$400 - Flight tickets from Saint louis(STL) to Kolkata(CCU)
06:15 AM on May 19, 2026 STL
2 Stops {EWR | DEL} | Trip Duration: 46 hr 35 min
03:20 PM on May 21, 2026 CCU
United Airlines 3621 / 82 | Air India 2767
Book flights from STL to CCU at 06:15 AM with United Airlines on May 19, 2026
$400
Hurry! Only 1 seat left at this fare
11:34 AM on May 19, 2026 STL
2 Stops {EWR | DEL} | Trip Duration: 30 hr 46 min
04:50 AM on May 21, 2026 CCU
United Airlines 3573 / 82 | Air India 2702
Book flights from STL to CCU at 11:34 AM with United Airlines on May 19, 2026
$967.31
Hurry! Only 3 seats left at this fare
01:24 PM on May 19, 2026 STL
3 Stops {ORD | MUC | DEL} | Trip Duration: 28 hr 56 min
04:50 AM on May 21, 2026 CCU
Flight 8923 operated by GOJET AIRLINES FOR UNITED EXPRESS FOR UNITED AIRLINES | Flight 9269 operated by United Airlines | Flight 5286 operated by Air India Lufthansa 8923 / 9269 / 762 / 5286
Book flights from STL to CCU at 01:24 PM with Lufthansa on May 19, 2026
$1028.10
Hurry! Only 1 seat left at this fare
07:09 PM on May 19, 2026 STL
3 Stops {ORD | MUC | DEL} | Trip Duration: 51 hr 11 min
08:50 AM on May 22, 2026 CCU
Flight 8793 operated by GOJET AIRLINES FOR UNITED EXPRESS FOR UNITED AIRLINES | Flight 9269 operated by United Airlines | Flight 5286 operated by Air India Lufthansa 8793 / 9269 / 762 / 5286
Book flights from STL to CCU at 07:09 PM with Lufthansa on May 19, 2026
$1311.00
Hurry! Only 4 seats left at this fare
03:20 PM on May 19, 2026 STL
3 Stops {ORD | MUC | DEL} | Trip Duration: 27 hr 00 min
04:50 AM on May 21, 2026 CCU
Flight 4487 operated by GOJET AIRLINES DBA UNITED EXPRESS | Flight 9269 operated by United Airlines | Flight 5286 operated by Air India United Airlines 4487 | Lufthansa 9269 / 762 / 5286
Book flights from STL to CCU at 03:20 PM with Lufthansa on May 19, 2026
$1542.15
Hurry! Only 3 seats left at this fare
01:24 PM on May 19, 2026 STL
3 Stops {ORD | MUC | DEL} | Trip Duration: 56 hr 56 min
08:50 AM on May 22, 2026 CCU
Flight 8923 operated by GOJET AIRLINES FOR UNITED EXPRESS FOR UNITED AIRLINES | Flight 5286 operated by Air India Lufthansa 8923 / 435 / 762 / 5286
Book flights from STL to CCU at 01:24 PM with Lufthansa on May 19, 2026
$1622.94
Hurry! Only 2 seats left at this fare
07:05 AM on May 19, 2026 STL
2 Stops {ORD | AUH} | Trip Duration: 26 hr 55 min
08:30 PM on May 20, 2026 CCU
American Airlines 2444 | Etihad Airways 10 / 222
Book flights from STL to CCU at 07:05 AM with Etihad Airways on May 19, 2026
$1694.80
03:42 PM on May 19, 2026 STL
2 Stops {LGA | AUH} | Trip Duration: 48 hr 48 min
03:00 AM on May 22, 2026 CCU
Flight 4521 operated by REPUBLIC AIRWAYS AS AMERICAN EAGLE American Airlines 4521 | Etihad Airways 2 / 220
Book flights from STL to CCU at 03:42 PM with Etihad Airways on May 19, 2026
$1821.73
03:43 PM on May 19, 2026 STL
2 Stops {DCA | AUH} | Trip Duration: 48 hr 47 min
03:00 AM on May 22, 2026 CCU
Flight 5541 operated by PSA AIRLINES AS AMERICAN EAGLE American Airlines 5541 | Etihad Airways 6 / 220
