$775+ 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 5/19. Fares are subject to change and may not be available on all flights or dates of travel.
STL — CCU
Jun 12 — Jun 191
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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Best
Last-minute
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 May 13, 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 May 13, 2026.
This Qatar Airways deal was found by Cheapflights users on 5/12. 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 9/139:46 am
STL
- CCU
2 stops30h 14m
Qatar Airways
Thu 9/174:00 am
CCU
- STL
2 stops29h 42m
Qatar Airways
Deal found 5/12![Qatar Airways logo]()
$1,101
This Indian Eagle deal was found by Cheapflights users on 5/11. 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.
Fri 10/95:33 am
STL
- CCU
2 stops34h 27m
Qatar Airways
Sat 10/244:00 am
CCU
- STL
2 stops26h 38m
Qatar Airways
Deal found 5/11![Qatar Airways logo]()
$1,125
This FlightHub deal was found by Cheapflights users on 5/11. 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.
Thu 6/2511:15 am
STL
- CCU
2 stops28h 45m
Qatar Airways
Fri 7/34:00 am
CCU
- STL
2 stops25h 51m
Qatar Airways
Deal found 5/11![Qatar Airways logo]()
$1,298
This Etihad Airways deal was found by Cheapflights users on 5/11. 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
Wed 6/109:30 pm
CCU
- STL
2 stops32h 21m
Multiple Airlines
Deal found 5/11![Multiple Airlines logo]()
$1,395
This FlightHub deal was found by Cheapflights users on 5/9. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/247:56 pm
STL
- CCU
2 stops44h 04m
Multiple Airlines
Wed 8/54:00 am
CCU
- STL
2 stops45h 13m
Multiple Airlines
Deal found 5/9![Multiple Airlines logo]()
$1,440
This Ovago deal was found by Cheapflights users on 5/12. 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 5/183:43 pm
STL
- CCU
2 stops42h 17m
Etihad Airways
Wed 6/109:30 pm
CCU
- STL
2 stops26h 12m
Etihad Airways
Deal found 5/12![Etihad Airways logo]()
$1,460
This Ovago deal was found by Cheapflights users on 5/13. 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 7/15:03 pm
STL
- CCU
2 stops23h 27m
Etihad Airways
Sat 8/14:10 am
CCU
- STL
2 stops39h 30m
Etihad Airways
Deal found 5/13![Etihad Airways logo]()
$1,488
This Etihad Airways deal was found by Cheapflights users on 5/11. 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 5/177:05 am
STL
- CCU
2 stops26h 55m
Multiple Airlines
Wed 6/109:30 pm
CCU
- STL
2 stops32h 21m
Multiple Airlines
Deal found 5/11![Multiple Airlines logo]()
$1,499
This FlightHub deal was found by Cheapflights users on 5/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/237:05 am
STL
- CCU
2 stops25h 40m
Multiple Airlines
Thu 6/119:50 am
CCU
- STL
2 stops46h 10m
Multiple Airlines
Deal found 5/10![Multiple Airlines logo]()
$1,567
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 May 13, 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 May 13, 2026.
This Etihad Airways deal was found by Cheapflights users on 5/11. 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
Wed 6/109:30 pm
CCU
- STL
2 stops32h 21m
Multiple Airlines
Deal found 5/11![Multiple Airlines logo]()
$1,395
This Ovago deal was found by Cheapflights users on 5/12. 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 5/183:43 pm
STL
- CCU
2 stops42h 17m
Etihad Airways
Wed 6/109:30 pm
CCU
- STL
2 stops26h 12m
Etihad Airways
Deal found 5/12![Etihad Airways logo]()
$1,460
This Indian Eagle deal was found by Cheapflights users on 5/8. 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 Indian Eagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/241:13 pm
STL
- CCU
3 stops33h 07m
Lufthansa
Thu 6/410:00 pm
CCU
- STL
2 stops25h 55m
Lufthansa
Deal found 5/8![Lufthansa logo]()
$1,720
This FlightHub deal was found by Cheapflights users on 5/9. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/247:56 pm
STL
- CCU
2 stops44h 04m
Multiple Airlines
Wed 8/54:00 am
CCU
- STL
2 stops45h 13m
Multiple Airlines
Deal found 5/9![Multiple Airlines logo]()
$1,440
This Ovago deal was found by Cheapflights users on 5/13. 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 7/15:03 pm
STL
- CCU
2 stops23h 27m
Etihad Airways
Sat 8/14:10 am
CCU
- STL
2 stops39h 30m
Etihad Airways
Deal found 5/13![Etihad Airways logo]()
$1,488
This Etihad Airways deal was found by Cheapflights users on 5/11. 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 5/177:05 am
STL
- CCU
2 stops33h 25m
Multiple Airlines
Wed 6/109:30 pm
CCU
- STL
2 stops32h 21m
Multiple Airlines
Deal found 5/11![Multiple Airlines logo]()
$1,499
This Etihad Airways deal was found by Cheapflights users on 5/11. 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 5/246:00 am
STL
- CCU
2 stops34h 30m
Multiple Airlines
Wed 6/109:30 pm
CCU
- STL
2 stops32h 21m
Multiple Airlines
Deal found 5/11![Multiple Airlines logo]()
$1,710
This Justfly.com deal was found by Cheapflights users on 5/10. 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.
