$633+ 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 11/9. Fares are subject to change and may not be available on all flights or dates of travel.
STL — CCU
Oct 11 — Oct 181
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
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One-way
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 September 11, 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 September 11, 2026.
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/46:30 am -
2 stops33h 10m
Wed 12/93:25 am -
2 stops26h 22m
Deal found 9/8![Qatar Airways logo]()
$1,111
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/142:11 pm -
2 stops25h 49m
Mon 9/214:00 am -
2 stops30h 29m
Deal found 9/9![Qatar Airways logo]()
$1,114
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.
Sun 10/411:01 am -
2 stops29h 24m
Thu 12/103:20 am -
2 stops45h 28m
Deal found 9/8![Etihad Airways logo]()
$1,117
This oojo deal was found by Cheapflights users on 9/6. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/47:27 am -
2 stops32h 13m
Thu 12/103:25 am -
2 stops44h 42m
Deal found 9/6![Qatar Airways logo]()
$1,129
This Etihad Airways deal was found by Cheapflights users on 9/7. 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 9/195:00 am -
2 stops29h 00m
Fri 10/23:50 am -
2 stops31h 07m
Deal found 9/7![Multiple Airlines logo]()
$1,164
This Ovago 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/257:16 am -
2 stops26h 09m
Sat 10/313:20 am -
2 stops41h 26m
Deal found 9/10![Etihad Airways logo]()
$1,264
This Justfly.com 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2510:00 am -
2 stops28h 25m
Wed 1/63:25 am -
2 stops30h 39m
Deal found 9/10![Qatar Airways logo]()
$1,694
This Ovago 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1412:59 pm -
3 stops33h 21m
Mon 9/2110:30 pm -
2 stops25h 25m
Deal found 9/9![Lufthansa logo]()
$1,713
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 September 11, 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 September 11, 2026.
This Etihad Airways 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/127:29 am -
2 stops31h 26m
Fri 3/129:00 pm -
2 stops32h 37m
Deal found 9/8![Multiple Airlines logo]()
$1,031
This Ovago deal was found by Cheapflights users on 9/7. 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.
Wed 2/39:52 am -
2 stops29h 03m
Sat 2/273:20 am -
2 stops50h 18m
Deal found 9/7![Etihad Airways logo]()
$1,061
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/46:30 am -
2 stops33h 10m
Wed 12/93:25 am -
2 stops26h 22m
Deal found 9/8![Qatar Airways logo]()
$1,111
This KAYAK 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/41:09 pm -
3 stops33h 11m
Thu 12/108:55 pm -
2 stops28h 20m
Deal found 9/10![Lufthansa logo]()
$1,796
This Indian Eagle 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 Indian Eagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1811:31 am -
2 stops28h 09m
Thu 10/293:25 am -
2 stops31h 24m
Deal found 9/9![Qatar Airways logo]()
$1,114
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.
Sun 10/411:01 am -
2 stops29h 24m
Thu 12/103:20 am -
2 stops45h 28m
Deal found 9/8![Etihad Airways logo]()
$1,117
This oojo deal was found by Cheapflights users on 9/6. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/47:27 am -
2 stops32h 13m
Thu 12/103:25 am -
2 stops44h 42m
Deal found 9/6![Qatar Airways logo]()
$1,129
This Ovago deal was found by Cheapflights users on 9/7. 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.
Wed 2/39:52 am -
3 stops34h 18m
Sun 2/288:15 pm -
3 stops31h 58m
Deal found 9/7![Multiple Airlines logo]()
$1,796
This KAYAK 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/48:55 am -
3 stops33h 25m
Thu 12/108:55 pm -
2 stops28h 20m
Deal found 9/8![Multiple Airlines logo]()
$1,801
Last-minute flights from St. Louis to KolkataDiscover last-minute flight deals from St. Louis to Kolkata. Data last updated September 11, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Kolkata. Data last updated September 11, 2026 and is based on user searches.
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/142:11 pm -
2 stops25h 49m
Mon 9/214:00 am -
2 stops30h 29m
Deal found 9/9![Qatar Airways logo]()
$1,114
This Ovago 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1412:59 pm -
3 stops33h 21m
Mon 9/2110:30 pm -
2 stops25h 25m
Deal found 9/9![Lufthansa logo]()
$1,713
This Etihad Airways deal was found by Cheapflights users on 9/7. 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 9/195:00 am -
2 stops29h 00m
Fri 10/23:50 am -
2 stops31h 07m
Deal found 9/7![Multiple Airlines logo]()
$1,164
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/46:30 am -
2 stops33h 10m
Wed 12/93:25 am -
2 stops26h 22m
Deal found 9/8![Qatar Airways logo]()
$1,111
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.
Sun 10/411:01 am -
2 stops29h 24m
Thu 12/103:20 am -
2 stops45h 28m
Deal found 9/8![Etihad Airways logo]()
$1,117
This oojo deal was found by Cheapflights users on 9/6. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/47:27 am -
2 stops32h 13m
Thu 12/103:25 am -
2 stops44h 42m
Deal found 9/6![Qatar Airways logo]()
$1,129
This Ovago 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/257:16 am -
2 stops26h 09m
Sat 10/313:20 am -
2 stops41h 26m
Deal found 9/10![Etihad Airways logo]()
$1,264
One-way flights from St. Louis to KolkataSearch for one-way flight options from St. Louis to Kolkata. Find affordable one-way fares based on user searches. Data last updated September 11, 2026.
