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Cheap flights from St. Louis to Kolkata from $764

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 9/19. 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

Qatar Airways Logo
5:28 am - 2:20 amSTL-CCU
34h 22m2 stops
Qatar Airways Logo
3:25 am - 11:56 pmCCU-STL
32h 01m2 stops
$1,042Qatar Airways
Find Deal
Tue, Sep 23 - Mon, Dec 1
Qatar Airways Logo
2:50 pm - 1:55 amSTL-CCU
23h 35m2 stops
Qatar Airways Logo
3:25 am - 12:32 pmCCU-STL
44h 37m2 stops
$1,045Qatar Airways
Find Deal
Wed, Nov 5 - Tue, Dec 23
Logo
4:05 pm - 9:35 pmSTL-CCU
42h 00m3 stops
Logo
8:55 pm - 3:29 pmCCU-STL
54h 04m3 stops
$1,371
Find Deal
Thu, Jan 15 - Sun, Feb 8
Logo
4:05 pm - 4:15 amSTL-CCU
24h 40m2 stops
Logo
6:45 pm - 3:29 pmCCU-STL
32h 14m2 stops
$1,388
Find Deal
Thu, Jan 15 - Sun, Feb 8
Lufthansa Logo
3:30 pm - 9:00 amSTL-CCU
55h 00m2 stops
Lufthansa Logo
9:20 pm - 3:44 pmCCU-STL
28h 54m3 stops
$1,480Lufthansa
Find Deal
Wed, Oct 8 - Wed, Oct 15
Lufthansa Logo
12:31 pm - 9:00 amSTL-CCU
32h 59m3 stops
Lufthansa Logo
9:20 pm - 9:43 pmCCU-STL
35h 53m3 stops
$1,544Lufthansa
Find Deal
Wed, Nov 5 - Wed, Dec 24
Emirates Logo
3:23 pm - 8:10 amSTL-CCU
30h 17m2 stops
Emirates Logo
8:45 pm - 10:00 pmCCU-STL
35h 45m2 stops
$1,583Emirates
Find Deal
Wed, Oct 8 - Wed, Oct 15
British Airways Logo
12:53 pm - 7:25 amSTL-CCU
31h 02m3 stops
British Airways Logo
3:15 am - 9:04 pmCCU-STL
53h 19m3 stops
$1,598British Airways
Find Deal
Thu, Jan 15 - Sat, Feb 7
British Airways Logo
1:53 pm - 1:45 pmSTL-CCU
37h 22m3 stops
British Airways Logo
6:30 pm - 4:50 pmCCU-STL
33h 50m3 stops
$1,807British Airways
Find Deal
Tue, Sep 23 - Tue, Dec 2
Emirates Logo
3:23 pm - 8:10 amSTL-CCU
30h 17m2 stops
Emirates Logo
8:25 pm - 11:22 pmCCU-STL
37h 27m2 stops
$1,965Emirates
Find Deal
Sat, Oct 18 - Sat, Nov 1

Qatar Airways flights from St. Louis to Kolkata

Our best Qatar Airways deals on St. Louis to Kolkata flight tickets
Qatar Airways
Sep 23
STL5:28 amLambert-St Louis
34h 22m
2 stops
CCU2:20 amKolkata Netaji S. Chandra
Dec 1
CCU3:25 amKolkata Netaji S. Chandra
30h 32m
2 stops
STL10:27 pmLambert-St Louis
$1,042
Find similar
Qatar Airways
Nov 5
STL2:50 pmLambert-St Louis
23h 35m
2 stops
CCU1:55 amKolkata Netaji S. Chandra
Dec 23
CCU3:25 amKolkata Netaji S. Chandra
44h 37m
2 stops
STL12:32 pmLambert-St Louis
$1,045
Find similar
Qatar Airways
Oct 8
STL8:49 amLambert-St Louis
55h 01m
2 stops
CCU2:20 amKolkata Netaji S. Chandra
Oct 14
CCU3:50 amKolkata Netaji S. Chandra
30h 34m
2 stops
STL11:54 pmLambert-St Louis
$1,051
Find similar

