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Cheap flights from St. Louis to Kolkata from $1,091

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 7/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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
9:08 am - 3:00 am
STL
-
CCU
31h 22m
2 stops
Multiple Airlines Logo
9:30 pm - 12:16 am
CCU
-
STL
37h 16m
2 stops
$1,091Multiple Airlines
Wed, Jul 8 - Wed, Jul 15
Multiple Airlines Logo
6:00 am - 8:30 pm
STL
-
CCU
28h 00m
2 stops
Multiple Airlines Logo
9:30 pm - 7:21 pm
CCU
-
STL
32h 21m
2 stops
$1,395Multiple Airlines
Tue, May 19 - Wed, Jun 10
Multiple Airlines Logo
7:56 pm - 2:30 am
STL
-
CCU
44h 04m
2 stops
Multiple Airlines Logo
4:00 am - 2:43 pm
CCU
-
STL
45h 13m
2 stops
$1,440Multiple Airlines
Wed, Jun 24 - Wed, Aug 5
Multiple Airlines Logo
7:05 am - 8:30 pm
STL
-
CCU
26h 55m
2 stops
Multiple Airlines Logo
9:30 pm - 7:21 pm
CCU
-
STL
32h 21m
2 stops
$1,499Multiple Airlines
Sun, May 17 - Wed, Jun 10
Multiple Airlines Logo
7:31 am - 8:30 pm
STL
-
CCU
26h 29m
2 stops
Multiple Airlines Logo
4:10 am - 7:21 pm
CCU
-
STL
25h 41m
2 stops
$1,551Multiple Airlines
Sat, Jul 4 - Fri, Jul 31
Multiple Airlines Logo
7:05 am - 7:15 pm
STL
-
CCU
25h 40m
2 stops
Multiple Airlines Logo
9:50 am - 9:30 pm
CCU
-
STL
46h 10m
2 stops
$1,567Multiple Airlines
Sat, May 23 - Thu, Jun 11
Emirates Logo
7:05 am - 7:15 pm
STL
-
CCU
25h 40m
2 stops
Emirates Logo
8:55 pm - 12:11 pm
CCU
-
STL
49h 46m
2 stops
$1,626Emirates
Sat, May 23 - Wed, Jun 10
Lufthansa Logo
1:13 pm - 8:50 am
STL
-
CCU
33h 07m
3 stops
Lufthansa Logo
10:00 pm - 1:25 pm
CCU
-
STL
49h 55m
2 stops
$1,635Lufthansa
Wed, Jul 8 - Wed, Jul 15
Multiple Airlines Logo
7:03 am - 8:30 pm
STL
-
CCU
26h 57m
2 stops
Multiple Airlines Logo
4:10 am - 7:21 pm
CCU
-
STL
25h 41m
2 stops
$1,654Multiple Airlines
Tue, Jun 9 - Tue, Jun 16
Lufthansa Logo
1:24 pm - 4:50 am
STL
-
CCU
28h 56m
3 stops
Lufthansa Logo
10:00 pm - 1:25 pm
CCU
-
STL
25h 55m
2 stops
$1,684Lufthansa
Mon, May 18 - Thu, Jun 11

Lufthansa flights from St. Louis to Kolkata

Our best Lufthansa deals on St. Louis to Kolkata flight tickets
Lufthansa
May 18
STL1:24 pmLambert-St Louis
28h 56m
3 stops
CCU4:50 amKolkata Netaji S. Chandra
Jun 11
CCU10:00 pmKolkata Netaji S. Chandra
25h 55m
2 stops
STL1:25 pmLambert-St Louis
$1,684
Lufthansa
May 24
STL1:13 pmLambert-St Louis
33h 07m
3 stops
CCU8:50 amKolkata Netaji S. Chandra
Jun 4
CCU10:00 pmKolkata Netaji S. Chandra
25h 55m
2 stops
STL1:25 pmLambert-St Louis
$1,720
Lufthansa
May 24
STL1:13 pmLambert-St Louis
33h 07m
3 stops
CCU8:50 amKolkata Netaji S. Chandra
Jun 10
CCU10:00 pmKolkata Netaji S. Chandra
49h 55m
2 stops
STL1:25 pmLambert-St Louis
$1,744

