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Cheap flights from Bangkok to Koh Samui

One-way from $56, found by travellers in the last 7 days. Aviasales checks the live price.

Departure
Return
Prices for nearby dates
Sun, Oct 4$95Mon, Oct 5$146Tue, Oct 6$56Wed, Oct 7$104Thu, Oct 8$77Fri, Oct 9$110Sat, Oct 10$141Sun, Oct 11$116

Cheapest one-way tickets

Recent finds on different dates, for 1 adult. Baggage and fare rules are shown on Aviasales, where the price is checked live.

Cheapest
$56
Bangkok Airways, flight PG 121Found yesterday, 1 adult
Check price on Aviasales
7:30amBangkokTue, Oct 6
Travel time 1h 5m, nonstopBKKUSM
8:35amKoh SamuiTue, Oct 6
$73
Bangkok Airways, flight PG 121Found 4 days ago, 1 adult
Check price on Aviasales
7:30amBangkokMon, Oct 19
Travel time 1h 5m, nonstopBKKUSM
8:35amKoh SamuiMon, Oct 19
$73
Bangkok Airways, flight PG 455Found 4 days ago, 1 adult
Check price on Aviasales
6:55pmBangkokTue, Oct 27
Travel time 1h 35m, nonstopDMKUSM
8:30pmKoh SamuiTue, Oct 27
$75
Bangkok Airways, flight PG 101Found 7 days ago, 1 adult
Check price on Aviasales
6:05amBangkokFri, Apr 9
Travel time 1h 5m, nonstopBKKUSM
7:10amKoh SamuiFri, Apr 9
$76
Bangkok Airways, flight PG 119Found 2 days ago, 1 adult
Check price on Aviasales
9:00amBangkokWed, Nov 4
Travel time 1h 35m, nonstopBKKUSM
10:35amKoh SamuiWed, Nov 4

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 $30.24 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

MoTuWeThFrSaSu1234$955$1466$567$1048$779$11010$14111$11612$12313$10914$7715$10216$7717$7718$7719$7320$7721$7722$7723$10924$14125$8626$10227$7328$7729$7730$7731$77

November 2026

MoTuWeThFrSaSu1$772$773$774$765$866$777$778$779$8010$10611$10012$7713$7714–15$7716$7717$10518$10219$7720$7721$11822$13123$12624$11825$8626$7727$11228$7729$7730$79

December 2026

MoTuWeThFrSaSu1$842$85345678910111213141516171819202122232425262728293031
$84 or lessGreen: the cheapest fifth of fares on this route. Lowest in these 60 days: Oct 6, $56.

Lowest fares by month

In the fares found this week, October has the lowest: from $56 one-way, against $84 in December. Pick a month to see its cheapest date.

$0$50$100$56OctNovDecJanFebMarAprMayJunJulAugSep
Show as a table
MonthCheapest one-wayDateStops
October$56Tue, Oct 6Nonstop
November—
December$84Tue, Dec 1Nonstop
January 2027$83Thu, Jan 28Nonstop
February 2027$81Sun, Feb 14Nonstop
March 2027$84Wed, Mar 3Nonstop
April 2027$75Fri, Apr 9Nonstop
May 2027$84Sun, May 2Nonstop
June 2027$84Tue, Jun 1Nonstop
July 2027$84Tue, Jul 13Nonstop
August 2027$84Mon, Aug 30Nonstop
September 2027$83Sun, Sep 19Nonstop

Questions travellers ask

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

In the fares found this week, October has the lowest: from $56 one-way, against $84 in December.

Are there direct flights from Bangkok to Koh Samui?

Yes. Recent fares include nonstop flights with Bangkok Airways.

How long is the flight from Bangkok to Koh Samui?

A nonstop flight takes about 1h 5m. The distance is 290 mi.

Which day of the week is cheapest to fly?

In the fares we have, Sunday departures are the cheapest, with a typical lowest fare of $85. Saturday is the priciest at about $96.

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