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Cheap flights from Chicago O'Hare Intl Airport to Kolkata from $428

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago O'Hare Intl Airport to Kolkata departing on 10/31. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Chicago O'Hare Intl Airport to Kolkata

Cheap round-trip flights

IndiGo Logo
9:20 pm - 3:50 pmORD-CCU
32h 00m2 stops
IndiGo Logo
10:30 pm - 6:25 pmCCU-ORD
31h 25m2 stops
$904IndiGo
Find Deal
Fri, Oct 31 - Mon, Dec 15
Air India Logo
8:34 am - 7:15 pmORD-CCU
48h 11m2 stops
Air India Logo
9:20 pm - 12:30 pmCCU-ORD
25h 40m2 stops
$912Air India
Find Deal
Sat, Sep 27 - Tue, Oct 28
Air India Logo
8:34 am - 7:15 pmORD-CCU
48h 11m2 stops
Air India Logo
8:30 pm - 12:30 pmCCU-ORD
26h 30m2 stops
$916Air India
Find Deal
Sat, Sep 27 - Sat, Nov 1
Etihad Airways Logo
1:10 pm - 8:00 pmORD-CCU
19h 20m1 stop
Etihad Airways Logo
3:35 am - 7:55 amCCU-ORD
39h 50m1 stop
$917Etihad Airways
Find Deal
Sun, Jan 18 - Thu, Feb 12
Etihad Airways Logo
1:55 pm - 8:35 pmORD-CCU
20h 10m1 stop
Etihad Airways Logo
3:35 am - 7:55 amCCU-ORD
39h 50m1 stop
$922Etihad Airways
Find Deal
Tue, Oct 14 - Thu, Nov 6
Emirates Logo
8:35 pm - 8:10 amORD-CCU
25h 05m1 stop
Emirates Logo
9:15 am - 2:55 pmCCU-ORD
41h 10m1 stop
$963Emirates
Find Deal
Mon, Oct 13 - Thu, Nov 6
Emirates Logo
7:45 pm - 6:50 pmORD-CCU
35h 35m1 stop
Emirates Logo
9:15 am - 3:45 pmCCU-ORD
41h 00m1 stop
$976Emirates
Find Deal
Mon, Mar 2 - Wed, Mar 18
Qatar Airways Logo
6:50 pm - 1:55 amORD-CCU
19h 35m1 stop
Qatar Airways Logo
3:25 am - 3:45 pmCCU-ORD
22h 50m1 stop
$987Qatar Airways
Find Deal
Mon, Mar 2 - Sat, Mar 21
Qatar Airways Logo
6:50 pm - 1:55 amORD-CCU
19h 35m1 stop
Qatar Airways Logo
3:25 am - 2:30 pmCCU-ORD
22h 35m1 stop
$993Qatar Airways
Find Deal
Tue, Nov 4 - Sun, Nov 23
SWISS Logo
6:35 pm - 9:00 amORD-CCU
50h 55m3 stops
SWISS Logo
5:30 pm - 1:45 pmCCU-ORD
30h 45m2 stops
$995SWISS
Find Deal
Tue, Mar 3 - Sun, Mar 22

Air India flights from Chicago O'Hare Intl Airport to Kolkata

Our best Air India deals on Chicago O'Hare Intl Airport to Kolkata flight tickets
Air India
Sep 27
ORD8:34 amChicago O'Hare Intl
48h 11m
2 stops
CCU7:15 pmKolkata Netaji S. Chandra
Oct 28
CCU9:20 pmKolkata Netaji S. Chandra
25h 40m
2 stops
ORD12:30 pmChicago O'Hare Intl
$912
Find similar
Air India
Sep 27
ORD8:34 amChicago O'Hare Intl
48h 11m
2 stops
CCU7:15 pmKolkata Netaji S. Chandra
Nov 1
CCU8:30 pmKolkata Netaji S. Chandra
26h 30m
2 stops
ORD12:30 pmChicago O'Hare Intl
$916
Find similar
Air India
Sep 27
ORD8:34 amChicago O'Hare Intl
50h 31m
2 stops
CCU9:35 pmKolkata Netaji S. Chandra
Oct 5
CCU8:30 pmKolkata Netaji S. Chandra
23h 20m
1 stop
ORD9:20 amChicago O'Hare Intl
$919
Find similar