Search for one-way flight options from St. Louis to Kolkata. Find affordable one-way fares based on user searches. Data last updated September 11, 2026.
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.
Mon 11/97:26 am -
2 stops30h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Qatar Airways logo]()
$633
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/26:44 pm -
3 stops50h 06m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Multiple Airlines logo]()
$677
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.
Thu 10/2911:32 am -
2 stops27h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Qatar Airways logo]()
$685
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/912:14 pm -
3 stops55h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Multiple Airlines logo]()
$781
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.
Mon 11/27:25 am -
2 stops31h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Qatar Airways logo]()
$789
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2912:14 pm -
3 stops57h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Multiple Airlines logo]()
$821
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/112:14 pm -
3 stops35h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Multiple Airlines logo]()
$868
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 September 11, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $1,031 (Etihad Airways) |
One-way from | $633 (Indian Eagle) |
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 7,457,451 searches. Data last updated September 11, 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
Quickest round-trip
St. LouisKolkata
STL Lambert-St Louis - CCU Kolkata Netaji S. Chandra
STLCCU
Lambert-St Louis
Sun 11/1
11:34 am-1:55 am
2 stops26h 51m
Kolkata Netaji S. Chandra
Wed 12/31
12:00 am-12:30 pm
Nonstop0h 00m
$685
St. LouisKolkata
STL Lambert-St Louis - CCU Kolkata Netaji S. Chandra
STLCCU
Lambert-St Louis
Mon 11/2
7:25 am-1:55 am
2 stops31h 00m
Kolkata Netaji S. Chandra
Wed 12/31
12:00 am-12:30 pm
Nonstop0h 00m
$789
St. LouisKolkata
STL Lambert-St Louis - CCU Kolkata Netaji S. Chandra
STLCCU
Lambert-St Louis
Thu 10/29
12:14 pm-8:00 am
3 stops57h 16m
Kolkata Netaji S. Chandra
Wed 12/31
12:00 am-12:30 pm
Nonstop0h 00m
$821
St. LouisKolkata
STL Lambert-St Louis - CCU Kolkata Netaji S. Chandra
STLCCU
Lambert-St Louis
Sun 11/1
12:14 pm-10:45 am
3 stops35h 01m
Kolkata Netaji S. Chandra
Wed 12/31
12:00 am-12:30 pm
Nonstop0h 00m
$868
St. LouisKolkata
STL Lambert-St Louis - CCU Kolkata Netaji S. Chandra
STLCCU
Lambert-St Louis
Fri 2/12
7:29 am-2:25 am
2 stops31h 26m
Kolkata Netaji S. Chandra
Fri 3/12
9:00 pm-6:07 pm
2 stops32h 37m
$1,031
St. LouisKolkata
STL Lambert-St Louis - CCU Kolkata Netaji S. Chandra
STLCCU
Lambert-St Louis
Wed 2/3
9:52 am-2:25 am
2 stops29h 03m
Kolkata Netaji S. Chandra
Sat 2/27
3:20 am-6:08 pm
2 stops50h 18m
$1,061
St. LouisKolkata
STL Lambert-St Louis - CCU Kolkata Netaji S. Chandra
STLCCU
Lambert-St Louis
Sun 10/4
6:30 am-2:10 am
2 stops33h 10m
Kolkata Netaji S. Chandra
Wed 12/9
3:25 am-6:17 pm
2 stops26h 22m
$1,111
St. LouisKolkata
STL Lambert-St Louis - CCU Kolkata Netaji S. Chandra
STLCCU
Lambert-St Louis
Sun 10/18
11:31 am-2:10 am
2 stops28h 09m
Kolkata Netaji S. Chandra
Thu 10/29
3:25 am-12:19 am
2 stops31h 24m
$1,114
St. LouisKolkata
STL Lambert-St Louis - CCU Kolkata Netaji S. Chandra
STLCCU
Lambert-St Louis
Sun 10/4
11:01 am-2:55 am
2 stops29h 24m
Kolkata Netaji S. Chandra
Thu 12/10
3:20 am-1:18 pm
2 stops45h 28m
$1,117
St. LouisKolkata
STL Lambert-St Louis - CCU Kolkata Netaji S. Chandra
STLCCU
Lambert-St Louis
Sun 10/4
7:27 am-2:10 am
2 stops32h 13m
Kolkata Netaji S. Chandra
Thu 12/10
3:25 am-12:37 pm
2 stops44h 42m
$1,129
Showing 1-10 of 13 resultsSorted 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 September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 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 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.
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.
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 September 11, 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.
Entertainment
7.3
Food
7.3
Overall
7.4
Crew
7.9
Comfort
7.3
Boarding
7.5
Reviews
1 / 20
4.0
OkayJanak,Oct 2023
DOH - AMD
Entertainment
7.3
Food
7.3
Overall
7.4
Crew
7.9
Comfort
7.3
Boarding
7.5
Reviews
1 / 20
4.0
OkayJanak,Oct 2023
DOH - AMD
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 September 11, 2026.
St. Louis and Kolkata flights
Browse other St. Louis and Kolkata flight options. Last updated on September 11, 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 September 11, 2026.
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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 7,457,451 searches. Data last updated September 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$1,071 | Average$1,239 | FlexibilityNo cancel fee | On-time68% |