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

Etihad Airways and Qatar Airways can get you from St. Louis to Kolkata in just under 21h 58m. Your travel time can differ by up to 20h 08m. The distance from St. Louis to Kolkata is about 13177 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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.

₹ 98,755+ 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

Last-minute

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 28 September 2026.

Sun 4/1006:30 -

2 stops33h 10m

Thu 10/1203:25 -

2 stops27h 27m

Deal found 23/9₹ 108,334

Sun 4/1008:30 -

2 stops55h 10m

Wed 9/1203:25 -

2 stops26h 22m

Deal found 24/9₹ 109,100

Thu 1/1014:11 -

2 stops25h 29m

Sun 25/1004:00 -

2 stops27h 27m

Deal found 23/9₹ 112,357

Tue 10/1111:35 -

2 stops26h 50m

Mon 16/1103:25 -

2 stops28h 24m

Deal found 26/9₹ 119,540

Thu 3/1211:34 -

2 stops26h 51m

Sat 19/1203:25 -

2 stops32h 21m

Deal found 25/9₹ 144,157

Wed 2/1205:00 -

2 stops33h 25m

Mon 18/103:25 -

2 stops31h 35m

Deal found 25/9₹ 147,797

Tue 10/1111:35 -

3 stops26h 50m

Tue 17/1121:20 -

3 stops31h 50m

Deal found 26/9₹ 158,717

Wed 2/1220:15 -

3 stops36h 10m

Mon 18/103:20 -

2 stops45h 24m

Deal found 25/9₹ 163,793

Sun 4/1008:55 -

3 stops33h 25m

Thu 10/1220:55 -

2 stops28h 20m

Deal found 25/9₹ 177,395

Find flight deals from St. Louis to Kolkata

Round-trip from	₹ 98,755

15/1-3/2
4 total stops
64h 25m total
St. Louis to Kolkata

Search Deals

Fly from

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Route

Depart

Return

Price

Cheapest return flight

St. LouisKolkata

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

STLCCU

Lambert-St Louis

Fri 15/1

06:48-02:25

2 stops32h 07m

Kolkata Netaji S. Chandra

Wed 3/2

21:00-17:48

2 stops32h 18m

₹ 98,755

Fastest return journey

St. LouisKolkata

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

STLCCU

Lambert-St Louis

Sat 30/1

10:27-19:55

2 stops21h 58m

Kolkata Netaji S. Chandra

Sat 13/2

21:00-18:08

2 stops32h 38m

₹ 98,851

St. LouisKolkata

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

STLCCU

Lambert-St Louis

Fri 15/1

10:27-19:55

2 stops21h 58m

Kolkata Netaji S. Chandra

Mon 1/2

03:20-13:30

2 stops45h 40m

₹ 101,629

St. LouisKolkata

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

STLCCU

Lambert-St Louis

Sat 16/1

07:27-19:55

2 stops24h 58m

Kolkata Netaji S. Chandra

Sat 30/1

21:00-18:40

2 stops33h 10m

₹ 112,357

St. LouisKolkata

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

STLCCU

Lambert-St Louis

Sat 9/1

20:19-01:55

2 stops42h 06m

Kolkata Netaji S. Chandra

Fri 22/1

03:25-22:31

2 stops30h 36m

₹ 132,759

St. LouisKolkata

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

STLCCU

Lambert-St Louis

Sat 9/1

13:45-01:55

2 stops24h 40m

Kolkata Netaji S. Chandra

Fri 22/1

03:25-23:57

2 stops32h 02m

₹ 134,866

St. LouisKolkata

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

STLCCU

Lambert-St Louis

Thu 3/12

11:34-01:55

2 stops26h 51m

Kolkata Netaji S. Chandra

Sat 19/12

03:25-00:16

2 stops32h 21m

₹ 144,157

St. LouisKolkata

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

STLCCU

Lambert-St Louis

Wed 2/12

05:00-01:55

2 stops33h 25m

Kolkata Netaji S. Chandra

Mon 18/1

03:25-23:30

2 stops31h 35m

₹ 147,797

St. LouisKolkata

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

STLCCU

Lambert-St Louis

Tue 10/11

11:35-01:55

3 stops26h 50m

Kolkata Netaji S. Chandra

Tue 17/11

21:20-17:40

3 stops31h 50m

₹ 158,717

St. LouisKolkata

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

STLCCU

Lambert-St Louis

Wed 2/12

20:15-19:55

3 stops36h 10m

Kolkata Netaji S. Chandra

Mon 18/1

03:20-13:14

2 stops45h 24m

₹ 163,793

Flights are sorted by cheapest return flights first.

Deals found on 27/9

Showing 1-10 of 11 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?
Etihad Airways and Qatar Airways can get you from St. Louis to Kolkata in just under 21h 58m. Your travel time can differ by up to 20h 08m. The distance from St. Louis to Kolkata is about 13177 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.
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 ₹ 98,755

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 15/1. 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 28 September 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 28 September 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 28 September 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 28 September 2026.

Last-minute flights from St. Louis to KolkataDiscover last-minute flight deals from St. Louis to Kolkata. Data last updated 28 September 2026 and is based on user searches.

Discover last-minute flight deals from St. Louis to Kolkata. Data last updated 28 September 2026 and is based on user searches.

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Best time to book a flight from St. Louis to Kolkata

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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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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.

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

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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 28 September 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 28 September 2026.

Last-minute flights from St. Louis to Kolkata
Discover last-minute flight deals from St. Louis to Kolkata. Data last updated 28 September 2026 and is based on user searches.