Etihad Airways flights from Chicago O'Hare Intl Airport to Kolkata

Our best Etihad Airways deals on Chicago O'Hare Intl Airport to Kolkata flight tickets
Etihad Airways
Jan 18
ORD1:10 pmChicago O'Hare Intl
19h 20m
1 stop
CCU8:00 pmKolkata Netaji S. Chandra
Feb 12
CCU3:35 amKolkata Netaji S. Chandra
39h 50m
1 stop
ORD7:55 amChicago O'Hare Intl
$917
Find similar
Etihad Airways
Oct 14
ORD1:55 pmChicago O'Hare Intl
20h 10m
1 stop
CCU8:35 pmKolkata Netaji S. Chandra
Nov 6
CCU3:35 amKolkata Netaji S. Chandra
39h 50m
1 stop
ORD7:55 amChicago O'Hare Intl
$922
Find similar
Etihad Airways
Oct 30
ORD2:10 pmChicago O'Hare Intl
26h 00m
1 stop
CCU2:40 amKolkata Netaji S. Chandra
Dec 13
CCU3:35 amKolkata Netaji S. Chandra
39h 50m
1 stop
ORD7:55 amChicago O'Hare Intl
$926
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Chicago O'Hare Intl Airport to Kolkata that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated September 17, 2025.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Kolkata that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoKolkata

ORD - CCU

ORDCCU

Chicago O'Hare Intl

Fri 10/31

9:20 pm-3:50 pm

2 stops32h 00m

Kolkata Netaji S. Chandra

Mon 12/15

10:30 pm-6:25 pm

2 stops31h 25m

$904

ChicagoKolkata

ORD - CCU

ORDCCU

Chicago O'Hare Intl

Sat 9/27

8:34 am-7:15 pm

2 stops48h 11m

Kolkata Netaji S. Chandra

Tue 10/28

9:20 pm-12:30 pm

2 stops25h 40m

$912

ChicagoKolkata

ORD - CCU

ORDCCU

Chicago O'Hare Intl

Sat 9/27

8:34 am-7:15 pm

2 stops48h 11m

Kolkata Netaji S. Chandra

Sat 11/1

8:30 pm-12:30 pm

2 stops26h 30m

$916

ChicagoKolkata

ORD - CCU

ORDCCU

Chicago O'Hare Intl

Sun 1/18

1:10 pm-8:00 pm

1 stop19h 20m

Kolkata Netaji S. Chandra

Thu 2/12

3:35 am-7:55 am

1 stop39h 50m

$917

ChicagoKolkata

ORD - CCU

ORDCCU

Chicago O'Hare Intl

Tue 10/14

1:55 pm-8:35 pm

1 stop20h 10m

Kolkata Netaji S. Chandra

Thu 11/6

3:35 am-7:55 am

1 stop39h 50m

$922

ChicagoKolkata

ORD - CCU

ORDCCU

Chicago O'Hare Intl

Mon 10/13

8:35 pm-8:10 am

1 stop25h 05m

Kolkata Netaji S. Chandra

Thu 11/6

9:15 am-2:55 pm

1 stop41h 10m

$963

ChicagoKolkata

ORD - CCU

ORDCCU

Chicago O'Hare Intl

Mon 3/2

7:45 pm-6:50 pm

1 stop35h 35m

Kolkata Netaji S. Chandra

Wed 3/18

9:15 am-3:45 pm

1 stop41h 00m

$976

ChicagoKolkata

ORD - CCU

ORDCCU

Chicago O'Hare Intl

Mon 3/2

6:50 pm-1:55 am

1 stop19h 35m

Kolkata Netaji S. Chandra

Sat 3/21

3:25 am-3:45 pm

1 stop22h 50m

$987

ChicagoKolkata

ORD - CCU

ORDCCU

Chicago O'Hare Intl

Tue 11/4

6:50 pm-1:55 am

1 stop19h 35m

Kolkata Netaji S. Chandra

Sun 11/23

3:25 am-2:30 pm

1 stop22h 35m

$993

ChicagoKolkata

ORD - CCU

ORDCCU

Chicago O'Hare Intl

Tue 3/3

6:35 pm-9:00 am

3 stops50h 55m

Kolkata Netaji S. Chandra

Sun 3/22

5:30 pm-1:45 pm

2 stops30h 45m

$995

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Kolkata from

How to get the cheapest flight ticket from Chicago O'Hare Intl Airport to Kolkata

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Chicago O'Hare Intl Airport and Kolkata?

What is the cheapest month to fly to Kolkata?

The month of April is, on average, the cheapest month to fly to Kolkata from Chicago O'Hare Intl Airport, with most prices found around $884. If you aren’t able to travel during the month of April, then book flights to Kolkata from Chicago O'Hare Intl Airport during September instead. Flights to Kolkata in September, while not as cheap as those in April, still average around $904.

