Are direct flights from Sylhet to Bangkok always the best option?

Direct flights offer convenience by saving time and avoiding layovers, but they are not always the most economical choice. Flights with one or more connections can sometimes be significantly cheaper. Consider your priorities for cost versus travel time when making your decision.

Can flexible travel dates help on Sylhet to Bangkok flights?

Yes, being flexible with your travel dates can often lead to finding more affordable flight options. Prices can vary significantly depending on the day of the week or specific dates you choose to fly. Adjusting your departure or return by a few days may result in notable savings.

What extra costs should I check before booking Sylhet to Bangkok flights?

Before booking, always check for potential extra costs such as baggage fees, seat selection charges, and in-flight services. Some airlines may also charge for printing boarding passes at the airport. Understanding these additional expenses can help you calculate the true total cost of your trip.

Flights From Sylhet

To Bangkok

Cheap Flights from Sylhet to Bangkok

Browse current best options from Sylhet. Become a member to unlock all deals and get alerts when new deals appear.

Deals from

Sylhet

RatePunk searches hundreds of travel sites at once for deals on flights to Bangkok

Prices updated 2 days ago

461 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Sep 14, 2026.)

Today’s best flight deals from Sylhet to Bangkok

Explore current cheapest deals departing from Sylhet to Bangkok

2026-10-07 – 2026-10-14
ZYL - Bangkok
43% AI deal score
$276
$369
Round trip
2026-10-14 – 2026-10-23
ZYL - Bangkok
43% AI deal score
$261
$369
Round trip
2026-10-05 – 2026-10-12
ZYL - Bangkok
43% AI deal score
$276
$381
Round trip
2026-10-16 – 2026-10-24
ZYL - Bangkok
43% AI deal score
$264
$381
Round trip
2026-09-30 – 2026-10-04
ZYL - Bangkok
45% AI deal score
$360
$381
Round trip
2026-10-29 – 2026-11-05
ZYL - Bangkok
42% AI deal score
$271
$385
Round trip
2026-10-11 – 2026-10-12
ZYL - Bangkok
44% AI deal score
$286
$402
Round trip
2026-09-28 – 2026-09-29
ZYL - Bangkok
45% AI deal score
$358
$408
Round trip
2026-09-29 – 2026-09-30
ZYL - Bangkok
44% AI deal score
$344
$412
Round trip
2026-10-01 – 2026-10-17
ZYL - Bangkok
42% AI deal score
$242
$414
Round trip

Sylhet to Bangkok: Overview

Insights for flights from Sylhet to Bangkok

A typical journey from Sylhet to Bangkok takes about 14h 30m, including connections. Given that most itineraries connect at least once, this duration accounts for the layovers you can expect. When flying this route, you will typically encounter 1 stopover on connecting flights.

For travelers seeking cheap flights from Sylhet to Bangkok, prices typically range from $307–$369, with a median of $338. Right now, current fares are below the typical level. However, 0% of recent fares were classified as a good price, indicating that finding exceptional deals can be challenging.

The cheapest time to fly from Sylhet to Bangkok is generally in October, with a median fare of $251. Other favorable months include September, where the median fare is $279, and July, with a median of $299. New deals for this route appear almost daily, offering frequent opportunities to find better prices.

The flight distance between Sylhet and Bangkok is 1561 kilometers, classifying it as a medium-haul route. This distance means you can expect a journey that is longer than short regional hops but not as extensive as intercontinental travel.

How much is a round trip from Sylhet to Bangkok

Regular price: $291 - $570

Prices for flights from Sylhet to Bangkok are currently within the regular range.

The regular price range for flights from Sylhet to Bangkok is between 291 USD and 570 USD. The current lowest deal is 367 USD with Biman Bangladesh Airlines for travel from Sep 27-Oct 2.

now $367

Low $291

High $570

The cheapest time to fly from Sylhet to Bangkok

The cheapest month to fly from ZYL to BKK is October, with a median price of $251. The most expensive month is August, with a median price of $359. Prices are generally lower from March to October.

