$143 Cheap Flights from Samui Intl. Airport (USM) to Bangkok (BKK)

View $143 flight on Sun, May 11, 2025Opens in a new window

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Find available prices by choosing your travel dates.

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

Prices were available within the past 7 days and start at $143 for one-way flights and $283 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Bangkok Airways
Wed, Jun 4 - Thu, Jun 12
USM
Koh Samui
DMK
Bangkok
$283 Roundtrip, found 2 hours ago
$283
Roundtrip
found 2 hours ago
Select Bangkok Airways flight, departing Wed, Jun 4 from Koh Samui to Bangkok, returning Thu, Jun 12, priced at $283 found 2 hours ago
Bangkok Airways
Thu, Sep 11 - Fri, Sep 19
USM
Koh Samui
BKK
Bangkok
$283 Roundtrip, found 4 hours ago
$283
Roundtrip
found 4 hours ago
Select Bangkok Airways flight, departing Thu, Sep 11 from Koh Samui to Bangkok, returning Fri, Sep 19, priced at $283 found 4 hours ago
Bangkok Airways
Wed, May 21 - Sun, May 25
USM
Koh Samui
BKK
Bangkok
$284 Roundtrip, found 1 day ago
$284
Roundtrip
found 1 day ago
Select Bangkok Airways flight, departing Wed, May 21 from Koh Samui to Bangkok, returning Sun, May 25, priced at $284 found 1 day ago
Bangkok Airways
Sat, May 24 - Fri, May 30
USM
Koh Samui
BKK
Bangkok
$293 Roundtrip, found 4 days ago
$293
Roundtrip
found 4 days ago
Select Bangkok Airways flight, departing Sat, May 24 from Koh Samui to Bangkok, returning Fri, May 30, priced at $293 found 4 days ago
Bangkok Airways
Thu, May 22 - Sun, May 25
USM
Koh Samui
BKK
Bangkok
$293 Roundtrip, found 5 hours ago
$293
Roundtrip
found 5 hours ago
Select Bangkok Airways flight, departing Thu, May 22 from Koh Samui to Bangkok, returning Sun, May 25, priced at $293 found 5 hours ago
Bangkok Airways
Wed, May 21 - Sun, May 25
USM
Koh Samui
BKK
Bangkok
$295 Roundtrip, found 1 day ago
$295
Roundtrip
found 1 day ago
Select Bangkok Airways flight, departing Wed, May 21 from Koh Samui to Bangkok, returning Sun, May 25, priced at $295 found 1 day ago
Bangkok Airways
Wed, May 28 - Sun, Jun 1
USM
Koh Samui
DMK
Bangkok
$300 Roundtrip, found 2 days ago
$300
Roundtrip
found 2 days ago
Select Bangkok Airways flight, departing Wed, May 28 from Koh Samui to Bangkok, returning Sun, Jun 1, priced at $300 found 2 days ago
Bangkok Airways
Wed, Jun 4 - Thu, Jun 12
USM
Koh Samui
BKK
Bangkok
$301 Roundtrip, found 2 hours ago
$301
Roundtrip
found 2 hours ago
Select Bangkok Airways flight, departing Wed, Jun 4 from Koh Samui to Bangkok, returning Thu, Jun 12, priced at $301 found 2 hours ago
Bangkok Airways
Fri, Jun 6 - Thu, Jun 12
USM
Koh Samui
DMK
Bangkok
$303 Roundtrip, found 2 days ago
$303
Roundtrip
found 2 days ago
Select Bangkok Airways flight, departing Fri, Jun 6 from Koh Samui to Bangkok, returning Thu, Jun 12, priced at $303 found 2 days ago
Bangkok Airways
Thu, May 22 - Sun, May 25
USM
Koh Samui
BKK
Bangkok
$304 Roundtrip, found 5 hours ago
$304
Roundtrip
found 5 hours ago
Select Bangkok Airways flight, departing Thu, May 22 from Koh Samui to Bangkok, returning Sun, May 25, priced at $304 found 5 hours ago
Flights from Samui Intl. Airport (USM) to Bangkok (DMK)
Origin airport
Samui Intl. Airport
Destination airport
Don Mueang Intl.
Airlines serving
Bangkok Airways
Roundtrip price
$283
Distance
304 mi

Samui Intl. Airport to Bangkok Flights

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

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 Samui Intl. Airport to Bangkok are during the month of June. You can find some of the cheapest flights from Samui Intl. Airport to Bangkok with Expedia's search tool and vast selection of airlines.

