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Cheap flights from St. Louis to Kolkata from ₹ 88,328

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 30/3. Fares are subject to change and may not be available on all flights or dates of travel.
STL — CCU
15 Mar — 22 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from St. Louis to Kolkata

Enter your travel dates to find the best prices.

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 13 February 2026.

Mon 30/309:15
STL
-
CCU
2 stops28h 30m
Multiple Airlines
Mon 6/421:30
CCU
-
STL
2 stops32h 33m
Multiple Airlines
Deal found 12/2₹ 88,328
Fri 27/309:15
STL
-
CCU
2 stops27h 55m
Multiple Airlines
Fri 3/421:30
CCU
-
STL
2 stops31h 00m
Multiple Airlines
Deal found 10/2₹ 92,586
Thu 26/209:37
STL
-
CCU
2 stops28h 48m
Qatar Airways
Thu 12/303:25
CCU
-
STL
2 stops43h 49m
Qatar Airways
Deal found 10/2₹ 92,677
Thu 19/209:37
STL
-
CCU
2 stops28h 48m
Qatar Airways
Sun 22/203:25
CCU
-
STL
2 stops56h 01m
Qatar Airways
Deal found 12/2₹ 96,934
Sat 7/308:00
STL
-
CCU
2 stops30h 25m
Qatar Airways
Fri 13/303:25
CCU
-
STL
2 stops43h 49m
Qatar Airways
Deal found 11/2₹ 106,990
Sun 15/206:00
STL
-
CCU
2 stops26h 30m
Etihad Airways
Mon 16/203:35
CCU
-
STL
2 stops45h 38m
Etihad Airways
Deal found 11/2₹ 122,753
Thu 26/211:39
STL
-
CCU
2 stops32h 31m
Multiple Airlines
Fri 13/321:00
CCU
-
STL
3 stops36h 29m
Multiple Airlines
Deal found 10/2₹ 139,604
Sun 15/213:11
STL
-
CCU
3 stops31h 59m
Lufthansa
Tue 17/221:00
CCU
-
STL
3 stops36h 10m
Lufthansa
Deal found 11/2₹ 158,085
Wed 16/1215:50
STL
-
CCU
2 stops29h 20m
Multiple Airlines
Sat 16/122:00
CCU
-
STL
2 stops27h 25m
Multiple Airlines
Deal found 12/2₹ 160,893
Sun 20/1215:50
STL
-
CCU
2 stops53h 20m
Multiple Airlines
Sat 16/122:00
CCU
-
STL
2 stops27h 25m
Multiple Airlines
Deal found 12/2₹ 163,520

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 13 February 2026.

Round-trip from

₹ 92,586

Popular in

December

Cheapest in

February

Average price

₹ 102,098
27/3-3/4
  • 27/3-3/4
  • 4 total stops
  • 58h 55m total
  • St. Louis to Kolkata
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (₹ 244,397 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (₹ 155,571 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
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Cheapflights Fare Finder

 
Customise 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 454,620 searches. Data last updated 13 February 2026.
Use the filters below to find and compare flights from St. Louis to Kolkata that are best for you.

Fly from

St. Louis

Fly to

Kolkata

Route

Depart

Return

Price

St. LouisKolkata

STL - CCU

STLCCU

Lambert-St Louis

Fri 27/3

09:15-23:40

2 stops27h 55m

Kolkata Netaji S. Chandra

Fri 3/4

21:30-18:00

2 stops31h 00m

₹ 92,586

St. LouisKolkata

STL - CCU

STLCCU

Lambert-St Louis

Thu 26/2

09:37-01:55

2 stops28h 48m

Kolkata Netaji S. Chandra

Thu 12/3

03:25-12:44

2 stops43h 49m

₹ 92,677

St. LouisKolkata

STL - CCU

STLCCU

Lambert-St Louis

Sat 7/3

08:00-01:55

2 stops30h 25m

Kolkata Netaji S. Chandra

Fri 13/3

03:25-12:44

2 stops43h 49m

₹ 106,990

St. LouisKolkata

STL - CCU

STLCCU

Lambert-St Louis

Thu 26/2

11:39-07:40

2 stops32h 31m

Kolkata Netaji S. Chandra

Fri 13/3

21:00-22:59

3 stops36h 29m

₹ 139,604

St. LouisKolkata

STL - CCU

STLCCU

Lambert-St Louis

Sat 7/3

13:36-17:10

3 stops40h 04m

Kolkata Netaji S. Chandra

Sat 14/3

16:30-23:44

3 stops41h 44m

₹ 186,893

St. LouisKolkata

STL - CCU

STLCCU

Lambert-St Louis

Thu 26/2

14:00-17:10

3 stops39h 40m

Kolkata Netaji S. Chandra

Fri 13/3

21:30-08:38

3 stops45h 38m

₹ 193,325

Flights are sorted by cheapest return flights first.

Deals found on 10/2

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 return 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.

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?

    Qatar Airways can get you from St. Louis to Kolkata in just under 28h 48m. Your travel time can differ by up to . The distance from St. Louis to Kolkata is about 13177 km.

  • 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 holiday 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

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Alternative routes for St. Louis to Kolkata

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Can Cheapflights notify me if prices for flights from St. Louis to Kolkata become cheaper?

Not ready to book yet? You can track prices for flights from St. Louis to Kolkata on Cheapflights with our Price Alert feature and get notified when better prices are available.

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