DUB - USM

฿15,396 Find Cheap Flights from Dublin to Ko Samui – Compare and Save

1 adult
1 adult, Economy, 0 bags

Save 30% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Everything you should know

Cheapest return flight
฿27,672
Typical prices: ฿34,468-฿50,691
Multiple Airlines
Mon 29/10Sun 11/11
DUB - USM • 2 stops
Cheapest one-way flight
฿15,396
Typical prices: ฿26,509-฿38,690
Multiple Airlines
Thu 6/12
DUB - USM • 3 stops
When to travel
April
Cheapest • 46% price drop
July
Most popular
Good to know
+1
Good to know
+1
Start a new search
KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you enjoy your trip to Ko Samui!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Dublin to Ko Samui (DUB-USM)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Dublin to Ko Samui

Thu 29 Oct - Wed 11 Nov
Multiple Airlines Logo
07:45 - 18:25DUB  Dublin-USM Ko Samui
27h 40m2 stops Doha Hamad Intl Phuket City
Multiple Airlines Logo
21:10 - 18:10USM  Ko Samui-DUB Dublin
28h 00m2 stops Bangkok Suvarnabhumi Abu Dhabi Zayed Intl
฿27,672Multiple Airlines
Thu 3 Dec - Thu 10 Dec
Multiple Airlines Logo
06:40 - 20:50DUB  Dublin-USM Ko Samui
31h 10m3 stops Brussels Bruxelles-National Chengdu Tianfu Intl Phuket City
Multiple Airlines Logo
17:05 - 18:20USM  Ko Samui-DUB Dublin
32h 15m2 stops Bangkok Suvarnabhumi Stockholm Arlanda
฿27,940Multiple Airlines
Thu 29 Oct - Wed 11 Nov
Multiple Airlines Logo
07:45 - 18:25DUB  Dublin-USM Ko Samui
27h 40m2 stops Doha Hamad Intl Phuket City
Multiple Airlines Logo
20:20 - 18:10USM  Ko Samui-DUB Dublin
28h 50m2 stops Bangkok Suvarnabhumi Abu Dhabi Zayed Intl
฿28,410Multiple Airlines
Thu 3 Dec - Thu 10 Dec
Multiple Airlines Logo
06:40 - 20:50DUB  Dublin-USM Ko Samui
31h 10m3 stops Brussels Bruxelles-National Chengdu Tianfu Intl Phuket City
Multiple Airlines Logo
19:00 - 18:20USM  Ko Samui-DUB Dublin
30h 20m3 stops Phuket City Bangkok Suvarnabhumi Stockholm Arlanda
฿28,510Multiple Airlines
Thu 29 Oct - Wed 11 Nov
Multiple Airlines Logo
14:05 - 18:25DUB  Dublin-USM Ko Samui
21h 20m3 stops Doha Hamad Intl Kuala Lumpur Intl Phuket City
Multiple Airlines Logo
06:45 - 06:30USM  Ko Samui-DUB Dublin
30h 45m2 stops Bangkok Don Mueang Intl Abu Dhabi Zayed Intl
฿29,986Multiple Airlines
Sat 31 Oct - Wed 4 Nov
Multiple Airlines Logo
11:00 - 20:25DUB  Dublin-USM Ko Samui
26h 25m2 stops Beijing Capital Bangkok Suvarnabhumi
Multiple Airlines Logo
07:00 - 22:10USM  Ko Samui-DUB Dublin
22h 10m2 stops Bangkok Suvarnabhumi Stockholm Arlanda
฿30,087Multiple Airlines
Thu 29 Oct - Wed 11 Nov
Multiple Airlines Logo
21:20 - 07:10DUB  Dublin-USM Ko Samui
26h 50m2 stops Doha Hamad Intl Bangkok Suvarnabhumi
Multiple Airlines Logo
21:10 - 12:35USM  Ko Samui-DUB Dublin
22h 25m2 stops Bangkok Suvarnabhumi Doha Hamad Intl
฿30,120Multiple Airlines
Thu 29 Oct - Wed 11 Nov
Multiple Airlines Logo
07:45 - 18:25DUB  Dublin-USM Ko Samui
27h 40m2 stops Doha Hamad Intl Phuket City
Multiple Airlines Logo
16:30 - 08:35USM  Ko Samui-DUB Dublin
23h 05m3 stops Bangkok Suvarnabhumi Abu Dhabi Zayed Intl Manchester
฿30,154Multiple Airlines
Thu 29 Oct - Wed 11 Nov
Multiple Airlines Logo
07:45 - 10:40DUB  Dublin-USM Ko Samui
19h 55m2 stops Doha Hamad Intl Phuket City
Multiple Airlines Logo
19:00 - 19:50USM  Ko Samui-DUB Dublin
31h 50m2 stops Bangkok Suvarnabhumi Doha Hamad Intl
฿30,221Multiple Airlines
Thu 29 Oct - Wed 11 Nov
Multiple Airlines Logo
14:05 - 18:25DUB  Dublin-USM Ko Samui
21h 20m3 stops Doha Hamad Intl Kuala Lumpur Intl Phuket City
Multiple Airlines Logo
07:00 - 06:30USM  Ko Samui-DUB Dublin
30h 30m2 stops Bangkok Suvarnabhumi Abu Dhabi Zayed Intl
฿30,355Multiple Airlines
Booking Insights

Price, demand, and travel trends for Dublin to Ko Samui flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights with more confidence.

