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Cheap flights from Illinois to Patna from ₹ 99,562

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Patna departing on 1/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Illinois to Patna

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
13:10 - 09:40
ORD
-
PAT
33h 00m
3 stops
Multiple Airlines Logo
16:35 - 08:35
PAT
-
ORD
26h 30m
2 stops
₹ 99,562Multiple Airlines
Sun, 1 Mar - Sat, 18 Apr
Multiple Airlines Logo
13:10 - 09:40
ORD
-
PAT
33h 00m
3 stops
Multiple Airlines Logo
08:20 - 08:35
PAT
-
ORD
34h 45m
3 stops
₹ 99,924Multiple Airlines
Sun, 1 Mar - Sat, 18 Apr
Air India Logo
13:30 - 09:40
ORD
-
PAT
32h 40m
1 stop
Air India Logo
19:10 - 11:10
PAT
-
ORD
26h 30m
2 stops
₹ 102,189Air India
Sun, 1 Mar - Sat, 18 Apr
IndiGo Logo
20:20 - 10:10
ORD
-
PAT
26h 20m
2 stops
IndiGo Logo
14:55 - 19:25
PAT
-
ORD
39h 00m
2 stops
₹ 103,276IndiGo
Wed, 25 Feb - Thu, 12 Mar
Air India Logo
13:30 - 09:40
ORD
-
PAT
32h 40m
1 stop
Air India Logo
16:35 - 11:10
PAT
-
ORD
53h 05m
3 stops
₹ 104,363Air India
Sun, 1 Mar - Sat, 18 Apr
Air India Logo
13:30 - 14:40
ORD
-
PAT
37h 40m
1 stop
Air India Logo
15:30 - 11:10
PAT
-
ORD
30h 10m
1 stop
₹ 112,607Air India
Sun, 1 Mar - Sat, 18 Apr
Air India Logo
12:20 - 18:30
ORD
-
PAT
43h 40m
2 stops
Air India Logo
19:10 - 11:10
PAT
-
ORD
26h 30m
2 stops
₹ 112,969Air India
Sat, 28 Mar - Sat, 4 Apr
Air India Logo
12:20 - 12:30
ORD
-
PAT
61h 40m
2 stops
Air India Logo
13:05 - 11:10
PAT
-
ORD
32h 35m
3 stops
₹ 119,401Air India
Sat, 28 Mar - Sat, 4 Apr
Air India Logo
13:30 - 14:40
ORD
-
PAT
37h 40m
1 stop
Air India Logo
10:25 - 22:56
PAT
-
ORD
47h 01m
2 stops
₹ 120,217Air India
Wed, 25 Feb - Thu, 12 Mar
Multiple Airlines Logo
14:10 - 09:50
ORD
-
PAT
33h 10m
3 stops
Multiple Airlines Logo
16:35 - 11:10
PAT
-
ORD
53h 05m
3 stops
₹ 132,900Multiple Airlines
Sat, 28 Mar - Sat, 4 Apr

British Airways flights from Illinois to Patna

Our best British Airways deals on Illinois to Patna flight tickets
British Airways
9 Mar
ORD22:45Chicago O'Hare Intl
30h 45m
2 stops
PAT16:00Patna
13 Mar
PAT20:15Patna
56h 15m
2 stops
ORD18:00Chicago O'Hare Intl
₹ 551,439
British Airways
9 Mar
ORD18:10Chicago O'Hare Intl
53h 30m
2 stops
PAT10:10Patna
13 Mar
PAT23:10Patna
53h 20m
2 stops
ORD18:00Chicago O'Hare Intl
₹ 574,087

Air India flights from Illinois to Patna

Our best Air India deals on Illinois to Patna flight tickets
Air India
1 Mar
ORD13:30Chicago O'Hare Intl
32h 40m
1 stop
PAT09:40Patna
18 Apr
PAT19:10Patna
26h 30m
2 stops
ORD11:10Chicago O'Hare Intl
₹ 102,189
Air India
1 Mar
ORD13:30Chicago O'Hare Intl
32h 40m
1 stop
PAT09:40Patna
18 Apr
PAT16:35Patna
53h 05m
3 stops
ORD11:10Chicago O'Hare Intl
₹ 104,363
Air India
1 Mar
ORD13:30Chicago O'Hare Intl
37h 40m
1 stop
PAT14:40Patna
18 Apr
PAT15:30Patna
30h 10m
1 stop
ORD11:10Chicago O'Hare Intl
₹ 112,607

momondo Fare Finder

 
Customise your flight search to find flights from Illinois 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 59,053 searches. Data last updated 13 February 2026.
Use the filters below to find and compare flights from Illinois to Patna that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Sun 1/3

13:10-09:40

3 stops33h 00m

Patna

Sat 18/4

16:35-08:35

2 stops26h 30m

₹ 99,562

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Sun 1/3

13:10-09:40

3 stops33h 00m

Patna

Sat 18/4

08:20-08:35

3 stops34h 45m

₹ 99,924

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Sun 1/3

13:30-09:40

1 stop32h 40m

Patna

Sat 18/4

19:10-11:10

2 stops26h 30m

₹ 102,189

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Wed 25/2

20:20-10:10

2 stops26h 20m

Patna

Thu 12/3

14:55-19:25

2 stops39h 00m

₹ 103,276

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Sun 1/3

13:30-09:40

1 stop32h 40m

Patna

Sat 18/4

16:35-11:10

3 stops53h 05m

₹ 104,363

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Sun 1/3

13:30-14:40

1 stop37h 40m

Patna

Sat 18/4

15:30-11:10

1 stop30h 10m

₹ 112,607

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Sat 28/3

12:20-18:30

2 stops43h 40m

Patna

Sat 4/4

19:10-11:10

2 stops26h 30m

₹ 112,969

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Sat 28/3

12:20-12:30

2 stops61h 40m

Patna

Sat 4/4

13:05-11:10

3 stops32h 35m

₹ 119,401

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Wed 25/2

13:30-14:40

1 stop37h 40m

Patna

Thu 12/3

10:25-22:56

2 stops47h 01m

₹ 120,217

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Sat 28/3

14:10-09:50

3 stops33h 10m

Patna

Sat 4/4

16:35-11:10

3 stops53h 05m

₹ 132,900

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

Cheap Illinois to Patna flight deals and tips

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

Fastest flight time

26h 20m

Direct flights

None
The fastest flight from Illinois to Patna takes 26h 20m
There are no direct flights from Illinois to Patna. There are no popular flight routes from Illinois to Patna.
Search flight deals

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

    Prices for flights from Illinois to Patna Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Illinois 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 Illinois to Patna Airport.

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

    The necessary travel and health documents for your Patna Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • How do I get Price Alerts for flights from Illinois to Patna?

    You can take advantage of momondo’s Price Alerts by first searching for your flights to Illinois from Patna. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

  • How can I save money on flights from Illinois to Patna with momondo?

    With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.

  • How does momondo find its flight prices?

    momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

Why use momondo?

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

Finding the right flight to Patna from Illinois is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Patna quick and easy, saving you time and money.

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

Flights from Illinois to Patna with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once all potential Illinois to Patna flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes. momondo can track prices for Illinois to Patna flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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