$145 Cheap Flights from Bangkok (BKK) to Samui Intl. Airport (USM)

View $145 flight on Mon, Dec 29, 2025Opens in a new window

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

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

Prices were available within the past 7 days and start at $145 for one-way flights and $291 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Bangkok Airways
Sat, Jun 6 - Sun, Jun 14
BKK
Bangkok
USM
Koh Samui
$291 Roundtrip, found 3 days ago
$291
Roundtrip
found 3 days ago
Select Bangkok Airways flight, departing Sat, Jun 6 from Bangkok to Koh Samui, returning Sun, Jun 14, priced at $291 found 3 days ago
Bangkok Airways
Thu, Nov 13 - Sun, Nov 23
BKK
Bangkok
USM
Koh Samui
$296 Roundtrip, just found
$296
Roundtrip
just found
Select Bangkok Airways flight, departing Thu, Nov 13 from Bangkok to Koh Samui, returning Sun, Nov 23, priced at $296 just found
Bangkok Airways
Mon, Mar 2 - Wed, Mar 4
BKK
Bangkok
USM
Koh Samui
$297 Roundtrip, found 12 hours ago
$297
Roundtrip
found 12 hours ago
Select Bangkok Airways flight, departing Mon, Mar 2 from Bangkok to Koh Samui, returning Wed, Mar 4, priced at $297 found 12 hours ago
Bangkok Airways
Thu, Dec 18 - Fri, Dec 19
BKK
Bangkok
USM
Koh Samui
$302 Roundtrip, found 3 days ago
$302
Roundtrip
found 3 days ago
Select Bangkok Airways flight, departing Thu, Dec 18 from Bangkok to Koh Samui, returning Fri, Dec 19, priced at $302 found 3 days ago
Bangkok Airways
Thu, Dec 11 - Tue, Dec 16
BKK
Bangkok
USM
Koh Samui
$304 Roundtrip, found 2 days ago
$304
Roundtrip
found 2 days ago
Select Bangkok Airways flight, departing Thu, Dec 11 from Bangkok to Koh Samui, returning Tue, Dec 16, priced at $304 found 2 days ago
Bangkok Airways
Thu, Nov 13 - Sun, Nov 23
BKK
Bangkok
USM
Koh Samui
$307 Roundtrip, just found
$307
Roundtrip
just found
Select Bangkok Airways flight, departing Thu, Nov 13 from Bangkok to Koh Samui, returning Sun, Nov 23, priced at $307 just found
Bangkok Airways
Mon, Mar 16 - Mon, Mar 23
BKK
Bangkok
USM
Koh Samui
$308 Roundtrip, found 12 hours ago
$308
Roundtrip
found 12 hours ago
Select Bangkok Airways flight, departing Mon, Mar 16 from Bangkok to Koh Samui, returning Mon, Mar 23, priced at $308 found 12 hours ago
Bangkok Airways
Thu, Dec 18 - Fri, Dec 19
BKK
Bangkok
USM
Koh Samui
$310 Roundtrip, found 3 days ago
$310
Roundtrip
found 3 days ago
Select Bangkok Airways flight, departing Thu, Dec 18 from Bangkok to Koh Samui, returning Fri, Dec 19, priced at $310 found 3 days ago
Bangkok Airways
Tue, Jan 20 - Mon, Jan 26
BKK
Bangkok
USM
Koh Samui
$314 Roundtrip, found 1 day ago
$314
Roundtrip
found 1 day ago
Select Bangkok Airways flight, departing Tue, Jan 20 from Bangkok to Koh Samui, returning Mon, Jan 26, priced at $314 found 1 day ago
Bangkok Airways
Fri, Sep 26 - Wed, Oct 8
BKK
Bangkok
USM
Koh Samui
$316 Roundtrip, found 3 days ago
$316
Roundtrip
found 3 days ago
Select Bangkok Airways flight, departing Fri, Sep 26 from Bangkok to Koh Samui, returning Wed, Oct 8, priced at $316 found 3 days ago

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 $291
USM
Samui Intl. Airport
CheapestClosest
Average driving time to city center31 min
Flights from $291
Flights from Bangkok (BKK) to Samui Intl. Airport (USM)
Origin airport
Suvarnabhumi Intl.
Destination airport
Samui Intl. Airport
Airlines serving
Bangkok Airways
Roundtrip price
$290
Distance
290 mi
Average flight time
1 hour 5 mins

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 June. 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 $145 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.

 

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 $145 or cheap return flight from $291 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 June, 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.

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*Available to One Key members.