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$764+ Cheap flights from St. Louis (STL) to Kolkata (CCU)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/19. Fares are subject to change and may not be available on all flights or dates of travel.
STL — CCU
oct. 11 — oct. 181
sáb. 10/11
sáb. 10/18
1 adult, Economy
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Cheap flight deals from St. Louis to Kolkata

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Kolkata (CCU). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated septiembre 11, 2025.

Round-trip from

$1,042
(FlightHub)

One-way from

$764
(Kiwi.com)

Popular in

December

Cheapest in

October

Average price

$1,195
From Lambert-St Louis to Kolkata Netaji S. Chandra
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One-way flight from Lambert-St Louis to Kolkata Netaji S. Chandra
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Highest demand for flights based on searches. 7% potential increase in price ($111 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($28 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from St. Louis to Kolkata

Cheapest flights from St. Louis to Kolkata
Explore the most affordable flight options available from St. Louis to Kolkata. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septiembre 11, 2025.

This FlightHub deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/235:28 amSTL - CCU
2 stops34h 22mQatar Airways
lun. 12/13:25 amCCU - STL
2 stops32h 01mQatar Airways
Deal found 9/9$1,042
This FlightHub deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/52:50 pmSTL - CCU
2 stops23h 35mQatar Airways
mar. 12/233:25 amCCU - STL
2 stops44h 37mQatar Airways
Deal found 9/10$1,045
This FlightHub deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/88:49 amSTL - CCU
2 stops55h 01mQatar Airways
mar. 10/143:50 amCCU - STL
2 stops30h 34mQatar Airways
Deal found 9/8$1,051
This FlightHub deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/289:53 amSTL - CCU
2 stops28h 32mQatar Airways
dom. 12/73:25 amCCU - STL
2 stops32h 04mQatar Airways
Deal found 9/8$1,125
This FlightHub deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 10/188:49 amSTL - CCU
2 stops31h 01mQatar Airways
vie. 10/313:25 amCCU - STL
2 stops29h 13mQatar Airways
Deal found 9/10$1,139
This Mytrip deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/81:30 pmSTL - CCU
3 stops33h 00mMultiple Airlines
mié. 10/159:30 pmCCU - STL
3 stops29h 35mMultiple Airlines
Deal found 9/8$1,448
This Ovago deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/83:30 pmSTL - CCU
2 stops55h 00mLufthansa
mié. 10/159:20 pmCCU - STL
3 stops28h 54mLufthansa
Deal found 9/8$1,480
This Indian Eagle deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Indian Eagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/512:31 pmSTL - CCU
3 stops32h 59mLufthansa
mié. 12/249:20 pmCCU - STL
3 stops35h 53mLufthansa
Deal found 9/10$1,544
This Gurufare deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/83:23 pmSTL - CCU
2 stops30h 17mEmirates
mié. 10/158:45 pmCCU - STL
2 stops35h 45mEmirates
Deal found 9/8$1,583
This Orbitz deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/144:05 pmSTL - CCU
2 stops43h 55mMultiple Airlines
sáb. 1/174:15 pmCCU - STL
2 stops34h 44mMultiple Airlines
Deal found 9/11$1,660
This Ovago deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/141:00 pmSTL - CCU
3 stops32h 30mLufthansa
sáb. 1/179:20 pmCCU - STL
3 stops37h 08mLufthansa
Deal found 9/8$1,662

Cheapflights Fare Finder

 
Customize your flight search to find flights from St. Louis 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, Cheapflights users made 2,558,603 searches. Data last updated septiembre 11, 2025.
Use the filters below to find and compare flights from St. Louis to Kolkata that are best for you.

