$745 Cheap Flights from Kolkata (CCU) to St. Louis (STL)

View $745 flight on Thu, Sep 18, 2025Opens in a new window

Popular airlines from Netaji Subhash Chandra Bose Intl. Airport (CCU) to St. Louis Lambert Intl. Airport (STL)

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Cheap Flights from Kolkata to St. Louis (CCU-STL)

Prices were available within the past 7 days and start at $745 for one-way flights and $1,575 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Qatar Airways
Sat, Nov 1 - Sun, Apr 26
CCU
Kolkata
STL
St. Louis
$1,575 Roundtrip, found 16 hours ago
$1,575
Roundtrip
found 16 hours ago
Select Qatar Airways flight, departing Sat, Nov 1 from Kolkata to St. Louis, returning Sun, Apr 26, priced at $1,575 found 16 hours ago
Qatar Airways
Sat, Nov 1 - Sun, Apr 26
CCU
Kolkata
STL
St. Louis
$1,582 Roundtrip, found 16 hours ago
$1,582
Roundtrip
found 16 hours ago
Select Qatar Airways flight, departing Sat, Nov 1 from Kolkata to St. Louis, returning Sun, Apr 26, priced at $1,582 found 16 hours ago
Qatar Airways
Sat, Nov 1 - Sun, Apr 26
CCU
Kolkata
STL
St. Louis
$1,585 Roundtrip, found 16 hours ago
$1,585
Roundtrip
found 16 hours ago
Select Qatar Airways flight, departing Sat, Nov 1 from Kolkata to St. Louis, returning Sun, Apr 26, priced at $1,585 found 16 hours ago
Qatar Airways
Sat, Nov 1 - Sun, Apr 26
CCU
Kolkata
STL
St. Louis
$1,586 Roundtrip, found 16 hours ago
$1,586
Roundtrip
found 16 hours ago
Select Qatar Airways flight, departing Sat, Nov 1 from Kolkata to St. Louis, returning Sun, Apr 26, priced at $1,586 found 16 hours ago
Qatar Airways
Sat, Nov 1 - Sun, Apr 26
CCU
Kolkata
STL
St. Louis
$1,592 Roundtrip, found 16 hours ago
$1,592
Roundtrip
found 16 hours ago
Select Qatar Airways flight, departing Sat, Nov 1 from Kolkata to St. Louis, returning Sun, Apr 26, priced at $1,592 found 16 hours ago
Qatar Airways
Sat, Nov 1 - Sun, Apr 26
CCU
Kolkata
STL
St. Louis
$1,594 Roundtrip, found 16 hours ago
$1,594
Roundtrip
found 16 hours ago
Select Qatar Airways flight, departing Sat, Nov 1 from Kolkata to St. Louis, returning Sun, Apr 26, priced at $1,594 found 16 hours ago
Qatar Airways
Sat, Nov 1 - Sun, Apr 26
CCU
Kolkata
STL
St. Louis
$1,594 Roundtrip, found 16 hours ago
$1,594
Roundtrip
found 16 hours ago
Select Qatar Airways flight, departing Sat, Nov 1 from Kolkata to St. Louis, returning Sun, Apr 26, priced at $1,594 found 16 hours ago
Qatar Airways
Sat, Nov 1 - Sun, Apr 26
CCU
Kolkata
STL
St. Louis
$1,596 Roundtrip, found 16 hours ago
$1,596
Roundtrip
found 16 hours ago
Select Qatar Airways flight, departing Sat, Nov 1 from Kolkata to St. Louis, returning Sun, Apr 26, priced at $1,596 found 16 hours ago
Qatar Airways
Sat, Nov 1 - Sun, Apr 26
CCU
Kolkata
STL
St. Louis
$1,599 Roundtrip, found 16 hours ago
$1,599
Roundtrip
found 16 hours ago
Select Qatar Airways flight, departing Sat, Nov 1 from Kolkata to St. Louis, returning Sun, Apr 26, priced at $1,599 found 16 hours ago
Emirates
Sat, Nov 1 - Sun, Apr 26
CCU
Kolkata
STL
St. Louis
$1,769 Roundtrip, found 16 hours ago
$1,769
Roundtrip
found 16 hours ago
Select Emirates flight, departing Sat, Nov 1 from Kolkata to St. Louis, returning Sun, Apr 26, priced at $1,769 found 16 hours ago
Flights from Kolkata (CCU) to St. Louis (STL)
Origin airport
Netaji Subhash Chandra Bose Intl.
Destination airport
Lambert-St. Louis Intl.
Airlines serving
Qatar Airways
Roundtrip price
$1,574
Distance
8194 mi

Kolkata to St. Louis Flights

The cheapest times to fly from Kolkata to St. Louis

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 Kolkata to St. Louis are during the month of November. You can find some of the cheapest flights from Kolkata to St. Louis with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Kolkata to St. Louis

Sunday is one of the best days to book for cheap flights from Kolkata to St. Louis: 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 Kolkata to St. Louis

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 Kolkata to St. Louis in 2025. You can also book with separate airlines for your outbound and return journeys, from $745 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 Kolkata to St. Louis 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 Kolkata to St. Louis 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 Netaji Subhash Chandra Bose Intl. Airport (CCU) to Lambert-St. Louis Intl. Airport (STL) cost?
Discover the latest flight deals from CCU to STL 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 CCU to STL?
The cheapest flights from CCU to STL 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 CCU to STL?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from CCU to STL. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Netaji Subhash Chandra Bose Intl. Airport (CCU) to Lambert-St. Louis Intl. Airport (STL)?
There aren't any daily nonstop flights departing from Netaji Subhash Chandra Bose Intl. Airport (CCU) to Lambert-St. Louis Intl. Airport (STL). But you can opt for flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be cruising above the clouds in no time at all.
What day of the week has the most flights from CCU to STL?
Generally you'll find the widest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* But this can vary depending on the time of year, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Netaji Subhash Chandra Bose Intl. Airport (CCU) to Lambert-St. Louis Intl. Airport (STL)?
To avoid potential delays on the Netaji Subhash Chandra Bose Intl. Airport (CCU) to Lambert-St. Louis Intl. Airport (STL) route, aim to fly before 3 PM. Later departures are 22% more likely to be canceled.**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 Netaji Subhash Chandra Bose Intl. Airport (CCU) to Lambert-St. Louis Intl. Airport (STL) last-minute?
Booking your flight from CCU to STL just before your journey is usually more expensive. But if there's some wiggle room with your schedule, you could land a cheap last-minute fare.
Is it cheaper to book a CCU to STL flight and hotel package?
Compared with arranging hotels and flights separately, booking a CCU to STL flight and hotel package with Expedia could lead to significant savings. Better yet, having everything in one easy place takes the hassle out of planning your trip. Simply pick your flights and select from our extensive range of stays, then personalize your trip with extras like car rentals and activities.
Can I cancel or change the date of my flight from Netaji Subhash Chandra Bose Intl. Airport (CCU) to Lambert-St. Louis Intl. Airport (STL)?
In most instances, you're able to cancel or reschedule your CCU to STL flight. However, additional charges may apply, especially if your booking was made more than 24 hours ago. Check your itinerary for the airline's fees and policies on flight changes, or if you want more information, visit our Customer Service portal.

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*Available to One Key members.