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Cheap flights from St. Louis to Kolkata from ₹ 59,459

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Kolkata departing on 19/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from St. Louis to Kolkata

Cheap return flights

Enter your travel dates to find the best prices.
Qatar Airways Logo
11:01 - 02:30
STL
-
CCU
28h 59m
2 stops
Qatar Airways Logo
04:00 - 21:43
CCU
-
STL
28h 13m
2 stops
₹ 115,988Qatar Airways
Thu, 17 Sep - Mon, 21 Sep
Etihad Airways Logo
09:25 - 20:30
STL
-
CCU
24h 35m
2 stops
Etihad Airways Logo
03:50 - 00:16
CCU
-
STL
30h 56m
2 stops
₹ 118,918Etihad Airways
Tue, 21 Jul - Mon, 27 Jul
Multiple Airlines Logo
05:10 - 02:55
STL
-
CCU
35h 15m
2 stops
Multiple Airlines Logo
21:30 - 19:30
CCU
-
STL
32h 30m
2 stops
₹ 120,147Multiple Airlines
Sun, 2 Aug - Sun, 9 Aug
Qatar Airways Logo
05:10 - 01:55
STL
-
CCU
33h 15m
2 stops
Qatar Airways Logo
03:25 - 22:59
CCU
-
STL
31h 04m
2 stops
₹ 162,307Qatar Airways
Tue, 8 Dec - Tue, 12 Jan
British Airways Logo
14:54 - 15:10
STL
-
CCU
36h 46m
3 stops
British Airways Logo
22:30 - 10:22
CCU
-
STL
47h 22m
3 stops
₹ 175,730British Airways
Tue, 8 Dec - Wed, 13 Jan
Lufthansa Logo
19:05 - 08:50
STL
-
CCU
51h 15m
3 stops
Lufthansa Logo
22:00 - 13:25
CCU
-
STL
25h 55m
2 stops
₹ 190,949Lufthansa
Sun, 2 Aug - Sun, 9 Aug
Lufthansa Logo
13:13 - 04:50
STL
-
CCU
29h 07m
3 stops
Lufthansa Logo
22:00 - 13:25
CCU
-
STL
25h 55m
2 stops
₹ 191,233Lufthansa
Tue, 21 Jul - Tue, 28 Jul
Multiple Airlines Logo
12:10 - 08:15
STL
-
CCU
33h 35m
3 stops
Multiple Airlines Logo
13:30 - 13:25
CCU
-
STL
34h 25m
3 stops
₹ 195,298Multiple Airlines
Tue, 21 Jul - Tue, 28 Jul
Multiple Airlines Logo
13:08 - 08:40
STL
-
CCU
32h 02m
3 stops
Multiple Airlines Logo
09:55 - 15:30
CCU
-
STL
41h 05m
2 stops
₹ 198,795Multiple Airlines
Tue, 8 Dec - Wed, 13 Jan
Multiple Airlines Logo
08:55 - 02:55
STL
-
CCU
31h 30m
3 stops
Multiple Airlines Logo
21:30 - 14:04
CCU
-
STL
27h 04m
3 stops
₹ 252,299Multiple Airlines
Sun, 2 Aug - Sun, 9 Aug

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Lufthansa flights from St. Louis to Kolkata

Our best Lufthansa deals on St. Louis to Kolkata flight tickets
Lufthansa
2 Aug
STL19:05Lambert-St Louis
51h 15m
3 stops
CCU08:50Kolkata Netaji S. Chandra
9 Aug
CCU22:00Kolkata Netaji S. Chandra
25h 55m
2 stops
STL13:25Lambert-St Louis
₹ 190,949
Lufthansa
21 Jul
STL13:13Lambert-St Louis
29h 07m
3 stops
CCU04:50Kolkata Netaji S. Chandra
28 Jul
CCU22:00Kolkata Netaji S. Chandra
25h 55m
2 stops
STL13:25Lambert-St Louis
₹ 191,233

Qatar Airways flights from St. Louis to Kolkata

Our best Qatar Airways deals on St. Louis to Kolkata flight tickets
Qatar Airways
17 Sept
STL11:01Lambert-St Louis
28h 59m
2 stops
CCU02:30Kolkata Netaji S. Chandra
21 Sept
CCU04:00Kolkata Netaji S. Chandra
28h 13m
2 stops
STL21:43Lambert-St Louis
₹ 115,988
Qatar Airways
8 Dec
STL05:10Lambert-St Louis
33h 15m
2 stops
CCU01:55Kolkata Netaji S. Chandra
12 Jan
CCU03:25Kolkata Netaji S. Chandra
31h 04m
2 stops
STL22:59Lambert-St Louis
₹ 162,307

momondo 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, momondo users made 59,053 searches. Data last updated 23 June 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 17/9

