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Cheap flights from St. Louis to Kolkata from ₹ 69,808

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/6. Fares are subject to change and may not be available on all flights or dates of travel.
STL — CCU
15 Jun — 22 Jun1
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 16 May 2026.

Thu 9/709:39
STL
-
CCU
2 stops30h 51m
Multiple Airlines
Wed 22/721:30
CCU
-
STL
2 stops30h 22m
Multiple Airlines
Deal found 15/5₹ 104,616
Sun 13/909:46
STL
-
CCU
2 stops30h 14m
Qatar Airways
Thu 17/904:00
CCU
-
STL
2 stops29h 42m
Qatar Airways
Deal found 12/5₹ 105,574
Sat 27/615:55
STL
-
CCU
2 stops24h 05m
Multiple Airlines
Sat 4/704:00
CCU
-
STL
2 stops28h 42m
Multiple Airlines
Deal found 13/5₹ 122,163
Tue 19/506:00
STL
-
CCU
2 stops28h 00m
Multiple Airlines
Wed 10/621:30
CCU
-
STL
2 stops27h 02m
Multiple Airlines
Deal found 12/5₹ 139,328
Mon 18/515:43
STL
-
CCU
2 stops42h 17m
Etihad Airways
Wed 10/621:30
CCU
-
STL
2 stops26h 12m
Etihad Airways
Deal found 12/5₹ 139,999
Wed 1/717:03
STL
-
CCU
2 stops23h 27m
Etihad Airways
Sat 1/804:10
CCU
-
STL
2 stops39h 30m
Etihad Airways
Deal found 13/5₹ 142,684
Thu 9/713:13
STL
-
CCU
3 stops33h 07m
Lufthansa
Wed 22/722:00
CCU
-
STL
2 stops49h 55m
Lufthansa
Deal found 15/5₹ 155,149
Sat 23/507:05
STL
-
CCU
2 stops25h 40m
Emirates
Wed 10/620:55
CCU
-
STL
2 stops49h 46m
Emirates
Deal found 12/5₹ 155,629
Sat 16/520:03
STL
-
CCU
2 stops37h 57m
Etihad Airways
Tue 26/504:10
CCU
-
STL
2 stops25h 41m
Etihad Airways
Deal found 11/5₹ 163,300

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 16 May 2026.

Round-trip from

₹ 104,616

One-way from

₹ 69,808

Popular in

December

Cheapest in

May

Average price

₹ 106,054
9/7-22/7
  • 9/7-22/7
  • 4 total stops
  • 61h 13m total
  • St. Louis to Kolkata
Search Deals
11/6
  • 11/6
  • 2 total stops
  • 26h 57m total
  • St. Louis to Kolkata
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (₹ 515,072 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (₹ 226,634 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

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 May 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

Thu 9/7

09:39-03:00

2 stops30h 51m

Kolkata Netaji S. Chandra

Wed 22/7

21:30-17:22

2 stops30h 22m

₹ 104,616

St. LouisKolkata

STL - CCU

STLCCU

Lambert-St Louis

Sun 13/9

09:46-02:30

2 stops30h 14m

Kolkata Netaji S. Chandra

Thu 17/9

04:00-19:46

2 stops26h 16m

₹ 105,574

St. LouisKolkata

STL - CCU

STLCCU

Lambert-St Louis

Fri 9/10

05:33-02:30

2 stops34h 27m

Kolkata Netaji S. Chandra

Sat 24/10

04:00-20:08

2 stops26h 38m

₹ 107,876
Fastest return journey

St. LouisKolkata

STL - CCU

STLCCU

Lambert-St Louis

Thu 25/6

11:15-02:30

2 stops28h 45m

Kolkata Netaji S. Chandra

Fri 3/7

04:00-19:21

2 stops25h 51m

₹ 124,465

St. LouisKolkata

STL - CCU

STLCCU

Lambert-St Louis

Wed 1/7

17:03-03:00

2 stops23h 27m

Kolkata Netaji S. Chandra

Sat 1/8

04:10-09:10

2 stops39h 30m

₹ 142,684

St. LouisKolkata

STL - CCU

STLCCU

Lambert-St Louis

Fri 9/10

13:27-08:50

3 stops32h 53m

Kolkata Netaji S. Chandra

Sat 24/10

16:10-14:55

2 stops33h 15m

₹ 153,999

St. LouisKolkata

STL - CCU

STLCCU

Lambert-St Louis

Thu 9/7

13:25-05:00

3 stops29h 05m

Kolkata Netaji S. Chandra

Wed 22/7

19:15-00:16

3 stops39h 31m

₹ 174,711

St. LouisKolkata

STL - CCU

STLCCU

Lambert-St Louis

Thu 25/6

13:13-08:50

3 stops33h 07m

Kolkata Netaji S. Chandra

Fri 3/7

22:00-13:25

2 stops49h 55m

₹ 192,930
Cheapest one-way

St. LouisKolkata

STL - CCU

STLCCU

Lambert-St Louis

Thu 11/6

07:03-20:30

2 stops26h 57m

₹ 69,808

St. LouisKolkata

STL - CCU

STLCCU

Lambert-St Louis

Sat 13/6

17:06-16:55

3 stops37h 19m

₹ 85,342

Flights are sorted by cheapest return flights first.

Deals found on 15/5

Showing 1-10 of 13 resultsSorted by cheapest first
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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 30h 14m. 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

Browse thousands of different options on Cheapflights for your next trip

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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.
Kansas City to Kolkata flights
Columbia to Kolkata flights

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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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