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
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Prices updated 24 days ago
486,190 searches this week
171 airlines compared
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Fares are subject to change and may not be available for all dates. (Data last updated May 29, 2026.)
Today’s best flight deals from Sylhet to Bangkok
Explore current cheapest deals departing from Sylhet to Bangkok
Round trip
Sort by: Cheapest
June 27 - June 28
ZYL - Bangkok
$338
$467
Round trip
July 16 - July 17
ZYL - Bangkok
$285
$470
Round trip
July 19 - July 20
ZYL - Bangkok
$284
$470
Round trip
July 2 - July 3
ZYL - Bangkok
$300
$470
Round trip
July 17 - July 18
ZYL - Bangkok
$285
$471
Round trip
July 5 - July 6
ZYL - Bangkok
$295
$473
Round trip
July 28 - July 29
ZYL - Bangkok
$278
$473
Round trip
July 23 - July 24
ZYL - Bangkok
$280
$474
Round trip
July 18 - July 19
ZYL - Bangkok
$285
$474
Round trip
July 25 - July 26
ZYL - Bangkok
$280
$474
Round trip
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Route Intelligence — 486,190 Searches this Week
Insights for flights from Sylhet to Bangkok
How much is a round trip from Sylhet to Bangkok
Regular price: $278 - $425
Prices for flights from Sylhet to Bangkok are currently above the regular range.
Regular prices for flights from Sylhet to Bangkok typically range from $278 to $425. The current lowest deal is $467 with Biman Bangladesh Airlines for travel from June 27 to June 28.
now $467
Low $278
High $425
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
Flights from $251
August
Flights from $359
Direct flights from Sylhet to Bangkok
Thai Airways International
Biman Bangladesh Airlines
British International Helicopters
Last-minute flights going from Sylhet to Bangkok
Sun, Jun 21
ZYL - Bangkok
Sylhet (ZYL) - Bangkok (BKK)
Biman Bangladesh Airlines, Thai Airways International
$382
$788
One-way
Mon, Jun 22
ZYL - Bangkok
Sylhet (ZYL) - Bangkok (BKK)
British International Helicopters, Thai Airways International
$383
$487
One-way
Tue, Jun 23
ZYL - Bangkok
Sylhet (ZYL) - Bangkok (BKK)
British International Helicopters, Thai Airways International
$367
$481
One-way
Thu, Jun 25
ZYL - Bangkok
Sylhet (ZYL) - Bangkok (BKK)
British International Helicopters, Thai Airways International
$349
$485
One-way
Fri, Jun 26
ZYL - Bangkok
Sylhet (ZYL) - Bangkok (BKK)
Biman Bangladesh Airlines, Thai Airways International
$338
$475
One-way
Sat, Jun 27
ZYL - Bangkok
Sylhet (ZYL) - Bangkok (BKK)
Biman Bangladesh Airlines, Thai Airways International
$338
$467
One-way
Biggest price drops on these dates for flights from Sylhet to Bangkok
Jun 22 - Jun 23
$383 → $487
27%
Jun 23 - Jun 24
$367 → $481
31%
Jun 27 - Jun 28
$338 → $467
38%
Jun 25 - Jun 26
$349 → $485
39%
Popular Airports to fly from Sylhet to Bangkok
Sylhet - Bangkok route insights
💸 Price insights
Recent fares are below the typical level
Recent fares from Sylhet to Bangkok are below the typical level, with a median price of $332.
📅 Best time to fly
October is historically cheapest at $251
Historically, October is the cheapest month to fly from Sylhet to Bangkok, with a median price of $251.
⏱️ Flight duration
Connecting flights average 14h 30m
Connecting flights from Sylhet to Bangkok typically average 14 hours and 30 minutes.
✈️ Airlines & availability
Connecting flights are dominant
This route is dominated by connecting flights, with a median of 1 stopover.
🏆 Airline highlight
Biman Bangladesh Airlines offers connecting flights
Biman Bangladesh Airlines is a prominent carrier offering connecting flights on this route.
🎯 Booking tip
Deals appear frequently
Deals for flights from Sylhet to Bangkok appear frequently, about 0.53 times per day.
Sylhet main airports to depart from
Osmani International (ZYL)
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)
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
Don Mueang International (DMK)
Don Mueang International Airport is an alternative arrival option for flights from Sylhet to Bangkok.
📍 ~20 km from city center (reachable by car or public transport)
💸 Flights from ~$537
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
Hua Hin (HHQ)
Hua Hin (HHQ) is convenient for travelers located in the southern part of Bangkok, despite limited flights.
📍 ~140 km from Bangkok (reachable by road or rail).
💸 Flights from ~$780
Trat (TDX)
Trat (TDX) offers reliable domestic connections and is accessible by road, though it is a small regional airport.
📍 ~220 km from Bangkok (reachable by road).
💸 Flights from ~$572
Khon Kaen (KKC)
Khon Kaen (KKC) is a major regional hub with frequent domestic flights, but is a considerable distance from Bangkok.
📍 ~390 km from Bangkok (reachable by long drive or connecting flight).
💸 Flights from ~$508
Udon Thani International (UTH)
Udon Thani International (UTH) is a large international-standard terminal with frequent domestic connections, but is a distant option.
