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Kuala Lumpur to Koh Samui KUL, SZB → USM

Kuala Lumpur International Airport (KUL), Sultan Abdul Aziz Shah Airport (SZB) → Koh Samui Airport (USM)

The cheapest return found recently is $394 with Scoot, 9 Mar 2027 – 6 Apr 2027, found yesterday.

Return

The cheapest return fare on each of 9 departure dates is usually $369 to $445.

Cheapest return found recently

$394

9 Mar 2027 – 6 Apr 2027 · Scoot

Kuala Lumpur International Airport (KUL) → Koh Samui Airport (USM)

Leaves 11:15 a.m. · Return leaves 10:55 a.m. · 15 h of travel, both ways together

out 1 stop, back 1 stop

found yesterday

See prices for these datesCheck today's price

Cheapest nonstop return

None seen yet.

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Found recently, and the cheapest we hold

Cheapest found recently $394 9 Mar 2027 – 6 Apr 2027found yesterdaySee prices for these dates

Cheapest we hold, of any age $327 25 Nov – 1 Decfound 6 days agoSee prices for these dates

What have prices looked like?

Over 25 days, 24 Sept to 18 Oct, the cheapest return we saw each day was $294 to $339.

At $394, the cheapest return found recently is above that range.

25 days is a short history, so treat this range as an early guide.

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

Is this a good return price?

Compared with the cheapest return fare on each of 9 departure dates from 25 Nov to 19 Jun 2027, found by travelers' searches in the last 7 days (economy, the price the seller showed on Aviasales). The usual range is the middle half of those prices.

Could nearby dates be cheaper?

We hold no other 28-night return fares leaving within 3 days of 9 Mar 2027 to compare.

Every date we hold

21 fares on 9 departure dates

25 Nov – 1 Dec: $327, found 6 days ago12 Dec – 19 Dec: $557, found 4 days ago21 Dec – 13 Jan 2027: $397, found 4 days ago22 Dec – 13 Jan 2027: $405, found 4 days ago23 Dec – 13 Jan 2027: $412, found 4 days ago1 Feb 2027 – 5 Feb 2027: $677, found 2 days ago2 Feb 2027 – 4 Feb 2027: $445, found 2 days ago9 Mar 2027 – 6 Apr 2027: $369, found 4 days ago19 Jun 2027 – 27 Jun 2027: $361, found 6 days agoNovDecFebMarJun
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
25 Nov – 1 Dec$327AirAsiaKuala Lumpur International Airport (KUL) → Koh Samui Airport (USM)out 1 stop, back 1 stopfound 6 days agoSee prices for these dates
12 Dec – 19 Dec$557ScootSultan Abdul Aziz Shah Airport (SZB) → Koh Samui Airport (USM)out 1 stop, back 1 stopfound 4 days agoSee prices for these dates
21 Dec – 13 Jan 2027$397AirAsiaKuala Lumpur International Airport (KUL) → Koh Samui Airport (USM)out 1 stop, back 1 stopfound 4 days agoSee prices for these dates
22 Dec – 13 Jan 2027$405AirAsiaKuala Lumpur International Airport (KUL) → Koh Samui Airport (USM)out 1 stop, back 1 stopfound 4 days agoSee prices for these dates
23 Dec – 13 Jan 2027$412AirAsiaKuala Lumpur International Airport (KUL) → Koh Samui Airport (USM)out 1 stop, back 1 stopfound 4 days agoSee prices for these dates
1 Feb 2027 – 5 Feb 2027$677ScootSultan Abdul Aziz Shah Airport (SZB) → Koh Samui Airport (USM)out 1 stop, back 1 stopfound 2 days agoSee prices for these dates
2 Feb 2027 – 4 Feb 2027$445AirAsiaKuala Lumpur International Airport (KUL) → Koh Samui Airport (USM)out 1 stop, back 1 stopfound 2 days agoSee prices for these dates
9 Mar 2027 – 6 Apr 2027$369ScootKuala Lumpur International Airport (KUL) → Koh Samui Airport (USM)out 1 stop, back 1 stopfound 4 days agoSee prices for these dates
19 Jun 2027 – 27 Jun 2027$361AirAsiaKuala Lumpur International Airport (KUL) → Koh Samui Airport (USM)out 1 stop, back 1 stopfound 6 days agoSee prices for these dates

Which month looks cheapest?

November 2026 is the cheapest month — from $327.

November 2026From $327Cheapest seen1 departure date25 Nov – 1 Dec · found 6 days agoSee prices for these dates
December 2026From $3974 departure dates21 Dec – 13 Jan 2027 · found 4 days agoSee prices for these dates
February 2027From $4452 departure dates2 Feb 2027 – 4 Feb 2027 · found 2 days agoSee prices for these dates
March 2027From $3691 departure date9 Mar 2027 – 6 Apr 2027 · found 4 days agoSee prices for these dates
June 2027From $3611 departure date19 Jun 2027 – 27 Jun 2027 · found 6 days agoSee prices for these dates

Airlines on the cheapest dates: AirAsia, Scoot.

Premium cabin fares from Kuala Lumpur to Koh Samui

We hold no premium economy, business or first-class fares for this route: we collect them for the busiest routes, and this one is not among them yet.

Today's prices for 9 Mar 2027 – 6 Apr 2027 in another cabin: Premium economy · Business · First

How far ahead were prices cheapest for Kuala Lumpur to Koh Samui?

Return

Fares 14 to 29 days before departure were typically 44% lower than 0 to 6 days before departure.

From the cheapest return each day between 24 Sept and 18 Oct (25 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.

See these ranges as a table
Typical price in each booking range — round trip, per traveler in Economy.
Booked ahead byTypical fareCheapest dayAbove the cheapestDays of prices
0–6 days$548$418+79%9
14–29 days$307$294Cheapest seen11
30–59 days$327$307+7%21
60–89 days$340$313+11%20
90–179 days$339$327+10%25
180+ days$358$358+17%14

Live price for these dates

The cheapest return found recently is for 9 Mar 2027 – 6 Apr 2027. A live search on this page shows what those dates cost now, for one adult in economy.

Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work