$146 Cheap Bangkok Airways flights Bangkok (BKK) to Samui Intl. Airport (USM)

View $146 flight on Sat, Jan 3, 2026Opens in a new window

$146 Cheap Bangkok Airways flights Bangkok (BKK) to Samui Intl. Airport (USM)

Prices were available within the past 7 days and start at $146 for one-way flights and $295 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Bangkok Airways
Thu, May 7 - Sun, May 10
BKK
Bangkok
USM
Koh Samui
$295 Roundtrip, found 3 days ago
$295
Roundtrip
found 3 days ago
Select Bangkok Airways flight, departing Thu, May 7 from Bangkok to Koh Samui, returning Sun, May 10, priced at $295 found 3 days ago
Bangkok Airways
Wed, Mar 11 - Mon, Mar 16
BKK
Bangkok
USM
Koh Samui
$296 Roundtrip, found 2 hours ago
$296
Roundtrip
found 2 hours ago
Select Bangkok Airways flight, departing Wed, Mar 11 from Bangkok to Koh Samui, returning Mon, Mar 16, priced at $296 found 2 hours ago
Bangkok Airways
Thu, Jan 1 - Wed, Jan 7
BKK
Bangkok
USM
Koh Samui
$298 Roundtrip, just found
$298
Roundtrip
just found
Select Bangkok Airways flight, departing Thu, Jan 1 from Bangkok to Koh Samui, returning Wed, Jan 7, priced at $298 just found
Bangkok Airways
Sat, Dec 27 - Wed, Dec 31
BKK
Bangkok
USM
Koh Samui
$304 Roundtrip, found 3 hours ago
$304
Roundtrip
found 3 hours ago
Select Bangkok Airways flight, departing Sat, Dec 27 from Bangkok to Koh Samui, returning Wed, Dec 31, priced at $304 found 3 hours ago
Bangkok Airways
Wed, Mar 25 - Tue, Mar 31
BKK
Bangkok
USM
Koh Samui
$306 Roundtrip, found 3 days ago
$306
Roundtrip
found 3 days ago
Select Bangkok Airways flight, departing Wed, Mar 25 from Bangkok to Koh Samui, returning Tue, Mar 31, priced at $306 found 3 days ago
Bangkok Airways
Wed, Mar 11 - Mon, Mar 16
BKK
Bangkok
USM
Koh Samui
$307 Roundtrip, found 2 hours ago
$307
Roundtrip
found 2 hours ago
Select Bangkok Airways flight, departing Wed, Mar 11 from Bangkok to Koh Samui, returning Mon, Mar 16, priced at $307 found 2 hours ago

Find the cheapest month to fly from Bangkok (BKK) to Koh Samui (USM)

May is typically the cheapest month to fly

From $184 - $288 per traveler.

Alternative airports near Koh Samui

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Samui Intl. Airport USM. Cheapest and Closest option available. Average driving time to city center is 31 minutes. Flights from $296
USM
Samui Intl. Airport
CheapestClosest
Average driving time to city center31 min
Flights from $296
Flights from Bangkok (BKK) to Samui Intl. Airport (USM)
Origin airport
Suvarnabhumi Intl.
Destination airport
Samui Intl. Airport
Airlines serving
Bangkok Airways
Popular airline
Bangkok Airways
Distance
290 mi
Average flight time
1 hour 8 mins