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

Sunday is one of the best days to book for cheap flights from Samui Intl. Airport to Bangkok: 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 Samui Intl. Airport to Bangkok

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 Samui Intl. Airport to Bangkok in 2025. You can also book with separate airlines for your outbound and return journeys, from $143 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 Samui Intl. Airport to Bangkok 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 Samui Intl. Airport to Bangkok 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 Ko Samui Airport (USM) to Suvarnabhumi Intl. Airport (BKK) cost?
Book cheap return tickets starting from $283 from Ko Samui Airport (USM) to Suvarnabhumi Intl. Airport (BKK). This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Bangkok Airways flight leaving USM on May 21 2025 and touching down at BKK. The price was last updated on April 24 2025 and has not changed since.
What is the cheapest month to fly from USM to BKK?
The cheapest flights from USM to BKK are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Ko Samui Airport (USM) to Suvarnabhumi Intl. Airport (BKK)?
Take a nonstop flight with Bangkok Airways and go straight from Ko Samui Airport (USM) to Suvarnabhumi Intl. Airport (BKK).
What is the cheapest airline that flies from USM to BKK?
Fly from USM to BKK with Bangkok Airways. This carrier currently has the lowest one-way fare for this route, starting at $144. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from USM on July 9 2025. Prices were last updated on April 24 2025 and have not changed since.
How many flights per day from Ko Samui Airport (USM) to Suvarnabhumi Intl. Airport (BKK)?
When departing from Ko Samui Airport (USM), you’ll have your pick from an average of 26 daily nonstop flights to Suvarnabhumi Intl. Airport (BKK).
What are the most popular departure times for flights from Ko Samui Airport (USM) to Suvarnabhumi Intl. Airport (BKK)?
More travelers fly between USM and BKK at 9 PM than at any other point in the day. Looking to skip the crowds? 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 USM to BKK?
Jet off on a Tuesday if you’re looking for the biggest selection of flights from Ko Samui Airport (USM) to Suvarnabhumi Intl. Airport (BKK).
What is the earliest flight from Ko Samui Airport (USM) to Suvarnabhumi Intl. Airport (BKK)?
The earliest flight out of Ko Samui Airport (USM) is at around 7:00AM UTC+7. Board this plane and you’ll reach Suvarnabhumi Intl. Airport (BKK) at approximately 8:15AM UTC+7. The entire trip takes 1h 15m.
How long does it take to fly from Ko Samui Airport (USM) to Suvarnabhumi Intl. Airport (BKK)?
It takes about 1 hour and 20 minutes to cover the 290 mi from USM to BKK.
What airline has the least delays from USM to BKK?
Thai Airways International has the best performance for on-time direct flights from Ko Samui Airport (USM) to Suvarnabhumi Intl. Airport (BKK), with an on-time rating of 84%. Use the Expedia App to check your journey status before you jet off and get notified of any changes.
What is the best time to fly from Ko Samui Airport (USM) to Suvarnabhumi Intl. Airport (BKK)?
To avoid possible delays on the Ko Samui Airport (USM) to Suvarnabhumi Intl. Airport (BKK) route, aim to fly before 3 PM. Later flights are 22% more likely to be canceled.**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 Bangkok from Ko Samui Airport (USM)?
Catch a direct flight from Ko Samui Airport (USM) to Bangkok and land at Suvarnabhumi Intl. Airport (BKK). Another convenient point of entry into this city is Don Mueang Intl. Airport (DMK).
Is it cheaper to buy a plane ticket from Ko Samui Airport (USM) to Suvarnabhumi Intl. Airport (BKK) last-minute?
Last-minute bookings from USM to BKK are generally more expensive. To lock in the best rates, start looking for flights as early as possible. That being said, if you’re flexible with your travel dates, you may land a cheap fare just before your departure.
Is it cheaper to book an USM to BKK flight and hotel package?
Compared with arranging hotels and flights separately, booking an USM to BKK flight and hotel package with Expedia could lead to significant savings. Better still, managing everything in one place will take the hassle out of travel planning. Just pick your flights and select from our wide range of hotels, then personalize your trip with extras like tours, car rentals and activities.
Can I cancel or change the date of my flight from Ko Samui Airport (USM) to Suvarnabhumi Intl. Airport (BKK)?
If you reserved your USM to BKK flight in the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the type of ticket you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for more details.

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*Available to One Key members.