11:01-02:30

2 stops28h 59m

Kolkata Netaji S. Chandra

Mon 21/9

04:00-21:43

2 stops28h 13m

₹ 115,988

St. LouisKolkata

STL - CCU

STLCCU

Lambert-St Louis

Tue 21/7

09:25-20:30

2 stops24h 35m

Kolkata Netaji S. Chandra

Mon 27/7

03:50-00:16

2 stops30h 56m

₹ 118,918

St. LouisKolkata

STL - CCU

STLCCU

Lambert-St Louis

Sun 2/8

05:10-02:55

2 stops35h 15m

Kolkata Netaji S. Chandra

Sun 9/8

21:30-19:30

2 stops32h 30m

₹ 120,147

St. LouisKolkata

STL - CCU

STLCCU

Lambert-St Louis

Tue 8/12

05:10-01:55

2 stops33h 15m

Kolkata Netaji S. Chandra

Tue 12/1

03:25-22:59

2 stops31h 04m

₹ 162,307

St. LouisKolkata

STL - CCU

STLCCU

Lambert-St Louis

Tue 8/12

14:54-15:10

3 stops36h 46m

Kolkata Netaji S. Chandra

Wed 13/1

22:30-10:22

3 stops47h 22m

₹ 175,730

St. LouisKolkata

STL - CCU

STLCCU

Lambert-St Louis

Sun 2/8

19:05-08:50

3 stops51h 15m

Kolkata Netaji S. Chandra

Sun 9/8

22:00-13:25

2 stops25h 55m

₹ 190,949
Fastest return journey

St. LouisKolkata

STL - CCU

STLCCU

Lambert-St Louis

Tue 21/7

13:13-04:50

3 stops29h 07m

Kolkata Netaji S. Chandra

Tue 28/7

22:00-13:25

2 stops25h 55m

₹ 191,233

St. LouisKolkata

STL - CCU

STLCCU

Lambert-St Louis

Tue 21/7

12:10-08:15

3 stops33h 35m

Kolkata Netaji S. Chandra

Tue 28/7

13:30-13:25

3 stops34h 25m

₹ 195,298

St. LouisKolkata

STL - CCU

STLCCU

Lambert-St Louis

Tue 8/12

13:08-08:40

3 stops32h 02m

Kolkata Netaji S. Chandra

Wed 13/1

09:55-15:30

2 stops41h 05m

₹ 198,795

St. LouisKolkata

STL - CCU

STLCCU

Lambert-St Louis

Sun 2/8

08:55-02:55

3 stops31h 30m

Kolkata Netaji S. Chandra

Sun 9/8

21:30-14:04

3 stops27h 04m

₹ 252,299

Flights are sorted by cheapest return flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
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See travel insights to Kolkata from

How to get the cheapest flight ticket from St. Louis to Kolkata

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Kolkata?

If you are unable to visit Kolkata during the month of June, then departing from St. Louis during the month May is also very affordable. Most momondo users find prices during this month for around ₹ 104,360.

When to book flights from St. Louis to Kolkata

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to Kolkata according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap St. Louis to Kolkata (STL to CCU) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Kolkata

Fastest flight time

26h 30m

Direct flights

None
The fastest flight from St. Louis to Kolkata takes 26h 30m
There are no direct flights from St. Louis to Kolkata. There are no popular flight routes from St. Louis to Kolkata.
Search flight deals

Frequently asked questions about flying from St. Louis to Kolkata

  • How far is Lambert-St Louis to Kolkata Netaji S. Chandra by plane?

    The straight-line distance from Lambert-St Louis to Kolkata Netaji S. Chandra is 13200.2 km. By plane, this route typically takes 26h 30m.

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Kolkata Netaji S. Chandra Airport?

    Prices for flights from Lambert-St Louis Airport to Kolkata Netaji S. Chandra Airport are updated daily.

  • How old do you have to be to fly from Lambert-St Louis Airport to Kolkata Netaji S. Chandra Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Kolkata Netaji S. Chandra Airport.

  • What documentation or ID do you need to fly to Kolkata Netaji S. Chandra Airport?

    The required travel and health documents for your Kolkata Netaji S. Chandra Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Kolkata Netaji S. Chandra Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Kolkata?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from St. Louis to Kolkata . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from St. Louis to Kolkata with flexible booking policies on momondo?

Flights from St. Louis to Kolkata with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from St. Louis to Kolkata?

Once you have performed a search for St. Louis to Kolkata flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from St. Louis to Kolkata right now. Can momondo alert me if prices change?

Price alerts on flights to Kolkata from St. Louis are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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