In terms of precipitation, rainfall in Patna ranges from 7.0 - 319.0 inches per month. July is typically the wettest month, when rainfall can reach 319.0 mm. December is typically the driest time to visit Patna when rainfall is around 7.0 mm.

If weather is an important factor for your trip to Patna, use this chart to help with planning. For those seeking warmer temperatures, May is the ideal time of year to visit, when temperatures reach an average of 32.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 16.0 C).

What is the cheapest time of day to fly from ORD to PAT?

When flying from Chicago O'Hare Intl Airport to Patna, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What airport do you fly into for flights to Patna from Chicago O'Hare Intl?

Patna (PAT), located 3.0 km from the city centre, is the airport you fly into when you book flights from Chicago O'Hare Intl to Patna. 0 airlines have flights to Patna from Chicago O'Hare Intl on a regular basis. Booking flights from Chicago O'Hare Intl to Patna should not be difficult; the airport handles an average of 0 inbound flights from Chicago O'Hare Intl per day.

Can I find deals for flights from O'Hare Intl to Patna that include hotel bookings?

Yes. In addition to deals on O'Hare Intl to Patna flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from O'Hare Intl to Patna?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from O'Hare Intl to Patna.

Can I find deals for business class flights from O'Hare Intl to Patna?

Yes. Cheapflights offers flight deals from O'Hare Intl to Patna by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

₹ 46,346+ Cheap Flights from Chicago O'Hare Intl Airport to Patna

Cheap flight deals from O'Hare Intl to Patna

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from O'Hare Intl to Patna
Explore the most affordable flight options available from O'Hare Intl to Patna. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 September 2026.

Thu 1/1020:05 -

2 stops48h 25m

Fri 16/1007:35 -

2 stops42h 35m

Deal found 28/9₹ 104,495

Sun 4/1020:05 -

2 stops27h 45m

Mon 19/1019:00 -

2 stops31h 10m

Deal found 28/9₹ 106,030

Mon 5/1020:25 -

2 stops31h 55m

Mon 19/1015:20 -

2 stops27h 45m

Deal found 28/9₹ 107,950

Sun 4/1020:05 -

2 stops27h 45m

Tue 20/1015:20 -

2 stops27h 45m

Deal found 28/9₹ 111,788

Tue 6/1017:10 -

2 stops28h 15m

Tue 20/1015:50 -

2 stops33h 50m

Deal found 28/9₹ 112,651

Mon 5/1020:05 -

2 stops32h 15m

Tue 20/1015:20 -

2 stops27h 45m

Deal found 28/9₹ 119,464

Thu 1/1019:05 -

2 stops28h 45m

Thu 15/1019:00 -

2 stops30h 55m

Deal found 28/9₹ 131,458

Thu 1/1019:05 -

2 stops28h 45m

Sat 17/1019:00 -

2 stops30h 55m

Deal found 28/9₹ 134,433

Wed 30/919:20 -

2 stops52h 30m

Thu 15/1019:00 -

2 stops30h 55m

Deal found 28/9₹ 141,534

Wed 30/919:20 -

2 stops52h 30m

Sat 17/1019:00 -

2 stops30h 55m

Deal found 28/9₹ 145,276

Tue 6/1017:10 -

2 stops28h 15m

Mon 19/1018:35 -

2 stops31h 05m

Deal found 28/9₹ 145,468

Wed 30/916:15 -

2 stops60h 05m

Fri 16/1010:55 -

2 stops37h 30m

Deal found 28/9₹ 155,543

Find flight deals from O'Hare Intl to Patna

Round-trip from	₹ 155,735
One-way from	₹ 46,346

2/11-30/11
5 total stops
67h 50m total
Chicago to Patna

Search Deals

20/10-31/12
2 total stops
48h 30m total
Chicago to Patna

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Patna that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Fastest return journey

