Cheap Flights from Koh Samui to Bangkok

Cheapest flights from Koh Samui to Bangkok

Flaut.Travel was designed and developed by a team dedicated to making the process of searching, comparing and booking airline tickets as easy and convenient as possible. Our service helps travelers to find and buy the cheapest flights from Koh Samui to Bangkok. We have connected more than 40 airlines and airline ticketing agencies to help you find the most suitable and affordable flight option.

Cheapest one way flight

$83

Bangkok Airways

Direct flight

1h 30m

09/17/2026

The cheapest one-way flight from Koh Samui to Bangkok departs on 09/17/2026, is operated by Bangkok Airways and costs $83

Cheapest round trip flight

$162

Bangkok Airways

Direct flight

2h 25m

11/27/2026

The cheapest roundtrip flight from Koh Samui to Bangkok departs on 11/27/2026, is operated by Bangkok Airways and costs $162

The fastest flight

1h 15m

Fastest flight from Koh Samui to Bangkok takes 1h 15m

Direct flights

Several times a week

There are direct flights on this route 5 days a week: Su, Tu, We, Th, and Sa

Earliest flight

6:00 AM

Latest flight

9:25 PM

Average flight duration

1h 17m

Direct flights count

88

Distance

469km

Timezone difference

0h

The distance between Koh Samui and Bangkok is 469km (291 miles). The average flight duration is 1h 17m. There are 88 direct flights from Koh Samui to Bangkok. Koh Samui and Bangkok are in the same time zone. Flights from Koh Samui begin at 6:00 AM. The latest flight from Koh Samui departs at 9:25 PM

Remember that on average the ideal time to book flights is 2 months before departure!

Airfare from Koh Samui to Bangkok by month

The minimum one-way ticket price from Koh Samui to Bangkok is $83 (November 2026), while the maximum is $142 (July 2026). On average, a ticket costs $91–$95.

November 2026

Lowest price

on average:

$83

July 2026

Highest price

on average:

$142

Avg Price

Price dynamics

The price trend from Koh Samui to Bangkok resembles a smile: costs drop, bottom out, then recover. Knowing this, you can pick dates with the best prices.

Cheaper and more expensive periods

Prices fall from July 2026 to November 2026 (41%), then rise from February 2027 to May 2027 (+14%). The best period is October 2026–November 2026 ($87), the most expensive is July 2026–August 2026 ($117).

Best time to buy

The best time to buy is October 2026–November 2026, when prices are at their lowest. This can save you up to 26% compared to the expensive months (July 2026–August 2026).

Price predictability

Monthly price variation is 16.9%. On this route, your departure date noticeably affects the cost, and choosing wisely can lead to real savings.

Airlines operating on route

The route Koh Samui — Bangkok is served by a single airline — Bangkok Airways. This means that when planning your trip, you won’t need to spend time choosing between dozens of carriers: all flights are operated by one provider, which simplifies the booking process. Despite the limited choice, passengers can still plan ahead, select optimal departure dates, and buy tickets at the lowest price — from $83. Using our service, you can quickly compare available Bangkok Airways flights and book a seat in advance at a favorable rate.

Bangkok Airways

starting at $83

Non-stop flights from Koh Samui to Bangkok

A non-stop flight is the most convenient and comfortable way to fly from Koh Samui to Bangkok, despite the fact that sometimes flights with transfers can cost significantly less.

Koh Samui — Bangkok

USM — BKK

09/17/2026

Departure

Direct flight

PG450

starting at $83

Koh Samui — Bangkok

USM — BKK

12/08/2026

Departure

Direct flight

PG0102

starting at $84

Koh Samui — Bangkok

USM — BKK

11/12/2026

Departure

Direct flight

PG452

starting at $84

Koh Samui — Bangkok

USM — BKK

11/05/2026

Departure

Direct flight

PG454

starting at $85

Koh Samui — Bangkok

USM — BKK

12/20/2026

Departure

Direct flight

PG102

starting at $85

Koh Samui — Bangkok

USM — BKK

11/14/2026

Departure

Direct flight

PG454

starting at $86

Koh Samui — Bangkok

USM — BKK

10/28/2026

Departure

Direct flight

PG102

starting at $88

Koh Samui — Bangkok

USM — BKK

01/26/2027

Departure

Direct flight

PG102

starting at $88

Koh Samui — Bangkok

USM — BKK

01/21/2027

Departure

Direct flight

PG102

starting at $88

Koh Samui — Bangkok

USM — BKK

10/08/2026

Departure

Direct flight

PG102

starting at $88

Schedule of direct flights from Koh Samui to Bangkok

The only airline operating direct flights from Koh Samui to Bangkok is Bangkok Airways. Flights operate every day.

Bangkok Airways

Every day

starting at $144

Koh Samui airports overview

Koh Samui Airport

•

USM

Serving Koh Samui island in the Gulf of Thailand, it offers domestic and regional connections for resort travelers, with frequent charters and short-runway operations suited to turboprops and short-haul jets.

•

Bangkok airports overview

Suvarnabhumi Airport

•

BKK

30km

Don Mueang International Airport

•

DMK

26km

•

Frequently asked questions (FAQ)

Answers to questions about the route that travelers are most interested in.

What is the cheapest price for flights from Koh Samui to Bangkok?

The cheapest flight ticket from Koh Samui to Bangkok according to data for the last 48 hours costs $83

When is the best time to buy air tickets on the route Koh Samui — Bangkok?

Often the best time to buy tickets from Koh Samui to Bangkok is 2 months before departure.

When is the cheapest time of year to fly from Koh Samui to Bangkok?

Based on statistics over the past years, the lowest prices for flights from Koh Samui to Bangkok can be found flying in these months: November, January, February.

How long does it take to fly from Koh Samui to Bangkok?

The fastest flights from Koh Samui to Bangkok start from 1 hour 15 minutes in the air.

Which airline can fly direct from Koh Samui to Bangkok?

The following airlines operate direct flights on the route Koh Samui — Bangkok: Bangkok Airways

Special offers and sales on air tickets from Koh Samui to Bangkok

We keep tight track on airlines' pre-holidays sales and other special offers occurences all the time to let you save maximum amount of funds while traveling to your family or just going out on vacation.

Koh Samui — Bangkok

October 13

Bangkok Airways

$90

Alternative routes

Alor Setar ➜ Bangkok•Bangkok ➜ Bangkok•Hat Yai ➜ Bangkok•Ipoh ➜ Bangkok•Kota Bharu ➜ Bangkok•Myeik ➜ Bangkok•Nakhon Si Thammarat ➜ Bangkok•Surat Thani ➜ Bangkok•Rach Gia ➜ Bangkok•Koh Samui ➜ Chiang Mai•Koh Samui ➜ Khon Kaen•Koh Samui ➜ Myeik•Koh Samui ➜ Nakhon Si Thammarat•Koh Samui ➜ Phnom Penh•Koh Samui ➜ Siem Reap•Koh Samui ➜ Surat Thani•Koh Samui ➜ Udon Thani•Koh Samui ➜ Vientiane•Koh Samui ➜ Savannakhet

•••••••••••••••••••

Cheapest one way flight

$83

Bangkok Airways

Direct flight

1h 30m

09/17/2026

The cheapest one-way flight from Koh Samui to Bangkok departs on 09/17/2026, is operated by Bangkok Airways and costs $83

Cheapest round trip flight

$162

Bangkok Airways

Direct flight

2h 25m

11/27/2026

The cheapest roundtrip flight from Koh Samui to Bangkok departs on 11/27/2026, is operated by Bangkok Airways and costs $162

The fastest flight