What's the cheapest day of the week to fly from Dublin to Ko Samui?

Based on deals KAYAK users found in the last 12 months, Sunday is the cheapest day of the week to fly from Dublin to Ko Samui. It’s 19% cheaper than the average day, while Tuesday is the most expensive, with prices 7% higher.

What is the cheapest month to fly from Dublin to Ko Samui?

•April is the cheapest month to fly from Dublin to Ko Samui at ฿22,909 return.
•December (฿62,722) and February (฿49,507) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 173% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

Find deals

Key details for Dublin to Ko Samui flights

Low season

October

Cheapest flight

฿15,396
Beat the crowds with an average 73% drop in traveller numbers.
The most popular month to fly with an average 105% increase in traveller numbers.
One-way flight from Dublin to Ko Samui

When to book flights from Dublin to Ko Samui

Are your dates flexible? Find out the best times to travel from Dublin to Ko Samui based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price

Your Dublin to Ko Samui flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines, and booking tips.

  • Do I need a passport to fly from Dublin to Ko Samui?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a Dublin to Ko Samui flight?

    Return flights from Dublin to Ko Samui range from ฿34,468 to ฿50,691, with an average of ฿42,348 over the past 12 months. Anything below ฿34,468 counts as a good deal.

  • Have flight prices from Dublin to Ko Samui changed much recently?

    Yes. Based on fares seen in the past 5 days, return flight prices on this route showed a wide range, from about ฿27,672 to ฿267,386. That means the highest observed fare was about 10x higher than the lowest one.

  • How are flight prices from Dublin to Ko Samui looking right now?

    One-way fares from Dublin to Ko Samui are currently lower than usual. Average one-way flight prices are about ฿22,749, which is 37% below the typical average for this route.

  • Which car hire options are available at Ko Samui Airport (USM)?

    Ko Samui Airport (USM) hosts 5 major car rental companies, with daily rates starting from around ฿428 for economy cars. Top options include:

    • Drive Car Rental
    • Alamo
    • Sixt
    • Enterprise Rent-A-Car
    • Thai Rent

  • Which airports can I use when flying from Dublin to Ko Samui?

    Flights from Dublin to Ko Samui usually depart from Dublin (DUB) and arrive at Ko Samui (USM).

  • Can I save money by using flexible dates for flights from Dublin to Ko Samui?

    Yes. Flexible dates can save you up to 25% on flights from Dublin to Ko Samui. Sunday is the cheapest departure day at ฿34,581 return on average, while Tuesday is the most expensive at ฿45,616, a difference of ฿11,035.

    Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • What is the time difference between Dublin and Ko Samui?

    Ko Samui is 6 hours ahead of Dublin (Indochina Time vs Irish Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Ko Samui?

    Some of the most popular sights in Ko Samui are Chaweng Beach, Lamai Beach, and Bophut Beach. These are among the most viewed places in Ko Samui on KAYAK.

  • What are the options for travelling from Koh Samui Airport to other parts of the island?

    Private taxis are a good option for travelling to your destination. Fares range from about ฿400-1000 (€11-27) depending on the location you are travelling to. You could also choose to book a minivan, which will cost about ฿600-1500 (€17-41). Shared minivans tend to be cheaper at around ฿100-600 (€3-17) but there can be a wait of up to 30min depending on how many passengers the minivan holds. Your journey time will depend on your destination on the island but journeys to the opposite end of the island take around 45min.

  • Can I fly directly from Dublin to Koh Samui?

    Flights from Dublin Airport to Koh Samui airport usually have at least two stops. Most flights between these airports have stops in cities like Zurich, Istanbul, Abu Dhabi and Bangkok.

  • Are there services for passengers flying from Dublin with young children?

    Dublin Airport has useful baby feeding rooms located in Terminals 1 and 2. These free spaces have a private environment where you can use a microwave, high chair and bottle warmer while taking advantage of comfortable seating.

Your guide to booking Dublin to Ko Samui flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Sunday departure and avoid flying on Tuesday. On this route, Sunday flights average ฿34,581, about ฿11,035 less than Tuesday fares (24% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Dublin to Ko Samui trip for April. Fares historically average ฿22,909 return in that month – typically ฿39,814 less than the most expensive month, which is December (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Ko Samui Airport.

    • Ozo Chaweng Samui - Sha Extra Plus
    • Melia Koh Samui
    • Royal Muang Samui Villas
  • Dublin Airport (DUB) offers a Fast-Track Security Service to help passengers move more quickly through security in Terminals 1 and 2. The service costs around €6-8 for access to a dedicated Fast-Track channel, SMS flight updates and a hot drink.
  • Koh Samui Airport (USM) has three lounges for passengers to enjoy while travelling. There are two lounges in the Domestic Terminal and one in the International Terminal. These offer TVs, flight monitors and Wi-Fi along with drinks, snacks, and premium food options. Entry to the lounges costs from around ฿930 (€25).
  • Passengers can take advantage of free Wi-Fi when travelling through Dublin Airport. The service is unlimited with no registration required. There are also free charging stations located around the airport where passengers can charge their electronic devices from comfortable seating.

More options for your flight from Dublin to Ko Samui

Complete your trip to Ko Samui with a hotel stay or car hire

Car rentals in Ko Samui
Hotels in Ko Samui