387 € Cheap Flights from Bangkok to Sylhet

Compare Bangkok to Sylhet flight deals

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

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Flight deals from Bangkok to Sylhet

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

Find the cheapest month to fly from Bangkok to Sylhet

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

Bangkok to Sylhet: Alternative routes

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

Bangkok to Sylhet: Flight information

The things to know before you go.
Cheapest flight found387 €
Cheapest month to flyMay

Finding cheap flights from Bangkok to Sylhet: Frequently asked questions

The best price we found for a return flight from Bangkok to Sylhet is 387 €. 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 Bangkok to Sylhet. But we found flights with one stop from 387 €.
As of April 2026, there are no flights flying from Bangkok to Sylhet.
The cheapest month to fly from Bangkok to Sylhet is usually May.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Bangkok to Sylhet Airport on Saturday, 23 May 2026.
No airlines currently offer direct flights between Bangkok and Sylhet 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 Sylhet 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 Sylhet is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to Sylhet is Biman Bangladesh Airlines .

Flying from Bangkok to Sylhet Osmani International Airport (ZYL): What you need to know

  • Sylhet Osmani International Airport is located in Sylhet. The city operates on the UTC+6 timezone and is one hour behind Bangkok.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are golden rules for hassle-free flying. Be at the airport with enough time to board your flight from Bangkok to ZYL.

  • Popular months like February or other peak seasons mean longer lines and potential delays. Stay on schedule by getting to the airport even earlier. Aim for at least four hours ahead of an international flight and two hours before domestic departures.

Airports in Bangkok

Bangkok Suvarnabhumi International Airport (BKK)

  • Consider adding a stopover to find cheap flights from Bangkok to ZYL. Simply uncheck 'Direct flights only' when searching for departures from Bangkok Suvarnabhumi International Airport (BKK). Break the trip up (and maybe score a better deal) by stopping at one of these popular options:

    • Abu Dhabi Zayed International Airport (AUH)

    • Dhaka Hazrat Shahjalal International Airport (DAC)

    • Muscat International Airport (MCT)

  • The journey from central Bangkok to BKK takes around 35 minutes on public transport. If you drive, ride-share or grab a taxi, you'll cover the 31 kilometres in 35 minutes or so, depending on traffic.

  • Catching an early flight from Bangkok to Sylhet Osmani International Airport? Avoid rushing to the terminal (and get some extra shut-eye) by staying at one of these stays near Bangkok Suvarnabhumi International Airport:

  • Of all flights departing from Bangkok Suvarnabhumi International Airport, 68% touch down on time at their destination.

Bangkok Don Mueang International Airport (DMK)

  • You can reach DMK from central Bangkok in approximately 35 minutes by car, depending on traffic. The ride on public transport takes roughly 1 hour 5 minutes to travel the 24 kilometres or so.

  • Want to treat yourself to an extra night away before boarding your Bangkok to ZYL flight? Kick back in a hotel near Bangkok Don Mueang International Airport before your adventure officially starts. These stays are expecting you:

  • Bangkok Don Mueang International Airport has an on-time performance of 66%. This figure shows how often flights that leave from this airport arrive on schedule.

About Sylhet Osmani International Airport (ZYL)

Getting from Sylhet Osmani International Airport (ZYL) to central Sylhet

  • From Sylhet Osmani International Airport, central Sylhet is around 11 kilometres away. It takes about 25 minutes to get to the city centre by car.

  • If you're taking public transport, expect a journey of about 45 minutes.

How to find the cheapest flights from Bangkok to Sylhet Osmani International Airport (ZYL)

  • The lowest price we've found for a one-way ticket from Bangkok to Sylhet Osmani International Airport is 183 €. For a return flight on this route, the best price is 387 €. Depending on when you want to go and the availability, these fares may change.

  • To pick up cheap flights from Bangkok to ZYL, book early. Airlines tend to offer their most competitively priced fares when flights first go on sale.

  • The 'Whole month' search tool shows you the cheapest Bangkok to Sylhet Osmani International Airport tickets across the entire month. It's an easy way to find a bargain if your travel dates aren't set in stone.

  • You don't need to search every day to find out if prices have dropped when you create a Price Alert. We'll notify you as soon as a lower fare pops up on plane tickets from Bangkok to ZYL.

  • Save money on your flight from Bangkok to Sylhet Osmani International Airport by using the search filters. Choose your ideal times, number of stops and airlines, then sort the results by 'Cheapest' for the best deals.

The best time to fly from Bangkok to Sylhet Osmani International Airport (ZYL)

  • It's time to figure out your travel dates for your flight from Bangkok to Sylhet Osmani International Airport (ZYL). October is when most people travel to Sylhet. If you're all about a more relaxed kind of trip, think about going in June.

  • When booking your Bangkok to ZYL plane ticket, consider the weather you're most comfortable in. April is the warmest month in Sylhet, with temperatures ranging from 21ºC (70ºF) to 35ºC (95ºF).

  • Search for cheap tickets from Bangkok to Sylhet Osmani International Airport in January if you like travelling in cooler conditions. Temperatures are at their lowest then, ranging between 12ºC (54ºF) and 28ºC (82ºF).

More about Sylhet

  • Once you've booked your flight from Bangkok to Sylhet Osmani International Airport, find a hotel that's got location and comfort covered. Make one of these accommodation options your base for exploring Sylhet:

  • TEA ESTATE and Lakkatura Tea Garden are just two of the big attractions to add to your Sylhet itinerary. Keep the momentum going by heading to Lakkatura Tea EState.

Explore more of Bangladesh

  • Sylhet will leave a lasting impression, but there are so many other corners of Bangladesh waiting to be explored. About 209 kilometres southwest of Sylhet, a visit to Dhaka will fill your itinerary to the brim. Don't miss top attractions like Taj Jaame Masjid, Shahi Mosque and Tajmahal Park.

  • Chittagong is another sought-after destination in Bangladesh and is around 290 kilometres south of Sylhet. No trip is complete without seeing Chattogram Marine Drive, Dakshin Kattali Sea Beach and Mahmud Khan Jaame Masjid.

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