$1,021+ 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 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
STL — CCU
May 23 — May 301
Round-trip
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
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from St. Louis to Kolkata
Cheapest
Best
Last-minute
Cheapest flights from St. Louis to KolkataExplore 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 April 23, 2026.
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 April 23, 2026.
This Etihad Airways deal was found by Cheapflights users on 4/18. 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 5/68:54 am
STL
- CCU
2 stops31h 36m
Multiple Airlines
Wed 5/279:30 pm
CCU
- STL
2 stops32h 21m
Multiple Airlines
Deal found 4/18![Multiple Airlines logo]()
$1,021
This Etihad Airways deal was found by Cheapflights users on 4/20. 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.
Wed 5/611:25 am
STL
- CCU
2 stops29h 05m
Multiple Airlines
Fri 5/299:30 pm
CCU
- STL
2 stops33h 30m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$1,041
This oojo deal was found by Cheapflights users on 4/22. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/612:27 pm
STL
- CCU
2 stops27h 33m
Qatar Airways
Wed 5/274:00 am
CCU
- STL
2 stops27h 00m
Qatar Airways
Deal found 4/22![Qatar Airways logo]()
$1,134
This Qatar Airways deal was found by Cheapflights users on 4/19. 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 5/712:27 pm
STL
- CCU
2 stops27h 33m
Qatar Airways
Mon 5/114:00 am
CCU
- STL
2 stops30h 26m
Qatar Airways
Deal found 4/19![Qatar Airways logo]()
$1,217
This Etihad Airways deal was found by Cheapflights users on 4/20. 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.
Wed 7/89:39 am
STL
- CCU
2 stops30h 51m
Multiple Airlines
Sat 8/14:10 am
CCU
- STL
2 stops30h 16m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$1,221
This Qatar Airways deal was found by Cheapflights users on 4/18. 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 4/3012:27 pm
STL
- CCU
2 stops27h 33m
Qatar Airways
Mon 5/44:00 am
CCU
- STL
2 stops28h 47m
Qatar Airways
Deal found 4/18![Qatar Airways logo]()
$1,237
This Etihad Airways deal was found by Cheapflights users on 4/22. 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.
Fri 5/295:08 am
STL
- CCU
2 stops35h 22m
Multiple Airlines
Fri 6/264:10 am
CCU
- STL
2 stops25h 41m
Multiple Airlines
Deal found 4/22![Multiple Airlines logo]()
$1,254
This Etihad Airways deal was found by Cheapflights users on 4/22. 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.
Sat 5/236:00 am
STL
- CCU
2 stops28h 00m
Multiple Airlines
Mon 6/89:30 pm
CCU
- STL
2 stops32h 21m
Multiple Airlines
Deal found 4/22![Multiple Airlines logo]()
$1,319
Best flights from St. Louis to KolkataDiscover carefully curated flight deals from St. Louis to Kolkata that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 23, 2026.
Discover carefully curated flight deals from St. Louis to Kolkata that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 23, 2026.
This Etihad Airways deal was found by Cheapflights users on 4/18. 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 5/68:54 am
STL
- CCU
2 stops31h 36m
Multiple Airlines
Wed 5/279:30 pm
CCU
- STL
2 stops32h 21m
Multiple Airlines
Deal found 4/18![Multiple Airlines logo]()
$1,021
This FlightHub deal was found by Cheapflights users on 4/19. 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 5/612:27 pm
STL
- CCU
2 stops27h 33m
Qatar Airways
Fri 5/294:00 am
CCU
- STL
2 stops29h 28m
Qatar Airways
Deal found 4/19![Qatar Airways logo]()
$1,071
This Etihad Airways deal was found by Cheapflights users on 4/20. 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.
Wed 5/611:25 am
STL
- CCU
2 stops29h 05m
Multiple Airlines
Fri 5/299:30 pm
CCU
- STL
2 stops33h 30m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$1,041
This Qatar Airways deal was found by Cheapflights users on 4/19. 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 5/712:27 pm
STL
- CCU
2 stops27h 33m
Qatar Airways
Mon 5/114:00 am
CCU
- STL
2 stops30h 26m
Qatar Airways
Deal found 4/19![Qatar Airways logo]()
$1,217
This Etihad Airways deal was found by Cheapflights users on 4/22. 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.
Fri 5/295:08 am
STL
- CCU
2 stops35h 22m
Multiple Airlines
Fri 6/264:10 am
CCU
- STL
2 stops25h 41m
Multiple Airlines
Deal found 4/22![Multiple Airlines logo]()
$1,254
This Etihad Airways deal was found by Cheapflights users on 4/22. 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.
Sun 5/175:51 am
STL
- CCU
2 stops34h 39m
Multiple Airlines
Mon 6/89:30 pm
CCU
- STL
2 stops32h 21m
Multiple Airlines
Deal found 4/22![Multiple Airlines logo]()
$1,319
Last-minute flights from St. Louis to KolkataDiscover last-minute flight deals from St. Louis to Kolkata. Data last updated April 23, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Kolkata. Data last updated April 23, 2026 and is based on user searches.
