Which airports can I use when flying from Chicago O'Hare Intl Airport to Patna?

Flights from Chicago O'Hare Intl Airport to Patna usually depart from Chicago O'Hare Intl (ORD) and arrive at Patna (PAT).

What cabin classes can I book on flights from Chicago O'Hare Intl Airport to Patna?

Only Economy Class is available on flights from Chicago O'Hare Intl Airport to Patna.

Which airports do connecting flights from Chicago O'Hare Intl Airport to Patna pass through?

Most connecting flights from Chicago O'Hare Intl Airport to Patna pass through New Delhi Indira Gandhi Intl (DEL), which handles 100% of one-stop traffic on this route.

Can I save money by using flexible dates for flights from Chicago O'Hare Intl Airport to Patna?

Yes. Flexible dates can save you up to 48% on flights from Chicago O'Hare Intl Airport to Patna. Friday is the cheapest departure day at $1,126 round-trip on average, while Tuesday is the most expensive at $2,145, a difference of $1,019. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

Do I need a passport to fly from Chicago O'Hare Intl Airport to Patna?

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

Have flight prices from Chicago O'Hare Intl Airport to Patna changed much recently?

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $1,464 to $7,926. That means the highest observed fare was about 5x higher than the lowest one.

How are flight prices from Chicago O'Hare Intl Airport to Patna looking right now?

One-way fares from Chicago O'Hare Intl Airport to Patna are currently higher than usual. Average one-way flight prices are about $1,246, which is 121% above the typical average for this route.

What is the time difference between Chicago O'Hare Intl Airport and Patna?

Patna is 11 hours ahead of Chicago O'Hare Intl Airport (India Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

How much should I expect to pay for a Chicago O'Hare Intl Airport to Patna flight?

Round-trip flights from Chicago O'Hare Intl Airport to Patna range from $1,004 to $1,811, with an average of $1,282 over the past 12 months. Anything below $1,004 counts as a good deal.

What's the cheapest day of the week to fly from Chicago O'Hare Intl Airport to Patna?

Based on deals KAYAK users found in the last 12 months, Friday is the cheapest day of the week to fly from Chicago O'Hare Intl Airport to Patna. It’s 13% cheaper than the average day, while Tuesday is the most expensive, with prices 67% higher.

Which airline is the cheapest to fly from Chicago O'Hare Intl Airport to Patna?

British Airways ($2,334) offered the cheapest round-trip ticket from Chicago O'Hare Intl Airport to Patna in the last 5 days.

What is the cheapest layover airport when flying from Chicago O'Hare Intl Airport to Patna?

Flights via New Delhi Indira Gandhi Intl (DEL) offer the most affordable fares, with an average round-trip price of $975. Based on KAYAK data over the past 3 months.

When flying from Chicago O'Hare Intl Airport to Patna which airport offers the shortest layover?

New Delhi Indira Gandhi Intl (DEL) had the shortest average connection time for Chicago O'Hare Intl Airport to Patna layovers at 21h 02m over the past 3 months.

Cheap Flights from Chicago to Patna | KAYAK

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Filter searches by price, airline and more to find your best flights.

Cheapest round-trip

$1,464

Typical prices: $1,004-$1,811

Multiple Airlines

Thu 11/29Wed 12/5

ORD - PAT • 2 stops

Cheapest one-way

$822

Typical prices: $500-$883

Multiple Airlines

Fri 11/30

ORD - PAT • 2 stops

When to travel

January

Cheapest • 42% price drop

November

Most popular

Good to know

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We hope you love your trip to Patna!

Flight Deals

Cheap Flights from Chicago to Patna (ORD-PAT)

