$400 - Flight tickets from Buffalo(BUF) to Kolkata(CCU)
07:25 AM on Apr 16, 2026 BUF
2 Stops {BOS | AUH} | Trip Duration: 34 hr 05 min
03:00 AM on Apr 18, 2026 CCU
Flight 4788 operated by REPUBLIC AIRWAYS AS AMERICAN EAGLE American Airlines 4788 | Etihad Airways 8 / 220
Book flights from BUF to CCU at 07:25 AM with Etihad Airways on Apr 16, 2026
$400
06:14 AM on Apr 16, 2026 BUF
2 Stops {ORD | AUH} | Trip Duration: 28 hr 46 min
08:30 PM on Apr 17, 2026 CCU
American Airlines 3001 | Etihad Airways 10 / 222
Book flights from BUF to CCU at 06:14 AM with Etihad Airways on Apr 16, 2026
$497.00
07:02 PM on Apr 16, 2026 BUF
2 Stops {JFK | AUH} | Trip Duration: 46 hr 28 min
03:00 AM on Apr 19, 2026 CCU
Flight 8345 operated by JetBlue Airways Etihad Airways 8345 / 2 / 220
Book flights from BUF to CCU at 07:02 PM with Etihad Airways on Apr 16, 2026
$503.43
05:21 PM on Apr 16, 2026 BUF
2 Stops {BOS | AUH} | Trip Duration: 48 hr 09 min
03:00 AM on Apr 19, 2026 CCU
Flight 4774 operated by REPUBLIC AIRWAYS AS AMERICAN EAGLE American Airlines 4774 | Etihad Airways 8 / 220
Book flights from BUF to CCU at 05:21 PM with Etihad Airways on Apr 16, 2026
$503.62
05:21 PM on Apr 16, 2026 BUF
2 Stops {BOS | DOH} | Trip Duration: 23 hr 39 min
02:30 AM on Apr 18, 2026 CCU
Flight 4774 operated by REPUBLIC AIRWAYS AS AMERICAN EAGLE American Airlines 4774 | Qatar Airways 744 / 540
Book flights from BUF to CCU at 05:21 PM with Qatar Airways on Apr 16, 2026
$521.20
11:36 AM on Apr 16, 2026 BUF
2 Stops {ORD | DOH} | Trip Duration: 29 hr 24 min
02:30 AM on Apr 18, 2026 CCU
Flight 8700 operated by American Airlines Qatar Airways 8700 / 726 / 540
Book flights from BUF to CCU at 11:36 AM with Qatar Airways on Apr 16, 2026
$524.49
07:25 AM on Apr 16, 2026 BUF
2 Stops {BOS | DOH} | Trip Duration: 33 hr 35 min
02:30 AM on Apr 18, 2026 CCU
Flight 4788 operated by REPUBLIC AIRWAYS AS AMERICAN EAGLE American Airlines 4788 | Qatar Airways 744 / 540
Book flights from BUF to CCU at 07:25 AM with Qatar Airways on Apr 16, 2026
$532.92
07:02 PM on Apr 16, 2026 BUF
2 Stops {JFK | DOH} | Trip Duration: 21 hr 58 min
02:30 AM on Apr 18, 2026 CCU
Flight 3864 operated by JetBlue Airways Qatar Airways 3864 / 702 / 540
Book flights from BUF to CCU at 07:02 PM with Qatar Airways on Apr 16, 2026
$546.20
06:00 AM on Apr 16, 2026 BUF
2 Stops {EWR | DEL} | Trip Duration: 26 hr 55 min
06:25 PM on Apr 17, 2026 CCU
United Airlines 3489 | Air India 106 / 1733
Book flights from BUF to CCU at 06:00 AM with Air India on Apr 16, 2026
$653.70
06:00 AM on Apr 16, 2026 BUF
2 Stops {EWR | DEL} | Trip Duration: 36 hr 45 min
04:15 AM on Apr 18, 2026 CCU
Flight 3489 operated by REPUBLIC AIRWAYS DBA UNITED EXPRESS United Airlines 3489 | Air India 106 / 2702
Book flights from BUF to CCU at 06:00 AM with Air India on Apr 16, 2026
$719.70
Hurry! Only 4 seats left at this fare
06:00 AM on Apr 16, 2026 BUF
2 Stops {EWR | DEL} | Trip Duration: 28 hr 45 min
08:15 PM on Apr 17, 2026 CCU
Flight 3489 operated by REPUBLIC AIRWAYS DBA UNITED EXPRESS United Airlines 3489 | Air India 106 / 2403
Book flights from BUF to CCU at 06:00 AM with Air India on Apr 16, 2026
$754.70
06:00 AM on Apr 16, 2026 BUF
2 Stops {EWR | DEL} | Trip Duration: 32 hr 45 min
12:15 AM on Apr 18, 2026 CCU
United Airlines 3489 | Air India 106 / 2727
Book flights from BUF to CCU at 06:00 AM with Air India on Apr 16, 2026
$808.70
Hurry! Only 5 seats left at this fare
