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FlightsFrom Bangkok

To Ko Samui

Cheap Flights from Bangkok to Ko Samui

Browse current best options from Bangkok. Become a member to unlock all deals and get alerts when new deals appear.

Deals from

Bangkok

RatePunk searches hundreds of travel sites at once for deals on flights to Ko Samui

Prices updated 24 days ago

486,190 searches this week

171 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated May 29, 2026.)

Today’s best flight deals from Bangkok to Ko Samui

Explore current cheapest deals departing from Bangkok to Ko Samui

September 24 - September 26

Cheapest

BKK - Ko Samui

$150

$159

Round trip

December 4 - December 9

Cheapest

BKK - Ko Samui

$201

$159

Round trip

December 12 - December 26

Cheapest

BKK - Ko Samui

$192

$159

Round trip

December 5 - December 10

Cheapest

BKK - Ko Samui

$202

$159

Round trip

December 20 - December 24

Cheapest
Best

BKK - Ko Samui

$207

$159

Round trip

September 8 - September 21

Earliest

BKK - Ko Samui

$134

$160

Round trip

September 18 - September 25

BKK - Ko Samui

$144

$160

Round trip

September 22 - September 24

BKK - Ko Samui

$150

$160

Round trip

September 18 - September 20

BKK - Ko Samui

$149

$160

Round trip

September 10 - September 15

BKK - Ko Samui

$152

$160

Round trip

Unlock all 500+ flight deals to Ko Samui and get alerts when great deals appear

Route Intelligence — 486,190 Searches this Week

Insights for flights from Bangkok to Ko Samui

For cheap flights from Bangkok to Ko Samui, January stands out as the most affordable month, with a median fare of just $108. Other cost-effective options include April, with a median fare of $127, and October, where the median fare is $165. These months offer the best opportunities for budget-conscious travelers.
Right now, fares for this route are above the typical level. Prices typically range from $136–$349, with a median of $268. New deals appear almost daily, indicating a dynamic market for this route. Currently, 0% of recent fares are classified as a good price, suggesting that current prices are higher than usual.
When considering the journey from Bangkok to Ko Samui, most itineraries are non-stop, with direct flights from Bangkok to Ko Samui making up 81.4% of recent fares. For the remaining itineraries that include connections, travelers typically encounter one stopover.
A typical journey from Bangkok to Ko Samui takes approximately 2h 20m, including any connections. This median duration provides a good estimate for the overall travel time you can expect on this route.
The distance between Bangkok and Ko Samui is 466 kilometers, classifying it as a short-haul route. This relatively short distance contributes to the prevalence of direct flights and shorter overall travel times.

How much is a round trip from Bangkok to Ko Samui

Regular price: $118 - $217

Prices for flights from Bangkok to Ko Samui are currently within the regular range.

The regular price range for flights from Bangkok to Ko Samui is between $118 and $217. The current lowest deal is $159 with Bangkok Airways for travel from Sep 24-Sep 26.

now $159

Low $118

High $217

The cheapest time to fly from Bangkok to Ko Samui

The cheapest month to fly from Bangkok to Koh Samui is January, with a median price of $108. The most expensive month is December, with a median price of $353. Prices are generally lower from January to November.

January

Cheapest

Flights from $108

December

Most Expensive

Flights from $353

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Direct flights from Bangkok to Ko Samui

Airline logo

Bangkok Airways

Last-minute flights going from Bangkok to Ko Samui

Thu, Sep 3

⌛ Last-Minute

BKK - Ko Samui

Bangkok Airways

Bangkok (BKK) - Ko Samui (USM)

Bangkok Airways

$149

$161

One-way

Fri, Sep 4

⌛ Last-Minute

BKK - Ko Samui

Bangkok Airways

Bangkok (BKK) - Ko Samui (USM)

Bangkok Airways

$144

$161

One-way

Sun, Sep 6

⌛ Last-Minute

BKK - Ko Samui

Bangkok Airways

Bangkok (BKK) - Ko Samui (USM)

