฿2,804 Find Cheap Flights from Bangkok to Ko Samui – Compare and Save

Among airlines operating Bangkok to Ko Samui 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 Bangkok and Ko Samui.

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

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
• โอมานแอร์: 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 Bangkok to Ko Samui:

• Economy class
• Business Class

On this route, direct flights are cheaper than stopover options on average. Direct fares average ฿8,342 return, compared with ฿9,701 via a stopover through Krabi (KBV).

There is no standard. Checked bag policies vary by airline on this route. Most carriers charge ฿521–฿3,299 for the first checked bag in Economy. Premium fares and elite status bookings typically include a free checked bag.

One-stop flights from Bangkok to Ko Samui most commonly connect through:

• Phuket City (HKT) – 52% of one-stop connections
• Singapore Changi (SIN) – 24% of one-stop connections
• Hong Kong Intl (HKG) – 16% of one-stop connections
• Krabi (KBV) – 8% of one-stop connections

Phuket City (HKT) handles the largest share of one-stop connections on this route.

Yes. Being flexible with your travel dates can save you up to 4% on the Bangkok to Ko Samui route. Tuesday is the cheapest departure day at ฿8,215 return on average, while Saturday is the most expensive at ฿8,545, a difference of ฿330. 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 Bangkok to Ko Samui route, 19% of flights were delayed in the past 3 months, with delays averaging 1 hour 37 minutes.

Morning is the busiest departure period on Bangkok to Ko Samui flights, with 46% leaving in that window. Afternoon departures account for 38%, Evening flights for 16%, and Night flights for 0%.

Some of the most popular sights in Ko Samui are Chaweng Beach, Lamai Beach, and Hin Ta and Hin Yai Rocks. These are among the most viewed places in Ko Samui on KAYAK.

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

• Earliest: departs at 06:00 and lands at 07:16
• Latest: departs at 20:05 and lands at 21:21.

The flight takes about 1h 16m.

Last-minute fares on this route (booked within 2 weeks of departure) run 24% above the route average of ฿8,355. Book 26 weeks before departure for the lowest fares.

A direct flight from Bangkok to Ko Samui takes 1h 16m, 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.

One-way fares from Bangkok to Ko Samui are currently lower than usual. Average one-way flight prices are about ฿2,884, which is 45% below the typical average for this route.

Bangkok Airways is the only airline operating Bangkok to Ko Samui flights. 81% of its flights are on time.

Night 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.

Flying via Phuket City (HKT) gives the shortest average 1-stop total travel time of 5h 03m, compared to 5h 49m via Krabi (KBV) and 8h 26m via Singapore Changi (SIN).

Ko Samui Airport (USM) hosts 5 major car hire companies, with daily rates starting from around ฿448 for economy cars. Top options include:
• Drive Car Rental
• Alamo
• Sixt
• Enterprise Rent-A-Car
• Hertz

Return flights from Bangkok to Ko Samui range from ฿6,182 to ฿10,403, with an average of ฿8,355 over the past 12 months. Anything below ฿6,182 counts as a good deal.