausi
Multiple Airlines Logo
12:55 pm - 8:35 amPAT  Patna-ORD Chicago O'Hare Intl
30h 10m3 stops Chandigarh New Delhi Indira Gandhi Intl Abu Dhabi Zayed Intl
$1,056Multiple Airlines
Wed, Sep 30 - Wed, Oct 7
Multiple Airlines Logo
8:25 pm - 5:45 pmORD  Chicago O'Hare Intl-PAT Patna
34h 50m3 stops Abu Dhabi Zayed Intl New Delhi Indira Gandhi Intl Lucknow Amausi
Multiple Airlines Logo
3:50 pm - 8:35 amPAT  Patna-ORD Chicago O'Hare Intl
27h 15m2 stops New Delhi Indira Gandhi Intl Abu Dhabi Zayed Intl
$1,058Multiple Airlines
Wed, Sep 30 - Wed, Oct 7
Multiple Airlines Logo
8:25 pm - 5:45 pmORD  Chicago O'Hare Intl-PAT Patna
34h 50m3 stops Abu Dhabi Zayed Intl New Delhi Indira Gandhi Intl Lucknow Amausi
Multiple Airlines Logo
10:30 am - 8:35 amPAT  Patna-ORD Chicago O'Hare Intl
32h 35m2 stops New Delhi Indira Gandhi Intl Abu Dhabi Zayed Intl
$1,063Multiple Airlines
Mon, Sep 28 - Mon, Oct 5
Multiple Airlines Logo
8:25 pm - 8:45 pmORD  Chicago O'Hare Intl-PAT Patna
37h 50m2 stops Abu Dhabi Zayed Intl New Delhi Indira Gandhi Intl
Multiple Airlines Logo
8:25 am - 8:35 amPAT  Patna-ORD Chicago O'Hare Intl
34h 40m2 stops New Delhi Indira Gandhi Intl Abu Dhabi Zayed Intl
$1,066Multiple Airlines
Mon, Sep 28 - Mon, Oct 5
Multiple Airlines Logo
8:25 pm - 5:45 pmORD  Chicago O'Hare Intl-PAT Patna
34h 50m3 stops Abu Dhabi Zayed Intl New Delhi Indira Gandhi Intl Lucknow Amausi
Multiple Airlines Logo
3:10 pm - 8:35 amPAT  Patna-ORD Chicago O'Hare Intl
51h 55m3 stops Lucknow Amausi New Delhi Indira Gandhi Intl Abu Dhabi Zayed Intl
$1,070Multiple Airlines
Sun, Sep 27 - Sun, Oct 4
Multiple Airlines Logo
8:25 pm - 5:45 pmORD  Chicago O'Hare Intl-PAT Patna
34h 50m3 stops Abu Dhabi Zayed Intl New Delhi Indira Gandhi Intl Lucknow Amausi
Multiple Airlines Logo
3:50 pm - 3:40 pmPAT  Patna-ORD Chicago O'Hare Intl
58h 20m2 stops New Delhi Indira Gandhi Intl Abu Dhabi Zayed Intl
$1,075Multiple Airlines
Sun, Sep 27 - Sun, Oct 4

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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, momondo users made 832,500 searches. Data last updated August 17, 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 Chicago O'Hare Intl - PAT Patna