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from Chicago to Patna

Sun, Nov 29 - Sat, Dec 5

6:50 pm - 8:05 pmORD Chicago O'Hare Intl-PAT Patna

37h 45m2 stops Doha Hamad Intl Bengaluru Intl

12:50 pm - 2:30 pmPAT Patna-ORD Chicago O'Hare Intl

37h 10m3 stops Hyderabad Rajiv Gandhi Intl Bengaluru Intl Doha Hamad Intl

$1,464Multiple Airlines

Sun, Nov 29 - Sat, Dec 5

6:50 pm - 8:05 pmORD Chicago O'Hare Intl-PAT Patna

37h 45m2 stops Doha Hamad Intl Bengaluru Intl

8:40 pm - 2:30 pmPAT Patna-ORD Chicago O'Hare Intl

29h 20m2 stops Bengaluru Intl Doha Hamad Intl

$1,476Multiple Airlines

Sun, Nov 29 - Sat, Dec 5

8:10 pm - 3:10 pmORD Chicago O'Hare Intl-PAT Patna

31h 30m3 stops Lisbon Humberto Delgado Rome Fiumicino New Delhi Indira Gandhi Intl

2:35 pm - 2:30 pmPAT Patna-ORD Chicago O'Hare Intl

35h 25m3 stops Chennai Bengaluru Intl Doha Hamad Intl

$1,481Multiple Airlines

Tue, Dec 15 - Tue, Dec 22

6:50 pm - 11:40 amORD Chicago O'Hare Intl-PAT Patna

29h 20m3 stops Zurich Dubai Intl New Delhi Indira Gandhi Intl

8:40 pm - 2:30 pmPAT Patna-ORD Chicago O'Hare Intl

29h 20m2 stops Bengaluru Intl Doha Hamad Intl

$2,295Multiple Airlines

Tue, Dec 15 - Tue, Dec 22

9:50 pm - 4:10 pmORD Chicago O'Hare Intl-PAT Patna

30h 50m2 stops London Heathrow New Delhi Indira Gandhi Intl

3:40 pm - 6:45 pmPAT Patna-ORD Chicago O'Hare Intl

38h 35m2 stops New Delhi Indira Gandhi Intl London Heathrow

$2,334British Airways

Sat, Nov 14 - Wed, Nov 25

9:50 pm - 12:40 pmORD Chicago O'Hare Intl-PAT Patna

51h 20m2 stops London Heathrow New Delhi Indira Gandhi Intl

8:25 pm - 6:45 pmPAT Patna-ORD Chicago O'Hare Intl

33h 50m2 stops New Delhi Indira Gandhi Intl London Heathrow

$2,339British Airways

Tue, Dec 15 - Tue, Dec 22

6:50 pm - 11:40 amORD Chicago O'Hare Intl-PAT Patna

29h 20m3 stops Zurich Dubai Intl New Delhi Indira Gandhi Intl

2:35 pm - 7:35 amPAT Patna-ORD Chicago O'Hare Intl

28h 30m3 stops Chennai Bengaluru Intl Abu Dhabi Zayed Intl

$2,375Multiple Airlines

Thu, Dec 24 - Tue, Jan 5

6:50 pm - 8:05 pmORD Chicago O'Hare Intl-PAT Patna

37h 45m2 stops Doha Hamad Intl Bengaluru Intl

6:10 pm - 2:30 pmPAT Patna-ORD Chicago O'Hare Intl

31h 50m3 stops Hyderabad Rajiv Gandhi Intl Bengaluru Intl Doha Hamad Intl

$2,472Multiple Airlines

Thu, Dec 24 - Tue, Jan 5

6:50 pm - 8:05 pmORD Chicago O'Hare Intl-PAT Patna

37h 45m2 stops Doha Hamad Intl Bengaluru Intl

8:40 pm - 2:30 pmPAT Patna-ORD Chicago O'Hare Intl

29h 20m2 stops Bengaluru Intl Doha Hamad Intl

$2,497Multiple Airlines

Sat, Nov 14 - Tue, Nov 24

9:50 pm - 12:40 pmORD Chicago O'Hare Intl-PAT Patna

51h 20m2 stops London Heathrow New Delhi Indira Gandhi Intl

8:25 pm - 3:30 pmPAT Patna-ORD Chicago O'Hare Intl

30h 35m2 stops New Delhi Indira Gandhi Intl London Heathrow

$2,564British Airways

Recent last minute flight deals from Chicago to Patna

Mon, Nov 9 - Tue, Nov 24

6:00 pm - 6:20 pmORD Chicago O'Hare Intl-PAT Patna

36h 50m2 stops Munich Franz Josef Strauss Bengaluru Intl

12:50 pm - 2:10 pmPAT Patna-ORD Chicago O'Hare Intl

36h 50m3 stops Hyderabad Rajiv Gandhi Intl Bengaluru Intl Munich Franz Josef Strauss

