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Kolkata

$748+ 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 6/4. Fares are subject to change and may not be available on all flights or dates of travel.
STL — CCU
Jun 6 — Jun 131
Sat 6/6
Sat 6/13
1 adult, Economy
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Find cheap flights from St. Louis to Kolkata with Cheapflights

1. Tell us where you want to go

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2. Select your favorite providers

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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 May 7, 2026.

This Indian Eagle deal was found by Cheapflights users on 5/5. 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.
Wed 12/309:08 am
STL
-
CCU
2 stops29h 17m
Qatar Airways
Wed 1/273:25 am
CCU
-
STL
2 stops26h 19m
Qatar Airways
Deal found 5/5$1,083
This Etihad Airways deal was found by Cheapflights users on 5/6. 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 7/89:08 am
STL
-
CCU
2 stops31h 22m
Multiple Airlines
Wed 7/159:30 pm
CCU
-
STL
2 stops37h 16m
Multiple Airlines
Deal found 5/6$1,091
This Qatar Airways deal was found by Cheapflights users on 5/5. 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.
Sun 9/1310:14 am
STL
-
CCU
2 stops29h 46m
Qatar Airways
Thu 9/174:00 am
CCU
-
STL
2 stops30h 11m
Qatar Airways
Deal found 5/5$1,101
This Qatar Airways deal was found by Cheapflights users on 5/3. 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 9/102:12 pm
STL
-
CCU
2 stops25h 48m
Qatar Airways
Mon 9/144:00 am
CCU
-
STL
2 stops26h 16m
Qatar Airways
Deal found 5/3$1,137
This Etihad Airways deal was found by Cheapflights users on 5/5. 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.
Tue 5/196:00 am
STL
-
CCU
2 stops28h 00m
Multiple Airlines
Sun 6/79:30 pm
CCU
-
STL
2 stops34h 29m
Multiple Airlines
Deal found 5/5$1,550
This Indian Eagle deal was found by Cheapflights users on 5/6. 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.
Wed 7/81:13 pm
STL
-
CCU
3 stops33h 07m
Lufthansa
Wed 7/1510:00 pm
CCU
-
STL
2 stops49h 55m
Lufthansa
Deal found 5/6$1,635
This FlightHub deal was found by Cheapflights users on 5/5. 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.
Wed 12/97:00 am
STL
-
CCU
2 stops31h 25m
Qatar Airways
Sat 1/93:25 am
CCU
-
STL
2 stops32h 04m
Qatar Airways
Deal found 5/5$1,861
This Indian Eagle deal was found by Cheapflights users on 5/5. 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.
Wed 12/3011:45 am
STL
-
CCU
3 stops33h 25m
Lufthansa
Thu 1/289:00 pm
CCU
-
STL
2 stops28h 25m
Lufthansa
Deal found 5/5$1,914
This Indian Eagle deal was found by Cheapflights users on 5/5. 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.
Tue 5/1911:45 am
STL
-
CCU
3 stops30h 45m
British Airways
Sun 6/77:15 pm
CCU
-
STL
3 stops31h 48m
British Airways
Deal found 5/5$1,956
This KAYAK deal was found by Cheapflights users on 5/5. 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 12/94:49 pm
STL
-
CCU
3 stops30h 51m
British Airways
Sun 1/1010:30 pm
CCU
-
STL
3 stops47h 22m
British Airways
Deal found 5/5$2,480

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 May 7, 2026.

Most accurate provider

Ovago
3 stars

Most trusted provider

Ovago
3 stars

Round-trip from

$1,048
(Indian Eagle)

One-way from

$748
(Etihad Airways)

Popular in

December

Cheapest in

May

Average price

$1,106
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
One-way flight from Lambert-St Louis to Kolkata Netaji S. Chandra
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($40 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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 May 7, 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

St. LouisKolkata

STL - CCU

STLCCU

Lambert-St Louis

Sun 9/13

10:14 am-2:30 am

2 stops29h 46m

Kolkata Netaji S. Chandra

Thu 9/17

4:00 am-11:41 pm

2 stops30h 11m

$1,101
Quickest round-trip

St. LouisKolkata

STL - CCU

STLCCU

Lambert-St Louis

Thu 9/10

9:46 am-2:30 am

2 stops30h 14m

Kolkata Netaji S. Chandra

Mon 9/14

4:00 am-10:00 pm

2 stops28h 30m

$1,137

St. LouisKolkata

STL - CCU

STLCCU

Lambert-St Louis

Tue 5/19

6:00 am-8:30 pm

2 stops28h 00m

Kolkata Netaji S. Chandra

Sun 6/7

9:30 pm-9:29 pm

2 stops34h 29m

$1,550

St. LouisKolkata

STL - CCU

STLCCU

Lambert-St Louis

Tue 5/19

11:45 am-5:00 am

3 stops30h 45m

Kolkata Netaji S. Chandra

Sun 6/7

7:15 pm-4:33 pm

3 stops31h 48m

$1,956

St. LouisKolkata

STL - CCU

STLCCU

Lambert-St Louis

Wed 7/8

7:05 pm-8:50 am

3 stops51h 15m

Kolkata Netaji S. Chandra

Wed 7/15

10:00 pm-3:46 pm

3 stops28h 16m

$2,165
Cheapest one-way
Quickest one-way

St. LouisKolkata

STL - CCU

STLCCU

Lambert-St Louis

Thu 6/4

6:00 am-8:30 pm

2 stops28h 00m

$748

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/4

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 May.
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.

Cheapflights Insights

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

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 May 7, 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
3,727 reviews

Crew

7.9

Food

7.3

Overall

7.4

Entertainment

7.3

Comfort

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
3,727 reviews
Qatar Airways
7.4
Good
3,727 reviews

Crew

7.9

Food

7.3

Overall

7.4

Entertainment

7.3

Comfort

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
7.1
Good
11,669 reviews
Qatar Airways
7.4
Good
3,727 reviews

Crew

7.9

Food

7.3

Overall

7.4

Entertainment

7.3

Comfort

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 29h 46m. 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 $1,075. Another option worth looking into is American Airlines, starting at $1,327 round trip. These flights 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 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 May 7, 2026.
AirlineCheapestAverageFlexibilityOn-time
Qatar AirwaysCheapest$1,075Average$1,258FlexibilityNo cancel feeOn-time68%
American AirlinesCheapest$1,327Average$1,377FlexibilityNo cancel feeOn-time71%

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