How does KAYAK find such low prices on flights from Illinois to Patna?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Patna. Visit our flight page for the latest deals!>/a>

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Patna?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Patna from Illinois is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from Illinois to Patna?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Patna with an airline and back to Illinois with another airline. Visit our flight page for the latest deals!>/a>

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Patna?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Patna from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

$685 CHEAP FLIGHTS from Illinois to Patna

PAT

KAYAK searches hundreds of travel sites at once for deals on flights to Patna

...and more

Travelers love KAYAK

41,299,237 searches in the past 7 days on KAYAK

Save 22% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Flights Deals

Cheap Flights from Illinois to Patna

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Illinois to Patna that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Round-trip

One-way

Recent round-trip flight deals from Illinois to Patna

KAYAK's recommended round-trip deals from the most popular airlines that fly from Illinois to Patna.

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

12:00 pm - 10:00 pmORD-PAT

23h 30m1 stop

7:10 pm - 7:25 amPAT-ORD

22h 45m1 stop

$1,270Air India

Find Deal

Mon, May 26 - Mon, Jul 7

12:00 pm - 6:25 pmORD-PAT

19h 55m1 stop

4:05 pm - 7:25 amPAT-ORD

25h 50m1 stop

$1,277Air India

Find Deal

Mon, May 26 - Mon, Jul 7

12:00 pm - 1:20 pmORD-PAT

38h 50m2 stops

7:10 pm - 7:25 amPAT-ORD

22h 45m1 stop

$1,303Air India

Find Deal

Mon, May 26 - Mon, Jul 7

12:00 pm - 1:20 pmORD-PAT

38h 50m2 stops

10:40 am - 7:25 amPAT-ORD

31h 15m1 stop

$1,310Air India

Find Deal

Mon, May 26 - Mon, Jul 7

12:00 pm - 1:20 pmORD-PAT

38h 50m2 stops

1:55 pm - 7:25 amPAT-ORD

28h 00m2 stops

$1,363Air India

Find Deal

Mon, May 26 - Mon, Jul 7

12:00 pm - 1:20 pmORD-PAT

38h 50m2 stops

1:55 pm - 7:25 amPAT-ORD

28h 00m2 stops

$1,370Air India

Find Deal

Mon, May 26 - Mon, Jul 7

12:00 pm - 10:00 amORD-PAT

35h 30m1 stop

4:05 pm - 7:25 amPAT-ORD

25h 50m1 stop

$1,435Air India

Find Deal

Sat, Jun 14 - Sat, Jun 21

12:00 pm - 7:45 pmORD-PAT

21h 15m1 stop

10:40 pm - 9:40 amPAT-ORD

45h 30m2 stops

$1,529

Find Deal

Sat, Jun 14 - Sat, Jun 21

7:05 pm - 10:00 amORD-PAT

28h 25m2 stops

12:30 pm - 3:55 pmPAT-ORD

37h 55m2 stops

$2,093

Find Deal

Sat, Jun 14 - Sat, Jun 21

3:50 pm - 1:20 pmORD-PAT

35h 00m3 stops

7:10 pm - 12:01 pmPAT-ORD

27h 21m2 stops

$8,644

Find Deal

Sat, Jun 14 - Sat, Jun 21

Useful Info

Cheapest flight	$685

Flight from Chicago to Patna

How does KAYAK find such low prices on flights from Illinois to Patna?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Patna.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Patna?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Patna from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Illinois to Patna?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Patna with an airline and back to Illinois with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Patna?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Patna from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight to Patna

Airports

Cabin class

Complete your trip

Flights to other cities

Origins

Other airports

Return flight deals

Information on the airport you'll fly into in Patna

Patna (PAT)

PAT

$685 Find Cheap Flights from Illinois to Patna

KAYAK searches hundreds of travel sites at once for deals on flights to Patna

Cheap Flights from Illinois to Patna

Recent round-trip flight deals from Illinois to Patna

Recent one-way flight deals from Illinois to Patna

Good to know

FAQs for booking flights from Illinois to Patna

How does KAYAK find such low prices on flights from Illinois to Patna?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Patna.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Patna?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Patna from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Illinois to Patna?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Patna with an airline and back to Illinois with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Patna?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Patna from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight to Patna

Information on the airport you'll fly into in Patna

Cabin class types available on flights to Illinois

Complete your trip to Patna with a hotel stay or car rental

Flights to other popular destinations

Flights from domestic origins to Patna

Choose which airport to fly into in Patna

Find deals for your return flight