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$1,030+ 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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
STL — CCU
Aug 22 — Aug 291
Sat 8/22
Sat 8/29
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 July 23, 2026.

This Etihad Airways deal was found by Cheapflights users on 7/20. 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/17:27 am
STL
-
CCU
2 stops26h 33m
Multiple Airlines
Mon 10/59:30 pm
CCU
-
STL
2 stops25h 35m
Multiple Airlines
Deal found 7/20$1,030
This BusinessClass deal was found by Cheapflights users on 7/21. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/48:07 pm
STL
-
CCU
2 stops37h 53m
Etihad Airways
Thu 9/103:50 am
CCU
-
STL
2 stops27h 24m
Etihad Airways
Deal found 7/21$1,048
This Etihad Airways deal was found by Cheapflights users on 7/22. 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/145:00 am
STL
-
CCU
2 stops35h 25m
Multiple Airlines
Sat 10/243:20 am
CCU
-
STL
2 stops31h 08m
Multiple Airlines
Deal found 7/22$1,163
This Etihad Airways deal was found by Cheapflights users on 7/20. 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/146:00 am
STL
-
CCU
2 stops34h 25m
Multiple Airlines
Fri 8/213:50 am
CCU
-
STL
2 stops30h 38m
Multiple Airlines
Deal found 7/20$1,270
This American Airlines deal was found by Cheapflights users on 7/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/287:07 am
STL
-
CCU
2 stops32h 53m
Multiple Airlines
Wed 8/54:00 am
CCU
-
STL
2 stops30h 12m
Multiple Airlines
Deal found 7/21$1,457
This Etihad Airways deal was found by Cheapflights users on 7/21. 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2510:01 am
STL
-
CCU
2 stops22h 24m
Multiple Airlines
Sun 1/179:00 pm
CCU
-
STL
2 stops36h 10m
Multiple Airlines
Deal found 7/21$1,462
This Indian Eagle deal was found by Cheapflights users on 7/20. 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 10/11:29 pm
STL
-
CCU
3 stops32h 51m
Lufthansa
Mon 10/510:00 pm
CCU
-
STL
2 stops25h 55m
Lufthansa
Deal found 7/20$1,662
This KAYAK deal was found by Cheapflights users on 7/22. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/141:29 pm
STL
-
CCU
3 stops47h 21m
Multiple Airlines
Fri 10/238:30 am
CCU
-
STL
2 stops37h 33m
Multiple Airlines
Deal found 7/22$1,726
This CheapOair deal was found by Cheapflights users on 7/21. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/41:00 pm
STL
-
CCU
3 stops29h 20m
Multiple Airlines
Fri 9/119:55 am
CCU
-
STL
2 stops38h 35m
Multiple Airlines
Deal found 7/21$1,734
This KAYAK deal was found by Cheapflights users on 7/22. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/141:09 pm
STL
-
CCU
3 stops48h 41m
Multiple Airlines
Sat 10/249:00 pm
CCU
-
STL
2 stops28h 15m
Multiple Airlines
Deal found 7/22$1,768

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 July 23, 2026.

Most accurate provider

Ovago
3 stars

Most trusted provider

Ovago
3 stars

Round-trip from

$1,030
(Etihad Airways)

Popular in

December

Cheapest in

May

Average price

$1,122
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. 3% potential increase in price ($49 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 July 23, 2026.
Use the filters below to find and compare flights from St. Louis to Kolkata that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