Book flights from STL to CCU at 03:43 PM with Etihad Airways on May 19, 2026
$1825.89
05:49 PM on May 19, 2026 STL
2 Stops {BOS | AUH} | Trip Duration: 46 hr 41 min
03:00 AM on May 22, 2026 CCU
Flight 4224 operated by ENVOY AIR AS AMERICAN EAGLE American Airlines 4224 | Etihad Airways 8 / 220
Book flights from STL to CCU at 05:49 PM with Etihad Airways on May 19, 2026
$2316.10
02:15 PM on May 19, 2026 STL
2 Stops {YYZ | DEL} | Trip Duration: 35 hr 05 min
11:50 AM on May 21, 2026 CCU
Flight 8888 operated by AIR CANADA EXPRESS - JAZZ Air Canada 8888 / 42 | Air India 1791
Book flights from STL to CCU at 02:15 PM with Air Canada on May 19, 2026
$2326.70
Hurry! Only 2 seats left at this fare
07:05 AM on May 19, 2026 STL
2 Stops {YYZ | DEL} | Trip Duration: 35 hr 15 min
04:50 AM on May 21, 2026 CCU
Air Canada 1574 / 42 | Air India 2702
Book flights from STL to CCU at 07:05 AM with Air Canada on May 19, 2026
$2567.40
Hurry! Only 1 seat left at this fare
06:00 AM on May 19, 2026 STL
3 Stops {SEA | NRT | DEL} | Trip Duration: 41 hr 10 min
09:40 AM on May 21, 2026 CCU
Flight 5439 operated by ALASKA | Flight 9080 operated by IndiGo Japan Airlines 5439 / 67 / 749 / 9080
Book flights from STL to CCU at 06:00 AM with Japan Airlines on May 19, 2026
$2670.40
Hurry! Only 4 seats left at this fare
06:21 AM on May 19, 2026 STL
3 Stops {LAX | HND | DEL} | Trip Duration: 52 hr 54 min
09:45 PM on May 21, 2026 CCU
Flight 7537 operated by SKYWEST AIRLINES AS AMERICAN EAGLE | Flight 7017 operated by American Airlines | Flight 9603 operated by IndiGo Japan Airlines 7537 / 7017 / 39 / 9603
Book flights from STL to CCU at 06:21 AM with Japan Airlines on May 19, 2026
$2892.40
Hurry! Only 4 seats left at this fare
07:05 AM on May 19, 2026 STL
3 Stops {ORD | HND | DEL} | Trip Duration: 52 hr 10 min
09:45 PM on May 21, 2026 CCU
Flight 7683 operated by American Airlines | Flight 9603 operated by IndiGo Japan Airlines 7683 / 9 / 39 / 9603
Book flights from STL to CCU at 07:05 AM with Japan Airlines on May 19, 2026
$2943.40
Hurry! Only 4 seats left at this fare
07:12 AM on May 19, 2026 STL
3 Stops {DFW | HND | DEL} | Trip Duration: 52 hr 03 min
09:45 PM on May 21, 2026 CCU
Flight 7254 operated by American Airlines | Flight 7013 operated by American Airlines | Flight 9603 operated by IndiGo Japan Airlines 7254 / 7013 / 39 / 9603
Book flights from STL to CCU at 07:12 AM with Japan Airlines on May 19, 2026
$6433.80
Hurry! Only 3 seats left at this fare
07:09 PM on May 19, 2026 STL
2 Stops {ORD | DXB} | Trip Duration: 61 hr 36 min
07:15 PM on May 22, 2026 CCU
Flight 4580 operated by GOJET AIRLINES DBA UNITED EXPRESS United Airlines 4580 | Emirates 236 / 572
Book flights from STL to CCU at 07:09 PM with Emirates on May 19, 2026
$6612.48
Hurry! Only 4 seats left at this fare
Prices observed in the past 7 days start at 400 for one-way flights and 1769.24 for round trips, for the specified period. Availability and prices are subject to change, and additional terms may apply.
