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Kolkata

$990+ Cheap flights from St. Louis (STL) to Kolkata (CCU)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/20. Fares are subject to change and may not be available on all flights or dates of travel.
STL — CCU
Feb 25 — Mar 41
Wed 2/25
Wed 3/4
1 adult, Economy
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Cheap 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 January 26, 2026.

This Ovago deal was found by Cheapflights users on 1/25. 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.
Fri 2/205:50 pm
STL
-
CCU
2 stops38h 40m
Etihad Airways
Mon 2/233:35 am
CCU
-
STL
2 stops47h 30m
Etihad Airways
Deal found 1/25$990
This oojo deal was found by Cheapflights users on 1/26. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/98:31 am
STL
-
CCU
2 stops29h 54m
Qatar Airways
Wed 2/113:25 am
CCU
-
STL
2 stops29h 17m
Qatar Airways
Deal found 1/26$1,020
This Indian Eagle deal was found by Cheapflights users on 1/24. 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.
Thu 9/179:46 am
STL
-
CCU
2 stops30h 14m
Qatar Airways
Thu 10/154:00 am
CCU
-
STL
2 stops42h 54m
Qatar Airways
Deal found 1/24$1,027
This oojo deal was found by Cheapflights users on 1/26. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/126:00 am
STL
-
CCU
2 stops33h 25m
Qatar Airways
Wed 3/183:25 am
CCU
-
STL
2 stops43h 49m
Qatar Airways
Deal found 1/26$1,042
This Qatar Airways deal was found by Cheapflights users on 1/25. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/199:37 am
STL
-
CCU
2 stops28h 48m
Qatar Airways
Sun 2/223:25 am
CCU
-
STL
2 stops49h 45m
Qatar Airways
Deal found 1/25$1,080
This FlightHub deal was found by Cheapflights users on 1/25. 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.
Sat 3/146:14 am
STL
-
CCU
2 stops33h 11m
Qatar Airways
Fri 4/34:00 am
CCU
-
STL
2 stops47h 43m
Qatar Airways
Deal found 1/25$1,091
This oojo deal was found by Cheapflights users on 1/26. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/202:00 pm
STL
-
CCU
2 stops25h 25m
Qatar Airways
Tue 4/144:00 am
CCU
-
STL
2 stops49h 57m
Qatar Airways
Deal found 1/26$1,092
This Ovago deal was found by Cheapflights users on 1/26. 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.
Mon 2/91:15 pm
STL
-
CCU
3 stops31h 55m
Lufthansa
Thu 2/129:00 pm
CCU
-
STL
3 stops36h 10m
Lufthansa
Deal found 1/26$1,318
This Ovago deal was found by Cheapflights users on 1/26. 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.
Fri 3/201:14 pm
STL
-
CCU
3 stops32h 56m
Lufthansa
Tue 4/1410:00 pm
CCU
-
STL
2 stops25h 55m
Lufthansa
Deal found 1/26$1,380
This Ovago deal was found by Cheapflights users on 1/25. 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.
Fri 2/207:00 am
STL
-
CCU
2 stops53h 55m
Multiple Airlines
Tue 2/249:00 pm
CCU
-
STL
3 stops32h 14m
Multiple Airlines
Deal found 1/25$1,545
This Jetabroad deal was found by Cheapflights users on 1/24. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/171:27 pm
STL
-
CCU
3 stops32h 43m
Multiple Airlines
Thu 10/157:05 pm
CCU
-
STL
3 stops30h 46m
Multiple Airlines
Deal found 1/24$1,660

Find 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 January 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Ovago
2 stars

Round-trip from

$990
(Ovago)

Popular in

December

Cheapest in

February

Average price

$1,181
Provider with most accurate pricing for Lambert-St Louis-Kolkata Netaji S. Chandra flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-Kolkata Netaji S. Chandra flights.
Search Deals
From Lambert-St Louis to Kolkata Netaji S. Chandra
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($29 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 January 26, 2026.
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

Mon 2/9

8:31 am-1:55 am

2 stops29h 54m

Kolkata Netaji S. Chandra

Wed 2/11

3:25 am-9:12 pm

2 stops29h 17m

$1,020

St. LouisKolkata

STL - CCU

STLCCU

Lambert-St Louis

Thu 3/12

6:00 am-1:55 am

2 stops33h 25m

Kolkata Netaji S. Chandra

Wed 3/18

3:25 am-12:44 pm

2 stops43h 49m

$1,042

St. LouisKolkata

STL - CCU

STLCCU

Lambert-St Louis

Thu 2/19

9:37 am-1:55 am

2 stops28h 48m

Kolkata Netaji S. Chandra

Sun 2/22

3:25 am-11:56 pm

2 stops56h 01m

$1,080

St. LouisKolkata

STL - CCU

STLCCU

Lambert-St Louis

Sat 3/14

6:14 am-1:55 am

2 stops33h 11m

Kolkata Netaji S. Chandra

Fri 4/3

4:00 am-5:13 pm

2 stops47h 43m

$1,091

St. LouisKolkata

STL - CCU

STLCCU

Lambert-St Louis

Fri 3/20

2:00 pm-1:55 am

2 stops25h 25m

Kolkata Netaji S. Chandra

Tue 4/14

4:00 am-7:27 pm

2 stops49h 57m

$1,092

St. LouisKolkata

STL - CCU

STLCCU

Lambert-St Louis

Mon 2/9

1:15 pm-8:40 am

3 stops31h 55m

Kolkata Netaji S. Chandra

Thu 2/12

9:00 pm-9:40 pm

3 stops36h 10m

$1,318

St. LouisKolkata

STL - CCU

STLCCU

Lambert-St Louis

Fri 3/20

1:14 pm-8:40 am

3 stops32h 56m

Kolkata Netaji S. Chandra

Tue 4/14

10:00 pm-1:25 pm

2 stops25h 55m

$1,380

St. LouisKolkata

STL - CCU

STLCCU

Lambert-St Louis

Fri 2/20

7:00 am-12:25 am

2 stops53h 55m

Kolkata Netaji S. Chandra

Tue 2/24

9:00 pm-5:44 pm

3 stops32h 14m

$1,545

St. LouisKolkata

STL - CCU

STLCCU

Lambert-St Louis

Fri 2/20

1:11 pm-8:40 am

3 stops31h 59m

Kolkata Netaji S. Chandra

Tue 2/24

9:00 pm-9:40 pm

3 stops36h 10m

$1,713

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

Compare providers for flights from St. Louis to Kolkata

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Kolkata in January.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
OvagoPrice Accuracy2 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on St. Louis-Kolkata flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Kolkata flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-Kolkata flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on St. Louis-Kolkata flights, Cheapflights users trust Ovago the most. Ovago has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Kolkata flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

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 January 26, 2026.
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
3,733 reviews

Boarding

7.5

Food

7.3

Entertainment

7.4

Comfort

7.4

Overall

7.4

Crew

7.9

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
3,733 reviews
Qatar Airways
7.4
Good
3,733 reviews

Boarding

7.5

Food

7.3

Entertainment

7.4

Comfort

7.4

Overall

7.4

Crew

7.9

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
11,189 reviews
Qatar Airways
7.4
Good
3,733 reviews

Boarding

7.5

Food

7.3

Entertainment

7.4

Comfort

7.4

Overall

7.4

Crew

7.9

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 29h 54m. 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 12% 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.

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 January 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
Qatar AirwaysCheapest$1,116Average$1,259FlexibilityNo cancel feeOn-time68%
American AirlinesCheapest$1,327Average$1,377FlexibilityNo cancel feeOn-time71%

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