October

Cheapest

Flights from $251

August

Most Expensive

Flights from $359

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Direct flights from Sylhet to Bangkok

Biman Bangladesh Airlines

Thai Airways International

British International Helicopters

AirAsia

Last-minute flights going from Sylhet to Bangkok

Wed, Sep 16

⌛ Last-Minute

ZYL - Bangkok

Sylhet (ZYL) - Bangkok (BKK)

Biman Bangladesh Airlines, Thai Airways International

$354

$455

One-way

Wed, Sep 16

⌛ Last-Minute

ZYL - Bangkok

Sylhet (ZYL) - Bangkok (BKK)

Biman Bangladesh Airlines, Thai Airways International

$357

$488

One-way

Thu, Sep 17

⌛ Last-Minute

ZYL - Bangkok

Sylhet (ZYL) - Bangkok (BKK)

British International Helicopters

$402

$446

One-way

Mon, Sep 21

⌛ Last-Minute

ZYL - Bangkok

Sylhet (ZYL) - Bangkok (DMK)

British International Helicopters, AirAsia

$399

$392

One-way

Tue, Sep 22

⌛ Last-Minute

ZYL - Bangkok

Sylhet (ZYL) - Bangkok (BKK)

British International Helicopters, Thai Airways International

$371

$457

One-way

Tue, Sep 22

⌛ Last-Minute

ZYL - Bangkok

Sylhet (ZYL) - Bangkok (BKK)

British International Helicopters, Thai Airways International

$328

$466

One-way

Biggest price drops on these dates for flights from Sylhet to Bangkok

2 nights

Sep 22 - Sep 24

$420 → $394

7 nights

Sep 17 - Sep 24

$402 → $449

12%

5 nights

Sep 22 - Sep 27

$389 → $457

17%

3 nights

Oct 11 - Oct 14

$292 → $376

29%

Popular Airports to fly from Sylhet to Bangkok

Sylhet - Bangkok route insights

💸 Price insights

Recent fares are below the typical level

Recent fares are below the typical level for this route, with a median price of $338.

📅 Best time to fly

October is historically cheapest

Historically, October is the cheapest month to fly, with a median price of $251.

⏱️ Flight duration

Connecting flights average 14h 30m

Connecting flights on this route typically average 14 hours and 30 minutes.

✈️ Airlines & availability

Connecting flights are dominant

Connecting flights are dominant, with a median of 1 stopover on this route.

🏆 Airline highlight

Biman Bangladesh Airlines offers deals

Biman Bangladesh Airlines has offered 87 deals for this route recently.

🎯 Booking tip

Deals appear frequently

Deals for flights on this route appear frequently, within a 30-day window.

Sylhet main airports to depart from

Osmani International (ZYL)

Cheapest

Osmani International Airport is a convenient option for flights from Sylhet to Bangkok.

📍 ~7 km from city center (reachable by car)

💸 Flights from ~$408

Bangkok main airports to arrive at

Suvarnabhumi (BKK)

Cheapest

Suvarnabhumi Airport is a primary arrival option for flights from Sylhet to Bangkok.

📍 ~28 km from city center (reachable by car)

💸 Flights from ~$372

Airports nearby Bangkok used as alternative

U-Tapao International (UTP)

U-Tapao International is a practical alternative with international-standard facilities and easy road access from Bangkok.

📍 ~140 km from Bangkok (reachable by car)

💸 Flights from ~$657

Business & First Class Flight Deals to Bangkok

$1,039

Save $473

Biman Bangladesh Airlines, +1

Business Class

From ZYL

Elite

Oct 14

Bangkok, Thailand

70% AI deal score

$1,512

$1,084

Save $428

Biman Bangladesh Airlines, +1

Business Class

From ZYL

Elite

Sep 19

Bangkok, Thailand

70% AI deal score

$1,637

$1,142

Save $495

Biman Bangladesh Airlines, +1

Business Class

From ZYL

Elite

Sep 15

Bangkok, Thailand

69% AI deal score

$1,561

$1,110

Save $451

Biman Bangladesh Airlines

Business Class

From ZYL

Elite

Sep 16

Bangkok, Thailand

69% AI deal score

$1,573

$1,112

Save $461

Biman Bangladesh Airlines

Business Class

From ZYL

Elite

Sep 18

Bangkok, Thailand

69% AI deal score

$1,603

$1,112

Save $491

Biman Bangladesh Airlines

Business Class

Frequently Asked Questions About Flights to Bangkok

To find more affordable flights, consider being flexible with your travel dates and times. Comparing prices across different airlines and booking sites can often reveal better deals. Setting up price alerts may also help you catch drops in fares.

