$1,383+ 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 1/4. Fares are subject to change and may not be available on all flights or dates of travel.
STL — CCU
Nov 23 — Nov 301
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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
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 October 24, 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 October 24, 2026.
This American Airlines deal was found by Cheapflights users on 10/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1910:37 am -
2 stops27h 48m
Wed 11/253:25 am -
2 stops29h 55m
Deal found 10/22![Multiple Airlines logo]()
$1,504
This Mytrip deal was found by Cheapflights users on 10/22. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/63:40 pm -
3 stops27h 45m
Sat 12/123:20 am -
3 stops32h 22m
Deal found 10/22![Multiple Airlines logo]()
$1,729
This oojo deal was found by Cheapflights users on 10/22. 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.
Sun 12/61:43 pm -
2 stops24h 42m
Sat 12/123:25 am -
2 stops28h 32m
Deal found 10/22![Qatar Airways logo]()
$1,758
This Ovago deal was found by Cheapflights users on 10/22. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/63:40 pm -
2 stops30h 00m
Sun 12/139:00 pm -
3 stops37h 29m
Deal found 10/22![Lufthansa logo]()
$1,922
This KAYAK deal was found by Cheapflights users on 10/23. 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.
Fri 12/1812:06 pm -
2 stops26h 19m
Fri 1/153:25 am -
2 stops30h 36m
Deal found 10/23![Qatar Airways logo]()
$2,684
This American Airlines deal was found by Cheapflights users on 10/21. 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.
Fri 12/1812:14 pm -
2 stops26h 11m
Fri 1/153:25 am -
2 stops26h 35m
Deal found 10/21![Multiple Airlines logo]()
$2,774
This KAYAK deal was found by Cheapflights users on 10/23. 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 12/1611:37 am -
2 stops26h 48m
Sat 1/23:25 am -
2 stops30h 40m
Deal found 10/23![Qatar Airways logo]()
$2,882
This American Airlines deal was found by Cheapflights users on 10/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/177:00 am -
2 stops31h 25m
Sun 1/33:25 am -
2 stops30h 40m
Deal found 10/20![Multiple Airlines logo]()
$3,007
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 October 24, 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 October 24, 2026.
This Qatar Airways deal was found by Cheapflights users on 10/22. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/49:15 am -
2 stops29h 10m
Sat 3/63:25 am -
2 stops28h 27m
Deal found 10/22![Qatar Airways logo]()
$1,383
This American Airlines deal was found by Cheapflights users on 10/23. 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.
Sat 1/91:45 pm -
2 stops24h 40m
Fri 1/223:25 am -
2 stops32h 02m
Deal found 10/23![Multiple Airlines logo]()
$1,446
This KAYAK deal was found by Cheapflights users on 10/24. 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 1/91:45 pm -
3 stops33h 25m
Fri 1/221:45 am -
3 stops53h 12m
Deal found 10/24![British Airways logo]()
$2,228
This Qatar Airways deal was found by Cheapflights users on 10/22. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/27:20 pm -
2 stops43h 05m
Thu 3/43:25 am -
2 stops28h 21m
Deal found 10/22![Qatar Airways logo]()
$1,385
This KAYAK deal was found by Cheapflights users on 10/24. 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 1/97:27 am -
2 stops30h 58m
Fri 1/223:25 am -
2 stops28h 36m
Deal found 10/24![Qatar Airways logo]()
$1,423
This Qatar Airways deal was found by Cheapflights users on 10/22. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/210:20 am -
2 stops52h 05m
Sat 3/63:25 am -
2 stops29h 14m
Deal found 10/22![Qatar Airways logo]()
$1,425
This Qatar Airways deal was found by Cheapflights users on 10/22. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/31:51 pm -
2 stops24h 34m
Sun 2/283:25 am -
2 stops31h 15m
Deal found 10/22![Qatar Airways logo]()
$1,428
This Qatar Airways deal was found by Cheapflights users on 10/22. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/16:57 pm -
2 stops43h 28m
Sat 3/63:25 am -
2 stops27h 32m
Deal found 10/22![Qatar Airways logo]()
$1,515
This Qatar Airways deal was found by Cheapflights users on 10/22. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/16:57 pm -
2 stops43h 28m
Fri 3/53:25 am -
2 stops30h 14m
Deal found 10/22![Qatar Airways logo]()
$1,515
Last-minute flights from St. Louis to KolkataDiscover last-minute flight deals from St. Louis to Kolkata. Data last updated October 24, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Kolkata. Data last updated October 24, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 10/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1910:37 am -
2 stops27h 48m
Wed 11/253:25 am -
2 stops29h 55m
Deal found 10/22![Multiple Airlines logo]()
$1,504
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 October 24, 2026.
Search for one-way flight options from St. Louis to Kolkata. Find affordable one-way fares based on user searches. Data last updated October 24, 2026.
This KAYAK deal was found by Cheapflights users on 10/22. 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.
Fri 12/45:38 pm -
2 stops38h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Multiple Airlines logo]()
$4,295
This KAYAK deal was found by Cheapflights users on 10/22. 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.