📍 ~490 km from Bangkok (reachable by long drive or connecting flight).
💸 Flights from ~$525
Business & First Class Flight Deals to Bangkok
Discover luxury on the budget with premium cabin class on flights from Sylhet to Bangkok.
Elite
Best Elite deals to Bangkok
Exclusive daily First Class, Business Class, and Premium Economy flight deals, refreshed every 24 hours.
From ZYL
Elite
Jun 24
Bangkok, Thailand
68% AI deal score
$1,500
$1,206
Save $294
From ZYL
Elite
Nov 13
Bangkok, Thailand
67% AI deal score
$1,301
$1,087
Save $214
From ZYL
Elite
Jun 28
Bangkok, Thailand
67% AI deal score
$1,303
$1,119
Save $184
From ZYL
Elite
Jun 24
Bangkok, Thailand
67% AI deal score
$1,293
$1,163
Save $130
From ZYL
Elite
Jun 23
Bangkok, Thailand
67% AI deal score
$1,341
$1,186
Save $155
From ZYL
Elite
Aug 13
Bangkok, Thailand
67% AI deal score
$1,352
$1,192
Save $160
From ZYL
Elite
Jun 25
Bangkok, Thailand
66% AI deal score
$1,316
$1,182
Save $134
From ZYL
Elite
Jun 27
Bangkok, Thailand
66% AI deal score
$1,308
$1,196
Save $112
From ZYL
Elite
Jun 23
Bangkok, Thailand
66% AI deal score
$1,316
$1,199
Save $117
From ZYL
Elite
Jul 03
Bangkok, Thailand
65% AI deal score
$1,387
$1,228
Save $159
From ZYL
Elite
Jul 01
Bangkok, Thailand
65% AI deal score
$1,401
$1,228
Save $173
From ZYL
Elite
Jul 01
Bangkok, Thailand
50% AI deal score
$1,345
$1,228
Save $117
From ZYL
Elite
Jul 01
Bangkok, Thailand
50% AI deal score
$1,362
$1,228
Save $134
From ZYL
Elite
Jul 03
Bangkok, Thailand
50% AI deal score
$1,361
$1,228
Save $133
From ZYL
Elite
Sep 11
Bangkok, Thailand
50% AI deal score
$1,442
$1,284
Save $158
From ZYL
Elite
Sep 16
Bangkok, Thailand
50% AI deal score
$1,428
$1,284
Save $144
From ZYL
Elite
Sep 11
Bangkok, Thailand
50% AI deal score
$1,420
$1,284
Save $136
From ZYL
Elite
Jul 03
Bangkok, Thailand
49% AI deal score
$1,319
$1,228
Save $91
From ZYL
Elite
Jun 24
Bangkok, Thailand
49% AI deal score
$1,293
$1,228
Save $65
From ZYL
Elite
Jun 26
Bangkok, Thailand
49% AI deal score
$1,298
$1,228
Save $70
From ZYL
Elite
Jun 24
Bangkok, Thailand
49% AI deal score
$1,304
$1,228
Save $76
From ZYL
Elite
Jul 01
Bangkok, Thailand
49% AI deal score
$1,345
$1,278
Save $67
From ZYL
Elite
Sep 02
Bangkok, Thailand
49% AI deal score
$1,371
$1,284
Save $87
From ZYL
Elite
Sep 23
Bangkok, Thailand
49% AI deal score
$1,395
$1,284
Save $111
From ZYL
Elite
Sep 09
Bangkok, Thailand
49% AI deal score
$1,408
$1,284
Save $124
From ZYL
Elite
Sep 04
Bangkok, Thailand
49% AI deal score
$1,392
$1,284
Save $108
From ZYL
Elite
Sep 02
Bangkok, Thailand
49% AI deal score
$1,358
$1,284
Save $74
From ZYL
Elite
Sep 18
Bangkok, Thailand
49% AI deal score
$1,398
$1,284
Save $114
From ZYL
Elite
Jun 26
Bangkok, Thailand
48% AI deal score
$1,278
$1,228
Save $50
From ZYL
Elite
Jun 26
Bangkok, Thailand
48% AI deal score
$1,279
$1,228
Save $51
From ZYL
Elite
Jun 26
Bangkok, Thailand
48% AI deal score
$1,324
$1,278
Save $46
From ZYL
Elite
Jun 24
Bangkok, Thailand
48% AI deal score
$1,328
$1,278
Save $50
From ZYL
Elite
Jul 03
Bangkok, Thailand
48% AI deal score
$1,317
$1,278
Save $39
From ZYL
Elite
Aug 21
Bangkok, Thailand
48% AI deal score
$1,304
$1,284
Save $20
From ZYL
Elite
Aug 05
Bangkok, Thailand
48% AI deal score
$1,340
$1,290
Save $50
From ZYL
Elite
Jun 30
Bangkok, Thailand
47% AI deal score
$1,273
From ZYL
Elite
Jun 21
Bangkok, Thailand
40% AI deal score
$1,854
From ZYL
Elite
Jun 22
Bangkok, Thailand
40% AI deal score
$1,854