02:54 PM on Apr 16, 2026 BUF
3 Stops {IAD | MUC | DEL} | Trip Duration: 32 hr 16 min
08:40 AM on Apr 18, 2026 CCU
Flight 7751 operated by COMMUTEAIR FOR UNITED EXPRESS FOR UNITED AIRLINES | Flight 9281 operated by United Airlines | Flight 5286 operated by Air India Lufthansa 7751 / 9281 / 762 / 5286
Book flights from BUF to CCU at 02:54 PM with Lufthansa on Apr 16, 2026
$819.50
Hurry! Only 4 seats left at this fare
02:54 PM on Apr 16, 2026 BUF
3 Stops {IAD | FRA | DEL} | Trip Duration: 32 hr 16 min
08:40 AM on Apr 18, 2026 CCU
Flight 7751 operated by COMMUTEAIR FOR UNITED EXPRESS FOR UNITED AIRLINES | Flight 9411 operated by United Airlines | Flight 5294 operated by Air India | Flight 5286 operated by Air India Lufthansa 7751 / 9411 / 5294 / 5286
Book flights from BUF to CCU at 02:54 PM with Lufthansa on Apr 16, 2026
$829.50
Hurry! Only 4 seats left at this fare
02:54 PM on Apr 16, 2026 BUF
3 Stops {IAD | FRA | DEL} | Trip Duration: 32 hr 16 min
08:40 AM on Apr 18, 2026 CCU
Flight 7751 operated by COMMUTEAIR FOR UNITED EXPRESS FOR UNITED AIRLINES | Flight 5286 operated by Air India Lufthansa 7751 / 419 / 760 / 5286
Book flights from BUF to CCU at 02:54 PM with Lufthansa on Apr 16, 2026
$830.90
Hurry! Only 4 seats left at this fare
02:54 PM on Apr 16, 2026 BUF
3 Stops {IAD | MUC | DEL} | Trip Duration: 32 hr 16 min
08:40 AM on Apr 18, 2026 CCU
Flight 7751 operated by COMMUTEAIR FOR UNITED EXPRESS FOR UNITED AIRLINES | Flight 9281 operated by United Airlines | Flight 5286 operated by Air India Lufthansa 7751 / 9281 / 762 / 5286
Book flights from BUF to CCU at 02:54 PM with Lufthansa on Apr 16, 2026
$835.70
Hurry! Only 4 seats left at this fare
02:54 PM on Apr 16, 2026 BUF
3 Stops {IAD | ZRH | DEL} | Trip Duration: 27 hr 51 min
04:15 AM on Apr 18, 2026 CCU
Flight 4291 operated by COMMUTEAIR DBA UNITED EXPRESS | Flight 9858 operated by Air India United Airlines 4291 | SWISS 73 / 146 / 9858
Book flights from BUF to CCU at 02:54 PM with SWISS on Apr 16, 2026
$836.70
Hurry! Only 4 seats left at this fare
10:55 AM on Apr 16, 2026 BUF
2 Stops {ORD | DXB} | Trip Duration: 35 hr 45 min
08:10 AM on Apr 18, 2026 CCU
Flight 3640 operated by REPUBLIC AIRWAYS DBA UNITED EXPRESS United Airlines 3640 | Emirates 236 / 570
Book flights from BUF to CCU at 10:55 AM with Emirates on Apr 16, 2026
$1088.00
Hurry! Only 4 seats left at this fare
10:55 AM on Apr 16, 2026 BUF
2 Stops {ORD | DXB} | Trip Duration: 35 hr 45 min
08:10 AM on Apr 18, 2026 CCU
Flight 3640 operated by REPUBLIC AIRWAYS DBA UNITED EXPRESS United Airlines 3640 | Emirates 236 / 570
Book flights from BUF to CCU at 10:55 AM with Emirates on Apr 16, 2026
$1101.00
Hurry! Only 4 seats left at this fare
07:00 AM on Apr 16, 2026 BUF
2 Stops {ORD | DXB} | Trip Duration: 39 hr 40 min
08:10 AM on Apr 18, 2026 CCU
United Airlines 543 | Emirates 236 / 570
Book flights from BUF to CCU at 07:00 AM with Emirates on Apr 16, 2026
$1101.83
01:52 PM on Apr 16, 2026 BUF
2 Stops {ORD | DXB} | Trip Duration: 32 hr 48 min
08:10 AM on Apr 18, 2026 CCU
Flight 4381 operated by GOJET AIRLINES DBA UNITED EXPRESS United Airlines 4381 | Emirates 236 / 570
Book flights from BUF to CCU at 01:52 PM with Emirates on Apr 16, 2026
$2400.00
Hurry! Only 4 seats left at this fare
Prices observed in the past 7 days start at 400 for one-way flights and 929.73 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.