This 'round trip flight' deal was found by Indian Eagle visitors 18hrs hours ago. Clicking on the 'Search Now' button will let you select your dates and customize your itinerary. The prices displayed are subject to availability and may change as per the selected travel dates.
STL 02:56 PM May 27, 2026
49 hr 29 min 
2 Stops
2 Stops CCU 02:55 AM May 30, 2026
CCU 03:50 AM Aug 07, 2026
26 hr 12 min 2 Stops
2 Stops STL 07:32 PM Aug 07, 2026
$1769.24
Found 18hrs ago
This 'round trip flight' deal was found by Indian Eagle visitors 20hrs hours ago. Clicking on the 'Search Now' button will let you select your dates and customize your itinerary. The prices displayed are subject to availability and may change as per the selected travel dates.
STL 06:00 AM May 27, 2026
34 hr 00 min 2 Stops
2 Stops CCU 02:30 AM May 29, 2026
CCU 04:00 AM Aug 07, 2026
46 hr 44 min 2 Stops
2 Stops STL 04:14 PM Aug 08, 2026
$1967.19
Found 20hrs ago
This 'round trip flight' deal was found by Indian Eagle visitors 20hrs hours ago. Clicking on the 'Search Now' button will let you select your dates and customize your itinerary. The prices displayed are subject to availability and may change as per the selected travel dates.
STL 06:00 AM May 27, 2026
39 hr 40 min 2 Stops
2 Stops CCU 08:10 AM May 29, 2026
CCU 09:50 AM Aug 07, 2026
46 hr 06 min 2 Stops
2 Stops STL 09:26 PM Aug 08, 2026
$2422.88
Found 20hrs ago
This 'round trip flight' deal was found by Indian Eagle visitors 18hrs hours ago. Clicking on the 'Search Now' button will let you select your dates and customize your itinerary. The prices displayed are subject to availability and may change as per the selected travel dates.
STL 07:05 PM May 27, 2026
47 hr 15 min 3 Stops
3 Stops CCU 04:50 AM May 30, 2026
CCU 09:00 PM Aug 07, 2026
50 hr 55 min 2 Stops
2 Stops STL 01:25 PM Aug 09, 2026
$2485.59
Found 18hrs ago
This 'one-way flight' deal was found by Indian Eagle visitors 18hrs hours ago. Clicking on the 'Search Now' button will let you select your dates and customize your itinerary. The prices displayed are subject to availability and may change as per the selected travel dates.
STL 06:15 AM May 19, 2026
46 hr 35 min 2 Stops
2 Stops CCU 03:20 PM May 21, 2026
$400
Found 18hrs ago
This 'one-way flight' deal was found by Indian Eagle visitors 20hrs hours ago. Clicking on the 'Search Now' button will let you select your dates and customize your itinerary. The prices displayed are subject to availability and may change as per the selected travel dates.
STL 01:24 PM May 19, 2026
28 hr 56 min 3 Stops
3 Stops CCU 04:50 AM May 21, 2026
$1028.10
Found 20hrs ago
This 'one-way flight' deal was found by Indian Eagle visitors 20hrs hours ago. Clicking on the 'Search Now' button will let you select your dates and customize your itinerary. The prices displayed are subject to availability and may change as per the selected travel dates.
STL 07:05 AM May 19, 2026
26 hr 55 min 2 Stops
2 Stops CCU 08:30 PM May 20, 2026
$1311.00
Found 20hrs ago
This 'one-way flight' deal was found by Indian Eagle visitors 18hrs hours ago. Clicking on the 'Search Now' button will let you select your dates and customize your itinerary. The prices displayed are subject to availability and may change as per the selected travel dates.