Frequently asked questions

How much is a Bangkok Airways flight from Suvarnabhumi Intl. Airport (BKK) to Ko Samui Airport (USM)?
You'll discover affordable return Bangkok Airways flights from $295 from BKK to USM by filtering your results from "Price (lowest to highest)" on Expedia. Or look for options from $146 for a one-way trip.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from BKK to USM with Bangkok Airways?
Browse for round-trip or one-way flights to Koh Samui in October or September. You could find lower fares with Bangkok Airways during these off-season months.
What is the cheapest time to book flights from Suvarnabhumi Intl. Airport (BKK) to Ko Samui Airport (USM) with Bangkok Airways?
Begin your search one to three months ahead of your travel date to find cheaper fares on Bangkok Airways flights from Suvarnabhumi Intl. Airport (BKK) to Ko Samui Airport (USM). You can save 25% by booking your domestic flight 34 to 86 days in advance compared to last-minute reservations made 6 to 12 days out. You could also cut costs by buying your fare on a Sunday, as it's 6% cheaper on average than a Monday, the most expensive day to book.* Get your timing right, and you can enjoy significant savings on domestic flights.*Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does Bangkok Airways fly nonstop from Suvarnabhumi Intl. Airport (BKK) to Ko Samui Airport (USM)?
Depart on one of Bangkok Airways's 176 weekly direct flights from Suvarnabhumi Intl. Airport (BKK) to Ko Samui Airport (USM). To see your options, enter your origin, destination and dates and hit search. Then use the "Nonstop" and "Airline" filters.
How long does it take to fly from BKK to USM with Bangkok Airways?
On average, it takes 1h 15m to travel nonstop from Suvarnabhumi Intl. Airport (BKK) to Ko Samui Airport (USM) with Bangkok Airways.
Which day of the week has the most Bangkok Airways flights from Suvarnabhumi Intl. Airport (BKK) to Ko Samui Airport (USM)?
If flexibility is what you're after, Monday offers the most choice for Bangkok Airways flights from Suvarnabhumi Intl. Airport (BKK) to Ko Samui Airport (USM). You can select from 26 different departures.
What is the earliest Bangkok Airways flight from BKK to USM?
Jetting off from BKK at 5:50AM UTC+7, the first Bangkok Airways flight to USM arrives at 7:25AM UTC+7. Traveling early means you'll be less likely to experience delays.* After something later? The last Bangkok Airways flight from BKK to USM departs at 7:45PM UTC+7 and touches down at 8:55PM UTC+7.*Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does Bangkok Airways fly into in Koh Samui?
Ko Samui Airport (USM) is the primary Koh Samui gateway for Bangkok Airways flights from Suvarnabhumi Intl. Airport (BKK).
What kind of luggage can I take on a Bangkok Airways flight from Suvarnabhumi Intl. Airport (BKK) to Ko Samui Airport (USM)?
A standard economy ticket with Bangkok Airways from BKK to USM includes 1 cabin bag and a small personal article. Your hand luggage allowance is 1 cabin bag up to 11 lb with dimensions no larger than 22 inches x 14 inches x 9 inches. Weight and size limits can vary according to your cabin class and fare type. To avoid extra fees at the airport, check your Bangkok Airways booking or visit the airline's website before you start packing.
Why fly with Bangkok Airways from BKK to USM?
Bangkok Airways makes traveling from BKK to USM more comfortable with a 4-star airline rating and top-tier customer service. You could even start collecting points with Flyer Bonus. Make sure you sign up to our free One Key™ rewards program to earn OneKeyCash™*, which can be redeemed on future trips.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
What type of plane does Bangkok Airways fly from Suvarnabhumi Intl. Airport (BKK) to Ko Samui Airport (USM)?
For the Suvarnabhumi Intl. Airport (BKK) to Ko Samui Airport (USM) route, Bangkok Airways typically flies Airbus A319 and ATR 42/72 planes. Keep in mind that last-minute changes can occur for operational reasons, so your flight may be on a different aircraft.
Can I change or cancel my Bangkok Airways flight from Suvarnabhumi Intl. Airport (BKK) to Ko Samui Airport (USM)?
You can usually cancel or modify your flight, although additional charges may apply if you booked more than 24 hours ago. Prefer to keep your options open? Apply the "No cancel fee" or "Changes included" filter to find flights that won't charge extra if you need to adjust your plans. To modify your itinerary, visit "Trips," select your flight and click on "Manage Booking" for further information.
*Available to One Key members.