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Cheap flights from Chicago to Patna from $666

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 3/15. 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
0 bags

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Multiple Airlines Logo
CHI
-
PAT
7747 mimulti-stop
Multiple Airlines Logo
PAT
-
CHI
7747 mimulti-stop
Multiple Airlines

momondo 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, momondo users made 832,500 searches. Data last updated March 10, 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 one-way
Quickest one-way

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Sun 3/15

8:05 pm-7:55 am

2 stops25h 20m

$666

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Sun 3/15

12:50 pm-8:45 pm

3 stops45h 25m

$746

ChicagoPatna

ORD - PAT

ORDPAT

Chicago O'Hare Intl

Sun 3/15

2:30 pm-9:40 am

1 stop32h 40m

$957

Flights are sorted by cheapest round-trip flights first.

Sorted 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 42% 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

Fastest flight time

53h 15m

Direct flights

None
The fastest flight from Chicago to Patna takes 53h 15m
There are no direct flights from Chicago to Patna. There are no popular flight routes from Chicago to Patna.
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  • 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 53h 15m.

  • 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 $894Free CancellationRating
5.5
2,968 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?

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.

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