Cheap flights from Sylhet to Kolkata

Flight deals from Sylhet to Kolkata

Below you can see the best deals on flights Sylhet — Kolkata for upcoming dates. Direct and connecting flights from various airlines — compare prices and choose the right ticket.

The lowest price for the next 2 months is on 17 August, from $107.

Top 10 cheap flights from Sylhet to Kolkata

About the Sylhet — Kolkata flight

On this page, you can find and buy flight tickets for the route from Sylhet to Kolkata. Despite the relatively short distance of 440 km, there is no direct air service between these cities, so flights are only available with a connection through Hazrat Shahjalal International Airport, and the minimum total travel time is approximately 3 hours 55 minutes.

Regular connecting flights are operated by US-Bangla Airlines and Biman Bangladesh. Ticket prices are dynamic, so we recommend using the low-price calendar and the price trend chart below to choose the most advantageous day for your trip. For planning convenience, information is also available on how to get to Sylhet Airport and how to get from Kolkata Airport upon arrival.

Below is a calendar of the lowest flight ticket prices for Sylhet — Kolkata by day. Pick a convenient date and instantly see the fare. The cheapest flights on this route start from $107 in ,, and the most expensive are around $107 in ,. If your travel dates are flexible, the calendar will help you find the best price for your preferred period. To view round-trip fares, switch to the "Round trip" tab above the calendar, select your departure date — and the right-hand calendar will highlight the lowest prices for return flights on each day.

Prices by month

Sylhet → Kolkata, average one-way price

Month	Average price	Level	Month	Average price	Level	Month	Average price	Level
Jan	$152	medium	May	$174	medium	Sep	$188	high
Feb	$146	low	Jun	$174	medium	Oct	$208	high
Mar	$146	low	Jul	$152	low	Nov	$188	medium
Apr	$160	medium	Aug	$146	low	Dec	$202	high

Some values are estimated based on seasonality.

When to fly

The climate of Kolkata is characterized by hot summers and a pronounced monsoon season. The hottest month is April, when the average high reaches 35.9°C, and it is coolest in January, when temperatures can drop to 13.1°C. Rainfall peaks in August—during this month, about 337 mm of precipitation falls, and the number of rainy days reaches 29.

We are currently updating the data on minimum fares for this route. To find the best offer, keep track of real-time price updates using the charts on this page. The cost of a flight from Bangladesh to India significantly depends on demand and how far in advance the ticket is purchased.

The optimal time for a trip is considered to be the period from November to February, when the weather is dry and comfortable (average high 25-28°C). It is recommended to avoid traveling during the height of the monsoons from June to September, as high humidity and heavy rains can complicate travel between cities.

Temperature · Kolkata

Dry and wet days · Kolkata

Wind speed and direction · Kolkata

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How to get the best deal on a Sylhet — Kolkata ticket

Since the route requires a mandatory connection in Dhaka, book a single ticket from US-Bangla Airlines or Biman Bangladesh—this ensures support during delays and automatic baggage transfer.
Allow at least 2–3 hours for the connection at Hazrat Shahjalal International Airport to comfortably complete all necessary transit formalities.
The minimum ticket price for this route starts $107, while mid-week flights are often cheaper than departures on Friday or Sunday.
Use the low-price calendar on the page to see the difference in cost for neighboring dates, which allows for significant savings with a flexible schedule.

Flights from Sylhet to Kolkata are provided by two main airlines: US-Bangla Airlines and Biman Bangladesh. Since there are no non-stop flights on this route, all carriers offer options with one connection at Hazrat Shahjalal International Airport (Dhaka). Detailed information about flight frequencies and baggage allowances can be found in the interactive list of airlines below.

US-Bangla AirlinesBS
WebsiteFleet: 242.5M pax/year
- ZYL → DAC → CCU (with stopover)
Open →
Biman BangladeshBG
WebsiteFleet: 213.1M pax/year
- ZYL → DAC → CCU (with stopover)
Open →

Cities and airports on the Sylhet — Kolkata route

Flights Sylhet — Kolkata depart from Sylhet Civil Airport and arrive at Netaji Subhas Chandra Bose Airport. Below are pages for the cities, countries, and airports on the route: airlines, schedules, and travel guides.

Departure

Sylhet

ZYL

Bangladesh

About the city How to get there Weather All about the country Bangladesh

Arrival

Kolkata

CCU

India

About the city How to get there Weather All about the country India

Departure airports

Sylhet Civil AirportZYL
About the airport

Arrival airports

Netaji Subhas Chandra Bose AirportCCU
About the airport

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Frequently asked questions about the Sylhet — Kolkata flight

How long is the flight from Sylhet to Kolkata?

The minimum flight time including one connection is approximately 3 hours 55 minutes. Total travel time may vary depending on the duration of the layover in Dhaka.

Which airlines fly this route?

Regular flights between Sylhet and Kolkata are operated by US-Bangla Airlines and Biman Bangladesh.

Are there direct flights from Sylhet to Kolkata?

No, there are no direct flights on this route. All flight options include one connection at the airport in Dhaka.

How much does the cheapest ticket cost?

Flight prices change constantly depending on the season and flight occupancy. You can always check the current minimum and best offers in the low-price calendar on this page.

Which airport does the flight arrive at?

All flights on this route arrive at Netaji Subhash Chandra Bose International Airport (CCU), which serves Kolkata.