$141 Cheap Flights from Bangkok (BKK) to Samui Intl. Airport (USM)

View $141 flight on Wed, Jan 21, 2026Opens in a new window

Popular airlines from Suvarnabhumi Intl. Airport (BKK) to Samui Intl. Airport (USM)

Cheap Flights from Bangkok to Samui Intl. Airport (BKK-USM)

Prices were available within the past 7 days and start at $141 for one-way flights and $287 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Bangkok Airways
Tue, Dec 2 - Mon, Dec 22
BKK
Bangkok
USM
Koh Samui
$287 Roundtrip, found 4 hours ago
$287
Roundtrip
found 4 hours ago
Select Bangkok Airways flight, departing Tue, Dec 2 from Bangkok to Koh Samui, returning Mon, Dec 22, priced at $287 found 4 hours ago
Bangkok Airways
Sat, Nov 1 - Sat, Nov 8
BKK
Bangkok
USM
Koh Samui
$288 Roundtrip, found 5 days ago
$288
Roundtrip
found 5 days ago
Select Bangkok Airways flight, departing Sat, Nov 1 from Bangkok to Koh Samui, returning Sat, Nov 8, priced at $288 found 5 days ago
Bangkok Airways
Tue, Jan 13 - Tue, Jan 27
BKK
Bangkok
USM
Koh Samui
$289 Roundtrip, just found
$289
Roundtrip
just found
Select Bangkok Airways flight, departing Tue, Jan 13 from Bangkok to Koh Samui, returning Tue, Jan 27, priced at $289 just found
Bangkok Airways
Tue, Dec 2 - Mon, Dec 22
BKK
Bangkok
USM
Koh Samui
$298 Roundtrip, found 4 hours ago
$298
Roundtrip
found 4 hours ago
Select Bangkok Airways flight, departing Tue, Dec 2 from Bangkok to Koh Samui, returning Mon, Dec 22, priced at $298 found 4 hours ago
Bangkok Airways
Tue, Jan 13 - Tue, Jan 27
BKK
Bangkok
USM
Koh Samui
$299 Roundtrip, just found
$299
Roundtrip
just found
Select Bangkok Airways flight, departing Tue, Jan 13 from Bangkok to Koh Samui, returning Tue, Jan 27, priced at $299 just found
Bangkok Airways
Tue, Dec 2 - Mon, Dec 22
BKK
Bangkok
USM
Koh Samui
$305 Roundtrip, found 4 hours ago
$305
Roundtrip
found 4 hours ago
Select Bangkok Airways flight, departing Tue, Dec 2 from Bangkok to Koh Samui, returning Mon, Dec 22, priced at $305 found 4 hours ago
Bangkok Airways
Sun, Dec 14 - Thu, Dec 18
BKK
Bangkok
USM
Koh Samui
$306 Roundtrip, found 4 days ago
$306
Roundtrip
found 4 days ago
Select Bangkok Airways flight, departing Sun, Dec 14 from Bangkok to Koh Samui, returning Thu, Dec 18, priced at $306 found 4 days ago
Bangkok Airways
Tue, Jan 13 - Tue, Jan 27
BKK
Bangkok
USM
Koh Samui
$307 Roundtrip, just found
$307
Roundtrip
just found
Select Bangkok Airways flight, departing Tue, Jan 13 from Bangkok to Koh Samui, returning Tue, Jan 27, priced at $307 just found
Bangkok Airways
Thu, Nov 20 - Tue, Nov 25
BKK
Bangkok
USM
Koh Samui
$309 Roundtrip, found 4 days ago
$309
Roundtrip
found 4 days ago
Select Bangkok Airways flight, departing Thu, Nov 20 from Bangkok to Koh Samui, returning Tue, Nov 25, priced at $309 found 4 days ago
Bangkok Airways
Tue, Jan 13 - Tue, Jan 27
BKK
Bangkok
USM
Koh Samui
$310 Roundtrip, just found
$310
Roundtrip
just found
Select Bangkok Airways flight, departing Tue, Jan 13 from Bangkok to Koh Samui, returning Tue, Jan 27, priced at $310 just found

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

May is typically the cheapest month to fly

From $184 - $290 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 $289
USM
Samui Intl. Airport
CheapestClosest
Average driving time to city center31 min
Flights from $289

