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Cheap flights from St. Louis to Kolkata from $945

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Kolkata departing on 5/3. 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

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Find the cheapest flights from St. Louis to Kolkata

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:00 am - 3:00 am
STL
-
CCU
33h 30m
2 stops
Multiple Airlines Logo
9:30 pm - 6:04 pm
CCU
-
STL
31h 04m
2 stops
$945Multiple Airlines
Sun, May 3 - Sun, May 10
Multiple Airlines Logo
9:10 am - 3:00 am
STL
-
CCU
31h 20m
2 stops
Multiple Airlines Logo
9:30 pm - 7:22 pm
CCU
-
STL
32h 22m
2 stops
$961Multiple Airlines
Wed, May 6 - Wed, May 27
Qatar Airways Logo
11:48 am - 2:30 am
STL
-
CCU
28h 12m
2 stops
Qatar Airways Logo
3:25 am - 11:15 pm
CCU
-
STL
30h 20m
2 stops
$1,041Qatar Airways
Wed, Aug 19 - Thu, Oct 29
Qatar Airways Logo
10:33 am - 2:30 am
STL
-
CCU
29h 27m
2 stops
Qatar Airways Logo
4:00 am - 10:17 pm
CCU
-
STL
28h 47m
2 stops
$1,057Qatar Airways
Mon, Apr 6 - Thu, Apr 9
Qatar Airways Logo
7:00 am - 2:30 am
STL
-
CCU
33h 00m
2 stops
Qatar Airways Logo
4:00 am - 11:46 pm
CCU
-
STL
30h 16m
2 stops
$1,077Qatar Airways
Mon, Apr 6 - Thu, Apr 9
Multiple Airlines Logo
8:54 am - 8:30 pm
STL
-
CCU
25h 06m
2 stops
Multiple Airlines Logo
4:10 am - 11:56 pm
CCU
-
STL
30h 16m
3 stops
$1,135Multiple Airlines
Sun, May 3 - Sun, May 10
Multiple Airlines Logo
9:39 am - 3:00 am
STL
-
CCU
30h 51m
2 stops
Multiple Airlines Logo
9:30 pm - 11:51 pm
CCU
-
STL
36h 51m
2 stops
$1,224Multiple Airlines
Wed, Jul 1 - Wed, Aug 5
Multiple Airlines Logo
1:24 pm - 4:50 am
STL
-
CCU
28h 56m
3 stops
Multiple Airlines Logo
4:10 pm - 8:09 pm
CCU
-
STL
38h 29m
2 stops
$1,510Multiple Airlines
Wed, May 6 - Wed, May 27
Lufthansa Logo
1:10 pm - 8:50 am
STL
-
CCU
33h 10m
3 stops
Lufthansa Logo
10:00 pm - 1:25 pm
CCU
-
STL
49h 55m
2 stops
$1,515Lufthansa
Wed, Apr 15 - Mon, May 25
Lufthansa Logo
1:10 pm - 8:50 am
STL
-
CCU
33h 10m
3 stops
Lufthansa Logo
10:00 pm - 3:46 pm
CCU
-
STL
52h 16m
3 stops
$1,525Lufthansa
Wed, Apr 15 - Mon, May 25

Qatar Airways flights from St. Louis to Kolkata

Our best Qatar Airways deals on St. Louis to Kolkata flight tickets
Qatar Airways
Aug 19
STL11:48 amLambert-St Louis
28h 12m
2 stops
CCU2:30 amKolkata Netaji S. Chandra
Oct 29
CCU3:25 amKolkata Netaji S. Chandra
30h 20m
2 stops
STL11:15 pmLambert-St Louis
$1,041
Qatar Airways
Apr 6
STL10:33 amLambert-St Louis
29h 27m
2 stops
CCU2:30 amKolkata Netaji S. Chandra
Apr 9
CCU4:00 amKolkata Netaji S. Chandra
28h 47m
2 stops
STL10:17 pmLambert-St Louis
$1,057
Qatar Airways
Mar 29
STL6:20 pmLambert-St Louis
45h 40m
2 stops
CCU2:30 amKolkata Netaji S. Chandra
Apr 4
CCU4:00 amKolkata Netaji S. Chandra
27h 41m
2 stops
STL9:11 pmLambert-St Louis
$1,063

Lufthansa flights from St. Louis to Kolkata

Our best Lufthansa deals on St. Louis to Kolkata flight tickets
Lufthansa
Apr 15
STL1:10 pmLambert-St Louis
33h 10m
3 stops
CCU8:50 amKolkata Netaji S. Chandra
May 25
CCU10:00 pmKolkata Netaji S. Chandra
49h 55m
2 stops
STL1:25 pmLambert-St Louis
$1,515
Lufthansa
Apr 15
STL1:10 pmLambert-St Louis
33h 10m
3 stops
CCU8:50 amKolkata Netaji S. Chandra
May 25
CCU10:00 pmKolkata Netaji S. Chandra
52h 16m
3 stops
STL3:46 pmLambert-St Louis
$1,525
Lufthansa
May 6
STL11:34 amLambert-St Louis
34h 46m
3 stops
CCU8:50 amKolkata Netaji S. Chandra
May 27
CCU10:00 pmKolkata Netaji S. Chandra
52h 16m
3 stops
STL3:46 pmLambert-St Louis
$1,702

