Find flights
When to book
FAQs

Cheap flights from Illinois to Kolkata from ₹ 51,557

ORD — CCU
24 Nov — 1 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Illinois to Kolkata

Enter your travel dates to find the best prices.

Cheapest flights from Illinois to Kolkata

Sat 5/1211:45 -
2 stops40h 25m
Sun 27/1220:15 -
2 stops33h 35m
Deal found 24/10₹ 101,119
Thu 31/1213:15 -
1 stop19h 10m
Wed 3/221:00 -
1 stop22h 05m
Deal found 22/10₹ 105,867
Tue 3/1112:45 -
2 stops36h 35m
Mon 30/1120:15 -
2 stops49h 15m
Deal found 24/10₹ 107,765
Tue 3/1118:25 -
2 stops30h 55m
Fri 20/1118:55 -
2 stops31h 00m
Deal found 23/10₹ 108,050
Fri 23/1013:20 -
1 stop27h 05m
Fri 13/1121:00 -
1 stop22h 05m
Deal found 20/10₹ 109,475
Fri 23/1012:56 -
2 stops26h 44m
Thu 12/1103:25 -
1 stop22h 35m
Deal found 20/10₹ 113,462
Wed 28/1013:50 -
2 stops25h 35m
Wed 4/1103:25 -
1 stop22h 35m
Deal found 20/10₹ 114,222
Wed 28/1019:50 -
3 stops31h 55m
Wed 4/1103:25 -
1 stop22h 35m
Deal found 20/10₹ 114,887
Wed 4/1119:45 -
2 stops58h 35m
Tue 1/1209:20 -
1 stop41h 20m
Deal found 20/10₹ 116,311
Wed 4/1118:50 -
3 stops30h 15m
Sun 15/1103:25 -
1 stop22h 35m
Deal found 24/10₹ 116,406

Find flight deals from Illinois to Kolkata

Round-trip from

₹ 91,340

One-way from

₹ 51,557

Popular in

May

Cheapest in

February

Average price

₹ 104,632
Qatar Airways
  • Qatar Airways
  • 25/1-28/2
  • 2 total stops
  • 42h 10m total
  • Illinois to Kolkata
Search Deals
8/2-31/12
  • 8/2-31/12
  • 3 total stops
  • 44h 42m total
  • Illinois to Kolkata
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (₹ 3,102,596 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (₹ 697,584 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2026
Search Deals

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Illinois to Kolkata that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

ChicagoKolkata

ORD Chicago O'Hare Intl - CCU Kolkata Netaji S. Chandra

ORDCCU

Chicago O'Hare Intl

Wed 30/12

18:50-01:55

1 stop19h 35m

Kolkata Netaji S. Chandra

Wed 31/12

00:00-12:30

Nonstop0h 00m

₹ 78,427

ChicagoKolkata

ORD Chicago O'Hare Intl - CCU Kolkata Netaji S. Chandra

ORDCCU

Chicago O'Hare Intl

Sat 5/12

18:30-20:15

3 stops38h 15m

Kolkata Netaji S. Chandra

Wed 31/12

00:00-12:30

Nonstop0h 00m

₹ 79,661

ChicagoKolkata

ORD Chicago O'Hare Intl - CCU Kolkata Netaji S. Chandra

ORDCCU

Chicago O'Hare Intl

Sun 6/12

16:25-07:35

2 stops27h 40m

Kolkata Netaji S. Chandra

Wed 31/12

00:00-12:30

Nonstop0h 00m

₹ 80,610

ChicagoKolkata

ORD Chicago O'Hare Intl - CCU Kolkata Netaji S. Chandra

ORDCCU

Chicago O'Hare Intl

Thu 3/12

10:38-11:10

3 stops37h 02m

Kolkata Netaji S. Chandra

Wed 31/12

00:00-12:30

Nonstop0h 00m

₹ 81,370

ChicagoKolkata

ORD Chicago O'Hare Intl - CCU Kolkata Netaji S. Chandra

ORDCCU

Chicago O'Hare Intl

Wed 30/12

20:15-10:40

2 stops26h 55m

Kolkata Netaji S. Chandra

Wed 31/12

00:00-12:30

Nonstop0h 00m

₹ 82,509

ChicagoKolkata

ORD Chicago O'Hare Intl - CCU Kolkata Netaji S. Chandra

ORDCCU

Chicago O'Hare Intl

Wed 30/12

20:15-16:50

2 stops33h 05m

Kolkata Netaji S. Chandra

Wed 31/12

00:00-12:30

Nonstop0h 00m

₹ 82,509

ChicagoKolkata

ORD Chicago O'Hare Intl - CCU Kolkata Netaji S. Chandra

ORDCCU

Chicago O'Hare Intl

Mon 7/12

11:45-15:40

2 stops40h 25m

Kolkata Netaji S. Chandra

Wed 31/12

00:00-12:30

Nonstop0h 00m

₹ 82,699

ChicagoKolkata

ORD Chicago O'Hare Intl - CCU Kolkata Netaji S. Chandra

ORDCCU

Chicago O'Hare Intl

Fri 30/10

22:50-08:50

2 stops47h 30m

Kolkata Netaji S. Chandra

Wed 31/12

00:00-12:30

Nonstop0h 00m

₹ 83,934

ChicagoKolkata

ORD Chicago O'Hare Intl - CCU Kolkata Netaji S. Chandra

ORDCCU

Chicago O'Hare Intl

Sun 6/12

13:15-02:25

1 stop25h 40m

Kolkata Netaji S. Chandra

Wed 31/12

00:00-12:30

Nonstop0h 00m

₹ 90,200
Fastest return journey

ChicagoKolkata

ORD Chicago O'Hare Intl - CCU Kolkata Netaji S. Chandra

ORDCCU

Chicago O'Hare Intl

Thu 3/12

13:15-19:55

1 stop19h 10m

Kolkata Netaji S. Chandra

Wed 31/12

00:00-12:30

Nonstop0h 00m

₹ 90,200

Flights are sorted by cheapest return flights first.

