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Cheap flights from Denpasar (Bali) to Koh Samui

One-way from $139, found by travellers in the last 7 days. The live price is checked when you book.

Departure
Return
Prices for nearby dates
Mon, Jan 11$168Tue, Jan 12$163Wed, Jan 13$164Thu, Jan 14$139Fri, Jan 15$163Sat, Jan 16Any priceSun, Jan 17$207Mon, Jan 18Any price

Cheapest one-way tickets

Recent finds on different dates, for 1 adult. Booking opens on Aviasales, which shows baggage, fare rules and the live price.

Cheapest
$139
Scoot, flight TR 283Found 4 days ago, 1 adult
Check live price
8:00pmDenpasar (Bali)Thu, Jan 14
Travel time 4h 40m, 1 stopDPSUSM
11:40pmKoh SamuiThu, Jan 14
$156
Scoot, flight TR 239Found yesterday, 1 adult
Check live price
4:25pmDenpasar (Bali)Tue, Dec 1
Travel time 4h 45m, 1 stopDPSUSM
8:10pmKoh SamuiTue, Dec 1
$163
Scoot, flight TR 283Found 5 days ago, 1 adult
Check live price
8:00pmDenpasar (Bali)Tue, Jan 12
Travel time 4h 40m, 1 stopDPSUSM
11:40pmKoh SamuiTue, Jan 12
$163
Scoot, flight TR 281Found 5 days ago, 1 adult
Check live price
11:10amDenpasar (Bali)Fri, Jan 15
Travel time 4h 35m, 1 stopDPSUSM
2:45pmKoh SamuiFri, Jan 15
$164
Scoot, flight TR 281Found today, 1 adult
Check live price
11:10amDenpasar (Bali)Wed, Dec 2
Travel time 4h 30m, 1 stopDPSUSM
2:40pmKoh SamuiWed, Dec 2

Round trips

The cheapest return tickets found recently, price for the whole trip.

Plan the rest of the trip

  • Mobile data in ThailandTravel eSIM from $4, installed before you fly.
    Compare plans
  • Getting from the airportTransfers and car hire in Koh Samui, booked ahead at a fixed price.
    See options
  • Things to do in Koh SamuiPopular tours from $36.41 per person.
    See ideas
  • Travel insuranceTravel insurance quotes for Thailand from EKTA; check what each policy covers.
    Get a quote
  • Flight delayed?Delayed or cancelled? See which passenger rights cover this route.
    Check

Price calendar

The lowest one-way fare found for each day over the next 60 days. A dash means no recent fare; you can still pick that day.

October 2026

MoTuWeThFrSaSu123456789101112131415161718192021222324252627–28$20529–30$21031$199

November 2026

MoTuWeThFrSaSu1$2622$2623$2324$2275$2276–7$2358$1889$24110$24111$23212$18713$20114$22715–16$22917–18–19–20$17421$19422$25423–24–25–26–27–28$20029–30$226

December 2026

MoTuWeThFrSaSu1$1562$1643–4–5$1846$2467$2018–9–10–11$16412–13$24414–15$19716–17$20218$35119–20$31721$33322$37023$30924$31525$308262728293031
$184 or lessGreen: the cheapest fifth of fares on this route. Lowest in these 60 days: Dec 1, $156.

Lowest fares by month

In the fares found this week, January 2027 has the lowest: from $139 one-way, against $246 in February 2027. Pick a month to see its cheapest date.

  1. Oct$199
  2. Nov$174
  3. Dec$156
  4. Jan$139
  5. Feb$246
  6. Mar$242
  7. Aprno fares yet
  8. Mayno fares yet
  9. Junno fares yet
  10. Julno fares yet
  11. Augno fares yet
  12. Sep$171
$0$100$200$300OctNovDec$139JanFebMarAprMayJunJulAugSep
Show as a table
MonthCheapest one-wayDateStops
October$199Sat, Oct 311 stop
November$174Fri, Nov 201 stop
December$156Tue, Dec 11 stop
January 2027$139Thu, Jan 141 stop
February 2027$246Thu, Feb 111 stop
March 2027$242Sat, Mar 131 stop
April 2027—
May 2027—
June 2027—
July 2027—
August 2027—
September 2027$171Sun, Sep 262 stops

Fares and weather by month

The lowest one-way fare found for each month, next to the weather in Koh Samui. Average daily high and low and monthly precipitation, 1991–2020 normals.

Oct2026NovDecJan2027FebMarAprMayJunJulAugSep
Lowest fare$199$174$156$139$246$242–––––$171
High °C31°30°29°29°29°30°32°33°33°32°32°32°
Low °C24°24°24°24°25°25°26°26°25°25°25°25°
Precipitation mm2954452631276411683132134117102118

Source: Ko Samui on Wikipedia, CC BY-SA 4.0.

Questions travellers ask

What is the cheapest month to fly from Denpasar (Bali) to Koh Samui?

In the fares found this week, January 2027 has the lowest: from $139 one-way, against $246 in February 2027.

What is the weather in Koh Samui in January 2027?

In January 2027, the cheapest month to fly, the average daily high in Koh Samui is 29 °C and the low 24 °C.

Are there direct flights from Denpasar (Bali) to Koh Samui?

None of the fares found recently are nonstop. The cheapest options have at least one stop.

Which day of the week is cheapest to fly?

In the fares we have, Friday departures are the cheapest, with a typical lowest fare of $206. Sunday is the priciest at about $246.

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