Lufthansa flights from St. Louis to Kolkata

Our best Lufthansa deals on St. Louis to Kolkata flight tickets
Lufthansa
Oct 8
STL3:30 pmLambert-St Louis
55h 00m
2 stops
CCU9:00 amKolkata Netaji S. Chandra
Oct 15
CCU9:20 pmKolkata Netaji S. Chandra
28h 54m
3 stops
STL3:44 pmLambert-St Louis
$1,480
Find similar
Lufthansa
Nov 5
STL12:31 pmLambert-St Louis
32h 59m
3 stops
CCU9:00 amKolkata Netaji S. Chandra
Dec 24
CCU9:20 pmKolkata Netaji S. Chandra
35h 53m
3 stops
STL9:43 pmLambert-St Louis
$1,544
Find similar
Lufthansa
Nov 5
STL3:50 pmLambert-St Louis
29h 40m
2 stops
CCU9:00 amKolkata Netaji S. Chandra
Dec 24
CCU9:20 pmKolkata Netaji S. Chandra
35h 53m
3 stops
STL9:43 pmLambert-St Louis
$1,561
Find similar

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 September 11, 2025.
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

St. LouisKolkata

STL - CCU

STLCCU

Lambert-St Louis

Tue 9/23

5:28 am-2:20 am

2 stops34h 22m

Kolkata Netaji S. Chandra

Mon 12/1

3:25 am-11:56 pm

2 stops32h 01m

$1,042

St. LouisKolkata

STL - CCU

STLCCU

Lambert-St Louis

Wed 11/5

2:50 pm-1:55 am

2 stops23h 35m

Kolkata Netaji S. Chandra

Tue 12/23

3:25 am-12:32 pm

2 stops44h 37m

$1,045

St. LouisKolkata

STL - CCU

STLCCU

Lambert-St Louis

Thu 1/15

4:05 pm-9:35 pm

3 stops42h 00m

Kolkata Netaji S. Chandra

Sun 2/8

8:55 pm-3:29 pm

3 stops54h 04m

$1,371

St. LouisKolkata

STL - CCU

STLCCU

Lambert-St Louis

Thu 1/15

4:05 pm-4:15 am

2 stops24h 40m

Kolkata Netaji S. Chandra

Sun 2/8

6:45 pm-3:29 pm

2 stops32h 14m

$1,388

St. LouisKolkata

STL - CCU

STLCCU

Lambert-St Louis

Wed 10/8

3:30 pm-9:00 am

2 stops55h 00m

Kolkata Netaji S. Chandra

Wed 10/15

9:20 pm-3:44 pm

3 stops28h 54m

$1,480

St. LouisKolkata

STL - CCU

STLCCU

Lambert-St Louis

Wed 11/5

12:31 pm-9:00 am

3 stops32h 59m

Kolkata Netaji S. Chandra

Wed 12/24

9:20 pm-9:43 pm

3 stops35h 53m

$1,544

St. LouisKolkata

STL - CCU

STLCCU

Lambert-St Louis

Wed 10/8

3:23 pm-8:10 am

2 stops30h 17m

Kolkata Netaji S. Chandra

Wed 10/15

8:45 pm-10:00 pm

2 stops35h 45m

$1,583

St. LouisKolkata

STL - CCU

STLCCU

Lambert-St Louis

Thu 1/15

12:53 pm-7:25 am

3 stops31h 02m

Kolkata Netaji S. Chandra

Sat 2/7

3:15 am-9:04 pm

3 stops53h 19m

$1,598

St. LouisKolkata

STL - CCU

STLCCU

Lambert-St Louis

Tue 9/23

1:53 pm-1:45 pm

3 stops37h 22m

Kolkata Netaji S. Chandra

Tue 12/2

6:30 pm-4:50 pm

3 stops33h 50m

$1,807

St. LouisKolkata

STL - CCU

STLCCU

Lambert-St Louis

Sat 10/18

3:23 pm-8:10 am

2 stops30h 17m

Kolkata Netaji S. Chandra

Sat 11/1

8:25 pm-11:22 pm

2 stops37h 27m

$1,965

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?

What is the cheapest day to depart on your flight to Kolkata?

On average, the least expensive day to fly to Kolkata from St. Louis is on a Friday. momondo users have found tickets for Friday departures for as low as $1,276. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Kolkata on Sunday is $1,581.

What is the cheapest time of day to depart on your flight to Kolkata?

In the morning is the cheapest time of day to fly from St. Louis to Kolkata when you can find flight prices for as low as $1,270. Flying to Kolkata in the morning is an ideal time because this is during off-peak travel hours. Flights to Kolkata are more costly in the afternoon, with an average ticket price of $1,581. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

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

Direct flights

None
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 23h 03m.

  • 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
3,624 reviews
Search Qatar Airways flights
American AirlinesPriceFrom $1,327Free CancellationRating
7.2
10,000 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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