Thu 12/35:02 am -
2 stops27h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Multiple Airlines logo]()
$5,277
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 October 24, 2026.
Most accurate provider | Indian Eagle 3 stars |
|---|---|
Most trusted provider | Indian Eagle 3 stars |
Round-trip from | $1,111 (Etihad Airways) |
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 October 24, 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 Lambert-St Louis - CCU Kolkata Netaji S. Chandra
STLCCU
Lambert-St Louis
Mon 1/4
9:15 am-1:55 am
2 stops29h 10m
Kolkata Netaji S. Chandra
Sat 3/6
3:25 am-8:22 pm
2 stops28h 27m
$1,383
St. LouisKolkata
STL Lambert-St Louis - CCU Kolkata Netaji S. Chandra
STLCCU
Lambert-St Louis
Sat 1/2
7:20 pm-1:55 am
2 stops43h 05m
Kolkata Netaji S. Chandra
Thu 3/4
3:25 am-8:16 pm
2 stops28h 21m
$1,385
St. LouisKolkata
STL Lambert-St Louis - CCU Kolkata Netaji S. Chandra
STLCCU
Lambert-St Louis
Sat 1/9
7:27 am-1:55 am
2 stops30h 58m
Kolkata Netaji S. Chandra
Fri 1/22
3:25 am-8:31 pm
2 stops28h 36m
$1,423
St. LouisKolkata
STL Lambert-St Louis - CCU Kolkata Netaji S. Chandra
STLCCU
Lambert-St Louis
Sat 1/2
10:20 am-1:55 am
2 stops52h 05m
Kolkata Netaji S. Chandra
Sat 3/6
3:25 am-9:09 pm
2 stops29h 14m
$1,425
St. LouisKolkata
STL Lambert-St Louis - CCU Kolkata Netaji S. Chandra
STLCCU
Lambert-St Louis
Sun 1/3
1:51 pm-1:55 am
2 stops24h 34m
Kolkata Netaji S. Chandra
Sun 2/28
3:25 am-11:10 pm
2 stops31h 15m
$1,428
St. LouisKolkata
STL Lambert-St Louis - CCU Kolkata Netaji S. Chandra
STLCCU
Lambert-St Louis
Sat 1/9
1:45 pm-1:55 am
2 stops24h 40m
Kolkata Netaji S. Chandra
Fri 1/22
3:25 am-11:57 pm
2 stops32h 02m
$1,446
St. LouisKolkata
STL Lambert-St Louis - CCU Kolkata Netaji S. Chandra
STLCCU
Lambert-St Louis
Fri 1/1
6:57 pm-1:55 am
2 stops43h 28m
Kolkata Netaji S. Chandra
Sat 3/6
3:25 am-7:27 pm
2 stops27h 32m
$1,515
St. LouisKolkata
STL Lambert-St Louis - CCU Kolkata Netaji S. Chandra
STLCCU
Lambert-St Louis
Fri 1/1
6:57 pm-1:55 am
2 stops43h 28m
Kolkata Netaji S. Chandra
Fri 3/5
3:25 am-10:09 pm
2 stops30h 14m
$1,515
St. LouisKolkata
STL Lambert-St Louis - CCU Kolkata Netaji S. Chandra
STLCCU
Lambert-St Louis
Sat 1/9
1:45 pm-10:40 am
3 stops33h 25m
Kolkata Netaji S. Chandra
Fri 1/22
1:45 am-7:27 pm
3 stops53h 12m
$2,228
St. LouisKolkata
STL Lambert-St Louis - CCU Kolkata Netaji S. Chandra
STLCCU
Lambert-St Louis
Fri 12/4
5:38 pm-7:55 pm
2 stops38h 47m
Kolkata Netaji S. Chandra
Wed 12/31
12:00 am-12:30 pm
Nonstop0h 00m
$4,295
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 October.
| 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 Indian Eagle to be most consistent on Cheapflights vs. Indian Eagle Users can find the same prices on St. Louis-Kolkata flight deals on Cheapflights vs. Indian Eagle >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 Indian Eagle the most. Indian Eagle 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 October 24, 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.
Food
7.3
Boarding
7.5
Entertainment
7.3
Comfort
7.3
Overall
7.3
Crew
7.9
Reviews
1 / 20
6.0
GoodAnonymous,Oct 2026
DOH - MAA
Food
7.3
Boarding
7.5
Entertainment
7.3
Comfort
7.3
Overall
7.3
Crew
7.9
Reviews
1 / 20
6.0
GoodAnonymous,Oct 2026
DOH - MAA
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.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Complete your trip
Flights by cabin class
Kolkata flight routes
Other flight options
Other flights from St. Louis
Popular flights
Complete your trip
Complete your trip to Kolkata by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from St. Louis to Kolkata by cabin class
Find flights from St. Louis to Kolkata, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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 October 24, 2026.
St. Louis and Kolkata flights
Browse other St. Louis and Kolkata flight options. Last updated on October 24, 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 October 24, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 October 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$1,071 | Average$1,247 | FlexibilityNo cancel fee | On-time68% |