Cheap flights from Phuket to Koh Samui from $81 HKT → USM

Found recently, and the cheapest we hold

What have prices looked like?

Over 49 days, 24 Sept to 11 Nov, the cheapest return we saw each day was $74 to $163.

Those were the prices on those days, not today's.

Could nearby dates be cheaper?

We hold no other 13-night return fares leaving within 3 days of 19 Nov to compare.

Every date we hold

422 fares on 114 departure dates

Which month looks cheapest?

November 2026 is the cheapest month — from $101.

Found recently, and the cheapest we hold

What have prices looked like?

Over 49 days, 24 Sept to 11 Nov, the cheapest one-way we saw each day was $33 to $82.

Those were the prices on those days, not today's.

Could nearby dates be cheaper?

Yes. Among one-way fares leaving within 3 days of 15 Jun 2027, 12 Jun 2027 costs $65: $16 less than the cheapest found recently.

Bangkok Airways · Phuket International Airport (HKT) → Koh Samui Airport (USM) · nonstop · found 5 days ago

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Every date we hold

100 fares on 16 departure dates

Which month looks cheapest?

November 2026 is the cheapest month — from $41.

Return

Fares 14 to 29 days before departure were typically 16% lower than 0 to 6 days before departure.

From the cheapest return each day between 24 Sept and 11 Nov (49 days), grouped by how many days ahead the flight left; one adult in economy.

Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.

Prices reflect recent searches — current fares may differ.

One-way

The cheapest fares were 0 to 6 days before departure.

From the cheapest one-way each day between 24 Sept and 11 Nov (49 days), grouped by how many days ahead the flight left; one adult in economy.

Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.

Prices reflect recent searches — current fares may differ.

How much is a return flight from Phuket to Koh Samui?

The cheapest return found recently is $151 with Bangkok Airways, 19 Nov to 2 Dec, found 2 days ago. The cheapest return we hold, of any age, is $101 with Bangkok Airways, 13 Nov to 15 Nov, found 4 days ago. The cheapest return fare on each of 114 departure dates is usually $217 to $295.

How much is a one-way flight from Phuket to Koh Samui?

The cheapest one-way found recently is $81 with Bangkok Airways, 15 Jun 2027, found 2 days ago. The cheapest one-way we hold, of any age, is $41 with Bangkok Airways, 14 Nov, found 5 days ago. The cheapest one-way fare on each of 16 departure dates is usually $65 to $104.

What is the cheapest month to fly from Phuket to Koh Samui?

November 2026 is the cheapest month for a return, from $101, 13 Nov to 15 Nov, found 4 days ago. It is the cheapest month for a one-way too, from $41, 14 Nov, found 5 days ago.

Every date in November 2026

How far ahead should I book a flight from Phuket to Koh Samui?

In 49 days of prices between 24 Sept and 11 Nov, return fares 14 to 29 days before departure were typically 16% lower than 0 to 6 days before departure. One-way fares were cheapest 0 to 6 days before departure.

Is there a direct flight from Phuket to Koh Samui?

Yes, the cheapest nonstop return found recently is $151 with Bangkok Airways, 19 Nov to 2 Dec, found 2 days ago. The cheapest nonstop one-way found recently is $81 with Bangkok Airways, 15 Jun 2027, found 2 days ago.

How long is the flight from Phuket to Koh Samui?

The cheapest nonstop one-way found recently, with Bangkok Airways on 15 Jun 2027, takes 55 min from Phuket International Airport (HKT) to Koh Samui Airport (USM).

Which airlines have the cheapest flights from Phuket to Koh Samui?

Between 13 Nov and 29 Aug 2027, Bangkok Airways has the cheapest return on 109 of the 114 departure dates we hold, Thai Vietjet Air on 4 and Thai AirAsia on 1. Between 13 Nov and 25 Oct 2027, Bangkok Airways has the cheapest one-way on 13 of the 16 departure dates we hold, and Thai Vietjet Air on 3.