Cheap flights from Illinois to Patna from $594
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Patna departing on 11/8. 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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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
ChicagoPatna
ORD Chicago O'Hare Intl - PAT Patna
ORDPAT
Chicago O'Hare Intl
Sat 12/5
9:50 pm-11:40 am
2 stops50h 20m
Patna
Sat 12/26
3:45 pm-6:25 pm
2 stops38h 10m
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
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
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
5:55 pm-4:15 pm
3 stops33h 50m
ChicagoPatna
ORD Chicago O'Hare Intl - PAT Patna
ORDPAT
Chicago O'Hare Intl
Thu 11/19
6:50 pm-3:00 pm
3 stops32h 40m
Patna
Thu 11/26
4:25 pm-2:30 pm
2 stops33h 35m
ChicagoPatna
ORD Chicago O'Hare Intl - PAT Patna
ORDPAT
Chicago O'Hare Intl
Sun 11/1
7:45 pm-3:00 pm
2 stops31h 45m
Patna
Mon 11/30
8:25 pm-7:55 pm
2 stops35h 00m
ChicagoPatna
ORD Chicago O'Hare Intl - PAT Patna
ORDPAT
Chicago O'Hare Intl
Thu 11/19
6:50 pm-3:10 pm
3 stops32h 50m
Patna
Thu 11/26
6:10 pm-2:30 pm
3 stops31h 50m
ChicagoPatna
ORD Chicago O'Hare Intl - PAT Patna
ORDPAT
Chicago O'Hare Intl
Sat 12/5
9:11 pm-12:40 pm
3 stops51h 59m
Patna
Sat 12/26
8:25 pm-6:45 pm
2 stops33h 50m
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
ChicagoPatna
ORD Chicago O'Hare Intl - PAT Patna
ORDPAT
Chicago O'Hare Intl
Sun 11/8
6:50 pm-12:10 pm
3 stops29h 50m
See travel insights to Patna from
How to get the cheapest flight ticket from Illinois 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
Cheap Illinois to Patna flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Illinois to Patna
Frequently asked questions about flying from Illinois to Patna
When did momondo last update prices for flights from Illinois to Patna Airport?
Prices for flights from Illinois to Patna Airport refresh daily.
How many operators does momondo search for flights from Illinois to Patna Airport?
As of October 2026, there is 1 operator available to choose from for flights from Illinois to Patna Airport.
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 that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check 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 required travel and health documents for your Patna Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Patna Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
Best airlines flying from Illinois to Patna
Compare and see reviews for airlines that fly from Illinois to Patna with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $738 | Free Cancellation | Rating 5.5 2,917 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Illinois to Patna?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Illinois to Patna for you.
Can I find flights from Illinois to Patna with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Patna from Illinois with this policy.
How can momondo help me find flights from Illinois to Patna?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Patna from Illinois.
I’m not ready to book a flight from Illinois to Patna right now. Can momondo alert me if prices change?
Price alerts on flights to Patna from Illinois are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.