$450 Cheap Flights from Chicago (ORD) to Kolkata (CCU)

View $450 flight on Mon, Aug 25, 2025Opens in a new window

Popular airlines from Chicago O'Hare Intl. Airport (ORD) to Netaji Subhash Chandra Bose Intl. Airport (CCU)

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Cheap Flights from Chicago to Kolkata (ORD-CCU)

Prices were available within the past 7 days and start at $450 for one-way flights and $833 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Lufthansa
Sun, Sep 7 - Mon, Sep 15
ORD
Chicago
CCU
Kolkata
$833 Roundtrip, found 4 days ago
$833
Roundtrip
found 4 days ago
Select Lufthansa flight, departing Sun, Sep 7 from Chicago to Kolkata, returning Mon, Sep 15, priced at $833 found 4 days ago
Lufthansa
Sun, Sep 7 - Mon, Sep 15
ORD
Chicago
CCU
Kolkata
$845 Roundtrip, found 4 days ago
$845
Roundtrip
found 4 days ago
Select Lufthansa flight, departing Sun, Sep 7 from Chicago to Kolkata, returning Mon, Sep 15, priced at $845 found 4 days ago
Etihad Airways
Tue, Sep 23 - Fri, Oct 3
ORD
Chicago
CCU
Kolkata
$850 Roundtrip, found 1 day ago
$850
Roundtrip
found 1 day ago
Select Etihad Airways flight, departing Tue, Sep 23 from Chicago to Kolkata, returning Fri, Oct 3, priced at $850 found 1 day ago
Air India
Mon, Sep 1 - Tue, Sep 16
ORD
Chicago
CCU
Kolkata
$853 Roundtrip, just found
$853
Roundtrip
just found
Select Air India flight, departing Mon, Sep 1 from Chicago to Kolkata, returning Tue, Sep 16, priced at $853 just found
Lufthansa
Sun, Sep 7 - Mon, Sep 15
ORD
Chicago
CCU
Kolkata
$855 Roundtrip, found 4 days ago
$855
Roundtrip
found 4 days ago
Select Lufthansa flight, departing Sun, Sep 7 from Chicago to Kolkata, returning Mon, Sep 15, priced at $855 found 4 days ago
American Airlines
Tue, Jan 20 - Wed, Jan 28
ORD
Chicago
CCU
Kolkata
$858 Roundtrip, found 3 days ago
$858
Roundtrip
found 3 days ago
Select American Airlines flight, departing Tue, Jan 20 from Chicago to Kolkata, returning Wed, Jan 28, priced at $858 found 3 days ago
American Airlines
Mon, Sep 8 - Thu, Oct 9
ORD
Chicago
CCU
Kolkata
$861 Roundtrip, found 1 day ago
$861
Roundtrip
found 1 day ago
Select American Airlines flight, departing Mon, Sep 8 from Chicago to Kolkata, returning Thu, Oct 9, priced at $861 found 1 day ago
Lufthansa
Sun, Aug 31 - Mon, Sep 15
ORD
Chicago
CCU
Kolkata
$865 Roundtrip, found 1 day ago
$865
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Sun, Aug 31 from Chicago to Kolkata, returning Mon, Sep 15, priced at $865 found 1 day ago
Lufthansa
Sun, Sep 7 - Mon, Sep 15
ORD
Chicago
CCU
Kolkata
$867 Roundtrip, found 4 days ago
$867
Roundtrip
found 4 days ago
Select Lufthansa flight, departing Sun, Sep 7 from Chicago to Kolkata, returning Mon, Sep 15, priced at $867 found 4 days ago
United
Wed, Sep 10 - Wed, Sep 24
ORD
Chicago
CCU
Kolkata
$920 Roundtrip, found 6 days ago
$920
Roundtrip
found 6 days ago
Select United flight, departing Wed, Sep 10 from Chicago to Kolkata, returning Wed, Sep 24, priced at $920 found 6 days ago

Find the cheapest month to fly from Chicago (ORD) to Kolkata (CCU)

September is typically the cheapest month to fly

From $755 - $1,115 per traveler.

Graph displaying average flight prices per month

Alternative airports near Kolkata

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Netaji Subhash Chandra Bose Intl. CCU. Cheapest and Closest option available. Average driving time to city center is 15 minutes. Flights from $1,217
CCU
Netaji Subhash Chandra Bose Intl.
CheapestClosest
Average driving time to city center15 min
Flights from $1,217
Flights from Chicago (ORD) to Kolkata (CCU)
Origin airport
O'Hare Intl.
Destination airport
Netaji Subhash Chandra Bose Intl.
Airlines serving
Air France, Air India, American Airlines, British Airways, Emirates, Etihad Airways, Japan Airlines, KLM, LOT-Polish Airlines, Lufthansa, Malaysia Airlines, Qatar Airways, Singapore Airlines, Swiss International Air Lines, Turkish Airlines
Roundtrip price
$833
Distance
7965 mi

Chicago to Kolkata Flights

The cheapest times to fly from Chicago to Kolkata

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Chicago to Kolkata are during the month of September. You can find some of the cheapest flights from Chicago to Kolkata with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Chicago to Kolkata

Sunday is one of the best days to book for cheap flights from Chicago to Kolkata: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Chicago to Kolkata

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Chicago to Kolkata in 2025. You can also book with separate airlines for your outbound and return journeys, from $450 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Chicago to Kolkata flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Chicago to Kolkata airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from O'Hare Intl. Airport (ORD) to Netaji Subhash Chandra Bose Intl. Airport (CCU) cost?
Discover the latest flight deals from ORD to CCU by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from ORD to CCU?
The cheapest flights from ORD to CCU are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from ORD to CCU?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from ORD to CCU. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from O'Hare Intl. Airport (ORD) to Netaji Subhash Chandra Bose Intl. Airport (CCU)?
There aren't any daily nonstop flights departing from O'Hare Intl. Airport (ORD) to Netaji Subhash Chandra Bose Intl. Airport (CCU). But you can choose flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be soaring above the clouds in no time at all.
What day of the week has the most flights from ORD to CCU?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can vary depending on a number of factors, such as the carrier and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from O'Hare Intl. Airport (ORD) to Netaji Subhash Chandra Bose Intl. Airport (CCU)?
To arrive at Netaji Subhash Chandra Bose Intl. Airport (CCU) on schedule, pick a flight that takes off from O'Hare Intl. Airport (ORD) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from O'Hare Intl. Airport (ORD) to Netaji Subhash Chandra Bose Intl. Airport (CCU) last-minute?
Waiting until right before your break to book your flight from ORD to CCU often results in higher prices. While you may come across some last-minute offers, they aren't always guaranteed. Keep your travel schedule open to maximize your chances of landing a bargain.
Is it cheaper to book an ORD to CCU flight and hotel package?
You'll generally save money by booking an ORD to CCU flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one place. After choosing your preferred flights and accommodations, consider adding extras such as tours, activities and car rentals.
Can I cancel or change the date of my flight from O'Hare Intl. Airport (ORD) to Netaji Subhash Chandra Bose Intl. Airport (CCU)?
Typically, you can modify or cancel your ORD to CCU flight. However, additional fees may apply, especially if your booking was made over 24 hours ago. Double-check your itinerary for the airline's policies and fees on flight changes, or if you need more information, head to our Customer Service portal.

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*Available to One Key members.