฿4,058 Find Cheap Flights from Ko Samui to Bangkok – Compare and Save

Among airlines operating Ko Samui to Bangkok flights:

• Bangkok Airways: offers free seat selection
• Thai Airways: offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

Only Bangkok Airways operates flights between Ko Samui and Bangkok.

Flights from Ko Samui to Bangkok usually depart from Ko Samui (USM) and may arrive at several airports in Bangkok area, including Bangkok Suvarnabhumi (BKK) and Bangkok Don Mueang Intl (DMK).

Here are some options for this route, based on selected ticket types and cabin classes:

• Bangkok Airways: a cabin bag and a checked bag in Economy class
• Thai Airways: a cabin bag and a checked bag in Economy class
• Vietnam Airlines: a cabin bag and a checked bag in Economy class

Bag allowance can vary by ticket type, cabin class, route, and airline, so travellers should check the fare details before booking.

Two cabin classes are available on flights from Ko Samui to Bangkok:

• Economy class
• Business Class

There is no standard. Checked bag policies vary by airline on this route. Most carriers charge ฿528–฿2,309 for the first checked bag in Economy. Premium fares and elite status bookings typically include a free checked bag.

Yes. Being flexible with your travel dates can save you up to 22% on the Ko Samui to Bangkok route. Tuesday is the cheapest departure day at ฿8,182 return on average, while Wednesday is the most expensive at ฿10,426, a difference of ฿2,244. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Ko Samui to Bangkok route, 15% of flights were delayed in the past 3 months, with delays averaging 1 hour 40 minutes.

Morning is the busiest departure period on Ko Samui to Bangkok flights, with 34% leaving in that window. Evening departures account for 33%, Afternoon flights for 29%, and Night flights for 4%.

Some of the most popular sights in Bangkok are Victory Monument, Thammasat University, and Centralworld. These are among the most viewed places in Bangkok on KAYAK.

These are the earliest and latest flight times available from Ko Samui to Bangkok:

• Earliest: departs at 06:00 and lands at 07:21
• Latest: departs at 21:30 and lands at 22:51.

The flight takes about 1h 21m.

Last-minute fares on this route (booked within 2 weeks of departure) run 15% above the route average of ฿8,670. Book 26 weeks before departure for the lowest fares.

A direct flight from Ko Samui to Bangkok takes 1h 21m, covering 757 km.

No. A passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

Yes. Based on fares seen in the past 5 days, return flight prices on this route showed a wide range, from about ฿4,586 to ฿27,827. That means the highest observed fare was about 6x higher than the lowest one.

One-way fares from Ko Samui to Bangkok are currently lower than usual. Average one-way flight prices are about ฿4,124, which is 28% below the typical average for this route.

Bangkok Airways is the only airline operating Ko Samui to Bangkok flights. 85% of its flights are on time.

Morning flights have the fewest delays on this route. Delays tend to pile up throughout the day as one late flight pushes the next, so earlier departures are usually more reliable.

Since Bangkok is served by multiple airports, car rental options and rates can vary depending on which one you fly into.
Near Bangkok Suvarnabhumi Airport (BKK) – daily rates from around ฿443:

• Drive Car Rental
• Alamo
• Sixt
• Yesaway
• Hertz

Near Bangkok Don Mueang Intl Airport (DMK) – daily rates from around ฿224:

• Drive Car Rental
• Alamo
• THAIRENTACAR
• Enterprise Rent-A-Car
• Chic Car Rent

Return flights from Ko Samui to Bangkok range from ฿6,634 to ฿10,635, with an average of ฿8,670 over the past 12 months. Anything below ฿6,634 counts as a good deal.