Fly from

St. Louis

Fly to

Kolkata

Route

Depart

Return

Price

St. LouisKolkata

STL - CCU

STLCCU

Lambert-St Louis

mar. 9/23

5:28 am-2:20 am

2 stops34h 22m

Kolkata Netaji S. Chandra

lun. 12/1

3:25 am-11:56 pm

2 stops32h 01m

$1,042

St. LouisKolkata

STL - CCU

STLCCU

Lambert-St Louis

mié. 11/5

2:50 pm-1:55 am

2 stops23h 35m

Kolkata Netaji S. Chandra

mar. 12/23

3:25 am-12:32 pm

2 stops44h 37m

$1,045

St. LouisKolkata

STL - CCU

STLCCU

Lambert-St Louis

vie. 11/28

9:53 am-1:55 am

2 stops28h 32m

Kolkata Netaji S. Chandra

dom. 12/7

3:25 am-11:59 pm

2 stops32h 04m

$1,125

St. LouisKolkata

STL - CCU

STLCCU

Lambert-St Louis

sáb. 10/18

8:49 am-2:20 am

2 stops31h 01m

Kolkata Netaji S. Chandra

vie. 10/31

3:25 am-10:08 pm

2 stops29h 13m

$1,139

St. LouisKolkata

STL - CCU

STLCCU

Lambert-St Louis

mié. 10/8

1:30 pm-9:00 am

3 stops33h 00m

Kolkata Netaji S. Chandra

mié. 10/15

9:30 pm-4:35 pm

3 stops29h 35m

$1,448

St. LouisKolkata

STL - CCU

STLCCU

Lambert-St Louis

mié. 10/8

3:30 pm-9:00 am

2 stops55h 00m

Kolkata Netaji S. Chandra

mié. 10/15

9:20 pm-3:44 pm

3 stops28h 54m

$1,480

St. LouisKolkata

STL - CCU

STLCCU

Lambert-St Louis

mié. 11/5

12:31 pm-9:00 am

3 stops32h 59m

Kolkata Netaji S. Chandra

mié. 12/24

9:20 pm-9:43 pm

3 stops35h 53m

$1,544

St. LouisKolkata

STL - CCU

STLCCU

Lambert-St Louis

mié. 10/8

3:23 pm-8:10 am

2 stops30h 17m

Kolkata Netaji S. Chandra

mié. 10/15

8:45 pm-10:00 pm

2 stops35h 45m

$1,583

St. LouisKolkata

STL - CCU

STLCCU

Lambert-St Louis

mar. 9/23

1:53 pm-1:45 pm

3 stops37h 22m

Kolkata Netaji S. Chandra

mar. 12/2

6:30 pm-4:50 pm

3 stops33h 50m

$1,807

St. LouisKolkata

STL - CCU

STLCCU

Lambert-St Louis

vie. 9/19

6:00 am-6:00 am

3 stops37h 30m

$764

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Showing 1-10 of 11 results
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Best time to book a flight from St. Louis to Kolkata

Have a flexible travel schedule? Discover the best time to fly to Kolkata from St. Louis with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from St. Louis to Kolkata

What is the cheapest time of day to fly from STL to CCU?

Find hourly flight availability from St. Louis to Kolkata. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated septiembre 11, 2025.

A simple way to save on the total cost of your ticket is to fly from St. Louis to Kolkata in the morning. If you’re flexible enough to do this you can expect to save up to 20% on your trip compared to booking a flight at noon.

How much does it cost to fly round-trip from St. Louis to Kolkata?

Reviews of airlines servicing Kolkata

Get insights into the airlines that provide service to Kolkata. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Kolkata. Reviews last updated septiembre 11, 2025.
See what other customers who have flown with Qatar Airways and American Airlines from St. Louis to Kolkata have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Qatar Airways
7.4
Good
3,624 reviews

Crew

7.9

Overall

7.4

Entertainment

7.4

Comfort

7.4

Food

7.3

Boarding

7.5

Reviews

1 / 20
6.0
Good

Chris,Jul 2025

DFW - DOH

Too crammed for the amount you have to pay. That was very uncomfortable
Qatar Airways
7.4
Good
3,624 reviews
Qatar Airways
7.4
Good
3,624 reviews

Crew

7.9

Overall

7.4

Entertainment

7.4

Comfort

7.4

Food

7.3

Boarding

7.5

Reviews

1 / 20
6.0
Good

Chris,Jul 2025

DFW - DOH

Too crammed for the amount you have to pay. That was very uncomfortable
American Airlines
7.2
Good
10,000 reviews
Qatar Airways
7.4
Good
3,624 reviews

Crew

7.9

Overall

7.4

Entertainment

7.4

Comfort

7.4

Food

7.3

Boarding

7.5

Reviews

1 / 20
6.0
Good

Chris,Jul 2025

DFW - DOH

Too crammed for the amount you have to pay. That was very uncomfortable

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Kolkata. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from St. Louis to Kolkata?

    Airlines like Qatar Airways fly from St. Louis to Kolkata in about 34h 22m. The time it takes to get you to your destination can typically vary by up to . There are 8188 mi between St. Louis and Kolkata.

  • What are the cheapest airlines flying from St. Louis to Kolkata round-trip?

    Flying on Qatar Airways is currently your cheapest option to Kolkata, with prices starting at $1,116. Another option worth looking into is American Airlines, starting at $1,327 round trip. These flights start at 13% lower than the current average price 3 months from now.

  • Can I find deals for flights from St. Louis to Kolkata that include hotel bookings?

    Yes. In addition to deals on St. Louis to Kolkata flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Kolkata?

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

  • Can I find deals for business class flights from St. Louis to Kolkata?

    Yes. Cheapflights offers flight deals from St. Louis 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 St. Louis to Kolkata?

    Currently, September is the cheapest month in which you can book a flight from St. Louis to Kolkata (average of $980). Flying from St. Louis to Kolkata in December is currently the most expensive (average of $1,647). 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

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Alternative routes for St. Louis to Kolkata

See prices for flight routes from nearby airports that may be better suited for you.
Kansas City to Kolkata flights
Columbia to Kolkata flights

Top 2 airlines flying from St. Louis to Kolkata

Discover the top 2 airlines that operate flights from St. Louis to Kolkata. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated septiembre 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Qatar AirwaysCheapest$1,116Average$1,267FlexibilityNo cancel feeOn-time68%
American AirlinesCheapest$1,327Average$1,377FlexibilityNo cancel feeOn-time71%

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