Cheap Flights from Buffalo Niagara to Kolkata

Compare Buffalo Niagara to Kolkata flight deals

Find the cheapest month or even day of the year to fly to Kolkata

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Flight deals from Buffalo Niagara to Kolkata

Looking for a cheap last-minute deal or the best return flight from Buffalo Niagara to Kolkata? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Buffalo Niagara to Kolkata

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Buffalo Niagara to Kolkata flights are currently cheapest in May.

Buffalo Niagara to Kolkata: Alternative routes

Compare routes from Buffalo Niagara to Kolkata below. You may find an airport to fly into that's cheaper, faster, or easier than Kolkata.

Buffalo to Kolkata: Flight information

The things to know before you go.
Cheapest flight foundRs171,952
Cheapest month to flyMay

Finding cheap flights from Buffalo Niagara to Kolkata: Frequently asked questions

The best price we found for a return flight from Buffalo Niagara to Kolkata is Rs303,921. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Buffalo Niagara to Kolkata. But we found flights with one or more stops from Rs303,921.
As of February 2026, there are no flights flying from Buffalo Niagara to Kolkata.
The cheapest month to fly from Buffalo Niagara to Kolkata is usually April.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Buffalo Niagara Airport to Kolkata Airport on Friday, 10 April 2026.
No airlines currently offer direct flights between Buffalo Niagara Airport and Kolkata Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Kolkata but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Kolkata is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Frontier Airlines offers the cheapest flight tickets to Kolkata.

Flying from Buffalo Niagara International Airport (BUF) to Netaji Subhas Chandra Bose Airport (CCU): what you need to know

  • Kolkata is nine hours 30 minutes ahead of Buffalo and follows the UTC+5:30 timezone.

  • For a smooth journey, arrive at the airport two hours ahead of international flights and one hour before domestic departures. This way, you'll have plenty of time to catch your BUF to CCU flight.

  • Be prepared for longer queues during popular months like August. Arriving up to four hours in advance for international flights and two hours for a domestic departure will give you ample time for security and boarding.

How to find the cheapest flights from Buffalo Niagara International Airport (BUF) to Netaji Subhas Chandra Bose Airport (CCU)

  • Rs171,952 is currently the best price for a one-way Buffalo Niagara International Airport to Netaji Subhas Chandra Bose Airport flight. A return flight starts at Rs303,921. These fares may change based on availability and demand.

  • To find cheap tickets from BUF to CCU, book in advance. Airlines usually offer lower fares when flights are first released.

  • If you're flexible with your travel plans, use the 'Whole month' tool. It'll find the cheapest price in every month when searching for your flight from Buffalo Niagara International Airport to Netaji Subhas Chandra Bose Airport.

  • Picking up cheap flights from BUF to CCU is a cinch with Price Alerts. Simply create one of these automatic alerts and we'll notify you as soon as there's a better deal.

  • Tailor your flights using filters. Choose your preferred arrival and departure times, total journey duration and airlines. You can also sort results by 'Fastest,' 'Best' or 'Cheapest' flights from Buffalo Niagara International Airport to Netaji Subhas Chandra Bose Airport.

Handy information about Buffalo Niagara International Airport (BUF)

  • You'll find BUF at Genesee Street.

  • When it comes to Buffalo Niagara International Airport's on-time performance, 75.46% of flights stick to their scheduled arrival time.

  • To get to Buffalo Niagara International Airport from central Buffalo, it'll take about 20 minutes by car. This depends on traffic, however. It's approximately 18 kilometres from the airport to the city centre.

  • Expect a journey time of about 1 hour 15 minutes on public transport.

  • Get your trip off to a relaxed start by staying near BUF. Whether you're boarding an early flight from Buffalo Niagara International Airport to Netaji Subhas Chandra Bose Airport or just don't want to be rushed, these stays have you covered:

Arriving at Netaji Subhas Chandra Bose Airport (CCU)

Getting from Netaji Subhas Chandra Bose Airport (CCU) to central Kolkata

  • Netaji Subhas Chandra Bose Airport is approximately 16 kilometres from central Kolkata. The drive time takes around 40 minutes.

  • If you're travelling by public transport, expect a journey of roughly 55 minutes.

When to fly to Netaji Subhas Chandra Bose Airport (CCU)

  • It's time to plan your trip dates for your flight from Buffalo Niagara International Airport to Netaji Subhas Chandra Bose Airport. July is the most popular month to visit Kolkata. If you like a more low-key vibe, go in April.

  • Lock in your flight from Buffalo Niagara International Airport to Netaji Subhas Chandra Bose Airport for April if you want to visit Kolkata during its warmest month. Expect temperatures of between 24ºC and 42ºC.

  • If you want to travel in cooler conditions, look for a cheap ticket from BUF to CCU in January. Average temperatures are between 15ºC and 29ºC then.

Explore more of India

  • You've done Kolkata, now it's time to discover other parts of India. Journey about 467 kilometres north-west to Patna to check off its leading attractions. From Mahatma Gandhi Setu to Bihar Museum and Golghar, your itinerary will be busy.

  • If you want to check out another major stop in India, head for Ranchi, about 322 kilometres west of Kolkata. Rock Garden, Jagannath Temple and Deer Park are highlights.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.