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Cheap flights from St. Louis to Kolkata from ₹ 98,352

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 24/9. Fares are subject to change and may not be available on all flights or dates of travel.
STL — CCU
13 Sep — 20 Sep1
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 14 August 2026.

Thu 24/911:01 -
2 stops29h 24m
Fri 23/1021:30 -
2 stops34h 13m
Deal found 12/8₹ 98,352
Thu 17/910:14 -
2 stops29h 46m
Mon 21/904:00 -
2 stops28h 13m
Deal found 11/8₹ 114,473
Thu 15/1005:00 -
2 stops34h 40m
Fri 30/1003:25 -
2 stops28h 18m
Deal found 14/8₹ 128,592
Thu 24/1206:14 -
2 stops32h 11m
Wed 27/103:25 -
2 stops27h 46m
Deal found 11/8₹ 145,953
Thu 24/1213:09 -
3 stops32h 01m
Thu 28/109:55 -
2 stops41h 01m
Deal found 11/8₹ 187,927
Mon 17/806:54 -
2 stops30h 51m
Wed 19/821:30 -
2 stops29h 23m
Deal found 13/8₹ 213,970
Fri 18/1213:22 -
3 stops47h 23m
Sat 16/121:00 -
2 stops28h 15m
Deal found 11/8₹ 215,496
Fri 11/1205:00 -
2 stops33h 55m
Sat 9/121:00 -
2 stops35h 38m
Deal found 9/8₹ 225,226
Thu 15/1013:06 -
3 stops29h 24m
Sat 31/1022:30 -
3 stops54h 47m
Deal found 14/8₹ 226,180

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 14 August 2026.

Round-trip from

₹ 98,352

Popular in

December

Cheapest in

May

Average price

₹ 119,911
16/1-30/1
  • 16/1-30/1
  • 4 total stops
  • 56h 59m total
  • St. Louis to Kolkata
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (₹ 434,029 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (₹ 181,837 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 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 14 August 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

Price

Cheapest return flight
Fastest return journey

St. LouisKolkata

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

STLCCU

Lambert-St Louis

Sat 16/1

05:00-19:55

2 stops27h 25m

Kolkata Netaji S. Chandra

Sat 30/1

21:00-15:04

2 stops29h 34m

₹ 98,352

St. LouisKolkata

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

STLCCU

Lambert-St Louis

Fri 29/1

11:31-02:25

2 stops27h 24m

Kolkata Netaji S. Chandra

Fri 26/2

21:00-19:30

2 stops34h 00m

₹ 98,352

St. LouisKolkata

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

STLCCU

Lambert-St Louis

Thu 24/9

11:01-02:55

2 stops29h 24m

Kolkata Netaji S. Chandra

Fri 23/10

21:30-21:13

2 stops34h 13m

₹ 98,352

St. LouisKolkata

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

STLCCU

Lambert-St Louis

Fri 29/1

11:31-02:25

2 stops27h 24m

Kolkata Netaji S. Chandra

Thu 25/2

03:20-18:08

2 stops50h 18m

₹ 101,213

St. LouisKolkata

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

STLCCU

Lambert-St Louis

Sat 9/1

05:00-19:55

2 stops27h 25m

Kolkata Netaji S. Chandra

Sat 23/1

21:00-15:04

2 stops29h 34m

₹ 113,329

St. LouisKolkata

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

STLCCU

Lambert-St Louis

Thu 17/9

10:14-02:30

2 stops29h 46m

Kolkata Netaji S. Chandra

Mon 21/9

04:00-21:43

2 stops28h 13m

₹ 114,473

St. LouisKolkata

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

STLCCU

Lambert-St Louis

Thu 15/10

05:00-02:10

2 stops34h 40m

Kolkata Netaji S. Chandra

Fri 30/10

03:25-21:13

2 stops28h 18m

₹ 128,592

St. LouisKolkata

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

STLCCU

Lambert-St Louis

Thu 24/12

06:14-01:55

2 stops32h 11m

Kolkata Netaji S. Chandra

Wed 27/1

03:25-19:41

2 stops27h 46m

₹ 145,953
Cheapest one-way

St. LouisKolkata

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

STLCCU

Lambert-St Louis

Thu 3/12

06:00-01:55

2 stops32h 25m

₹ 424,028
Fastest single journey

St. LouisKolkata

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

STLCCU

Lambert-St Louis

Fri 4/12

12:58-01:55

2 stops25h 27m

₹ 434,426

Flights are sorted by cheapest return flights first.

Deals found on 11/8

Sorted 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.
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 29h 46m. 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

See prices for flight routes from nearby airports that may be better suited for you.
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Columbia to Kolkata flights

Fly with Cheapflights

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How does Cheapflights help users find flights from St. Louis to Kolkata?

Deals for St. Louis to Kolkata flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from St. Louis to Kolkata.

Can Cheapflights find flights from St. Louis to Kolkata with no change fees?

Yes! Cheapflights helps users easily find flights from St. Louis to Kolkata with no change fees.

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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