Bangkok Airways

$134

$160

One-way

Mon, Sep 7

⌛ Last-Minute

BKK - Ko Samui

Bangkok Airways

Bangkok (BKK) - Ko Samui (USM)

Bangkok Airways

$152

$160

One-way

Tue, Sep 8

⌛ Last-Minute

BKK - Ko Samui

Bangkok Airways

Bangkok (BKK) - Ko Samui (USM)

Bangkok Airways

$134

$160

One-way

Wed, Sep 9

⌛ Last-Minute

BKK - Ko Samui

Bangkok Airways

Bangkok (BKK) - Ko Samui (USM)

Bangkok Airways

$146

$160

One-way

Biggest price drops on these dates for flights from Bangkok to Ko Samui

4 nights

Dec 20 - Dec 24

$207  →  $159

23%

2 nights

Dec 24 - Dec 26

$205  →  $160

22%

5 nights

Dec 5 - Dec 10

$202  →  $159

21%

5 nights

Dec 4 - Dec 9

$201  →  $159

21%

Popular Airports to fly from Bangkok to Ko Samui

Bangkok - Ko Samui route insights

💸 Price insights

Recent fares are above the typical level.

Recent fares from Bangkok to Ko Samui are above the typical level, with a median price of $268.

📅 Best time to fly

January is historically the cheapest month to fly.

Historically, January is the cheapest month to fly from Bangkok to Ko Samui, with a median price of $108.

⏱️ Flight duration

Direct flights take 2h 20m.

A direct flight from Bangkok to Ko Samui typically takes 2h 20m.

✈️ Airlines & availability

81.4% of deals are direct.

Historically, 81.4% of deals for this route are direct, with frequent daily deals available.

🏆 Airline highlight

Bangkok Airways offers direct flights.

Bangkok Airways is a key airline offering direct flights from Bangkok to Ko Samui.

🎯 Booking tip

Consider booking in January for the best prices.

For better prices, consider booking your flight in January, when the median price is $108.

Bangkok main airports to depart from

Suvarnabhumi (BKK)

Cheapest

Suvarnabhumi Airport (BKK) is a primary departure point for flights from Bangkok to Ko Samui.

📍 ~25 km from Bangkok city center (reachable by car or train).

💸 Flights from ~$159

Don Mueang International (DMK)

Don Mueang International Airport (DMK) is another option for flights from Bangkok to Ko Samui.

📍 ~20 km from Bangkok city center (reachable by car or bus).

💸 Flights from ~$160

Ko Samui main airports to arrive at

Samui (USM)

Cheapest

Samui Airport is ideal for direct access to Ko Samui and its surrounding islands.

📍 ~3 km from Ko Samui city center (reachable by car)

💸 Flights from ~$159

Airports nearby Ko Samui used as alternative

Surat Thani International (URT)

Surat Thani International is a useful alternative due to integrated ferry-to-airport shuttle services to Ko Samui.

📍 ~135 km from Ko Samui (reachable by ferry and bus, approx. 3-4 hours total)

💸 Flights from ~$37

Krabi (KBV)

Krabi offers more international connections and good availability of low-cost carriers for your trip.

📍 ~175 km from Ko Samui (reachable by ferry and land transfer)

💸 Flights from ~$39

Phuket International (HKT)

Phuket International provides the largest international flight network in Southern Thailand for alternative arrivals.

📍 ~250 km from Ko Samui (reachable by ferry and land transport, approx. 5-6 hours)

💸 Flights from ~$41

Nakhon Si Thammarat (NST)

Cheapest

Nakhon Si Thammarat is a viable mainland alternative for domestic Thai flights to the region.

📍 ~105 km from Ko Samui (reachable by ferry and land transfer)

💸 Flights from ~$34

Chumphon (CJM)

Chumphon is an alternative for travelers heading towards Northern/Central Thailand mainland destinations.