Etihad Airways flights from St. Louis to Kolkata

Our best Etihad Airways deals on St. Louis to Kolkata flight tickets
Etihad Airways
May 20
STL8:03 pmLambert-St Louis
37h 57m
2 stops
CCU8:30 pmKolkata Netaji S. Chandra
Aug 4
CCU4:10 amKolkata Netaji S. Chandra
25h 41m
2 stops
STL7:21 pmLambert-St Louis
$1,869
Etihad Airways
May 22
STL7:51 pmLambert-St Louis
38h 09m
2 stops
CCU8:30 pmKolkata Netaji S. Chandra
Aug 3
CCU9:30 pmKolkata Netaji S. Chandra
25h 51m
2 stops
STL12:51 pmLambert-St Louis
$2,300

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 May 12, 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

Wed 7/8

9:08 am-3:00 am

2 stops31h 22m

Kolkata Netaji S. Chandra

Wed 7/15

9:30 pm-12:16 am

2 stops37h 16m

$1,091

St. LouisKolkata

STL - CCU

STLCCU

Lambert-St Louis

Tue 5/19

6:00 am-8:30 pm

2 stops28h 00m

Kolkata Netaji S. Chandra

Wed 6/10

9:30 pm-7:21 pm

2 stops32h 21m

$1,395

St. LouisKolkata

STL - CCU

STLCCU

Lambert-St Louis

Wed 6/24

7:56 pm-2:30 am

2 stops44h 04m

Kolkata Netaji S. Chandra

Wed 8/5

4:00 am-2:43 pm

2 stops45h 13m

$1,440

St. LouisKolkata

STL - CCU

STLCCU

Lambert-St Louis

Sun 5/17

7:05 am-8:30 pm

2 stops26h 55m

Kolkata Netaji S. Chandra

Wed 6/10

9:30 pm-7:21 pm

2 stops32h 21m

$1,499
Quickest round-trip

St. LouisKolkata

STL - CCU

STLCCU

Lambert-St Louis

Sat 7/4

7:31 am-8:30 pm

2 stops26h 29m

Kolkata Netaji S. Chandra

Fri 7/31

4:10 am-7:21 pm

2 stops25h 41m

$1,551

St. LouisKolkata

STL - CCU

STLCCU

Lambert-St Louis

Sat 5/23

7:05 am-7:15 pm

2 stops25h 40m

Kolkata Netaji S. Chandra

Thu 6/11

9:50 am-9:30 pm

2 stops46h 10m

$1,567

St. LouisKolkata

STL - CCU

STLCCU

Lambert-St Louis

Sat 5/23

7:05 am-7:15 pm

2 stops25h 40m

Kolkata Netaji S. Chandra

Wed 6/10

8:55 pm-12:11 pm

2 stops49h 46m

$1,626

St. LouisKolkata

STL - CCU

STLCCU

Lambert-St Louis

Wed 7/8

1:13 pm-8:50 am

3 stops33h 07m

Kolkata Netaji S. Chandra

Wed 7/15

10:00 pm-1:25 pm

2 stops49h 55m

$1,635

St. LouisKolkata

STL - CCU

STLCCU

Lambert-St Louis

Tue 6/9

7:03 am-8:30 pm

2 stops26h 57m

Kolkata Netaji S. Chandra

Tue 6/16

4:10 am-7:21 pm

2 stops25h 41m

$1,654

St. LouisKolkata

STL - CCU

STLCCU

Lambert-St Louis

Mon 5/18

1:24 pm-4:50 am

3 stops28h 56m

Kolkata Netaji S. Chandra

Thu 6/11

10:00 pm-1:25 pm

2 stops25h 55m

$1,684

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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?

What is the cheapest month to fly to Kolkata?

The month of June is, on average, the cheapest month to fly to Kolkata from St. Louis, with most prices found around $0. If you aren’t able to travel during the month of June, then book flights to Kolkata from St. Louis during May instead. Flights to Kolkata in May, while not as cheap as those in June, still average around $1,106.

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

Frequently asked questions about flying from St. Louis to Kolkata

  • 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 $1,075Free CancellationRating
7.4
3,728 reviews
Search Qatar Airways flights
American AirlinesPriceFrom $1,327Free CancellationRating
7.1
11,664 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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