Cheap Flights from Phuket to Koh Samui

Cheapest flights from Phuket to Koh Samui

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 Phuket to Koh Samui. 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

$82

Bangkok Airways

Direct flight

0h 55m

09/22/2026

The cheapest one-way flight from Phuket to Koh Samui departs on 09/22/2026, is operated by Bangkok Airways and costs $82

Cheapest round trip flight

$155

Bangkok Airways

Direct flight

1h 55m

09/01/2026

The cheapest roundtrip flight from Phuket to Koh Samui departs on 09/01/2026, is operated by Bangkok Airways and costs $155

The fastest flight

0h 55m

Fastest flight from Phuket to Koh Samui takes 0h 55m

Direct flights

Several times a week

There are direct flights on this route 6 days a week: Mo, Tu, We, Th, Fr, and Sa

Earliest flight

7:30 AM

Latest flight

7:55 PM

Average flight duration

55m

Direct flights count

58

Distance

251km

Timezone difference

0h

The distance between Phuket and Koh Samui is 251km (156 miles). The average flight duration is 55m. There are 58 direct flights from Phuket to Koh Samui. Phuket and Koh Samui are in the same time zone. Flights from Phuket begin at 7:30 AM. The latest flight from Phuket departs at 7:55 PM

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

Airfare from Phuket to Koh Samui by month

The cost of a one-way flight from Phuket to Koh Samui ranges from $83 (September 2026) to $138 (December 2026). On average, the ticket price is about $108–$109.

September 2026

Lowest price

on average:

$83

December 2026

Highest price

on average:

$138

Avg Price

Price dynamics

On the Phuket — Koh Samui route, prices change frequently in both directions. Predicting the exact cost is tricky, but we can identify months when tickets tend to be cheaper.

Cheaper and more expensive periods

Despite the fluctuations, patterns exist: the cheapest period is September 2026–October 2026 — averaging $83. The most expensive is December 2026–January 2027 ($134). The difference reaches 38%.

Best time to buy

With this kind of price behavior, it's worth comparing prices across several months and booking when a good deal appears. A good benchmark is September 2026–October 2026, where you can save up to 38%.

Price predictability

Price spread on this route is 16.8%. Costs vary significantly, so your choice of month can noticeably affect your travel budget.

Airlines operating on route

Flights from Phuket to Koh Samui are operated by several airlines — Bangkok Airways and Thai Vietjet Air. This allows passengers to flexibly choose flights based on departure time, cost, and additional services. The minimum ticket price starts at $82, making this destination accessible to travelers with different budgets. We help compare all available options in real time, so you can book tickets at the best value for money. The service ensures transparent search and lets you book affordable flights in just a few clicks.

Bangkok Airways

starting at $82

Thai Vietjet Air

starting at $127

Non-stop flights from Phuket to Koh Samui

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

Phuket — Koh Samui

HKT — USM

09/22/2026

Departure

Direct flight

PG408

starting at $82

Phuket — Koh Samui

HKT — USM

09/05/2026

Departure

Direct flight

PG256

starting at $82

Phuket — Koh Samui

HKT — USM

09/09/2026

Departure

Direct flight

PG258

starting at $82

Phuket — Koh Samui

HKT — USM

09/11/2026

Departure

Direct flight

PG258

starting at $82

Phuket — Koh Samui

HKT — USM

09/14/2026

Departure

Direct flight

PG408

starting at $82

Phuket — Koh Samui

HKT — USM

09/15/2026

Departure

Direct flight

PG258

starting at $82

Phuket — Koh Samui

HKT — USM

09/01/2026

Departure

Direct flight

PG258

starting at $83

Phuket — Koh Samui

HKT — USM

10/05/2026

Departure

Direct flight

PG258

starting at $83

Phuket — Koh Samui

HKT — USM

09/10/2026

Departure

Direct flight

PG258

starting at $83

Phuket — Koh Samui

HKT — USM

06/08/2026

Departure

Direct flight

PG258

starting at $93

Schedule of direct flights from Phuket to Koh Samui

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

Bangkok Airways

Every day

starting at $99

Phuket airports overview

Phuket International Airport

•

HKT

•

Koh Samui airports overview

Koh Samui Airport

•

USM

•

Frequently asked questions (FAQ)

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

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

The cheapest flight ticket from Phuket to Koh Samui according to data for the last 48 hours costs $82

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

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

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

Based on statistics over the past years, the lowest prices for flights from Phuket to Koh Samui can be found flying in these months: September, October, June.

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

The fastest flights from Phuket to Koh Samui start from 55 minutes in the air.

Which airline can fly direct from Phuket to Koh Samui?

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

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

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.

Phuket — Koh Samui

June 4

Bangkok Airways

$102

Alternative routes

Alor Setar ➜ Koh Samui•Banda Aceh ➜ Koh Samui•Hat Yai ➜ Koh Samui•Ipoh ➜ Koh Samui•Kota Bharu ➜ Koh Samui•Medan ➜ Koh Samui•Myeik ➜ Koh Samui•Nakhon Si Thammarat ➜ Koh Samui•Kuala Terengganu ➜ Koh Samui•Surat Thani ➜ Koh Samui•Phuket ➜ Alor Setar•Phuket ➜ Bangkok•Phuket ➜ Hat Yai•Phuket ➜ Ipoh•Phuket ➜ Kota Bharu•Phuket ➜ Myeik•Phuket ➜ Nakhon Si Thammarat•Phuket ➜ Surat Thani•Phuket ➜ Rach Gia

•••••••••••••••••••

Cheapest one way flight

$82

Bangkok Airways

Direct flight

0h 55m

09/22/2026

The cheapest one-way flight from Phuket to Koh Samui departs on 09/22/2026, is operated by Bangkok Airways and costs $82

Cheapest round trip flight

$155

Bangkok Airways

Direct flight

1h 55m

09/01/2026

The cheapest roundtrip flight from Phuket to Koh Samui departs on 09/01/2026, is operated by Bangkok Airways and costs $155

The fastest flight