📍 ~100 km from Ko Samui (reachable by ferry and land transfer)

💸 Flights from ~$77

Business & First Class Flight Deals to Ko Samui

Discover luxury on the budget with premium cabin class on flights from Bangkok to Ko Samui.

Elite

Best Elite deals to Ko Samui

Exclusive daily First Class, Business Class, and Premium Economy flight deals, refreshed every 24 hours.

From BKK

Elite

Sep 11

Ko Samui, Thailand

74% AI deal score

$520

$389

Save $131

From BKK

Elite

Jul 12

Ko Samui, Thailand

48% AI deal score

$409

$386

Save $23

From BKK

Elite

Jul 07

Ko Samui, Thailand

47% AI deal score

$407

$386

Save $21

From BKK

Elite

Jul 09

Ko Samui, Thailand

47% AI deal score

$408

$386

Save $22

From BKK

Elite

Jun 26

Ko Samui, Thailand

46% AI deal score

$395

$381

Save $14

From BKK

Elite

Jul 10

Ko Samui, Thailand

46% AI deal score

$394

$386

Save $8

From BKK

Elite

Jul 09

Ko Samui, Thailand

45% AI deal score

$390

$386

Save $4

From BKK

Elite

Jul 04

Ko Samui, Thailand

44% AI deal score

$386

From BKK

Elite

Jul 07

Ko Samui, Thailand

44% AI deal score

$389

$386

Save $3

From BKK

Elite

Jul 04

Ko Samui, Thailand

44% AI deal score

$388

$386

Save $2

From BKK

Elite

Jul 12

Ko Samui, Thailand

44% AI deal score

$403

From BKK

Elite

Jul 26

Ko Samui, Thailand

44% AI deal score

$414

From BKK

Elite

Jun 26

Ko Samui, Thailand

43% AI deal score

$381

From BKK

Elite

Jun 26

Ko Samui, Thailand

43% AI deal score

$381

From BKK

Elite

Jun 30

Ko Samui, Thailand

43% AI deal score

$386

From BKK

Elite

Jun 26

Ko Samui, Thailand

43% AI deal score

$386

From BKK

Elite

Jun 30

Ko Samui, Thailand

43% AI deal score

$386

From BKK

Elite

Jun 26

Ko Samui, Thailand

43% AI deal score

$386

From BKK

Elite

Jun 26

Ko Samui, Thailand

43% AI deal score

$386

From BKK

Elite

Jun 26

Ko Samui, Thailand

43% AI deal score

$386

From BKK

Elite

Jul 12

Ko Samui, Thailand

43% AI deal score

$403

From BKK

Elite

Jul 15

Ko Samui, Thailand

43% AI deal score

$403

From BKK

Elite

Jul 19

Ko Samui, Thailand

43% AI deal score

$414

From BKK

Elite

Jul 24

Ko Samui, Thailand

43% AI deal score

$420

From BKK

Elite

Jul 22

Ko Samui, Thailand

43% AI deal score

$420

From BKK

Elite

Jul 17

Ko Samui, Thailand

43% AI deal score

$420

Frequently Asked Questions About Flights to Ko Samui

Historically, booking flights from Bangkok to Ko Samui 14-27 days in advance has yielded the lowest average prices. During this period, the average fare was around $198. Prices tend to be higher for bookings made closer to the travel date, with flights booked 0-6 days out averaging $268. Conversely, booking more than 60 days in advance also shows a higher average price of $237.

Based on historical data across the trailing quarter, a good price for a flight from Bangkok to Ko Samui is considered to be $136 or less. The median price for this route was $268. Fares typically range, with 75% of prices observed being $349 or less. Travelers aiming for a budget-friendly trip should target prices at or below the $136 threshold.

Historically, January has been the cheapest month to fly from Bangkok to Ko Samui, with a median price of $108. April also offers competitive fares, with a median price of $127. While October is listed among the cheapest months with a median of $165, it is also identified as the most expensive month in the trailing 270 days. The annual median price for this route is $268.

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