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

Direct flights offer convenience and save time, but they are not always the most budget-friendly choice. Flights with one or more layovers can often be cheaper, though they will extend your travel duration. 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 flights. Prices can vary significantly depending on the day of the week or time of year. Shifting your departure or return by a few days may unlock better deals.

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. Factor these into your total travel budget to avoid surprises.

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

405 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Jul 26, 2026.)

Today’s best flight deals from Sylhet to Bangkok

Explore current cheapest deals departing from Sylhet to Bangkok

2026-08-16 – 2026-08-17
ZYL - Bangkok
44% AI deal score
$325
$407
Round trip
2026-08-08 – 2026-08-09
ZYL - Bangkok
45% AI deal score
$334
$407
Round trip
2026-08-10 – 2026-08-11
ZYL - Bangkok
44% AI deal score
$334
$407
Round trip
2026-08-09 – 2026-08-10
ZYL - Bangkok
45% AI deal score
$335
$407
Round trip
2026-08-14 – 2026-08-15
ZYL - Bangkok
44% AI deal score
$325
$407
Round trip
2026-08-01 – 2026-08-02
ZYL - Bangkok
44% AI deal score
$361
$407
Round trip
2026-07-29 – 2026-07-30
ZYL - Bangkok
46% AI deal score
$328
$411
Round trip
2026-08-13 – 2026-08-14
ZYL - Bangkok
44% AI deal score
$329
$411
Round trip
2026-08-12 – 2026-08-13
ZYL - Bangkok
44% AI deal score
$328
$411
Round trip
2026-07-28 – 2026-07-29
ZYL - Bangkok
46% AI deal score
$324
$419
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 on this route involve at least one stopover, this duration reflects the overall travel time rather than a direct flight.

For travelers seeking cheap flights from Sylhet to Bangkok, the fares typically range from $307–$369, with a median of $338. Right now, current fares are significantly below the typical level, indicating a potentially favorable time to book. However, the share of recent fares classified as a good price is 0%, suggesting that exceptionally low prices are not currently prevalent.

The cheapest time to fly from Sylhet to Bangkok is often in October, with a median fare of $251. Following closely, September also offers competitive prices, with a median fare of $279. July is another favorable month, showing a median fare of $299.

Most itineraries from Sylhet to Bangkok are not direct, as 0% of recent fares were non-stop. This means that most itineraries connect at least once, with the typical number of connections being 1 when a stopover is involved. New deals for this route appear almost daily, making it beneficial to monitor prices regularly.

The distance between Sylhet and Bangkok is approximately 1561 kilometers, classifying this as a medium-haul route. This distance typically involves a flight duration that is longer than short-haul trips but shorter than long-haul international travel.

How much is a round trip from Sylhet to Bangkok

Regular price: $261 - $428

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

The regular price range for flights from Sylhet to Bangkok is 261 USD to 428 USD. The current lowest deal is 407 USD with British International Helicopters, for travel from Aug 23-Aug 24.

now $407

Low $261

High $428

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

Thai Airways International

Biman Bangladesh Airlines

British International Helicopters

IndiGo

Last-minute flights going from Sylhet to Bangkok

Thu, Aug 6

⌛ Last-Minute

ZYL - Bangkok

Sylhet (ZYL) - Bangkok (BKK)

Biman Bangladesh Airlines, Thai Airways International

$368

$426

One-way

Thu, Aug 6

⌛ Last-Minute

ZYL - Bangkok

Sylhet (ZYL) - Bangkok (BKK)

Biman Bangladesh Airlines, Thai Airways International

$365

$457

One-way

Thu, Aug 6

⌛ Last-Minute

ZYL - Bangkok

Sylhet (ZYL) - Bangkok (BKK)

Biman Bangladesh Airlines, Thai Airways International

$311

$458

One-way

Thu, Aug 6

⌛ Last-Minute

ZYL - Bangkok

Sylhet (ZYL) - Bangkok (BKK)

Biman Bangladesh Airlines, Thai Airways International

$342

$507

One-way

Thu, Aug 6

⌛ Last-Minute

ZYL - Bangkok

Sylhet (ZYL) - Bangkok (BKK)

Biman Bangladesh Airlines, Thai Airways International

$363

$507

One-way

Sat, Aug 8

⌛ Last-Minute

ZYL - Bangkok

Sylhet (ZYL) - Bangkok (BKK)

Biman Bangladesh Airlines, Thai Airways International

$353

$449

One-way

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

1 night

Aug 10 - Aug 11

$340 → $397

17%

1 night

Aug 6 - Aug 7

$368 → $426

16%

1 night

Aug 17 - Aug 18

$332 → $407

23%

1 night

Sep 1 - Sep 2

$319 → $408

28%

Popular Airports to fly from Sylhet to Bangkok

Sylhet - Bangkok route insights

💸 Price insights

Recent fares are above the typical level

Recent fares for Sylhet to Bangkok are above the typical level at $407.

📅 Best time to fly

Fly in October for the best prices

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

⏱️ Flight duration

Expect a 14h 30m flight duration

Flights from Sylhet to Bangkok typically take 14h 30m, with 1 stopover when connecting.

✈️ Airlines & availability

Connecting flights are typical for this route

Direct flights are not common. Connecting flights are more frequent for this route.

🏆 Airline highlight

Thai Airways International offers 49 deals

Thai Airways International has 49 deals from Sylhet to Bangkok, making it a frequent choice.

🎯 Booking tip

Deals are frequent on this route

Historically, deals from Sylhet to Bangkok appear frequently, offering more opportunities to save.

Sylhet main airports to depart from

Osmani International (ZYL)

Cheapest

Departing from Sylhet, this airport offers the cheapest flights to Bangkok.

📍 ~11 km from city center (reachable by car)

💸 Flights from ~$467

Bangkok main airports to arrive at

Suvarnabhumi (BKK)

Cheapest

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

📍 ~25 km from city center (reachable by car or public transport)

💸 Flights from ~$467

Airports nearby Bangkok used as alternative

U-Tapao International (UTP)

U-Tapao International (UTP) is a practical alternative due to its proximity and role as a secondary hub.

📍 ~135 km from Bangkok (reachable by road).

💸 Flights from ~$651

Business & First Class Flight Deals to Bangkok

50% AI deal score

$1,345

$1,228

Save $117

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 also help you discover better deals. Looking into flights with layovers may sometimes present lower fares than direct options.

Booking in advance often provides more competitive prices, especially for popular routes. However, last-minute deals can sometimes appear, though they are less predictable. Monitoring price trends over several weeks may help you identify an opportune booking window.

Comparing nearby airports at both your origin and destination can sometimes reveal different flight options and potentially lower prices. While it may add to your ground travel, the savings on airfare can sometimes be significant. Always factor in the total cost and time for transportation to and from these alternative airports.

Related routes

More routes from Sylhet

Flights from Sylhet to New Delhi Flights from Sylhet to Tokyo

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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: $261 - $428

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

The regular price range for flights from Sylhet to Bangkok is 261 USD to 428 USD. The current lowest deal is 407 USD with British International Helicopters, for travel from Aug 23-Aug 24.

now $407

Low $261

High $428

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