BUF 07:02 PM Mar 21, 2026
39 hr 28 min 
2 Stops
2 Stops CCU 08:00 PM Mar 23, 2026
CCU 04:10 AM Apr 19, 2026
26 hr 40 min 2 Stops
2 Stops BUF 09:20 PM Apr 19, 2026
$929.73
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.
BUF 02:45 PM Mar 21, 2026
25 hr 40 min 2 Stops
2 Stops CCU 01:55 AM Mar 23, 2026
CCU 04:00 AM Apr 19, 2026
26 hr 50 min 2 Stops
2 Stops BUF 09:20 PM Apr 19, 2026
$1074.90
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.
BUF 02:49 PM Mar 21, 2026
32 hr 21 min 3 Stops
3 Stops CCU 08:40 AM Mar 23, 2026
CCU 09:55 AM Apr 19, 2026
40 hr 45 min 3 Stops
3 Stops BUF 05:10 PM Apr 20, 2026
$1294.29
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.
BUF 10:23 AM Mar 21, 2026
39 hr 52 min 2 Stops
2 Stops CCU 11:45 AM Mar 23, 2026
CCU 08:55 PM Apr 19, 2026
30 hr 48 min 2 Stops
2 Stops BUF 06:13 PM Apr 20, 2026
$1295.59
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.
BUF 07:25 AM Apr 16, 2026
34 hr 05 min 2 Stops
2 Stops CCU 03:00 AM Apr 18, 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.
BUF 05:21 PM Apr 16, 2026
23 hr 39 min 2 Stops
2 Stops CCU 02:30 AM Apr 18, 2026
$521.20
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.
BUF 06:00 AM Apr 16, 2026
26 hr 55 min 2 Stops
2 Stops CCU 06:25 PM Apr 17, 2026
$653.70
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.
BUF 02:54 PM Apr 16, 2026
32 hr 16 min 3 Stops
3 Stops CCU 08:40 AM Apr 18, 2026
$808.70
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 Dec 14, 2025
15 hr 45 min Non Stop
Non Stop LHR 07:45 AM Dec 15, 2025
ORD 11:14 AM Dec 18, 2025
13 hr 35 min 1 Stop
1 Stop CCU 10:49 PM Dec 19, 2025
$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 Dec 14, 2025
22 hr 00 min 1 Stop
1 Stop LHR 01:00 PM Dec 16, 2025
ORD 02:55 PM Dec 18, 2025
06 hr 24 min 1 Stop
1 Stop CCU 07:19 PM Dec 18, 2025
$1236.17
Found 20hrs ago
Find the Cheapest Day for Flights from BUF to CCU
One-Way flights from BUF to CCU
Round Trip from BUF to CCU
Multi-City Flights from BUF to CCU
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Can I enrol in the Indian Eagle rewards program before booking flights from Buffalo to Kolkata?
Yes, you can enrol in the reward program before booking flights from Buffalo 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 Buffalo
Major airlines operating from Buffalo to Kolkata offer world-class services regardless of the cabin class you choose to travel. Indian Eagle customers flying from BUF to CCU mostly prefer economy and premium economy class. Business travelers and senior citizens traveling to Kolkata from Buffalo 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 Buffalo to Kolkata today!
What is the cost of a flight from Buffalo to Kolkata?
Flights from Buffalo 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 Buffalo 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 Buffalo to Kolkata flights?
Yes, Indian Eagle provides discounts on flights to Kolkata from Buffalo 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 Buffalo 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 Buffalo to Kolkata or anywhere else, you gain Eagle Points every time you book with us.
Can I choose premium economy when booking Buffalo 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 Buffalo to Kolkata.
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