Booking in advance, often several months before your intended travel date, can sometimes result in lower prices. However, prices can fluctuate, so monitoring fares over time may help you identify a good booking window. Weekday bookings might also offer different rates.

Comparing nearby airports at both your origin and destination can sometimes provide more flight options and potentially lower fares. It's often worth checking if traveling a short distance to or from an alternative airport could save you money. Be sure to factor in ground transportation costs and time.

Related routes

More routes from Sylhet

Flights from Sylhet to New Delhi Flights from Sylhet to Tokyo

Flights to Bangkok from other cities

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Sylhet to Bangkok: Overview

Insights for flights from Sylhet to Bangkok

How much is a round trip from Sylhet to Bangkok

Regular price: $291 - $570

Prices for flights from Sylhet to Bangkok are currently within the regular range.

The regular price range for flights from Sylhet to Bangkok is between 291 USD and 570 USD. The current lowest deal is 367 USD with Biman Bangladesh Airlines for travel from Sep 27-Oct 2.

now $367

Low $291

High $570

The cheapest time to fly from Sylhet to Bangkok

The cheapest month to fly from ZYL to BKK is October, with a median price of $251. The most expensive month is August, with a median price of $359. Prices are generally lower from March to October.

October

Cheapest

Flights from $251

August

Most Expensive

Flights from $359

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Direct flights from Sylhet to Bangkok

Biman Bangladesh Airlines

Thai Airways International

British International Helicopters

AirAsia

Last-minute flights going from Sylhet to Bangkok

Wed, Sep 16

⌛ Last-Minute

ZYL - Bangkok

Sylhet (ZYL) - Bangkok (BKK)

Biman Bangladesh Airlines, Thai Airways International

$354

$455

One-way

Wed, Sep 16

⌛ Last-Minute

ZYL - Bangkok

Sylhet (ZYL) - Bangkok (BKK)

Biman Bangladesh Airlines, Thai Airways International

$357

$488

One-way

Thu, Sep 17

⌛ Last-Minute

ZYL - Bangkok

Sylhet (ZYL) - Bangkok (BKK)

British International Helicopters

$402

$446

One-way

Mon, Sep 21

⌛ Last-Minute

ZYL - Bangkok

Sylhet (ZYL) - Bangkok (DMK)

British International Helicopters, AirAsia

$399

$392

One-way

Tue, Sep 22

⌛ Last-Minute

ZYL - Bangkok

Sylhet (ZYL) - Bangkok (BKK)

British International Helicopters, Thai Airways International

$371

$457

One-way

Tue, Sep 22

⌛ Last-Minute

ZYL - Bangkok

Sylhet (ZYL) - Bangkok (BKK)

British International Helicopters, Thai Airways International

$328

$466

One-way

Biggest price drops on these dates for flights from Sylhet to Bangkok

2 nights

Sep 22 - Sep 24

$420 → $394

7 nights

Sep 17 - Sep 24

$402 → $449

12%

5 nights

Sep 22 - Sep 27

$389 → $457

17%

3 nights

Oct 11 - Oct 14

$292 → $376

29%

Popular Airports to fly from Sylhet to Bangkok

Sylhet - Bangkok route insights

💸 Price insights

Recent fares are below the typical level

Recent fares are below the typical level for this route, with a median price of $338.

📅 Best time to fly

October is historically cheapest

Historically, October is the cheapest month to fly, with a median price of $251.

⏱️ Flight duration

Connecting flights average 14h 30m

Connecting flights on this route typically average 14 hours and 30 minutes.