ChicagoPatna

ORD Chicago O'Hare Intl - PAT Patna

ORDPAT

Chicago O'Hare Intl

Wed 25/11

18:50-11:00

3 stops28h 40m

Patna

Wed 31/12

00:00-12:30

Nonstop0h 00m

₹ 48,553

ChicagoPatna

ORD Chicago O'Hare Intl - PAT Patna

ORDPAT

Chicago O'Hare Intl

Thu 11/2

13:10-11:35

2 stops34h 55m

Patna

Wed 31/12

00:00-12:30

Nonstop0h 00m

₹ 49,705

ChicagoPatna

ORD Chicago O'Hare Intl - PAT Patna

ORDPAT

Chicago O'Hare Intl

Wed 28/10

19:50-11:00

3 stops28h 40m

Patna

Wed 31/12

00:00-12:30

Nonstop0h 00m

₹ 50,664

ChicagoPatna

ORD Chicago O'Hare Intl - PAT Patna

ORDPAT

Chicago O'Hare Intl

Thu 22/10

20:25-17:45

3 stops34h 50m

Patna

Wed 31/12

00:00-12:30

Nonstop0h 00m

₹ 60,068

ChicagoPatna

ORD Chicago O'Hare Intl - PAT Patna

ORDPAT

Chicago O'Hare Intl

Mon 26/10

10:26-15:10

3 stops42h 14m

Patna

Wed 31/12

00:00-12:30

Nonstop0h 00m

₹ 62,179

ChicagoPatna

ORD Chicago O'Hare Intl - PAT Patna

ORDPAT

Chicago O'Hare Intl

Tue 24/11

14:10-08:10

2 stops30h 30m

Patna

Wed 31/12

00:00-12:30

Nonstop0h 00m

₹ 62,659

ChicagoPatna

ORD Chicago O'Hare Intl - PAT Patna

ORDPAT

Chicago O'Hare Intl

Sun 25/10

21:15-20:20

2 stops36h 35m

Patna

Wed 31/12

00:00-12:30

Nonstop0h 00m

₹ 64,770

ChicagoPatna

ORD Chicago O'Hare Intl - PAT Patna

ORDPAT

Chicago O'Hare Intl

Thu 26/11

11:00-08:10

3 stops33h 40m

Patna

Wed 31/12

00:00-12:30

Nonstop0h 00m

₹ 64,866

ChicagoPatna

ORD Chicago O'Hare Intl - PAT Patna

ORDPAT

Chicago O'Hare Intl

Mon 23/11

22:45-23:45

3 stops37h 30m

Patna

Wed 31/12

00:00-12:30

Nonstop0h 00m

₹ 65,633

ChicagoPatna

ORD Chicago O'Hare Intl - PAT Patna

ORDPAT

Chicago O'Hare Intl

Sun 22/11

10:30-15:00

3 stops41h 00m

Patna

Wed 31/12

00:00-12:30

Nonstop0h 00m

₹ 68,224

Flights are sorted by cheapest return flights first.

Deals found on 24/9

Showing 1-10 of 13 resultsSorted by cheapest first

Best time to book a flight from O'Hare Intl to Patna

Have a flexible travel schedule? Discover the best time to fly to Patna from O'Hare Intl with our price prediction graph.

ORD-PAT

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

What airport do you fly into for flights to Patna from Chicago O'Hare Intl?
Patna (PAT), located 3.0 km from the city centre, is the airport you fly into when you book flights from Chicago O'Hare Intl to Patna. 0 airlines have flights to Patna from Chicago O'Hare Intl on a regular basis. Booking flights from Chicago O'Hare Intl to Patna should not be difficult; the airport handles an average of 0 inbound flights from Chicago O'Hare Intl per day.
Can I find deals for flights from O'Hare Intl to Patna that include hotel bookings?
Yes. In addition to deals on O'Hare Intl to Patna flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from O'Hare Intl to Patna?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from O'Hare Intl to Patna.
Can I find deals for business class flights from O'Hare Intl to Patna?
Yes. Cheapflights offers flight deals from O'Hare Intl to Patna by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Direct flights to Bihar

Flights by cabin class

Other flight options

Other flights from O'Hare Intl

Patna flight routes

Popular flights

Direct flights to Bihar

Direct flights to Patna

Direct flights to Darbhanga

Direct flights to Gaya

Fly with Cheapflights

How does Cheapflights help users find flights from O'Hare Intl to Patna?