Frequently asked questions

How much does a flight from Suvarnabhumi Intl. Airport (BKK) to Ko Samui Airport (USM) cost?
Get a cheap one-way flight from $141 or cheap return flight from $287 from Suvarnabhumi Intl. Airport (BKK) to Ko Samui Airport (USM) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Suvarnabhumi Intl. Airport (BKK) to Ko Samui Airport (USM)?
The cheapest month to fly from BKK to USM is December, when there's less demand. Off-peak season is often when you'll find lower airfares between these airports.
Which airlines fly direct from Suvarnabhumi Intl. Airport (BKK) to Ko Samui Airport (USM)?
Take a nonstop flight with Bangkok Airways and travel straight from Suvarnabhumi Intl. Airport (BKK) to Ko Samui Airport (USM).
What is the cheapest airline that flies from Suvarnabhumi Intl. Airport (BKK) to Ko Samui Airport (USM)?
To find the cheapest airline flying from BKK to USM, use Expedia's filter tool. Tailor your search based on what matters most to you, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to list the most affordable options first.
How many flights per day from Suvarnabhumi Intl. Airport (BKK) to Ko Samui Airport (USM)?
With, on average, 25 direct flights that operate from Suvarnabhumi Intl. Airport (BKK) to Ko Samui Airport (USM) each day, you'll be off on your next adventure in no time.
What are the most popular departure times for flights from Suvarnabhumi Intl. Airport (BKK) to Ko Samui Airport (USM)?
More travelers fly between BKK and USM at 6 AM than at any other time. Rather go when it's quieter? Travel outside of rush hours and it's possible you'll save on your fare as well.
What day of the week has the most flights from BKK to USM?
Jet off on a Tuesday if you're after the biggest selection of flights from Suvarnabhumi Intl. Airport (BKK) to Ko Samui Airport (USM).
What is the earliest flight from Suvarnabhumi Intl. Airport (BKK) to Ko Samui Airport (USM)?
Suvarnabhumi Intl. Airport (BKK)'s first flight to Ko Samui Airport (USM) takes off at approximately 5:50AM UTC+7. With a total journey time of 1h 35m, you'll land at around 7:25AM UTC+7.
How long does it take to fly from Suvarnabhumi Intl. Airport (BKK) to Ko Samui Airport (USM)?
The average flight duration from BKK to USM is 1 hour and 15 minutes, covering a total distance of 290 mi.
What airline has the least delays from BKK to USM?
Oman Air has the strongest track record for on-time direct flights from Suvarnabhumi Intl. Airport (BKK) to Ko Samui Airport (USM), with an on-time rating of 100%. Use the Expedia App to check your flight schedule before you take off and get notified of any changes.
What is the best time to fly from Suvarnabhumi Intl. Airport (BKK) to Ko Samui Airport (USM)?
To touch down at Ko Samui Airport (USM) on time, choose a flight that leaves from Suvarnabhumi Intl. Airport (BKK) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Koh Samui from Suvarnabhumi Intl. Airport (BKK)?
If you're flying on a direct flight from Suvarnabhumi Intl. Airport (BKK) to Koh Samui, Ko Samui Airport (USM) is the only airport you can land at.
Is it cheaper to buy a plane ticket from Suvarnabhumi Intl. Airport (BKK) to Ko Samui Airport (USM) last-minute?
Booking your ticket from BKK to USM just before your getaway is generally more expensive. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a BKK to USM flight and hotel package?
Compared with arranging hotels and flights separately, booking a BKK to USM flight and hotel package with Expedia could result in significant savings. Better still, having it all in one place will take the hassle out of travel planning. Just pick your flights and select from our wide range of stays, then tailor your trip with other add-ons like tours, activities and car rentals.
Can I cancel or change the date of my flight from Suvarnabhumi Intl. Airport (BKK) to Ko Samui Airport (USM)?
If you reserved your BKK to USM flight in the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the fare type you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Suvarnabhumi Intl.
Destination airport
Samui Intl. Airport
Airlines serving
Bangkok Airways
Roundtrip price
$286
Distance
290 mi
Average flight time
1 hour 10 mins

Book with confidence

Bangkok to Samui Intl. Airport Flights

The cheapest times to fly from Bangkok to Samui Intl. Airport

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Bangkok to Samui Intl. Airport are during the month of December. You can find some of the cheapest flights from Bangkok to Samui Intl. Airport with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Bangkok to Samui Intl. Airport

Sunday is one of the best days to book for cheap flights from Bangkok to Samui Intl. Airport: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Bangkok to Samui Intl. Airport

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Bangkok to Samui Intl. Airport in 2025. You can also book with separate airlines for your outbound and return journeys, from $141 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Bangkok to Samui Intl. Airport flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Bangkok to Samui Intl. Airport airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Bangkok to Samui Intl. Airport Flights
*Available to One Key members.