What is the cheapest day to depart on your flight to Kolkata?

On average, the least expensive day to fly to Kolkata from Chicago O'Hare Intl Airport is on a Sunday. momondo users have found tickets for Sunday departures for as low as $976. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Tuesday as prices are generally higher than usual. According to our data, the average ticket price to Kolkata on Tuesday is $1,134.

What is the cheapest time of day to depart on your flight to Kolkata?

In the morning is the cheapest time of day to fly from Chicago O'Hare Intl Airport to Kolkata when you can find flight prices for as low as $976. Flying to Kolkata in the morning is an ideal time because this is during off-peak travel hours. Flights to Kolkata are more costly in the evening, with an average ticket price of $1,134. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Chicago O'Hare Intl to Kolkata Netaji S. Chandra flight route?

Fly from Chicago O'Hare Intl to Kolkata Netaji S. Chandra for the best Chicago O'Hare Intl - Kolkata Netaji S. Chandra flight prices

How far in advance should I book a flight to Kolkata?

You are more likely to see cheaper flights to Kolkata from Chicago O'Hare Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Kolkata for around $1,112 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Kolkata from Chicago O'Hare Intl Airport for as low as $942 on momondo.

What cabin class options are available on Chicago O'Hare Intl to Kolkata Netaji S. Chandra flights?

There are 2 cabin classes available to choose from on Chicago O'Hare Intl to Kolkata Netaji S. Chandra flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Chicago O'Hare Intl Airport to Kolkata flight prices changed over time?

As of September 2025, prices for Chicago O'Hare Intl Airport to Kolkata flights are approximately 13% cheaper when compared to flights at the same time last year.

When to book flights from Chicago O'Hare Intl Airport to Kolkata

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago O'Hare Intl Airport to Kolkata according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Chicago O'Hare Intl Airport to Kolkata (ORD to CCU) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Kolkata

Direct flights

None
There are no direct flights from Chicago O'Hare Intl Airport to Kolkata. There are no popular flight routes from Chicago O'Hare Intl Airport to Kolkata.
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  • How far is Chicago O'Hare Intl to Kolkata Netaji S. Chandra by plane?

    There are 7965.4 mi between Chicago O'Hare Intl and Kolkata Netaji S. Chandra. A reasonable flight in good conditions will take 19h 20m.

  • When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Kolkata Netaji S. Chandra Airport?

    Prices for flights from Chicago O'Hare Intl Airport to Kolkata Netaji S. Chandra Airport are updated daily.

  • How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Kolkata Netaji S. Chandra Airport?

  • How old do you have to be to fly from Chicago O'Hare Intl Airport to Kolkata Netaji S. Chandra Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Chicago O'Hare Intl Airport to Kolkata Netaji S. Chandra Airport.

  • What documentation or ID do you need to fly to Kolkata Netaji S. Chandra Airport?

    The required travel and health documents for your Kolkata Netaji S. Chandra Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Kolkata Netaji S. Chandra Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Chicago O'Hare Intl Airport to Kolkata?

Best airlines flying from Chicago O'Hare Intl Airport to Kolkata

Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Kolkata with momondo
Airline
Rating
Free Cancellation
Price
Air IndiaPriceFrom $735Free CancellationRating
5.5
2,932 reviews
Search Air India flights
Etihad AirwaysPriceFrom $798Free CancellationRating
7.4
1,251 reviews
Search Etihad Airways flights
SWISSPriceFrom $814Free CancellationRating
7.6
1,737 reviews
Search SWISS flights
LufthansaPriceFrom $817Free CancellationRating
6.8
7,409 reviews
Search Lufthansa flights
EmiratesPriceFrom $823Free CancellationRating
8.1
3,339 reviews
Search Emirates flights
Qatar AirwaysPriceFrom $886Free CancellationRating
7.4
3,622 reviews
Search Qatar Airways flights
IndiGoPriceFrom $1,015Free CancellationRating
6.9
484 reviews
Search IndiGo flights

Why use momondo?

Why should I use momondo to find a flight deal from Chicago to Kolkata?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Kolkata from Chicago.

Can I find flights from Chicago to Kolkata with flexible booking policies on momondo?

All flight searches from Chicago to Kolkata on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Chicago to Kolkata?

momondo helps you find the best flight between Chicago and Kolkata by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Chicago to Kolkata right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Kolkata from Chicago. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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