St. LouisKolkata

STL - CCU

STLCCU

Lambert-St Louis

Thu 10/1

7:27 am-8:30 pm

2 stops26h 33m

Kolkata Netaji S. Chandra

Mon 10/5

9:30 pm-12:35 pm

2 stops25h 35m

$1,030

St. LouisKolkata

STL - CCU

STLCCU

Lambert-St Louis

Thu 10/15

7:29 am-8:30 pm

2 stops26h 31m

Kolkata Netaji S. Chandra

Sun 10/25

9:00 pm-9:08 pm

2 stops34h 38m

$1,163

St. LouisKolkata

STL - CCU

STLCCU

Lambert-St Louis

Thu 10/15

7:29 am-2:55 am

2 stops32h 56m

Kolkata Netaji S. Chandra

Fri 10/23

3:50 am-11:58 pm

2 stops30h 38m

$1,163

St. LouisKolkata

STL - CCU

STLCCU

Lambert-St Louis

Wed 10/14

5:00 am-2:55 am

2 stops35h 25m

Kolkata Netaji S. Chandra

Sat 10/24

3:20 am-11:58 pm

2 stops31h 08m

$1,163

St. LouisKolkata

STL - CCU

STLCCU

Lambert-St Louis

Wed 10/14

7:29 am-2:55 am

2 stops32h 56m

Kolkata Netaji S. Chandra

Fri 10/23

9:30 pm-12:35 pm

2 stops25h 35m

$1,163

St. LouisKolkata

STL - CCU

STLCCU

Lambert-St Louis

Fri 8/14

6:00 am-2:55 am

2 stops34h 25m

Kolkata Netaji S. Chandra

Fri 8/21

3:50 am-11:58 pm

2 stops30h 38m

$1,270

St. LouisKolkata

STL - CCU

STLCCU

Lambert-St Louis

Tue 7/28

7:07 am-2:30 am

2 stops32h 53m

Kolkata Netaji S. Chandra

Wed 8/5

4:00 am-11:42 pm

2 stops30h 12m

$1,457

St. LouisKolkata

STL - CCU

STLCCU

Lambert-St Louis

Fri 9/4

1:00 pm-4:50 am

3 stops29h 20m

Kolkata Netaji S. Chandra

Fri 9/11

9:55 am-2:00 pm

2 stops38h 35m

$1,734

St. LouisKolkata

STL - CCU

STLCCU

Lambert-St Louis

Thu 10/15

1:06 pm-5:00 am

3 stops29h 24m

Kolkata Netaji S. Chandra

Sun 10/25

10:30 pm-9:08 pm

3 stops33h 08m

$2,047

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/20

Sorted by cheapest first

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 July.
ProviderPrice AccuracyTrust Score*
OvagoPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 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 Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on St. Louis-Kolkata flight deals on Cheapflights vs. Ovago >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 July 23, 2026.
See what other customers who have flown with Qatar Airways 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
7.3
Good
3,747 reviews

Crew

7.9

Boarding

7.5

Overall

7.3

Food

7.3

Comfort

7.3

Entertainment

7.3

Reviews

1 / 20
4.0
Okay

Janak,Oct 2023

DOH - AMD

Disaster boarding process. No gates. No annoncement for boarding process. Waiting area seats were full no seats available. 787 dream liner step up to entrance door. Not acceptable for physically poor but normal people.
Qatar Airways
7.3
Good
3,747 reviews
Qatar Airways
7.3
Good
3,747 reviews

Crew

7.9

Boarding

7.5

Overall

7.3

Food

7.3

Comfort

7.3

Entertainment

7.3

Reviews

1 / 20
4.0
Okay

Janak,Oct 2023

DOH - AMD

Disaster boarding process. No gates. No annoncement for boarding process. Waiting area seats were full no seats available. 787 dream liner step up to entrance door. Not acceptable for physically poor but normal people.

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.

  • What is the cheapest airline to fly from St. Louis to Kolkata round-trip?

    Flying on Qatar Airways is currently your cheapest option to Kolkata, with prices starting at $1,071. This flight start at 14% 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

Browse thousands of different options on Cheapflights for your next trip

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Complete your trip

Complete your trip to Kolkata by adding a car rental and/or hotel reservation to your travel itinerary.
Kolkata car rentals
Kolkata Netaji S. Chandra Airport car rentals

Top airline flying from St. Louis to Kolkata

Discover the top airline 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 July 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
Qatar AirwaysCheapest$1,071Average$1,240FlexibilityNo cancel feeOn-time68%

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