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated March 23, 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 round-trip

St. LouisKolkata

STL - CCU

STLCCU

Lambert-St Louis

Sun 5/3

7:00 am-3:00 am

2 stops33h 30m

Kolkata Netaji S. Chandra

Sun 5/10

9:30 pm-6:04 pm

2 stops31h 04m

$945

St. LouisKolkata

STL - CCU

STLCCU

Lambert-St Louis

Wed 5/6

9:10 am-3:00 am

2 stops31h 20m

Kolkata Netaji S. Chandra

Wed 5/27

9:30 pm-7:22 pm

2 stops32h 22m

$961

St. LouisKolkata

STL - CCU

STLCCU

Lambert-St Louis

Wed 8/19

11:48 am-2:30 am

2 stops28h 12m

Kolkata Netaji S. Chandra

Thu 10/29

3:25 am-11:15 pm

2 stops30h 20m

$1,041

St. LouisKolkata

STL - CCU

STLCCU

Lambert-St Louis

Mon 4/6

10:33 am-2:30 am

2 stops29h 27m

Kolkata Netaji S. Chandra

Thu 4/9

4:00 am-10:17 pm

2 stops28h 47m

$1,057

St. LouisKolkata

STL - CCU

STLCCU

Lambert-St Louis

Mon 4/6

7:00 am-2:30 am

2 stops33h 00m

Kolkata Netaji S. Chandra

Thu 4/9

4:00 am-11:46 pm

2 stops30h 16m

$1,077
Quickest round-trip

St. LouisKolkata

STL - CCU

STLCCU

Lambert-St Louis

Sun 5/3

8:54 am-8:30 pm

2 stops25h 06m

Kolkata Netaji S. Chandra

Sun 5/10

4:10 am-11:56 pm

3 stops30h 16m

$1,135

St. LouisKolkata

STL - CCU

STLCCU

Lambert-St Louis

Wed 7/1

9:39 am-3:00 am

2 stops30h 51m

Kolkata Netaji S. Chandra

Wed 8/5

9:30 pm-11:51 pm

2 stops36h 51m

$1,224

St. LouisKolkata

STL - CCU

STLCCU

Lambert-St Louis

Wed 5/6

1:24 pm-4:50 am

3 stops28h 56m

Kolkata Netaji S. Chandra

Wed 5/27

4:10 pm-8:09 pm

2 stops38h 29m

$1,510

St. LouisKolkata

STL - CCU

STLCCU

Lambert-St Louis

Wed 4/15

1:10 pm-8:50 am

3 stops33h 10m

Kolkata Netaji S. Chandra

Mon 5/25

10:00 pm-1:25 pm

2 stops49h 55m

$1,515

St. LouisKolkata

STL - CCU

STLCCU

Lambert-St Louis

Wed 4/15

1:10 pm-8:50 am

3 stops33h 10m

Kolkata Netaji S. Chandra

Mon 5/25

10:00 pm-3:46 pm

3 stops52h 16m

$1,525

Flights are sorted by cheapest round-trip 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 typical price of a round-trip flight between St. Louis and Kolkata?

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 round-trip 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

28h 00m

Direct flights

None
The fastest flight from St. Louis to Kolkata takes 28h 00m
There are no direct flights from St. Louis to Kolkata. There are no popular flight routes from St. Louis to Kolkata.
Search flight deals

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

    Kolkata Netaji S. Chandra is 8202.2 mi away from Lambert-St Louis. By plane, this route typically takes 28h 00m.

  • 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 refreshed on a daily basis.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Kolkata Netaji S. Chandra Airport?

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to 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 travel and health documents required for your trip to Kolkata Netaji S. Chandra Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Kolkata Netaji S. Chandra Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from St. Louis to Kolkata?

Best airlines flying from St. Louis to Kolkata

Compare and see reviews for airlines that fly from St. Louis to Kolkata with momondo
Airline
Rating
Free Cancellation
Price
Qatar AirwaysPriceFrom $1,116Free CancellationRating
7.4
3,732 reviews
Search Qatar Airways flights
American AirlinesPriceFrom $1,327Free CancellationRating
7.1
11,487 reviews
Search American Airlines flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Kolkata from St. Louis.

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

Yes. All flights to Kolkata from St. Louis on momondo can be compared and filtered by various policies on offer, including flexible booking.

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?

Yes momondo offers price alerts on flights to Kolkata from St. Louis. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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