Cheap Flights from Istanbul to Sylhet

Compare Istanbul 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 Istanbul to Sylhet Airport

Looking for a cheap last-minute deal or the best return flight from Istanbul to Sylhet Airport? If you want to travel next month, return fares start from ج.م.‏ 59,701. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Istanbul to Sylhet

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

Istanbul to Sylhet: Alternative routes

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

Istanbul to Sylhet: Flight information

The things to know before you go.
Cheapest flight foundج.م.‏ 14,298
Cheapest month to flyApril

Finding cheap flights from Istanbul to Sylhet: Frequently asked questions

The best price we found for a return flight from Istanbul to Sylhet is ج.م.‏ 35,987. 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 Istanbul to Sylhet. But we found flights with one stop from ج.م.‏ 35,987.
As of March 2026, there are no flights flying from Istanbul to Sylhet.
The cheapest month to fly from Istanbul to Sylhet is usually May.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Istanbul to Sylhet Airport on Thursday, 7 May 2026.
No airlines currently offer direct flights between Istanbul 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 Qatar Airways .

Travelling from Istanbul to Osmani International Airport (ZYL): What you need to know

  • Set your travel plans in motion by considering where you'll take off for your flight from Istanbul to Osmani International Airport (ZYL). Istanbul Ataturk Airport (IST) and Sabiha Gokcen International Airport (SAW) are Istanbul's main airports.

  • The timezone in Sylhet is UTC+6, which is three hours ahead of Istanbul. Osmani International Airport is located in Sylhet.

  • To ensure you catch your flight from Istanbul to ZYL, leave enough time for things like baggage drop and finding your gate. Turning up two hours ahead of international departures and one hour before domestic flights is the general travel rule.

  • Delays at check-in and security are more likely if you're travelling during high season, so allow even more breathing space. The recommendation for peak times? Get there up to four hours early for international flights and two hours for domestic departures.

Airports in Istanbul

Istanbul Ataturk Airport (IST)

  • Stopovers are the ideal opportunity to break up your journey and possibly even explore a different city. When browsing cheap flights from Istanbul to ZYL leaving from Istanbul Ataturk Airport (IST), deselect the 'Direct flights only' box to find out where you can stop along the way. Some popular options include:

    • Dubai Airport (DXB)

    • Hamad International Airport (DOH)

    • Hazrat Shahjalal International Airport (DAC)

  • IST is around 48 kilometres from central Istanbul. If you're catching a cab, driving or ride-sharing from the centre, it'll take 50 minutes or so to get there, depending on the traffic. If you're using public transport, expect the journey time to be around 1 hour 45 minutes.

  • Want a leisurely start to your trip? Stay near Istanbul Ataturk Airport. Whether you're boarding an early flight from Istanbul to Osmani International Airport or prefer not to rush, these hotels are just the thing:

Sabiha Gokcen International Airport (SAW)

  • Make the most of your trip with a stopover on your flight from Istanbul to Osmani International Airport. Here's where you can connect between Sabiha Gokcen International Airport and ZYL:

    • Dubai Airport (DXB)

    • Hamad International Airport (DOH)

    • Muscat International Airport (MCT)

  • Using public transport, you can travel from central Istanbul to SAW in around 1 hour 30 minutes. The terminal is roughly 48 kilometres away, and making the trip by car takes approximately 55 minutes.

  • Get a head start on your holiday with an additional night away from home. Before your Istanbul to ZYL flight, unwind in one of these hotels near Sabiha Gokcen International Airport:

  • Sabiha Gokcen International Airport has an on-time performance of 76.93%. This figure provides insight into how often flights that take off from this airport land at their destination on schedule.

About Osmani International Airport (ZYL)

  • If you're coming in on a late flight from Istanbul to Osmani International Airport, few things beat the convenience of staying near the terminal. Pick up your luggage at baggage claim and then be showered and snoozing not long after at one of these options near ZYL:

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

  • The lowest price we've found for a one-way ticket from Istanbul to Osmani International Airport is ج.م.‏ 14,298. For a return flight on this route, the best price is ج.م.‏ 35,987. Depending on the availability and when you book, these fares may change.

  • Don't leave things to the last moment. You're more likely to find cheap flights from Istanbul to ZYL if you book early. Airlines often have some fantastic early bird deals.

  • If you can be flexible with your trip dates, use the 'Whole month' tool. It'll show you the lowest price in every month when searching for your Istanbul to Osmani International Airport ticket.

  • You don't need to check back in every day to find out if prices have dropped when you set up a Price Alert. We'll notify you as soon as a better deal is available on flight tickets from Istanbul to ZYL.

  • Find the best deal on a flight from Istanbul to Osmani International Airport with the help of the filters. Pick your ideal arrival and departure times, airlines and number of stops. You can also sort your results by 'Cheapest,' 'Best' or 'Fastest.'

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

  • July is the most popular month for flights from Istanbul to Osmani International Airport (ZYL). Visit Sylhet in February if you prefer a quieter experience.

  • Before locking in your Istanbul to ZYL flight ticket, consider what kind of weather works for you. April is the warmest month in Sylhet, with temperatures ranging from 21ºC to 35ºC.

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

More about Sylhet

  • Start your Sylhet trip off on the right foot by choosing the perfect place to stay. As soon as you've booked your flight from Istanbul to Osmani International Airport, explore our range of hotels including:

  • All great adventures should include a little sightseeing. Ratargul, TEA ESTATE and Lakkatura Tea Garden are must-do's during your Sylhet adventure.

Explore more of Bangladesh

  • You've done Sylhet, now it's time to discover more of Bangladesh. Journey about 209 kilometres south-west to Dhaka to tick off its leading attractions. From Taj Jaame Masjid to Shahi Mosque and Tajmahal Park, there's plenty to keep you busy.

  • If you're eager to discover another great destination in Bangladesh, head for Chittagong, roughly 290 kilometres south of Sylhet. Iskcon temple, 5no. Mohra ward, Chottagram, Bangladesh, Chattogram Marine Drive and Dakshin Kattali Sea Beach are among its highlights.

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