Cheap Flights from Kolkata to Sylhet from US$78

Frequently Asked Questions

• What are the cheapest flights from Kolkata to Sylhet (CCU-ZYL)?

  Based on Trip.com data, Biman Bangladesh Airlines offers one-way fares as low as US$78 on Cheapest nonstop routes (e.g. CCU to ZYL on Fri, Sep 11), while Biman Bangladesh Airlines offers Cheapest nonstop round-trips from US$150 departing on Wed, Sep 2 and returning on Mon, Sep 7.

• Which airlines offer direct flights from Kolkata to Sylhet?

  At the moment, you can catch a nonstop flight from Kolkata to Sylhet with the following airlines, including: US-Bangla Airlines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.

• When is the best time to book flights from Kolkata to Sylhet?

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Kolkata to Sylhet is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

• How can I find the best deals on flights from Kolkata to Sylhet?

  To find best deals on flights from Kolkata to Sylhet, you can use various tools on Trip.com:
  · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Fri, Sep 11, with one-way flights priced at just US$78.
  · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Biman Bangladesh Airlines.
  · Set up price alerts to easily monitor ticket prices without having to check every day.
  · Check Trip.com flight deals and promo codes frequently.
  · Avoid peak season unless you book very early. It seems the peak season for Sylhet travel is around July.
  · Get exclusive promo codes for Trip.com app users.

• When are flight tickets from Kolkata (CCU) to Sylhet (ZYL) the cheapest?

  The cheapest months to fly from Kolkata to Sylhet is November, when demand for travel is lower.

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

  After crunching the numbers on our August flight calendar, it's currently cheapest to fly from Kolkata to Sylhet on August 22, 2026 with Biman Bangladesh Airlines, with prices starting at US$78.

• Which airports can I fly to for Sylhet from Kolkata?

  You can land at any one of the following hubs in Sylhet, with Netaji Subhash Chandra Bose International Airport to Osmani International Airport (CCU-ZYL) is by far the most common option on this route: Osmani International Airport (ZYL).

• Is there any time difference between Kolkata and Sylhet?

  The time difference between Sylhet and Kolkata is 0m.

• How do I change or cancel my ticket from Kolkata to Sylhet?

  Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

• What is the average cost of a one-way flight from Kolkata to Sylhet?

  Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from Kolkata to Sylhet is US$167. Fares vary by travel date, airline and availability.

• How do I book flights from Kolkata to Sylhet on Trip.com?

  Enter Kolkata and Sylhet, choose your travel dates and passengers, then compare flights by price, duration and baggage. Select a fare, review the change and cancellation rules, enter traveler details and complete payment to receive your confirmation.