STL 07:05 AM May 19, 2026
35 hr 15 min 2 Stops
2 Stops CCU 04:50 AM May 21, 2026
$1622.94
Found 18hrs ago
This 'multi-city flight' deal was found by Indian Eagle visitors 18hrs hours ago. Clicking on the 'Search Now' button will let you select your dates and customize your itinerary. The prices displayed are subject to availability and may change as per the selected travel dates.
CCU 02:30 AM May 29, 2026
15 hr 45 min Non Stop
Non Stop LHR 07:45 AM May 30, 2026
ORD 11:14 AM Jun 02,2026
13 hr 35 min 1 Stop
1 Stop CCU 10:49 PM Jun 03,2026
$1006.17
Found 18hrs ago
This 'multi-city flight' deal was found by Indian Eagle visitors 20hrs hours ago. Clicking on the 'Search Now' button will let you select your dates and customize your itinerary. The prices displayed are subject to availability and may change as per the selected travel dates.
CCU 01:30 AM May 29, 2026
22 hr 00 min 1 Stop
1 Stop LHR 01:00 PM May 30, 2026
ORD 02:55 PM Jun 02,2026
06 hr 24 min 1 Stop
1 Stop CCU 07:19 PM Jun 03,2026
$1236.17
Found 20hrs ago
Find the Cheapest Day for Flights from STL to CCU
One-Way flights from STL to CCU
Round Trip from STL to CCU
Multi-City Flights from STL to CCU
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Can I enrol in the Indian Eagle rewards program before booking flights from Saint louis to Kolkata?
Yes, you can enrol in the reward program before booking flights from Saint louis to Kolkata, if you haven't already done so. Our reward program is carefully designed to offer you maximum benefits. You will earn reward points for every flight ticket purchased and these can later be redeemed to get discounts on future flight ticket booking.
Popular Cabin Class for Travel to Kolkata from Saint louis
Major airlines operating from Saint louis to Kolkata offer world-class services regardless of the cabin class you choose to travel. Indian Eagle customers flying from STL to CCU mostly prefer economy and premium economy class. Business travelers and senior citizens traveling to Kolkata from Saint louis usually prefer business class seats while some even book first class for a premium and comfortable experience. No matter which cabin class you prefer, booking your itinerary with Indian Eagle will give you the best airfare available. So, why wait? Book your cheap flights from Saint louis to Kolkata today!
What is the cost of a flight from Saint louis to Kolkata?
Flights from Saint louis to Kolkata can be expensive but if you choose Indian Eagle, you will be able to find the best available airfare. You just need to add the source city, destination city, travel dates and other required information and click on 'search flights'. You will be shown multiple deals from various airlines. You can choose one as per your preference and continue to the bookings page. The cost to fly to Kolkata from Saint louis at Indian Eagle is the lowest you will find online. To further save more, you can redeem your reward points.
Frequently Asked Questions:
Does Indian Eagle offer discounts on Saint louis to Kolkata flights?
Yes, Indian Eagle provides discounts on flights to Kolkata from Saint louis time and again. Subscribe to the Indian Eagle newsletter to stay informed about the latest offers.
Does Indian Eagle provide loyalty points when booking flights from Saint louis to Kolkata
Yes, the Indian Eagle Rewards Program has been carefully-designed to give passengers booking flights with us loyalty benefits. No matter if you travel from Saint louis to Kolkata or anywhere else, you gain Eagle Points every time you book with us.
Can I choose premium economy when booking Saint louis to Kolkata flights with Indian Eagle?
At present, premium economy is available on select routes and with select airlines only. You can contact the Indian Eagle customer care team to know if the airline you prefer is offering premium economy on flights from Saint louis to Kolkata.
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