$1,447Multiple Airlines

Mon, Nov 9 - Tue, Nov 24

6:00 pm - 6:20 pmORD Chicago O'Hare Intl-PAT Patna

36h 50m2 stops Munich Franz Josef Strauss Bengaluru Intl

5:50 pm - 2:10 pmPAT Patna-ORD Chicago O'Hare Intl

31h 50m2 stops Bengaluru Intl Munich Franz Josef Strauss

$1,453Multiple Airlines

Mon, Nov 9 - Tue, Nov 24

6:00 pm - 5:35 pmORD Chicago O'Hare Intl-PAT Patna

36h 05m3 stops Munich Franz Josef Strauss Bengaluru Intl Hyderabad Rajiv Gandhi Intl

12:50 pm - 2:10 pmPAT Patna-ORD Chicago O'Hare Intl

36h 50m3 stops Hyderabad Rajiv Gandhi Intl Bengaluru Intl Munich Franz Josef Strauss

$1,454Multiple Airlines

Mon, Nov 9 - Wed, Nov 25

6:35 pm - 4:10 pmORD Chicago O'Hare Intl-PAT Patna

34h 05m2 stops London Heathrow New Delhi Indira Gandhi Intl

8:25 pm - 6:45 pmPAT Patna-ORD Chicago O'Hare Intl

33h 50m2 stops New Delhi Indira Gandhi Intl London Heathrow

$2,304British Airways

Sun, Nov 8 - Wed, Nov 25

9:50 pm - 4:10 pmORD Chicago O'Hare Intl-PAT Patna

54h 50m2 stops London Heathrow New Delhi Indira Gandhi Intl

10:05 pm - 6:45 pmPAT Patna-ORD Chicago O'Hare Intl

32h 10m2 stops New Delhi Indira Gandhi Intl London Heathrow

$2,416British Airways

Mon, Nov 9 - Mon, Nov 23

5:10 pm - 4:10 pmORD Chicago O'Hare Intl-PAT Patna

35h 30m2 stops London Heathrow New Delhi Indira Gandhi Intl

5:40 pm - 6:45 pmPAT Patna-ORD Chicago O'Hare Intl

36h 35m2 stops New Delhi Indira Gandhi Intl London Heathrow

$2,529British Airways

Mon, Nov 9 - Tue, Nov 24

6:35 pm - 4:10 pmORD Chicago O'Hare Intl-PAT Patna

34h 05m2 stops London Heathrow New Delhi Indira Gandhi Intl

8:25 pm - 6:45 pmPAT Patna-ORD Chicago O'Hare Intl

33h 50m2 stops New Delhi Indira Gandhi Intl London Heathrow

$2,529British Airways

Mon, Nov 9 - Sun, Nov 22

6:35 pm - 9:25 amORD Chicago O'Hare Intl-PAT Patna

27h 20m2 stops London Heathrow New Delhi Indira Gandhi Intl

8:25 pm - 6:45 pmPAT Patna-ORD Chicago O'Hare Intl

33h 50m2 stops New Delhi Indira Gandhi Intl London Heathrow

$2,529British Airways

Mon, Nov 9 - Thu, Nov 26

6:35 pm - 9:25 amORD Chicago O'Hare Intl-PAT Patna

27h 20m2 stops London Heathrow New Delhi Indira Gandhi Intl

10:05 pm - 6:45 pmPAT Patna-ORD Chicago O'Hare Intl

32h 10m2 stops New Delhi Indira Gandhi Intl London Heathrow

$2,594British Airways

Sun, Nov 8 - Mon, Nov 23

9:50 pm - 9:25 amORD Chicago O'Hare Intl-PAT Patna

48h 05m2 stops London Heathrow New Delhi Indira Gandhi Intl

5:40 pm - 6:45 pmPAT Patna-ORD Chicago O'Hare Intl

36h 35m2 stops New Delhi Indira Gandhi Intl London Heathrow

$2,641British Airways

Booking Insights

Price, demand and travel trends for Chicago O'Hare Intl Airport to Patna flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

Prices

Airlines

Layovers

What's the cheapest day of the week to fly from Chicago O'Hare Intl Airport to Patna?: Based on deals KAYAK users found in the last 12 months, Friday is the cheapest day of the week to fly from Chicago O'Hare Intl Airport to Patna. It’s 13% cheaper than the average day, while Tuesday is the most expensive, with prices 67% higher.

