Cheap Flights from Sylhet to Bangkok

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      Travellers and cabin class, 1 Adult, Economy

      Compare Sylhet to Bangkok flight deals

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

      Book the best Bangkok fare with no extra fees

      Flight deals from Sylhet to Bangkok

      Looking for a cheap last-minute deal or the best return flight from Sylhet to Bangkok? Find the lowest prices on one-way and return tickets right here.
      How did we find these deals? The deals you see here are the lowest prices for flight tickets from Sylhet to Bangkok found in the last 4 days, and are subject to change and availability.

      Sylhet to Bangkok: Flight information

      The things to know before you go.
      Cheapest flight found$774
      Cheapest month to flyOctober

      Finding cheap flights from Sylhet to Bangkok: Frequently asked questions

      There are 2 airports in Bangkok: Don Mueang and Bangkok Suvarnabhumi.
      The best price we found for a return flight from Sylhet to Bangkok is $774. 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 Sylhet to Bangkok. But we found flights with one or more stops from $774.
      As of September 2026, there are no flights flying from Sylhet to Bangkok.
      The cheapest month to fly from Sylhet to Bangkok is usually October.
      If you're flying from Sylhet Airport, the cheapest airport near Bangkok is Bangkok Suvarnabhumi – which is 28.6 km away from the centre of Bangkok. We've found flights into this airport from $774.
      After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Sylhet Airport to Bangkok on Thursday, 15 October 2026.
      No airlines currently offer direct flights between Sylhet Airport and Bangkok. 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 Bangkok 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 Bangkok is around 40 days in advance, so don’t leave your flight to the last minute.

      In September, the average temperature is usually around 29°C. April is typically the warmest month in Bangkok, when it usually averages around 35°C. You can expect the least rain in January. The coldest month is January, with temperatures averaging 21°C. The rainiest month is September.
      Currently, Biman Bangladesh Airlines offers the cheapest flight tickets to Bangkok.

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

      • Osmani International Airport is located in Sylhet. Following the UTC+7 timezone, Bangkok is one hour ahead of Sylhet.

      • For a smooth journey, turn up at the airport two hours ahead of international flights and one hour before domestic departures. This will give you enough time to catch your ZYL to Bangkok flight.

      • If you're flying during a bank holiday or another peak period, allow extra time. A good general rule is two hours ahead of domestic flights and up to four hours before international departures. Security and check-in lines will be longer.

      • To get to ZYL from central Sylhet, it'll take around 20 minutes by car. It's roughly 13 kilometres from the airport to the city centre.

      • Searching for a hotel near ZYL? If you've booked an early flight from Osmani International Airport to Bangkok, these stays set you up for a seamless send-off:

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

      • The best price we've found for a one-way Osmani International Airport to Bangkok flight is $510. The cheapest price for a return flight is $774. Remember fares may change due to availability at the time of booking.

      • To find cheap flights from ZYL to Bangkok, book early. Airlines tend to offer the most competitive fares when flights first go on sale.

      • The 'Whole month' tool will show you the cheapest tickets from Osmani International Airport to Bangkok across each month. It's a good way to snap up a bargain if your trip dates are flexible.

      • There's no need to check back constantly to find out if fares have dropped when you create a Price Alert. We'll update you when there's an even bigger deal on cheap flights from ZYL to Bangkok.

      • Choose your ideal departure and arrival times, airlines and number of stops with our filters. Then, sort the results for your flight from Osmani International Airport to Bangkok by 'Best,' 'Cheapest' or 'Fastest.'

      Airports in Bangkok

      Suvarnabhumi Airport (BKK)

      • Suvarnabhumi Airport (BKK) to the centre of Bangkok takes around 35 minutes to reach by car. The centre is roughly 32 kilometres away.

      • Travelling to the centre by public transport takes around 1 hour 5 minutes.

      • Book a hotel near BKK if you're coming in on a late flight from Osmani International Airport to Bangkok. Check in to one of these options and make arrival day easier:

      • Grab a Suvarnabhumi Airport rental car and discover Bangkok and beyond with your own wheels. Chic Car Rent, asap car hire and Hertz are leading providers to choose from here.

      • To secure the lowest price, reserve your ride from Suvarnabhumi Airport around four weeks in advance of your flight from ZYL to Bangkok.

      Don Mueang International Airport (DMK)

      • Central Bangkok is around 27 kilometres from Don Mueang International Airport (DMK). After your flight from Osmani International Airport to Bangkok has hit the runway and you've made your way to arrivals, expect a drive of about 30 minutes.

      • If you choose to travel on public transport, the ride to the centre takes 1 hour 5 minutes or so.

      • After stepping off your ZYL to Bangkok flight, tuck yourself in at a hotel close to DMK. These are some great accommodation options that'll help you get into relaxation mode:

      • The fastest way to reach your destination is with a Don Mueang International Airport rental car. Pick up your wheels from Chic Car Rent, asap car hire or Hertz and set off in the blink of an eye.

      • Avoid paying extra. Securing your ride three weeks before your arrival at DMK will save you money.

      Best time to go to Bangkok

      • Plan your trip to Bangkok during peak season if you like a bustling atmosphere, but remember that prices are generally higher. Alternatively, book flights from Osmani International Airport to Bangkok in the off-season when prices are cheaper and it's less crowded.

      • When booking your Osmani International Airport to Bangkok flight ticket, think about the weather you're most comfortable in. April is the warmest month in Bangkok, with temperatures ranging from 26ºC to 37ºC.

      • If you like cooler conditions, look for a cheap ticket from ZYL to Bangkok in December when temperatures average between 19ºC and 33ºC.

      More about Bangkok

      • Start your Bangkok trip right by choosing the ideal place to stay. As soon as you've booked your flight from Osmani International Airport to Bangkok, browse our selection of accommodation options including:

      • Wat Arun and Grand Palace are a couple of popular attractions to add to your Bangkok to-do list. Keep the adventure rolling by checking out Wat Phra Kaew.

      Explore more of Thailand

      • You've seen Bangkok, now it's time to discover other parts of Thailand. Journey around 467 kilometres north-east to Udon Thani to tick off its leading attractions. From Nong Prajak Public Park to Krom Luang Prachaksinlapakhom Monument and Chinesisches Tor, your itinerary will be busy.

      • Nakhon Ratchasima is another favourite destination in Thailand and is around 225 kilometres north-east of Bangkok. No trip is complete without dropping by Art and Culture Centre, Vongchavalitkul University, Wat Pa Salwan (Burapha Chan Chedi) and บ้านสวนเกษตรอินทรีย์ (บ้านสวนในซอย).

      Prices shown on this page are estimated lowest prices only. Found in the last 12 days.