How long is the flight from St. Louis to Kolkata?

Qatar Airways can get you from St. Louis to Kolkata in just under 29h 38m. Your travel time can differ by up to . The distance from St. Louis to Kolkata is about 13177 km.

In terms of precipitation, rainfall in Kolkata ranges from 7.0 - 356.0 inches per month. August is typically the wettest month, when rainfall can reach 356.0 mm. December is typically the driest time to visit Kolkata when rainfall is around 7.0 mm.

If weather is an important factor for your trip to Kolkata, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 31.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 20.0 C).

What is the cheapest time of day to fly from STL to CCU?

When flying from St. Louis to Kolkata, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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.

₹ 48,843+ Cheap Flights from St. Louis to Kolkata

Cheap flight deals from St. Louis to Kolkata

Enter your travel dates to find the best prices.

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Best

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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 11 November 2026.

Wed 30/1210:00 -

2 stops28h 25m

Tue 16/303:25 -

2 stops27h 36m

Deal found 7/11₹ 128,844

Wed 30/1210:00 -

2 stops28h 25m

Sat 13/303:25 -

2 stops26h 37m

Deal found 7/11₹ 132,587

Wed 30/1210:00 -

2 stops28h 25m

Mon 15/303:25 -

2 stops30h 44m

Deal found 7/11₹ 133,616

Wed 30/1210:00 -

2 stops28h 25m

Thu 18/303:25 -

2 stops26h 41m

Deal found 7/11₹ 133,990

Sun 27/1211:30 -

2 stops26h 55m

Mon 15/303:25 -

2 stops27h 21m

Deal found 7/11₹ 146,435

Mon 28/1218:57 -

2 stops43h 28m

Mon 15/303:25 -

2 stops26h 37m

Deal found 7/11₹ 147,464

Tue 29/1212:06 -

2 stops26h 19m

Wed 17/303:25 -

2 stops26h 41m

Deal found 7/11₹ 148,681

Mon 28/1218:57 -

2 stops43h 28m

Tue 16/303:25 -

2 stops27h 51m

Deal found 7/11₹ 150,739

Tue 29/1213:51 -

2 stops24h 34m

Fri 12/303:25 -

2 stops27h 37m

Deal found 7/11₹ 152,423

Tue 29/1213:51 -

2 stops24h 34m

Mon 15/303:25 -

2 stops30h 31m

Deal found 7/11₹ 153,453

Tue 29/1213:51 -

2 stops24h 34m

Thu 18/303:25 -

2 stops26h 41m

Deal found 7/11₹ 153,827

Mon 28/1218:57 -

2 stops43h 28m

Wed 17/303:25 -

2 stops30h 16m

Deal found 7/11₹ 154,108

Find flight deals from St. Louis to Kolkata

Round-trip from	₹ 113,686
One-way from	₹ 48,843

Qatar Airways
17/1-2/2
4 total stops
61h 15m total
St. Louis to Kolkata

Search Deals

6/2-31/12
3 total stops
39h 58m total
St. Louis to Kolkata

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

St. LouisKolkata

STL Lambert-St Louis - CCU Kolkata Netaji S. Chandra

STLCCU

Lambert-St Louis

Sat 6/2

19:02-22:30

3 stops39h 58m

Kolkata Netaji S. Chandra

Wed 31/12

00:00-12:30

Nonstop0h 00m

₹ 48,843

Fastest return journey

St. LouisKolkata

STL Lambert-St Louis - CCU Kolkata Netaji S. Chandra

STLCCU

Lambert-St Louis

Tue 19/1

14:18-01:55

2 stops24h 07m

Kolkata Netaji S. Chandra

Wed 31/12

00:00-12:30

Nonstop0h 00m

₹ 63,252

St. LouisKolkata

STL Lambert-St Louis - CCU Kolkata Netaji S. Chandra

STLCCU

Lambert-St Louis

Thu 14/1

07:21-01:55

2 stops31h 04m

Kolkata Netaji S. Chandra

Wed 31/12

00:00-12:30

Nonstop0h 00m

₹ 65,685

St. LouisKolkata

STL Lambert-St Louis - CCU Kolkata Netaji S. Chandra

STLCCU

Lambert-St Louis

Fri 5/2

08:47-01:55

2 stops29h 38m

Kolkata Netaji S. Chandra

Wed 31/12

00:00-12:30

Nonstop0h 00m

₹ 65,872

St. LouisKolkata

STL Lambert-St Louis - CCU Kolkata Netaji S. Chandra

STLCCU

Lambert-St Louis

Sat 6/2

11:22-01:55

2 stops27h 03m

Kolkata Netaji S. Chandra

Wed 31/12

00:00-12:30

Nonstop0h 00m

₹ 65,872

St. LouisKolkata

STL Lambert-St Louis - CCU Kolkata Netaji S. Chandra

STLCCU

Lambert-St Louis

Fri 5/2

19:02-11:55

3 stops53h 23m

Kolkata Netaji S. Chandra

Wed 31/12

00:00-12:30

Nonstop0h 00m

₹ 75,604

St. LouisKolkata

STL Lambert-St Louis - CCU Kolkata Netaji S. Chandra

STLCCU

Lambert-St Louis

Sun 27/12

07:00-01:55

