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$531+ Cheap flights from Buffalo (BUF) to Kolkata (CCU)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/11. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — CCU
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
1 adult, Economy
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Cheap 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 July 29, 2025.

Round-trip from

$851
(oojo)

One-way from

$531
(Kiwi.com)
From Buffalo to Kolkata Netaji S. Chandra
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One-way flight from Buffalo to Kolkata Netaji S. Chandra
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Find flight deals from Buffalo to Kolkata

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 July 29, 2025.

This oojo deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/68:25 pmBUF - CCU
2 stops33h 10mAir India
Fri 10/177:55 pmCCU - BUF
2 stops32h 39mAir India
Deal found 7/27$851
This FlightHub deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/68:25 pmBUF - CCU
2 stops44h 25mQatar Airways
Thu 10/163:50 amCCU - BUF
2 stops25h 00mQatar Airways
Deal found 7/27$1,112
This Ovago deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/67:45 pmBUF - CCU
3 stops27h 45mLufthansa
Fri 10/179:20 pmCCU - BUF
3 stops30h 42mLufthansa
Deal found 7/29$1,588
This Gurufare deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/156:05 amBUF - CCU
2 stops27h 20mEtihad Airways
Mon 1/129:00 pmCCU - BUF
2 stops36h 40mEtihad Airways
Deal found 7/28$1,696
This Gurufare deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/63:21 pmBUF - CCU
3 stops30h 39mBritish Airways
Fri 10/177:30 pmCCU - BUF
3 stops34h 47mBritish Airways
Deal found 7/27$1,835
This American Airlines deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1712:22 pmBUF - CCU
2 stops29h 43mAmerican Airlines
Fri 1/26:00 pmCCU - BUF
2 stops31h 18mAmerican Airlines
Deal found 7/28$2,262
This Trip.com deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/1510:05 amBUF - CCU
3 stops49h 50mSingapore Airlines
Mon 1/1211:40 pmCCU - BUF
3 stops54h 11mSingapore Airlines
Deal found 7/28$2,271
This Trip.com deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/1511:40 amBUF - CCU
2 stops27h 45mMultiple Airlines
Mon 1/1211:40 pmCCU - BUF
3 stops54h 11mMultiple Airlines
Deal found 7/28$2,326

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated July 29, 2025.
Use the filters below to find and compare flights from Buffalo to Kolkata that are best for you.

Fly from

Buffalo

Fly to

Kolkata

Route

Depart

Return

Price

BuffaloKolkata

BUF - CCU

BUFCCU

Buffalo

Mon 10/6

8:25 pm-3:05 pm

2 stops33h 10m

Kolkata Netaji S. Chandra

Fri 10/17

7:55 pm-7:04 pm

2 stops32h 39m

$851

BuffaloKolkata

BUF - CCU

BUFCCU

Buffalo

Mon 10/6

8:25 pm-2:20 am

2 stops44h 25m

Kolkata Netaji S. Chandra

Thu 10/16

3:50 am-7:20 pm

2 stops25h 00m

$1,112

BuffaloKolkata

BUF - CCU

BUFCCU

Buffalo

Mon 10/6

7:45 pm-9:00 am

3 stops27h 45m

Kolkata Netaji S. Chandra

Fri 10/17

9:20 pm-6:32 pm

3 stops30h 42m

$1,588

BuffaloKolkata

BUF - CCU

BUFCCU

Buffalo

Mon 12/15

6:05 am-7:55 pm

2 stops27h 20m

Kolkata Netaji S. Chandra

Mon 1/12

9:00 pm-11:10 pm

2 stops36h 40m

$1,696

BuffaloKolkata

BUF - CCU

BUFCCU

Buffalo

Mon 10/6

3:21 pm-7:30 am

3 stops30h 39m

Kolkata Netaji S. Chandra

Fri 10/17

7:30 pm-8:47 pm

3 stops34h 47m

$1,835

BuffaloKolkata

BUF - CCU

BUFCCU

Buffalo

Wed 12/17

12:22 pm-4:35 am

2 stops29h 43m

Kolkata Netaji S. Chandra

Fri 1/2

6:00 pm-2:48 pm

2 stops31h 18m

$2,262

BuffaloKolkata

BUF - CCU

BUFCCU

Buffalo

Mon 12/15

10:05 am-10:25 pm

3 stops49h 50m

Kolkata Netaji S. Chandra

Mon 1/12

11:40 pm-7:21 pm

3 stops54h 11m

$2,271

BuffaloKolkata

BUF - CCU

BUFCCU

Buffalo

Mon 12/15

11:40 am-1:55 am

2 stops27h 45m

Kolkata Netaji S. Chandra

Mon 1/12

11:40 pm-7:21 pm

3 stops54h 11m

$2,326

BuffaloKolkata

BUF - CCU

BUFCCU

Buffalo

Thu 9/11

8:25 pm-9:30 am

3 stops27h 35m

$531

BuffaloKolkata

BUF - CCU

BUFCCU

Buffalo

Thu 9/11

3:55 pm-3:00 am

2 stops25h 35m

$595

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

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 round-trip 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.

Reviews of airlines servicing Kolkata

Get insights into the airlines that provide service to Kolkata. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Kolkata. Reviews last updated July 29, 2025.
Read reviews from past customers who have flown Singapore Airlines, Qatar Airways, and Etihad Airways from Buffalo to Kolkata. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.1
Very good
1,335 reviews

Overall

8.1

Food

7.7

Entertainment

8.0

Boarding

8.2

Crew

8.6

Comfort

7.9

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
Singapore Airlines
8.1
Very good
1,335 reviews
Singapore Airlines
8.1
Very good
1,335 reviews

Overall

8.1

Food

7.7

Entertainment

8.0

Boarding

8.2

Crew

8.6

Comfort

7.9

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
Qatar Airways
7.4
Good
3,609 reviews
Singapore Airlines
8.1
Very good
1,335 reviews

Overall

8.1

Food

7.7

Entertainment

8.0

Boarding

8.2

Crew

8.6

Comfort

7.9

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
Etihad Airways
7.4
Good
1,228 reviews
Singapore Airlines
8.1
Very good
1,335 reviews

Overall

8.1

Food

7.7

Entertainment

8.0

Boarding

8.2

Crew

8.6

Comfort

7.9

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
American Airlines
7.2
Good
10,000 reviews
Singapore Airlines
8.1
Very good
1,335 reviews

Overall

8.1

Food

7.7

Entertainment

8.0

Boarding

8.2

Crew

8.6

Comfort

7.9

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
Lufthansa
6.8
Okay
7,265 reviews
Singapore Airlines
8.1
Very good
1,335 reviews

Overall

8.1

Food

7.7

Entertainment

8.0

Boarding

8.2

Crew

8.6

Comfort

7.9

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.

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.

  • What are the cheapest airlines flying from Buffalo to Kolkata round-trip?

    Cheapflights users have booked flights from Buffalo to Kolkata round-trip from $851. Other airlines that can offer you cheap pricing are Qatar Airways, from $1,112, and Lufthansa, from $1,588.

  • 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 vacation 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.

  • What is the cheapest month to book a flight from Buffalo to Kolkata?

    Currently, September is the cheapest month in which you can book a flight from Buffalo to Kolkata (average of $965). Flying from Buffalo to Kolkata in December is currently the most expensive (average of $1,647). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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