Mon 5/187:05 am
STL
- CCU
2 stops38h 35m
Multiple Airlines
Thu 6/119:50 am
CCU
- STL
2 stops46h 10m
Multiple Airlines
Deal found 5/10![Multiple Airlines logo]()
$1,712
Last-minute flights from St. Louis to KolkataDiscover last-minute flight deals from St. Louis to Kolkata. Data last updated May 13, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Kolkata. Data last updated May 13, 2026 and is based on user searches.
This Ovago deal was found by Cheapflights users on 5/12. 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 5/183:43 pm
STL
- CCU
2 stops42h 17m
Etihad Airways
Wed 6/109:30 pm
CCU
- STL
2 stops26h 12m
Etihad Airways
Deal found 5/12![Etihad Airways logo]()
$1,460
This Indian Eagle deal was found by Cheapflights users on 5/10. 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 5/181:24 pm
STL
- CCU
3 stops28h 56m
Lufthansa
Thu 6/1110:00 pm
CCU
- STL
2 stops25h 55m
Lufthansa
Deal found 5/10![Lufthansa logo]()
$1,684
This Ovago deal was found by Cheapflights users on 5/11. 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 5/1812:27 pm
STL
- CCU
2 stops27h 33m
Multiple Airlines
Wed 6/104:00 am
CCU
- STL
2 stops30h 29m
Multiple Airlines
Deal found 5/11![Multiple Airlines logo]()
$1,701
This Indian Eagle deal was found by Cheapflights users on 5/12. 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 5/181:24 pm
STL
- CCU
3 stops28h 56m
Lufthansa
Wed 6/1010:00 pm
CCU
- STL
2 stops49h 55m
Lufthansa
Deal found 5/12![Lufthansa logo]()
$1,708
This Justfly.com deal was found by Cheapflights users on 5/10. 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.
Mon 5/187:05 am
STL
- CCU
2 stops38h 35m
Multiple Airlines
Thu 6/119:50 am
CCU
- STL
2 stops46h 10m
Multiple Airlines
Deal found 5/10![Multiple Airlines logo]()
$1,712
This Etihad Airways deal was found by Cheapflights users on 5/11. 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
Wed 6/109:30 pm
CCU
- STL
2 stops32h 21m
Multiple Airlines
Deal found 5/11![Multiple Airlines logo]()
$1,395
This Justfly.com deal was found by Cheapflights users on 5/10. 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.
Sat 5/237:05 am
STL
- CCU
2 stops25h 40m
Multiple Airlines
Thu 6/119:50 am
CCU
- STL
2 stops46h 10m
Multiple Airlines
Deal found 5/10![Multiple Airlines logo]()
$1,567
This KAYAK deal was found by Cheapflights users on 5/12. 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.
Sat 5/237:05 am
STL
- CCU
2 stops25h 40m
Emirates
Wed 6/108:55 pm
CCU
- STL
2 stops49h 46m
Emirates
Deal found 5/12![Emirates logo]()
$1,623
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 May 13, 2026.
Search for one-way flight options from St. Louis to Kolkata. Find affordable one-way fares based on user searches. Data last updated May 13, 2026.
