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Cheap flights from St. Louis to Kolkata from ₹ 88,317

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 26/4. Fares are subject to change and may not be available on all flights or dates of travel.
STL — CCU
1 May — 8 May1
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 1 April 2026.

Sun 26/407:00
STL
-
CCU
2 stops33h 40m
Multiple Airlines
Sun 3/521:30
CCU
-
STL
2 stops32h 30m
Multiple Airlines
Deal found 28/3₹ 88,317
Wed 6/507:00
STL
-
CCU
2 stops33h 30m
Multiple Airlines
Wed 27/521:30
CCU
-
STL
2 stops26h 15m
Multiple Airlines
Deal found 30/3₹ 90,194
Sun 26/414:33
STL
-
CCU
2 stops25h 27m
Qatar Airways
Sun 3/504:00
CCU
-
STL
2 stops28h 49m
Qatar Airways
Deal found 28/3₹ 99,297
Mon 6/405:15
STL
-
CCU
2 stops34h 10m
Qatar Airways
Wed 8/403:25
CCU
-
STL
2 stops29h 29m
Qatar Airways
Deal found 29/3₹ 102,958
Wed 29/412:27
STL
-
CCU
2 stops51h 33m
Qatar Airways
Sun 3/504:00
CCU
-
STL
2 stops28h 49m
Qatar Airways
Deal found 31/3₹ 105,116
Sun 17/507:00
STL
-
CCU
2 stops27h 00m
Multiple Airlines
Mon 8/621:30
CCU
-
STL
2 stops27h 26m
Multiple Airlines
Deal found 1/4₹ 129,988
Wed 13/512:27
STL
-
CCU
2 stops27h 33m
Qatar Airways
Thu 13/804:00
CCU
-
STL
2 stops30h 29m
Qatar Airways
Deal found 28/3₹ 133,554
Thu 14/511:06
STL
-
CCU
2 stops28h 54m
Qatar Airways
Thu 21/504:00
CCU
-
STL
2 stops30h 24m
Qatar Airways
Deal found 30/3₹ 133,648
Thu 28/514:36
STL
-
CCU
2 stops25h 24m
Qatar Airways
Fri 31/704:00
CCU
-
STL
2 stops30h 26m
Qatar Airways
Deal found 28/3₹ 141,532
Mon 18/507:05
STL
-
CCU
2 stops38h 35m
Multiple Airlines
Mon 8/609:50
CCU
-
STL
2 stops45h 56m
Multiple Airlines
Deal found 1/4₹ 141,907

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 1 April 2026.

Round-trip from

₹ 88,317

Popular in

December

Cheapest in

February

Average price

₹ 122,010
26/4-3/5
  • 26/4-3/5
  • 4 total stops
  • 66h 10m total
  • St. Louis to Kolkata
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (₹ 292,780 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (₹ 170,014 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 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 1 April 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

St. LouisKolkata

STL - CCU

STLCCU

Lambert-St Louis

Sun 26/4

07:00-03:10

2 stops33h 40m

Kolkata Netaji S. Chandra

Sun 3/5

21:30-19:30

2 stops32h 30m

₹ 88,317

St. LouisKolkata

STL - CCU

STLCCU

Lambert-St Louis

Wed 6/5

09:10-03:00

2 stops31h 20m

Kolkata Netaji S. Chandra

Wed 27/5

21:30-13:15

2 stops26h 15m

₹ 90,194
Fastest return journey

St. LouisKolkata

STL - CCU

STLCCU

Lambert-St Louis

Sun 26/4

14:33-02:30

2 stops25h 27m

Kolkata Netaji S. Chandra

Sun 3/5

04:00-22:19

2 stops28h 49m

₹ 99,297

St. LouisKolkata

STL - CCU

STLCCU

Lambert-St Louis

Wed 29/4

12:27-02:30

2 stops27h 33m

Kolkata Netaji S. Chandra

Sun 3/5

04:00-23:46

2 stops30h 16m

₹ 102,958

St. LouisKolkata

STL - CCU

STLCCU

Lambert-St Louis

Sun 17/5

07:00-20:30

2 stops27h 00m

Kolkata Netaji S. Chandra

Mon 8/6

21:30-14:26

2 stops27h 26m

₹ 129,988

St. LouisKolkata

STL - CCU

STLCCU

Lambert-St Louis

Thu 28/5

14:36-02:30

2 stops25h 24m

Kolkata Netaji S. Chandra

Fri 31/7

04:00-23:56

2 stops30h 26m

₹ 141,532

St. LouisKolkata

STL - CCU

STLCCU

Lambert-St Louis

Mon 18/5

07:05-08:10

2 stops38h 35m

Kolkata Netaji S. Chandra

Mon 8/6

09:50-21:16

2 stops45h 56m

₹ 141,907

Flights are sorted by cheapest return flights first.

Deals found on 28/3

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.

Cheapflights Insights

Everything you need to know about your flight from St. Louis to Kolkata

How much does it cost for a return flight from St. Louis to Kolkata?

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 25h 27m. 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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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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