Deals found on 22/10

Showing 1-10 of 22 resultsSorted by cheapest first
1
2
3

Best time to book a flight from Illinois to Kolkata

Have a flexible travel schedule? Discover the best time to fly to Kolkata from Illinois with our price prediction graph.
Estimated return price

Cheapflights Insights

Everything you need to know about your flight from Illinois to Kolkata

What is the cheapest month to book a flight from Illinois to Kolkata?

Currently, February is the cheapest month in which you can book a flight from Illinois to Kolkata (average of ₹ 90,200). Flying from Illinois to Kolkata in December is currently the most expensive (average of ₹ 193,028). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost for a return flight from Illinois to Kolkata?

Airfare is below average for this route at the moment.
Illinois to Kolkata flights typically cost between ₹ 96,324 and ₹ 132,357 in January.
The cheapest return price found within the last 5 days was ₹ 91,340 on Qatar Airways (28 Jan–28 Feb).

How far ahead should I book a flight from Illinois to Kolkata?

The best time to book flights from Illinois to Kolkata is 53 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Related info for your journey

  • What airport do you fly into for flights to Kolkata from Illinois?

    For a flight from Illinois to Kolkata, you will be flying into Netaji S. Chandra. Kolkata Netaji S. Chandra (CCU) is just 13.4 km from the centre of the city.

  • How long is the flight from Illinois to Kolkata?

    For as low as ₹ 122,103, Turkish Airlines can have you in Kolkata from Illinois in 30h 25m. The distance from Illinois to Kolkata is about 12809 km. This flight may include one or multiple stops.

  • Can I find deals for flights from Illinois to Kolkata that include hotel bookings?

    Yes. In addition to deals on Illinois to Kolkata flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Illinois to Kolkata?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Kolkata.

  • Can I find deals for business class flights from Illinois to Kolkata?

    Yes. Cheapflights offers flight deals from Illinois to Kolkata by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Illinois to Kolkata?

    Currently, February is the cheapest month in which you can book a flight from Illinois to Kolkata (average of ₹ 90,200). Flying from Illinois to Kolkata in December is currently the most expensive (average of ₹ 193,028). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Illinois to Kolkata

John F Kennedy Intl to Kolkata flights
Newark to Kolkata flights
San Francisco to Kolkata flights
Dulles Intl to Kolkata flights
O'Hare Intl to Kolkata flights
Dallas/Fort Worth to Kolkata flights
LaGuardia to Kolkata flights
Los Angeles to Kolkata flights
Reagan-National to Kolkata flights
Baltimore to Kolkata flights
Detroit to Kolkata flights
Seattle to Kolkata flights
Boston to Kolkata flights
Atlanta to Kolkata flights
Raleigh to Kolkata flights
Hobby to Kolkata flights
George Bush Intcntl to Kolkata flights
Philadelphia to Kolkata flights
Charlotte to Kolkata flights
Austin to Kolkata flights
Minneapolis to Kolkata flights
Miami to Kolkata flights
Sky Harbor Intl to Kolkata flights
Portland to Kolkata flights
Pittsburgh to Kolkata flights
Orlando to Kolkata flights
Fort Lauderdale to Kolkata flights
Buffalo to Kolkata flights
St. Louis to Kolkata flights
San Diego to Kolkata flights
Burbank to Kolkata flights
John F Kennedy Intl to Bagdogra flights
Newark to Bagdogra flights
Tampa to Kolkata flights
San Jose to Kolkata flights
Cleveland to Kolkata flights
Syracuse to Kolkata flights
San Francisco to Bagdogra flights
Ontario to Kolkata flights
Denver to Kolkata flights
Kansas City to Kolkata flights
Allentown to Kolkata flights
Columbus to Kolkata flights
Salt Lake City to Kolkata flights
San Antonio to Kolkata flights
O'Hare Intl to Bagdogra flights
Oakland to Kolkata flights
Boston to Bagdogra flights
Atlanta to Bagdogra flights

Fly with Cheapflights

How does Cheapflights help users find flights from Illinois to Kolkata?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Illinois to Kolkata. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Illinois to Kolkata?

Millions of users choose and trust Cheapflights to book the best flight deals from Illinois to Kolkata for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Illinois to Kolkata with no change fees?

Yes! Cheapflights helps users easily find flights from Illinois to Kolkata with no change fees.

Can Cheapflights notify me if prices for flights from Illinois to Kolkata become cheaper?

Yes, Cheapflights offers price alerts on Illinois to Kolkata flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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.