This Etihad Airways deal was found by Cheapflights users on 5/12. 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
Deal found 5/12![Multiple Airlines logo]()
$775
This Priceline deal was found by Cheapflights users on 5/12. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1911:34 am
STL
- CCU
3 stops30h 46m
Lufthansa
Deal found 5/12![Lufthansa logo]()
$943
This Kiwi.com deal was found by Cheapflights users on 5/12. 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.
Wed 5/205:27 pm
STL
- CCU
3 stops38h 03m
Multiple Airlines
Deal found 5/12![Multiple Airlines logo]()
$1,154
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 13, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $1,101 (Qatar Airways) |
One-way from | $775 (Etihad Airways) |
Popular in | December |
Cheapest in | May |
Average price | $1,106 |
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 13, 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
Tue 5/19
6:00 am-8:30 pm
2 stops28h 00m
Kolkata Netaji S. Chandra
Wed 6/10
9:30 pm-7:21 pm
2 stops32h 21m
$1,395
St. LouisKolkata
STL - CCU
STLCCU
Lambert-St Louis
Wed 6/24
7:56 pm-2:30 am
2 stops44h 04m
Kolkata Netaji S. Chandra
Wed 8/5
4:00 am-2:43 pm
2 stops45h 13m
$1,440
St. LouisKolkata
STL - CCU
STLCCU
Lambert-St Louis
Mon 5/18
3:43 pm-8:30 pm
2 stops42h 17m
Kolkata Netaji S. Chandra
Wed 6/10
9:30 pm-1:12 pm
2 stops26h 12m
$1,460
St. LouisKolkata
STL - CCU
STLCCU
Lambert-St Louis
Wed 7/1
5:03 pm-3:00 am
2 stops23h 27m
Kolkata Netaji S. Chandra
Sat 8/1
4:10 am-9:10 am
2 stops39h 30m
$1,488
St. LouisKolkata
STL - CCU
STLCCU
Lambert-St Louis
Sun 5/17
7:05 am-3:00 am
2 stops33h 25m
Kolkata Netaji S. Chandra
Wed 6/10
9:30 pm-7:21 pm
2 stops32h 21m
$1,499
St. LouisKolkata
STL - CCU
STLCCU
Lambert-St Louis
Sun 5/24
6:00 am-3:00 am
2 stops34h 30m
Kolkata Netaji S. Chandra
Wed 6/10
9:30 pm-7:21 pm
2 stops32h 21m
$1,710
St. LouisKolkata
STL - CCU
STLCCU
Lambert-St Louis
Mon 5/18
7:05 am-8:10 am
2 stops38h 35m
Kolkata Netaji S. Chandra
Thu 6/11
9:50 am-9:30 pm
2 stops46h 10m
$1,712
Quickest round-trip
St. LouisKolkata
STL - CCU
STLCCU
Lambert-St Louis
Sun 5/24
1:13 pm-8:50 am
3 stops33h 07m
Kolkata Netaji S. Chandra
Thu 6/4
10:00 pm-1:25 pm
2 stops25h 55m
$1,720
Cheapest one-way
Quickest one-way
St. LouisKolkata
STL - CCU
STLCCU
Lambert-St Louis
Tue 5/19
6:00 am-8:30 pm
2 stops28h 00m
$775
St. LouisKolkata
STL - CCU
STLCCU
Lambert-St Louis
Tue 5/19
11:34 am-4:50 am
3 stops30h 46m
$943
Showing 1-10 of 11 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 May.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| 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.
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 May 13, 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.
Entertainment
7.3
Crew
7.9
Food
7.3
Comfort
7.3
Boarding
7.5
Overall
7.4
Reviews
1 / 20
6.0
GoodChris,Jul 2025
DFW - DOH
Entertainment
7.3
Crew
7.9
Food
7.3
Comfort
7.3
Boarding
7.5
Overall
7.4
Reviews
1 / 20
6.0
GoodChris,Jul 2025
DFW - DOH
Entertainment
7.3
Crew
7.9
Food
7.3
Comfort
7.3
Boarding
7.5
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 May 13, 2026.
St. Louis and Kolkata flights
Browse other St. Louis and Kolkata flight options. Last updated on May 13, 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 May 13, 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 May 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$1,075 | Average$1,250 | FlexibilityNo cancel fee | On-time68% | |
| Cheapest$1,327 | Average$1,377 | FlexibilityNo cancel fee | On-time71% |