2 stops31h 25m

Kolkata Netaji S. Chandra

Wed 31/12

00:00-12:30

Nonstop0h 00m

₹ 83,463

St. LouisKolkata

STL Lambert-St Louis - CCU Kolkata Netaji S. Chandra

STLCCU

Lambert-St Louis

Mon 28/12

18:57-01:55

2 stops43h 28m

Kolkata Netaji S. Chandra

Wed 31/12

00:00-12:30

Nonstop0h 00m

₹ 90,294

St. LouisKolkata

STL Lambert-St Louis - CCU Kolkata Netaji S. Chandra

STLCCU

Lambert-St Louis

Sun 17/1

08:47-01:55

2 stops29h 38m

Kolkata Netaji S. Chandra

Tue 2/2

03:25-23:32

2 stops31h 37m

₹ 113,686

St. LouisKolkata

STL Lambert-St Louis - CCU Kolkata Netaji S. Chandra

STLCCU

Lambert-St Louis

Sat 16/1

11:22-01:55

2 stops27h 03m

Kolkata Netaji S. Chandra

Mon 1/2

03:25-19:27

2 stops27h 32m

₹ 117,335

Flights are sorted by cheapest return flights first.

Deals found on 9/11

Showing 1-10 of 20 resultsSorted by cheapest first

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 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

How long is the flight from St. Louis to Kolkata?
Qatar Airways can get you from St. Louis to Kolkata in just under 29h 38m. 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.

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Why should you use Cheapflights to find cheap flight tickets from St. Louis to Kolkata?

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Cheap flights from St. Louis to Kolkata from ₹ 48,843

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/2. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from St. Louis to Kolkata

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 11 November 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 11 November 2026.

Best flights from St. Louis to KolkataDiscover carefully curated flight deals from St. Louis to Kolkata that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 11 November 2026.

Discover carefully curated flight deals from St. Louis to Kolkata that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 11 November 2026.

Last-minute flights from St. Louis to KolkataDiscover last-minute flight deals from St. Louis to Kolkata. Data last updated 11 November 2026 and is based on user searches.

Discover last-minute flight deals from St. Louis to Kolkata. Data last updated 11 November 2026 and is based on user searches.

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 11 November 2026.

Search for one-way flight options from St. Louis to Kolkata. Find affordable one-way fares based on user searches. Data last updated 11 November 2026.

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Related info for your journey

How long is the flight from St. Louis to Kolkata?

Can I find deals for flights from St. Louis to Kolkata that include hotel bookings?

How can I find direct flights from St. Louis to Kolkata?

Can I find deals for business class flights from St. Louis to Kolkata?

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Alternative routes for St. Louis to Kolkata

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Complete your trip

Complete your trip to Kolkata by adding a car rental and/or hotel reservation to your travel itinerary.

Direct flights to West Bengal

Book a non-stop flight to one of these other cities located in West Bengal.

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Other flights to Kolkata

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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 11 November 2026.

Best flights from St. Louis to Kolkata
Discover carefully curated flight deals from St. Louis to Kolkata that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 11 November 2026.

Last-minute flights from St. Louis to Kolkata
Discover last-minute flight deals from St. Louis to Kolkata. Data last updated 11 November 2026 and is based on user searches.

One-way flights from St. Louis to Kolkata
Search for one-way flight options from St. Louis to Kolkata. Find affordable one-way fares based on user searches. Data last updated 11 November 2026.