Cheap Flights from New Delhi (DEL) to Sylhet (ZYL)

Frequently Asked Questions

• What are the cheapest flights from New Delhi to Sylhet (DEL-ZYL)?

  Based on Trip.com data, Biman Bangladesh Airlines offers one-way fares as low as US$97 on Cheapest nonstop routes (e.g. DEL to ZYL on Thu, Jun 4), while Biman Bangladesh Airlines offers Cheapest nonstop round-trips from US$228 departing on Mon, Jun 8 and returning on Fri, Jun 12.

• Which airlines offer direct flights from New Delhi to Sylhet?

  At the moment, you can catch a nonstop flight from New Delhi to Sylhet with the following airlines, including: IndiGo 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 New Delhi 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 New Delhi 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 New Delhi to Sylhet?

  To find best deals on flights from New Delhi 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 Thu, Jun 4, with one-way flights priced at just US$97.
  · 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 January.
  · Get exclusive promo codes for Trip.com app users.

• When are flight tickets from New Delhi (DEL) to Sylhet (ZYL) the cheapest?

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

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

  After crunching the numbers on our May flight calendar, it's currently cheapest to fly from New Delhi to Sylhet on May 22, 2026 with Biman Bangladesh Airlines, with prices starting at US$102.

• Which airports can I fly to for Sylhet from New Delhi?

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

• Is there any time difference between New Delhi and Sylhet?

  The time difference between Sylhet and New Delhi is 0h.

• How do I change or cancel my ticket from New Delhi 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.