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Cheap flights from Phuket to Koh Samui

One-way from $40, found by travellers in the last 7 days. The live price is checked when you book.

Departure
Return
Prices for nearby dates
Wed, Oct 28$104Thu, Oct 29$49Fri, Oct 30$81Sat, Oct 31$40Sun, Nov 1$81Mon, Nov 2$104Tue, Nov 3$98Wed, Nov 4$103

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
$40
Bangkok Airways, flight PG 252Found yesterday, 1 adult
Check live price
9:45amPhuketSat, Oct 31
Travel time 55m, nonstopHKTUSM
10:40amKoh SamuiSat, Oct 31
$49
Bangkok Airways, flight PG 250Found yesterday, 1 adult
Check live price
12:55pmPhuketThu, Oct 29
Travel time 55m, nonstopHKTUSM
1:50pmKoh SamuiThu, Oct 29
$80
Bangkok Airways, flight PG 250Found 2 days ago, 1 adult
Check live price
11:00amPhuketSun, May 23
Travel time 55m, nonstopHKTUSM
11:55amKoh SamuiSun, May 23
$80
Bangkok Airways, flight PG 254Found 2 days ago, 1 adult
Check live price
1:00pmPhuketFri, Jun 11
Travel time 55m, nonstopHKTUSM
1:55pmKoh SamuiFri, Jun 11
$81
Bangkok Airways, flight PG 408Found 6 days ago, 1 adult
Check live price
7:30amPhuketThu, May 13
Travel time 55m, nonstopHKTUSM
8:25amKoh SamuiThu, May 13

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
  • 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$11328$10429$4930$8131$40

November 2026

MoTuWeThFrSaSu1$812$1043$984$1035$1026$1087$1008$979$9910$10611$10812$11113$10214$10215$11116$9417$10418$10719$10620$13121$13622$14423$13524$12425$11626$9627$9728$9329$9830$109

December 2026

MoTuWeThFrSaSu1$1012$1053$1124$1005$1066$1407$1388$1379$14710$14211$14412$10813$14214$14415$14016$14617$14418$14319$14520$14321$13622$14323$14324$14325$143262728293031
$104 or lessGreen: the cheapest fifth of fares on this route. Lowest in these 60 days: Oct 31, $40.

Lowest fares by month

In the fares found this week, October has the lowest: from $40 one-way, against $136 in April 2027. Pick a month to see its cheapest date.

  1. Oct$40
  2. Nov$81
  3. Dec$100
  4. Jan$126
  5. Feb$114
  6. Mar$115
  7. Apr$136
  8. May$80
  9. Jun$80
  10. Jul$121
  11. Aug$100
  12. Sep$81
$0$50$100$150$40OctNovDecJanFebMarAprMayJunJulAugSep
Show as a table
MonthCheapest one-wayDateStops
October$40Sat, Oct 31Nonstop
November$81Sun, Nov 11 stop
December$100Fri, Dec 4Nonstop
January 2027$126Sat, Jan 231 stop
February 2027$114Fri, Feb 261 stop
March 2027$115Tue, Mar 91 stop
April 2027$136Sun, Apr 18Nonstop
May 2027$80Sun, May 23Nonstop
June 2027$80Fri, Jun 11Nonstop
July 2027$121Thu, Jul 8Nonstop
August 2027$100Mon, Aug 30Nonstop
September 2027$81Sat, Sep 4Nonstop

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$40$81$100$126$114$115$136$80$80$121$100$81
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 Phuket to Koh Samui?

In the fares found this week, October has the lowest: from $40 one-way, against $136 in April 2027.

What is the weather in Koh Samui in October?

In October, the cheapest month to fly, the average daily high in Koh Samui is 31 °C and the low 24 °C.

Are there direct flights from Phuket to Koh Samui?

Yes. Recent fares include nonstop flights with Bangkok Airways.

How long is the flight from Phuket to Koh Samui?

A nonstop flight takes about 55m. The distance is 156 mi.

Which day of the week is cheapest to fly?

In the fares we have, Saturday departures are the cheapest, with a typical lowest fare of $125. Sunday is the priciest at about $137.

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