✈️ Airlines & availability

Connecting flights are dominant

Connecting flights are dominant, with a median of 1 stopover on this route.

🏆 Airline highlight

Biman Bangladesh Airlines offers deals

Biman Bangladesh Airlines has offered 87 deals for this route recently.

🎯 Booking tip

Deals appear frequently

Deals for flights on this route appear frequently, within a 30-day window.

Sylhet main airports to depart from

Osmani International (ZYL)

Cheapest

Osmani International Airport is a convenient option for flights from Sylhet to Bangkok.

📍 ~7 km from city center (reachable by car)

💸 Flights from ~$408

Bangkok main airports to arrive at

Suvarnabhumi (BKK)

Cheapest

Suvarnabhumi Airport is a primary arrival option for flights from Sylhet to Bangkok.

📍 ~28 km from city center (reachable by car)

💸 Flights from ~$372

Airports nearby Bangkok used as alternative

U-Tapao International (UTP)

U-Tapao International is a practical alternative with international-standard facilities and easy road access from Bangkok.

Bangkok, Thailand

69% AI deal score

$1,603

$1,112

Save $491

Biman Bangladesh Airlines

Business Class

Frequently Asked Questions About Flights to Bangkok

Cheap Flights from Sylhet to Bangkok

Today’s best flight deals from Sylhet to Bangkok

Sylhet to Bangkok: Overview

Insights for flights from Sylhet to Bangkok

How much is a round trip from Sylhet to Bangkok

The cheapest time to fly from Sylhet to Bangkok

Direct flights from Sylhet to Bangkok

Last-minute flights going from Sylhet to Bangkok

Biggest price drops on these dates for flights from Sylhet to Bangkok

Popular Airports to fly from Sylhet to Bangkok

Sylhet - Bangkok route insights

Recent fares are below the typical level

October is historically cheapest

Connecting flights average 14h 30m

Connecting flights are dominant

Biman Bangladesh Airlines offers deals

Deals appear frequently

Sylhet main airports to depart from

Bangkok main airports to arrive at

Airports nearby Bangkok used as alternative

Business & First Class Flight Deals to Bangkok

Best Elite deals to Bangkok

Sep 16

Sep 23

Sep 22

Sep 15

Sep 22

Sep 15

Oct 13

Oct 14

Sep 19

Sep 15

Sep 16

Sep 18

Frequently Asked Questions About Flights to Bangkok

How can I find cheap flights from Sylhet to Bangkok?

When should I book flights from Sylhet to Bangkok?

Should I compare nearby airports for flights from Sylhet to Bangkok?

Are direct flights from Sylhet to Bangkok always the best option?

Can flexible travel dates help on Sylhet to Bangkok flights?

What extra costs should I check before booking Sylhet to Bangkok flights?

Related routes

More routes from Sylhet

Flights to Bangkok from other cities

Sylhet to Bangkok: Overview

Insights for flights from Sylhet to Bangkok

How much is a round trip from Sylhet to Bangkok

The cheapest time to fly from Sylhet to Bangkok

Direct flights from Sylhet to Bangkok

Last-minute flights going from Sylhet to Bangkok

Biggest price drops on these dates for flights from Sylhet to Bangkok

Popular Airports to fly from Sylhet to Bangkok

Sylhet - Bangkok route insights

Recent fares are below the typical level

October is historically cheapest

Connecting flights average 14h 30m

Connecting flights are dominant

Biman Bangladesh Airlines offers deals

Deals appear frequently

Sylhet main airports to depart from

Bangkok main airports to arrive at

Airports nearby Bangkok used as alternative

Business & First Class Flight Deals to Bangkok

Best Elite deals to Bangkok

Sep 16

Sep 23

Sep 22

Sep 15

Sep 22

Sep 15

Oct 13

Oct 14

Sep 19

Sep 15

Sep 16

Sep 18

Frequently Asked Questions About Flights to Bangkok

How can I find cheap flights from Sylhet to Bangkok?

When should I book flights from Sylhet to Bangkok?

Should I compare nearby airports for flights from Sylhet to Bangkok?