Cheap flights from Sylhet to Kolkata

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Compare Sylhet 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 Sylhet to Kolkata

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

Kolkata.$244 per passenger.Departing Sun, Dec 6, returning Sun, Feb 14.Round-trip flight with US-Bangla Airlines and IndiGo.Outbound indirect flight with US-Bangla Airlines, departing from Sylhet on Sun, Dec 6, arriving in Kolkata.Inbound indirect flight with IndiGo, departing from Kolkata on Sun, Feb 14, arriving in Sylhet.Price includes taxes and charges.From $244, select.

Kolkata.$244 per passenger.Departing Wed, Jan 6, returning Tue, Jan 12.Round-trip flight with Biman Bangladesh Airlines and US-Bangla Airlines.Outbound indirect flight with Biman Bangladesh Airlines, departing from Sylhet on Wed, Jan 6, arriving in Kolkata.Inbound indirect flight with US-Bangla Airlines, departing from Kolkata on Tue, Jan 12, arriving in Sylhet.Price includes taxes and charges.From $244, select.

Kolkata.$248 per passenger.Departing Thu, Dec 3, returning Sun, Jan 3.Round-trip flight with Biman Bangladesh Airlines and US-Bangla Airlines.Outbound indirect flight with Biman Bangladesh Airlines, departing from Sylhet on Thu, Dec 3, arriving in Kolkata.Inbound indirect flight with US-Bangla Airlines, departing from Kolkata on Sun, Jan 3, arriving in Sylhet.Price includes taxes and charges.From $248, select.

Kolkata.$254 per passenger.Departing Mon, Dec 7, returning Mon, Dec 14.Round-trip flight with Biman Bangladesh Airlines.Outbound indirect flight with Biman Bangladesh Airlines, departing from Sylhet on Mon, Dec 7, arriving in Kolkata.Inbound indirect flight with Biman Bangladesh Airlines, departing from Kolkata on Mon, Dec 14, arriving in Sylhet.Price includes taxes and charges.From $254, select.

Find the cheapest month to fly from Sylhet to Kolkata

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

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Sylhet to Kolkata: Alternative routes

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

Kolkata

16km from central Kolkata

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from $244

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Sylhet to Kolkata: Flight information

The things to know before you go.

Cheapest flight found	$244
Cheapest month to fly	December

Finding cheap flights from Sylhet to Kolkata: Frequently asked questions

How much are round-trip flights from Sylhet to Kolkata?

The best price we found for a round-trip flight from Sylhet to Kolkata is $244. 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.

Which airlines fly direct from Sylhet to Kolkata?

Currently, there are no airlines that fly direct from Sylhet to Kolkata. But we found flights with one or more stops from $244.

How many flights are there a week from Sylhet to Kolkata?

There are no flights flying from Sylhet to Kolkata, as of August 2026.

When is the cheapest time to fly from Sylhet to Kolkata?

The cheapest month to fly from Sylhet to Kolkata is usually December.

Which upcoming date is cheapest to fly from Sylhet Airport to Kolkata Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Sylhet Airport to Kolkata Airport on Sunday, December 6, 2026.

Can I get a direct flight from Sylhet Airport to Kolkata Airport?

No airlines currently offer direct flights between Sylhet Airport and Kolkata Airport. Most routes have one or more stops.

How can I find the best flight deal to Kolkata?

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.

When is the best time to book flights to Kolkata?

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.

Which is the cheapest airline to fly with from Sylhet Airport to Kolkata?

Currently, US-Bangla Airlines offers the cheapest flight tickets to Kolkata.

Flying from Osmani International Airport (ZYL) to Netaji Subhas Chandra Bose Airport (CCU): what you need to know

Kolkata's timezone is UTC+5:30, which makes Kolkata 30 minutes behind Sylhet.
Arriving two hours before an international flight and one hour ahead of a domestic departure are tried-and-true travel tips. Make sure you're at the airport on time to board your ZYL to CCU flight.
During popular months such as July, you'll want to get to the airport well in advance. Plan to arrive two hours before domestic departures and four hours ahead of an international flight whenever you're flying during a peak period in general.

How to find the cheapest flights from Osmani International Airport (ZYL) to Netaji Subhas Chandra Bose Airport (CCU)

$116 is the best price for a one-way Osmani International Airport to Netaji Subhas Chandra Bose Airport flight. A return flight starts at $244. These prices may change depending on demand and availability.
To find cheap tickets from ZYL to CCU, book as early as you can. Airlines generally offer lower prices when flights are first released.
Getting cheap flights from Osmani International Airport to Netaji Subhas Chandra Bose Airport is easy if you're flexible with your travel plans. Use the 'Whole month' search tool to see the lowest fares across every month and score a great deal.
Save time searching for cheap flights from ZYL to CCU by setting up a Price Alert. You'll receive an email or notification through the app when a new discounted fare appears.
Tailor your trip using filters. Pick your arrival and departure times, total journey duration and airlines. You can also sort results by 'Cheapest,' 'Fastest' or 'Best' flights from Osmani International Airport to Netaji Subhas Chandra Bose Airport.

Handy information about Osmani International Airport (ZYL)

To reach Osmani International Airport from central Sylhet, it'll take about 20 minutes if you're planning to drive. Of course, this depends on traffic. It's approximately 10 kilometers from the airport to the city center.
Get your travels off to a hassle-free start by staying near ZYL. Whether you've booked an early flight from Osmani International Airport to Netaji Subhas Chandra Bose Airport or want to avoid feeling rushed, these hotels are the answer:

Arriving at Netaji Subhas Chandra Bose Airport (CCU)

Consider booking a hotel near CCU if you have a late Osmani International Airport to Netaji Subhas Chandra Bose Airport flight. Select one of these options and skip the long transfer after landing:
Secure yourself a Netaji Subhas Chandra Bose Airport rental car from top providers like Europcar or Avis. With your own set of wheels, you can venture farther out of Kolkata and discover places most visitors miss.
Reserving your vehicle from Netaji Subhas Chandra Bose Airport about four weeks in advance gives you the best chance of locking in a great deal.

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

Netaji Subhas Chandra Bose Airport to central Kolkata has a drive time of about 40 minutes. It's approximately 16 kilometers away.
If you're taking public transport, expect a journey of roughly 55 minutes.

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

July is the busiest month for flights from Osmani International Airport to Netaji Subhas Chandra Bose Airport. To escape the crowds, visit Kolkata in April.
Before locking in your flight from Osmani International Airport to Netaji Subhas Chandra Bose Airport, think about the kind of weather you like. April is the warmest month in Kolkata, with the temperature ranging from 24ºC (75ºF) to 42ºC (108ºF).
If you want to travel in cooler conditions, look for a cheap ticket from ZYL to CCU in January. Average temperatures are between 15ºC (59ºF) and 29ºC (84ºF) then.

Explore more of India

Patna is just one of the many places in India waiting to be discovered after you've experienced Kolkata. Around 467 kilometers away to the north-west, well-known attractions include Mahatma Gandhi Setu, Bihar Museum and Golghar.
Ranchi is another standout destination in India and is around 322 kilometers west of Kolkata. No journey is complete without seeing Rock Garden, Jagannath Temple and Deer Park.