Cheapflights helps you search for flights from O'Hare Intl to Patna via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from O'Hare Intl to Patna?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from O'Hare Intl to Patna for you. Better yet — we are completely free to use.

Can Cheapflights find flights from O'Hare Intl to Patna with no change fees?

Certainly. Search results for flights to Patna from O'Hare Intl shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from O'Hare Intl to Patna become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book With Flexibility

Our users can plan ahead with confidence and find flights with no change fees.

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from Chicago O'Hare Intl Airport to Patna from ₹ 46,346

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 20/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from O'Hare Intl to Patna

Cheapest flights from O'Hare Intl to PatnaExplore the most affordable flight options available from O'Hare Intl to Patna. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 September 2026.

Explore the most affordable flight options available from O'Hare Intl to Patna. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 September 2026.

Best flights from O'Hare Intl to PatnaDiscover carefully curated flight deals from O'Hare Intl to Patna that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 28 September 2026.

Discover carefully curated flight deals from O'Hare Intl to Patna that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 28 September 2026.

Last-minute flights from O'Hare Intl to PatnaDiscover last-minute flight deals from O'Hare Intl to Patna. Data last updated 28 September 2026 and is based on user searches.

Discover last-minute flight deals from O'Hare Intl to Patna. Data last updated 28 September 2026 and is based on user searches.

One-way flights from O'Hare Intl to PatnaSearch for one-way flight options from O'Hare Intl to Patna. Find affordable one-way fares based on user searches. Data last updated 28 September 2026.

Search for one-way flight options from O'Hare Intl to Patna. Find affordable one-way fares based on user searches. Data last updated 28 September 2026.

Find flight deals from O'Hare Intl to Patna

Round-trip from

One-way from

Cheapflights Fare Finder

Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Patna that are best for you.

Best time to book a flight from O'Hare Intl to Patna

Have a flexible travel schedule? Discover the best time to fly to Patna from O'Hare Intl with our price prediction graph.

Related info for your journey

What airport do you fly into for flights to Patna from Chicago O'Hare Intl?

Can I find deals for flights from O'Hare Intl to Patna that include hotel bookings?

How can I find direct flights from O'Hare Intl to Patna?

Can I find deals for business class flights from O'Hare Intl to Patna?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Direct flights to Bihar

Book a non-stop flight to one of these other cities located in Bihar.

Search flights from O'Hare Intl to Patna by cabin class

Find flights from O'Hare Intl to Patna, based on your preferred cabin class, be it economy, premium economy, business, or first class.

O'Hare Intl and Patna flights

Browse other O'Hare Intl and Patna flight options. Last updated on 28 September 2026.

Other flights from O'Hare Intl

Browse through other flights departing from O'Hare Intl. Flights are based on user searches made on Cheapflights and were last updated on 28 September 2026.

Other flights to Patna

Explore flights to Patna departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 28 September 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Fly with Cheapflights

How does Cheapflights help users find flights from O'Hare Intl to Patna?

Why should you use Cheapflights to find cheap flight tickets from O'Hare Intl to Patna?

Can Cheapflights find flights from O'Hare Intl to Patna with no change fees?

Can Cheapflights notify me if prices for flights from O'Hare Intl to Patna become cheaper?

100% Free

Book With Flexibility

Travel Smart

Cheapest flights from O'Hare Intl to Patna
Explore the most affordable flight options available from O'Hare Intl to Patna. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 September 2026.

Best flights from O'Hare Intl to Patna
Discover carefully curated flight deals from O'Hare Intl to Patna that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 28 September 2026.

Last-minute flights from O'Hare Intl to Patna
Discover last-minute flight deals from O'Hare Intl to Patna. Data last updated 28 September 2026 and is based on user searches.

One-way flights from O'Hare Intl to Patna
Search for one-way flight options from O'Hare Intl to Patna. Find affordable one-way fares based on user searches. Data last updated 28 September 2026.