Cheap flights from Denpasar (Bali) to Koh Samui from $168 DPS → USM
Ngurah Rai International Airport (DPS) → Koh Samui Airport (USM)
The cheapest return found recently is $658 with Scoot, 25 Dec – 4 Jan 2027, found 2 days ago. The cheapest one-way found recently is $168 with Scoot, 4 Aug 2027, found 5 days ago.
- Cheapest one-way found recently
- $168, found 5 days ago
- Cheapest return found recently
- $658, 25 Dec to 4 Jan 2027
- Usual return price
- $379 to $619
- Cheapest month to fly
- January 2027, return fares from $356 found in the last 7 days
Return
The cheapest return fare on each of 5 departure dates is usually $379 to $619.
Cheapest return found recently
$658
25 Dec – 4 Jan 2027 · Scoot
Ngurah Rai International Airport (DPS) → Koh Samui Airport (USM)
Leaves 11:10 a.m. · Return leaves 8:15 a.m. · 36 h 40 min of travel, both ways together
out 1 stop, back 3 stops
found 2 days ago
Cheapest nonstop return
None seen yet.
Found recently, and the cheapest we hold
$658 25 Dec – 4 Jan 2027found 2 days agoSee prices for these dates
$356 21 Jan 2027 – 2 Feb 2027found 3 days agoSee prices for these dates
What have prices looked like?
Over 49 days, 24 Sept to 11 Nov, the cheapest return we saw each day was $337 to $428.
At $658, the cheapest return found recently is above that range.
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 5 departure dates from 18 Dec to 27 Jan 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 10-night return fares leaving within 3 days of 25 Dec to compare.
Every date we hold
22 fares on 5 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 18 Dec – 26 Dec | $619 | Scoot | Ngurah Rai International Airport (DPS) → Koh Samui Airport (USM) | out 1 stop, back 1 stop | found 7 days ago | See prices for these dates |
| 25 Dec – 4 Jan 2027 | $650 | Scoot | Ngurah Rai International Airport (DPS) → Koh Samui Airport (USM) | out 1 stop, back 1 stop | found 4 days ago | See prices for these dates |
| 3 Jan 2027 – 13 Jan 2027 | $560 | AirAsia | Ngurah Rai International Airport (DPS) → Koh Samui Airport (USM) | out 2 stops, back 2 stops | found 4 days ago | See prices for these dates |
| 21 Jan 2027 – 2 Feb 2027 | $356 | Singapore Airlines | Ngurah Rai International Airport (DPS) → Koh Samui Airport (USM) | out 1 stop, back 1 stop | found 3 days ago | See prices for these dates |
| 27 Jan 2027 – 3 Feb 2027 | $379 | Scoot | Ngurah Rai International Airport (DPS) → Koh Samui Airport (USM) | out 1 stop, back 1 stop | found 3 days ago | See prices for these dates |
Which month looks cheapest?
January 2027 is the cheapest month — from $356.
Airlines on the cheapest dates: Scoot, AirAsia, Singapore Airlines.
One-way
Not enough comparable prices yet for a usual one-way price.
Cheapest one-way found recently
$168
4 Aug 2027 · Scoot
Ngurah Rai International Airport (DPS) → Koh Samui Airport (USM)
Leaves 1:05 a.m. · 7 h 40 min trip
1 stop
found 5 days ago
Cheapest nonstop one-way
None seen yet.
Found recently, and the cheapest we hold
$168 4 Aug 2027found 5 days agoOpen this trip
It is also the cheapest one-way we hold, of any age.
What have prices looked like?
Over 27 days, 27 Sept to 11 Nov, the cheapest one-way we saw each day was $168 to $249.
At $168, the cheapest one-way found recently is at the low end of that range.
27 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 one-way price?
Not enough comparable prices yet: we hold one-way fares on 1 departure date and need at least 3 to say what is usual.
Could nearby dates be cheaper?
We hold no other one-way fares leaving within 3 days of 4 Aug 2027 to compare.
Every date we hold
1 fares on 1 departure dates
See every date as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 4 Aug 2027 | $168 | Scoot | Ngurah Rai International Airport (DPS) → Koh Samui Airport (USM) | 1 stop | found 5 days ago | Open this trip |
Airlines on the cheapest dates: Scoot.
Premium cabin fares from Denpasar (Bali) 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 25 Dec – 4 Jan 2027 in another cabin: Premium economy · Business · First
Today's prices for 4 Aug 2027 in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Denpasar (Bali) to Koh Samui?
Return
Fares 180 or more days before departure were typically 18% 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.
See these ranges as a table
| Booked ahead by | Typical fare | Cheapest day | Above the cheapest | Days of prices |
|---|---|---|---|---|
| 0–6 days | $473 | $384 | +22% | 14 |
| 7–13 days | $430 | $386 | +11% | 19 |
| 14–29 days | $420 | $419 | +8% | 10 |
| 30–59 days | $397 | $337 | +2% | 45 |
| 60–89 days | $460 | $356 | +18% | 44 |
| 90–179 days | $428 | $349 | +10% | 43 |
| 180+ days | $389 | $358 | Cheapest seen | 21 |
One-way
Not enough history yet: in 27 days of one-way prices, 27 Sept to 11 Nov, fewer than 3 booking ranges had prices on 7 days or more.
Could a nearby airport be cheaper?
A different airport at either end can change the fare — sometimes a lot.
One-way
Praya → Koh Samui
117 km from Denpasar (Bali)
$225
$57 more than flying from Denpasar (Bali)
7 Jul 2027 · LOP → USM · 1 stop
found 2 days ago
Denpasar (Bali) → Surat Thani
94 km from Koh Samui
$294
$126 more than flying to Koh Samui
23 Oct 2027 · DPS → URT · 3 stops
found 7 days ago
Cheapest recent price on each route — one way, per traveler in Economy. Distances are in a straight line.
Live price for these dates
The cheapest return found recently is for 25 Dec – 4 Jan 2027. A live search on this page shows what those dates cost now, for one adult in economy.
Questions about this trip
How much is a return flight from Denpasar (Bali) to Koh Samui?
The cheapest return found recently is $658 with Scoot, 25 Dec to 4 Jan 2027, found 2 days ago. The cheapest return we hold, of any age, is $356 with Singapore Airlines, 21 Jan 2027 to 2 Feb 2027, found 3 days ago. The cheapest return fare on each of 5 departure dates is usually $379 to $619.
How much is a one-way flight from Denpasar (Bali) to Koh Samui?
The cheapest one-way found recently is $168 with Scoot, 4 Aug 2027, found 5 days ago.
What is the cheapest month to fly from Denpasar (Bali) to Koh Samui?
January 2027 is the cheapest month for a return, from $356, 21 Jan 2027 to 2 Feb 2027, found 3 days ago.
How far ahead should I book a flight from Denpasar (Bali) to Koh Samui?
In 49 days of prices between 24 Sept and 11 Nov, return fares 180 or more days before departure were typically 18% lower than 0 to 6 days before departure.
How long is the flight from Denpasar (Bali) to Koh Samui?
The cheapest one-way found recently, with Scoot on 4 Aug 2027, takes 7 h 40 min with 1 stop.
Which airlines have the cheapest flights from Denpasar (Bali) to Koh Samui?
Between 18 Dec and 27 Jan 2027, Scoot has the cheapest return on 3 of the 5 departure dates we hold, AirAsia on 1 and Singapore Airlines on 1.
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