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.
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Fly from
Fly to
Route
Depart
Return
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
ChicagoPatna
ORD Chicago O'Hare Intl - PAT Patna
ORDPAT
Chicago O'Hare Intl
Tue 9/8
2:00 pm-9:40 am
2 stops33h 10m
Patna
Tue 9/15
7:10 pm-3:40 pm
2 stops31h 00m
ChicagoPatna
ORD Chicago O'Hare Intl - PAT Patna
ORDPAT
Chicago O'Hare Intl
Thu 9/24
8:25 pm-9:40 am
2 stops26h 45m
Patna
Thu 10/1
3:20 pm-8:35 am
2 stops27h 45m
ChicagoPatna
ORD Chicago O'Hare Intl - PAT Patna
ORDPAT
Chicago O'Hare Intl
Thu 9/24
2:00 pm-7:00 am
3 stops30h 30m
Patna
Thu 10/1
11:35 am-8:35 am
2 stops31h 30m
ChicagoPatna
ORD Chicago O'Hare Intl - PAT Patna
ORDPAT
Chicago O'Hare Intl
Tue 9/8
2:00 pm-7:00 am
3 stops30h 30m
Patna
Tue 9/15
11:35 am-8:35 am
2 stops31h 30m
ChicagoPatna
ORD Chicago O'Hare Intl - PAT Patna
ORDPAT
Chicago O'Hare Intl
Thu 9/24
2:00 pm-7:00 am
3 stops30h 30m
Patna
Thu 10/1
8:30 am-8:35 am
3 stops34h 35m
ChicagoPatna
ORD Chicago O'Hare Intl - PAT Patna
ORDPAT
Chicago O'Hare Intl
Tue 9/8
2:00 pm-7:00 am
3 stops30h 30m
Patna
Tue 9/15
11:05 am-8:35 am
3 stops32h 00m
ChicagoPatna
ORD Chicago O'Hare Intl - PAT Patna
ORDPAT
Chicago O'Hare Intl
Sat 9/26
2:00 pm-7:00 am
3 stops30h 30m
Patna
Sat 10/3
11:35 am-8:35 am
2 stops31h 30m
ChicagoPatna
ORD Chicago O'Hare Intl - PAT Patna
ORDPAT
Chicago O'Hare Intl
Sat 9/26
2:00 pm-7:00 am
3 stops30h 30m
Patna
Sat 10/3
11:05 am-8:35 am
3 stops32h 00m
ChicagoPatna
ORD Chicago O'Hare Intl - PAT Patna
ORDPAT
Chicago O'Hare Intl
Wed 9/23
10:25 pm-12:45 pm
2 stops27h 50m
Patna
Sun 9/27
3:50 pm-5:15 pm
2 stops35h 55m
See travel insights to Patna from
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
When to book flights from Chicago to Patna
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
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 25h 30m.
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?
As of August 2026, there is 1 operator available to choose from 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?
momondo data reveals that the most frequently booked airline on the route from Chicago to Patna is Air India, representing 100% of all bookings.
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 | ||
|---|---|---|---|---|---|
| PriceFrom $738 | Free Cancellation | Rating 5.5 2,948 reviews |
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?
Price alerts on flights to Patna from Chicago 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.