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.

₹ 77,085+ Cheap Flights from Chicago O'Hare Intl Airport to Patna

Cheap flight deals from O'Hare Intl to Patna

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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 10 November 2026.

Sun 29/1113:30 -

3 stops60h 20m

Sat 5/1215:45 -

2 stops51h 20m

Deal found 6/11₹ 154,358

Find flight deals from O'Hare Intl to Patna

Round-trip from	₹ 120,129
One-way from	₹ 77,085

5/2-14/2
4 total stops
61h 40m total
Chicago to Patna

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30/11-31/12
2 total stops
52h 00m 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.

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Route

Depart

Return

Price

Cheapest return flight

ChicagoPatna

ORD Chicago O'Hare Intl - PAT Patna

ORDPAT

Chicago O'Hare Intl

Mon 30/11

21:50-13:20

2 stops52h 00m

Patna

Wed 31/12

00:00-12:30

Nonstop0h 00m

₹ 77,085

ChicagoPatna

ORD Chicago O'Hare Intl - PAT Patna

ORDPAT

Chicago O'Hare Intl

Thu 3/12

18:50-14:00

3 stops55h 40m

Patna

Wed 31/12

00:00-12:30

Nonstop0h 00m

₹ 82,900

Fastest return journey

ChicagoPatna

ORD Chicago O'Hare Intl - PAT Patna

ORDPAT

Chicago O'Hare Intl

Wed 25/11

18:50-11:40

2 stops29h 20m

Patna

Wed 31/12

00:00-12:30

Nonstop0h 00m

₹ 87,120

ChicagoPatna

ORD Chicago O'Hare Intl - PAT Patna

ORDPAT

Chicago O'Hare Intl

Mon 30/11

22:40-12:40

3 stops50h 30m

Patna

Wed 31/12

00:00-12:30

Nonstop0h 00m

₹ 117,316

ChicagoPatna

ORD Chicago O'Hare Intl - PAT Patna

ORDPAT

Chicago O'Hare Intl

Fri 5/2

18:50-12:10

2 stops29h 50m

Patna

Sun 14/2

18:10-14:30

2 stops31h 50m

₹ 120,129

ChicagoPatna

ORD Chicago O'Hare Intl - PAT Patna

ORDPAT

Chicago O'Hare Intl

Sun 29/11

18:50-10:55

2 stops28h 35m

Patna

Sat 5/12

21:00-14:30

2 stops29h 00m

₹ 154,733

Flights are sorted by cheapest return flights first.

Deals found on 8/11

Sorted 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.

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

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Cheap flights from Chicago O'Hare Intl Airport to Patna from ₹ 77,085

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 30/11. 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 10 November 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 10 November 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 10 November 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 10 November 2026.

Last-minute flights from O'Hare Intl to PatnaDiscover last-minute flight deals from O'Hare Intl to Patna. Data last updated 10 November 2026 and is based on user searches.

Discover last-minute flight deals from O'Hare Intl to Patna. Data last updated 10 November 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 10 November 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 10 November 2026.

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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

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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

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O'Hare Intl and Patna flights

Browse other O'Hare Intl and Patna flight options. Last updated on 10 November 2026.

Other flights from O'Hare Intl

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

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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 10 November 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 10 November 2026.

Last-minute flights from O'Hare Intl to Patna
Discover last-minute flight deals from O'Hare Intl to Patna. Data last updated 10 November 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 10 November 2026.