Find cheap flights to Koh Samui

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Cheapest flights to Koh Samui airports

Find the cheapest flights to these Koh Samui airports from your nearest city or airport
Dublin
Koh Samui

CHEAPEST ROUTE FROM Dublin TO Koh Samui

Dublin (DUB) to Koh Samui (USM)

Typically, flights to Koh Samui from Dublin are cheaper when flying from Dublin to Koh Samui, which has an average price of €756

CHEAPEST MONTH TO FLY TO KOH SAMUI FROM DUBLINMay18% cheaperFlying from Dublin to Koh Samui costs on average just €619 in May
MOST EXPENSIVE MONTH TO FLY TO KOH SAMUI FROM DUBLINDecember29% more expensiveIt costs about €974 for flights to Koh Samui from Dublin in December
MOST POPULAR MONTH TO FLY TO KOH SAMUI FROM DUBLINDecember570% more users visitedMore momondo users searched in flights to Koh Samui from Dublin in December than any other month

When is the best time to fly to Koh Samui?

  • What is the absolute cheapest flight to Koh Samui?

    The best deal found on momondo in the last two weeks was a flight to Koh Samui from Dublin for €682. This is 41% cheaper than most flight deals to Koh Samui. To find the cheapest price to Koh Samui from your area, use momondo’s Airport-to-Airport Pricing Tool.

  • What is the cheapest month to fly to Koh Samui?

    The cheapest month to fly to Koh Samui from Ireland is in May. Flight prices, which tend to average around €619, are often lower during this time because this is during the off-season. If you don’t want to visit Koh Samui in May, then you should wait until September to fly from Ireland, when ticket prices are also cheap, with an average price of €679.

  • How far in advance should I book a flight to Koh Samui?

    The best time to book a flight to Koh Samui from Ireland is 0 days out, which is when prices tend to be around €756. Don’t hesitate to check prices now though, because momondo users recently found tickets for as low as €560.

  • What is the cheapest day to depart on your flight to Koh Samui?

    The cheapest day to depart on your flight to Koh Samui is on a Thursday when prices can be found for as low as €695. This is often the case because there is less demand to fly during this day of the week. Flights from Ireland to Koh Samui on a Saturday will generally be more expensive and average around €850. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

  • What is the cheapest time of day to depart on your flight to Koh Samui?

    The cheapest time of day to fly to Koh Samui is in the afternoon when flights can be purchased for as low as €722. Try not to purchase tickets in the evening because they tend to be around €788. Of course, these prices can vary depending on the time of year and what airport you fly to.

  • When is the best time to plan a beach trip to Koh Samui?

    The month of February, March, or April is often the best time to visit Koh Samui to go to the beach due to the weather. Chaweng Beach is the most often visited beach in the area. Consider visiting Lamai Beach during your Koh Samui visit as well.

  • Is there an alternative airport near Koh Samui?

    Surat Thani Airport, Nakhon Si Thammarat Airport or Chumphon Airport can be an alternative airport used for travel to Koh Samui.

  • Is there a cheaper alternative to flying into Koh Samui?

    You can find deals at Nakhon Si Thammarat Airport for €1,149pp on average, but that price can change based on your departure airport. To save money, try momondo’s Airport-to-Airport Pricing Tool.


Koh Samui flight deals found on momondo

Check out some of the best fares from airports in Ireland to Koh Samui found recently by users on momondo
Multiple Airlines
15 Apr
DUB02:05Dublin
25h 25m
2 stops
USM03:30Koh Samui
24 Apr
USM14:20Koh Samui
43h 40m
2 stops
DUB10:00Dublin
Multiple Airlines
3 Mar
DUB12:05Dublin
37h 25m
2 stops
USM01:30Koh Samui
12 Mar
USM14:40Koh Samui
21h 40m
2 stops
DUB13:20Dublin
Multiple Airlines
3 Mar
DUB07:55Dublin
22h 25m
3 stops
USM06:20Koh Samui
12 Mar
USM14:40Koh Samui
46h 40m
2 stops
DUB14:20Dublin
Multiple Airlines
11 Mar
DUB08:55Dublin
40h 35m
2 stops
USM01:30Koh Samui
2 Apr
USM10:30Koh Samui
22h 40m
2 stops
DUB09:10Dublin
Multiple Airlines
4 Mar
DUB08:55Dublin
21h 25m
2 stops
USM06:20Koh Samui
18 Mar
USM11:40Koh Samui
28h 05m
2 stops
DUB15:45Dublin
Multiple Airlines
16 Apr
DUB13:55Dublin
21h 10m
2 stops
USM11:05Koh Samui
27 Apr
USM10:30Koh Samui
25h 15m
2 stops
DUB11:45Dublin

Find the cheapest one-way flights to Koh Samui

If you're looking for one-way flights from Ireland to Koh Samui, view some of our deals below provided by KLM
Multiple Airlines
10 Mar
DUB07:25Dublin
23h 15m
3 stops
USM06:40Koh Samui
Multiple Airlines
10 Mar
DUB02:20Dublin
28h 20m
2 stops
USM06:40Koh Samui
Multiple Airlines
7 Mar
DUB02:20Dublin
23h 10m
2 stops
USM01:30Koh Samui

Which airlines fly to Koh Samui?

Here you can see a selection of the most popular and cheapest airlines for flights to Koh Samui
  • Which airlines fly to Koh Samui?

    When flying to Koh Samui from Ireland, momondo travellers will most often fly with one of these popular airlines: British Airways, Finnair, Qatar Airways or KLM. Depending on what airport in Ireland you fly from, you may be able to find flights with any of these popular airlines.


Popular routes to Koh Samui

Most frequently searched flights to Koh Samui along with the cheapest price and shortest flight duration
Dublin to Koh Samui Flights
Fastest flight time21h 10m
Cheapest price€560
Bangkok to Koh Samui Flights
Fastest flight time1h 10m
Cheapest price€240
Cork to Koh Samui Flights
Fastest flight time20h 10m
Cheapest price€542

Start planning your trip to Koh Samui


Flights to other cities in Thailand

Lost the lust for Koh Samui? Check out some flights to other cities in Thailand