ORDPAT

Chicago O'Hare Intl

Mon 9/28

8:25 pm-1:25 pm

2 stops30h 30m

Patna

Mon 10/5

10:20 am-8:35 am

2 stops32h 45m

$979

ChicagoPatna

ORD Chicago O'Hare Intl - PAT Patna

ORDPAT

Chicago O'Hare Intl

Sun 9/27

8:25 pm-9:40 am

2 stops26h 45m

Patna

Sun 10/4

7:10 pm-3:40 pm

2 stops31h 00m

$1,024

ChicagoPatna

ORD Chicago O'Hare Intl - PAT Patna

ORDPAT

Chicago O'Hare Intl

Sat 9/26

8:25 pm-2:50 pm

2 stops31h 55m

Patna

Sat 10/3

7:10 pm-3:40 pm

2 stops31h 00m

$1,051
Quickest 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

ChicagoPatna

ORD Chicago O'Hare Intl - PAT Patna

ORDPAT

Chicago O'Hare Intl

Wed 9/30

8:25 pm-5:45 pm

3 stops34h 50m

Patna

Wed 10/7

12:55 pm-8:35 am

3 stops30h 10m

$1,056

ChicagoPatna

ORD Chicago O'Hare Intl - PAT Patna

ORDPAT

Chicago O'Hare Intl

Wed 9/30

8:25 pm-5:45 pm

3 stops34h 50m

Patna

Wed 10/7

3:50 pm-8:35 am

2 stops27h 15m

$1,058

ChicagoPatna

ORD Chicago O'Hare Intl - PAT Patna

ORDPAT

Chicago O'Hare Intl

Mon 9/28

8:25 pm-5:45 pm

3 stops34h 50m

Patna

Mon 10/5

10:30 am-8:35 am

2 stops32h 35m

$1,063

ChicagoPatna

ORD Chicago O'Hare Intl - PAT Patna

ORDPAT

Chicago O'Hare Intl

Mon 9/28

8:25 pm-8:45 pm

2 stops37h 50m

Patna

Mon 10/5

8:25 am-8:35 am

2 stops34h 40m

$1,066

ChicagoPatna

ORD Chicago O'Hare Intl - PAT Patna

ORDPAT

Chicago O'Hare Intl

Sun 9/27

8:25 pm-5:45 pm

3 stops34h 50m

Patna

Sun 10/4

3:10 pm-8:35 am

3 stops51h 55m

$1,070

ChicagoPatna

ORD Chicago O'Hare Intl - PAT Patna

ORDPAT

Chicago O'Hare Intl

Sun 9/27

8:25 pm-5:45 pm

3 stops34h 50m

Patna

Sun 10/4

3:50 pm-3:40 pm

2 stops58h 20m

$1,075

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Chicago to Patna

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Can stopping save me money on Chicago to Patna flights?

You could potentially save up to 22% on your flight if you consider stops on a Chicago to Patna flight.

When to book flights from Chicago to Patna

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago to Patna according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Chicago to Patna (CHI to PAT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago to Patna

Best Price Found

$527

Fastest flight time

27h 25m

Direct flights

None
The best one-way flight to Patna from Chicago in the past 72 hours is $527. The best round-trip flight deal from Chicago to Patna found on momondo in the last 72 hours is $979.
The fastest flight from Chicago to Patna takes 27h 25m
There are no direct flights from Chicago to Patna. There are no popular flight routes from Chicago to Patna.
Search flight deals

Frequently asked questions about flying from Chicago to Patna

  • How far is Chicago to Patna by plane?

    The distance between Chicago and Patna is about 7745.1 mi. By plane, this route typically takes 27h 25m.

  • When did momondo last update prices for flights from Chicago to Patna Airport?

    Prices for flights from Chicago to Patna Airport refresh daily.

  • How many operators does momondo search for flights from Chicago to Patna Airport?

  • How old do you have to be to fly from Chicago to Patna Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago to Patna Airport.

  • What documentation or ID do you need to fly to Patna Airport?

    The travel and health documents required for your trip to Patna Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Patna Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Chicago to Patna?

Best airlines flying from Chicago to Patna

Compare and see reviews for airlines that fly from Chicago to Patna with momondo
Airline
Rating
Free Cancellation
Price
Air IndiaPriceFrom $738Free CancellationRating
5.5
2,945 reviews
Search Air India flights

Why use momondo?

Why should I use momondo to find a flight deal from Chicago to Patna?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Patna from Chicago.

Can I find flights from Chicago to Patna with flexible booking policies on momondo?

All flight searches from Chicago to Patna on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Chicago to Patna?

momondo provides multiple filters to help you find the best flight to Patna from Chicago. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Chicago to Patna right now. Can momondo alert me if prices change?

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