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Cheap flights from Buffalo to Kolkata from ₹ 102,593

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 18/9. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — CCU
29 Jul — 5 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Buffalo to Kolkata

Enter your travel dates to find the best prices.

Cheapest flights from Buffalo to Kolkata
Explore the most affordable flight options available from Buffalo to Kolkata. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 June 2026.

Fri 18/917:18
BUF
-
CCU
2 stops23h 42m
Qatar Airways
Tue 22/904:00
CCU
-
BUF
2 stops27h 40m
Qatar Airways
Deal found 28/6₹ 102,593
Mon 30/1111:34
BUF
-
CCU
2 stops27h 51m
Multiple Airlines
Wed 30/1203:25
CCU
-
BUF
2 stops31h 04m
Multiple Airlines
Deal found 28/6₹ 146,266
Mon 30/1114:54
BUF
-
CCU
3 stops31h 16m
Lufthansa
Thu 31/1221:00
CCU
-
BUF
3 stops31h 56m
Lufthansa
Deal found 28/6₹ 220,340
Fri 18/915:30
BUF
-
CCU
3 stops45h 35m
Singapore Airlines
Tue 22/923:30
CCU
-
BUF
3 stops57h 50m
Singapore Airlines
Deal found 28/6₹ 312,579

Find flight deals from Buffalo to Kolkata

Discover tips and strategies to find the most affordable flight options for your journey from Buffalo (BUF) to Kolkata (CCU). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 29 June 2026.

Round-trip from

₹ 102,593
Qatar Airways
  • Qatar Airways
  • 18/9-22/9
  • 4 total stops
  • 51h 22m total
  • Buffalo to Kolkata
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Buffalo 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, Cheapflights users made 454,620 searches. Data last updated 29 June 2026.
Use the filters below to find and compare flights from Buffalo to Kolkata that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

BuffaloKolkata

BUF - CCU

BUFCCU

Buffalo

Fri 18/9

17:18-02:30

2 stops23h 42m

Kolkata Netaji S. Chandra

Tue 22/9

04:00-22:10

2 stops27h 40m

₹ 102,593

BuffaloKolkata

BUF - CCU

BUFCCU

Buffalo

Mon 30/11

14:54-08:40

3 stops31h 16m

Kolkata Netaji S. Chandra

Thu 31/12

21:00-18:26

3 stops31h 56m

₹ 220,340

BuffaloKolkata

BUF - CCU

BUFCCU

Buffalo

Mon 30/11

20:00-22:25

2 stops63h 55m

Kolkata Netaji S. Chandra

Thu 31/12

23:40-23:54

3 stops58h 44m

₹ 294,790

BuffaloKolkata

BUF - CCU

BUFCCU

Buffalo

Fri 18/9

15:30-22:35

3 stops45h 35m

Kolkata Netaji S. Chandra

Tue 22/9

23:30-23:50

3 stops57h 50m

₹ 312,579
Cheapest one-way
Fastest single journey

BuffaloKolkata

BUF - CCU

BUFCCU

Buffalo

Thu 9/7

06:00-20:30

2 stops29h 00m

₹ 1,167,489

Flights are sorted by cheapest return flights first.

Deals found on 24/6

Sorted by cheapest first

Best time to book a flight from Buffalo to Kolkata

Have a flexible travel schedule? Discover the best time to fly to Kolkata from Buffalo with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from Buffalo to Kolkata. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Buffalo to Kolkata?

    Qatar Airways and Lufthansa can get you from Buffalo to Kolkata in just under 23h 42m. Your travel time can differ by up to 7h 34m. Buffalo and Kolkata are separated by a distance of 12595 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • Can I find deals for flights from Buffalo to Kolkata that include hotel bookings?

    Yes. In addition to deals on Buffalo to Kolkata flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Buffalo to Kolkata?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Buffalo to Kolkata.

  • Can I find deals for business class flights from Buffalo to Kolkata?

    Yes. Cheapflights offers flight deals from Buffalo to Kolkata by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Alternative routes for Buffalo to Kolkata

See prices for flight routes from nearby airports that may be better suited for you.
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Fly with Cheapflights

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How does Cheapflights help users find flights from Buffalo to Kolkata?

Cheapflights makes it easy to find Buffalo to Kolkata flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Buffalo to Kolkata?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Kolkata from Buffalo.

Can Cheapflights find flights from Buffalo to Kolkata with no change fees?

Yes! Cheapflights helps users easily find flights from Buffalo to Kolkata with no change fees.

Can Cheapflights notify me if prices for flights from Buffalo to Kolkata become cheaper?

Yes, Cheapflights offers price alerts on Buffalo to Kolkata flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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