This Qatar Airways deal was found by Cheapflights users on 4/18. 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 4/3012:27 pm
STL
- CCU
2 stops27h 33m
Qatar Airways
Mon 5/44:00 am
CCU
- STL
2 stops28h 47m
Qatar Airways
Deal found 4/18![Qatar Airways logo]()
$1,237
This Etihad Airways deal was found by Cheapflights users on 4/18. 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 5/68:54 am
STL
- CCU
2 stops31h 36m
Multiple Airlines
Wed 5/279:30 pm
CCU
- STL
2 stops32h 21m
Multiple Airlines
Deal found 4/18![Multiple Airlines logo]()
$1,021
This Etihad Airways deal was found by Cheapflights users on 4/20. 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.
Wed 5/611:25 am
STL
- CCU
2 stops29h 05m
Multiple Airlines
Fri 5/299:30 pm
CCU
- STL
2 stops33h 30m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$1,041
This oojo deal was found by Cheapflights users on 4/22. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/612:27 pm
STL
- CCU
2 stops27h 33m
Qatar Airways
Wed 5/274:00 am
CCU
- STL
2 stops27h 00m
Qatar Airways
Deal found 4/22![Qatar Airways logo]()
$1,134
This Qatar Airways deal was found by Cheapflights users on 4/19. 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 5/712:27 pm
STL
- CCU
2 stops27h 33m
Qatar Airways
Mon 5/114:00 am
CCU
- STL
2 stops30h 26m
Qatar Airways
Deal found 4/19![Qatar Airways logo]()
$1,217
This Etihad Airways deal was found by Cheapflights users on 4/22. 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.
Sat 5/236:00 am
STL
- CCU
2 stops28h 00m
Multiple Airlines
Mon 6/89:30 pm
CCU
- STL
2 stops32h 21m
Multiple Airlines
Deal found 4/22![Multiple Airlines logo]()
$1,319
This Etihad Airways deal was found by Cheapflights users on 4/22. 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.
Fri 5/295:08 am
STL
- CCU
2 stops35h 22m
Multiple Airlines
Fri 6/264:10 am
CCU
- STL
2 stops25h 41m
Multiple Airlines
Deal found 4/22![Multiple Airlines logo]()
$1,254
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 April 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,021 (Etihad Airways) |
Popular in | December |
Cheapest in | February |
Average price | $1,388 |
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 April 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
Cheapest round-trip
St. LouisKolkata
STL - CCU
STLCCU
Lambert-St Louis
Wed 5/6
8:54 am-3:00 am
2 stops31h 36m
Kolkata Netaji S. Chandra
Wed 5/27
9:30 pm-7:21 pm
2 stops32h 21m
$1,021
St. LouisKolkata
STL - CCU
STLCCU
Lambert-St Louis
Wed 5/6
11:25 am-3:00 am
2 stops29h 05m
Kolkata Netaji S. Chandra
Fri 5/29
9:30 pm-8:30 pm
2 stops33h 30m
$1,041
Quickest round-trip
St. LouisKolkata
STL - CCU
STLCCU
Lambert-St Louis
Wed 5/6
12:27 pm-2:30 am
2 stops27h 33m
Kolkata Netaji S. Chandra
Fri 5/29
4:00 am-10:58 pm
2 stops29h 28m
$1,071
St. LouisKolkata
STL - CCU
STLCCU
Lambert-St Louis
Thu 5/7
12:27 pm-2:30 am
2 stops27h 33m
Kolkata Netaji S. Chandra
Mon 5/11
4:00 am-11:56 pm
2 stops30h 26m
$1,217
St. LouisKolkata
STL - CCU
STLCCU
Lambert-St Louis
Fri 5/29
5:08 am-3:00 am
2 stops35h 22m
Kolkata Netaji S. Chandra
Fri 6/26
4:10 am-7:21 pm
2 stops25h 41m
$1,254
St. LouisKolkata
STL - CCU
STLCCU
Lambert-St Louis
Sun 5/17
5:51 am-3:00 am
2 stops34h 39m
Kolkata Netaji S. Chandra
Mon 6/8
9:30 pm-7:21 pm
2 stops32h 21m
$1,319
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 April.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- 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 FlightHub the most. FlightHub 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.
STL-CCU
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
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 April 23, 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.
Boarding
7.5
Food
7.3
Comfort
7.3
Entertainment
7.3
Crew
7.9
Overall
7.4
Reviews
1 / 20
6.0
GoodChris,Jul 2025
DFW - DOH
Boarding
7.5
Food
7.3
Comfort
7.3
Entertainment
7.3
Crew
7.9
Overall
7.4
Reviews
1 / 20
6.0
GoodChris,Jul 2025
DFW - DOH
Boarding
7.5
Food
7.3
Comfort
7.3
Entertainment
7.3
Crew
7.9
Overall
7.4
Reviews
1 / 20
6.0
GoodChris,Jul 2025
DFW - DOH
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.
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Other flights to Kolkata
Explore flights to Kolkata departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on April 23, 2026.
St. Louis and Kolkata flights
Browse other St. Louis and Kolkata flight options. Last updated on April 23, 2026.
Other flights from St. Louis
Browse through other flights departing from St. Louis. Flights are based on user searches made on Cheapflights and were last updated on April 23, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 April 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$1,106 | Average$1,290 | FlexibilityNo cancel fee | On-time68% | |
| Cheapest$1,327 | Average$1,377 | FlexibilityNo cancel fee | On-time71% |