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Cheap flights from St. Louis to Kolkata from ₹ 100,805

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 29/4. Fares are subject to change and may not be available on all flights or dates of travel.
STL — CCU
16 Dec — 23 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap 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 16 November 2025.

Round-trip from

₹ 100,805

Popular in

December

Cheapest in

September

Average price

₹ 111,533
Qatar Airways
  • Qatar Airways
  • 29/4-2/5
  • 4 total stops
  • 59h 54m total
  • St. Louis to Kolkata
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Highest demand for flights based on searches. 3% potential increase in price (₹ 393,414 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (₹ 173,558 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
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Find 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 16 November 2025.

Wed 24/1205:05STL - CCU
2 stops33h 20mMultiple Airlines
Tue 30/1203:25CCU - STL
2 stops30h 40mMultiple Airlines
Deal found 15/11₹ 225,370
Sun 14/1213:59STL - CCU
2 stops24h 26mQatar Airways
Fri 16/103:25CCU - STL
2 stops54h 49mQatar Airways
Deal found 15/11₹ 232,374
Sat 20/1218:00STL - CCU
2 stops44h 25mQatar Airways
Tue 30/1203:25CCU - STL
2 stops31h 20mQatar Airways
Deal found 15/11₹ 260,390
Sun 14/1215:13STL - CCU
2 stops28h 57mEmirates
Sat 17/120:25CCU - STL
2 stops37h 05mEmirates
Deal found 15/11₹ 293,105

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 16 November 2025.
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

Wed 29/4

10:00-02:20

2 stops29h 50m

Kolkata Netaji S. Chandra

Sat 2/5

03:50-23:24

2 stops30h 04m

₹ 100,805

St. LouisKolkata

STL - CCU

STLCCU

Lambert-St Louis

Wed 29/4

22:00-10:30

2 stops26h 00m

Kolkata Netaji S. Chandra

Sun 3/5

22:15-19:30

2 stops55h 45m

₹ 130,328

St. LouisKolkata

STL - CCU

STLCCU

Lambert-St Louis

Wed 24/12

05:05-01:55

2 stops33h 20m

Kolkata Netaji S. Chandra

Tue 30/12

03:25-22:35

2 stops30h 40m

₹ 225,370

St. LouisKolkata

STL - CCU

STLCCU

Lambert-St Louis

Sun 14/12

13:59-01:55

2 stops24h 26m

Kolkata Netaji S. Chandra

Fri 16/1

03:25-22:44

2 stops54h 49m

₹ 232,374

Flights are sorted by cheapest return flights first.

Deals found on 13/11

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 and British Airways can get you from St. Louis to Kolkata in just under 26h. Your travel time can differ by up to 3h 50m. 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.

See more FAQs

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Alternative routes for St. Louis to Kolkata

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

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

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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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