Find deals

Low season	August
High season	November
Cheapest flight	$822

Beat the crowds with an average 73% drop in travelers.

The most popular month to fly with an average 39% increase in travelers.

One-way flight from Chicago O'Hare Intl Airport to Patna

When to book flights from Chicago to Patna

Are your dates flexible? Find out the best times to travel from Chicago to Patna based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated round-trip price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

What cabin classes can I book on flights from Chicago O'Hare Intl Airport to Patna?
Only Economy Class is available on flights from Chicago O'Hare Intl Airport to Patna.
Do I need a passport to fly from Chicago O'Hare Intl Airport to Patna?
Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.
How much should I expect to pay for a Chicago O'Hare Intl Airport to Patna flight?
Round-trip flights from Chicago O'Hare Intl Airport to Patna range from $1,004 to $1,811, with an average of $1,282 over the past 12 months. Anything below $1,004 counts as a good deal.
Have flight prices from Chicago O'Hare Intl Airport to Patna changed much recently?
Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $1,464 to $7,926. That means the highest observed fare was about 5x higher than the lowest one.
How are flight prices from Chicago O'Hare Intl Airport to Patna looking right now?
One-way fares from Chicago O'Hare Intl Airport to Patna are currently higher than usual. Average one-way flight prices are about $1,246, which is 121% above the typical average for this route.
Which airports can I use when flying from Chicago O'Hare Intl Airport to Patna?
Flights from Chicago O'Hare Intl Airport to Patna usually depart from Chicago O'Hare Intl (ORD) and arrive at Patna (PAT).
Which airports do connecting flights from Chicago O'Hare Intl Airport to Patna pass through?
Most connecting flights from Chicago O'Hare Intl Airport to Patna pass through New Delhi Indira Gandhi Intl (DEL), which handles 100% of one-stop traffic on this route.
Can I save money by using flexible dates for flights from Chicago O'Hare Intl Airport to Patna?
Yes. Flexible dates can save you up to 48% on flights from Chicago O'Hare Intl Airport to Patna. Friday is the cheapest departure day at $1,126 round-trip on average, while Tuesday is the most expensive at $2,145, a difference of $1,019.

KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.
What is the time difference between Chicago O'Hare Intl Airport and Patna?
Patna is 11 hours ahead of Chicago O'Hare Intl Airport (India Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

If your dates are flexible, aim for a Friday departure and avoid flying on Tuesday. On this route, Friday flights average $1,126, about $1,019 less than Tuesday fares (48% savings) based on the last 12 months.
If you can choose when to travel, plan your Chicago O'Hare Intl Airport to Patna trip for January. Fares historically average $738 round-trip in that month - typically $1,358 less than the most expensive month, which is March (based on the last 12 months).
If you're arriving late at night and need somewhere to stay, check out these hotels close to Patna Airport.

• Hotel Grand Empire

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ORD - PAT

$822 Find Cheap Flights from Chicago to Patna - Compare and Save

Everything you should know

Cheap Flights from Chicago to Patna (ORD-PAT)

Recent round-trip flight deals from Chicago to Patna

Recent one-way flight deals from Chicago to Patna

Recent last minute flight deals from Chicago to Patna

Price, demand and travel trends for Chicago O'Hare Intl Airport to Patna flights

What's the cheapest day of the week to fly from Chicago O'Hare Intl Airport to Patna?

Which airline is the cheapest to fly from Chicago O'Hare Intl Airport to Patna?

What is the cheapest layover airport when flying from Chicago O'Hare Intl Airport to Patna?

When flying from Chicago O'Hare Intl Airport to Patna which airport offers the shortest layover?

Key details for Chicago O'Hare Intl Airport to Patna flights

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When to book flights from Chicago to Patna

Your Chicago O'Hare Intl Airport to Patna flight questions, answered

Your guide to booking Chicago O'Hare Intl Airport to Patna flights

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