DUB - USM

€762 Find Cheap Flights from Dublin to Ko Samui

This is the cheapest return flight price found by a KAYAK user in the last 72 hours by searching for a flight from Dublin to Ko Samui departing on 11/9. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy

KAYAK searches hundreds of travel sites at once for deals on flights to Ko Samui

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Dublin to Ko Samui, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Dublin to Ko Samui, as well as popular online travel agencies
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Flights Deals

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

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Dublin to Ko Samui that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Dublin to Ko Samui

Thu, 11 Sep - Wed, 24 Sep
 Logo
08:15 - 10:45DUB-USM
20h 30m2 stops
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07:00 - 06:45USM-DUB
29h 45m2 stops
€762
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Thu, 11 Sep - Thu, 18 Sep
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08:15 - 16:55DUB-USM
26h 40m2 stops
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08:00 - 13:30USM-DUB
35h 30m2 stops
€778
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Mon, 22 Sep - Mon, 6 Oct
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09:10 - 21:10DUB-USM
30h 00m2 stops
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08:00 - 22:25USM-DUB
20h 25m2 stops
€797
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Mon, 19 Jan - Thu, 29 Jan
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18:35 - 21:05DUB-USM
19h 30m2 stops
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08:55 - 17:45USM-DUB
39h 50m2 stops
€813
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Fri, 12 Sep - Fri, 19 Sep
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06:50 - 14:50DUB-USM
26h 00m3 stops
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12:30 - 19:15USM-DUB
36h 45m3 stops
€818
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Fri, 12 Sep - Fri, 19 Sep
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06:50 - 14:50DUB-USM
26h 00m3 stops
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17:40 - 17:15USM-DUB
29h 35m2 stops
€820
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Sun, 17 Aug - Mon, 1 Sep
Etihad Airways Logo
09:05 - 18:15DUB-USM
27h 10m2 stops
Etihad Airways Logo
13:30 - 07:10USM-DUB
23h 40m2 stops
€1,115Etihad Airways
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Sun, 17 Aug - Mon, 1 Sep
Etihad Airways Logo
09:05 - 18:15DUB-USM
27h 10m2 stops
Etihad Airways Logo
13:30 - 07:10USM-DUB
23h 40m2 stops
€1,123Etihad Airways
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Sun, 28 Dec - Tue, 13 Jan
Lufthansa Logo
10:50 - 20:25DUB-USM
26h 35m2 stops
Lufthansa Logo
13:25 - 17:10USM-DUB
34h 45m2 stops
€2,303Lufthansa
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Sun, 28 Dec - Tue, 13 Jan
SWISS Logo
18:35 - 15:35DUB-USM
38h 00m2 stops
SWISS Logo
16:25 - 12:00USM-DUB
26h 35m2 stops
€2,336SWISS
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Booking Insights

KAYAK's insights & trends for Dublin to Ko Samui flights

Get data-powered insights and trends into flights from Dublin to Ko Samui to help you find the cheapest flights, the best time to fly and much more.

How much is a round-trip flight from Dublin to Ko Samui?

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

The average price of all round-trip flights from Dublin to Ko Samui clicked on KAYAK for each day over the last 12 months.

For Dublin to Ko Samui, Thursday is the cheapest day to fly on average and Sunday is the most expensive. Flying from Ko Samui back to Dublin, the best deals are generally found on Tuesday, with Sunday being the most expensive.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Dublin to Ko Samui, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Dublin to Ko Samui is November, where tickets cost €794 (return) on average. On the other hand, the most expensive months are July and December, where the average cost of round-trip tickets is €1,386 and €1,355 respectively.


Good to know

Low seasonApril
Cheapest flight€762
Best time to beat the crowds but there is an average 24% increase in price.
Most popular time to fly and prices are also 23% lower on average.
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
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Dublin to Ko Samui

  • 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.

  • What is the cheapest flight from Dublin to Ko Samui?

    In the last 3 days, the lowest price for a flight from Dublin to Ko Samui was €877 for a return ticket.

  • Which airports will I be using when flying from Dublin to Ko Samui?

    When flying out of Dublin you will be using Dublin. You will be landing at Ko Samui, also known as Ko Samui.

  • Which aircraft models fly most regularly from Dublin to Ko Samui?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Dublin to Ko Samui?

    Star Alliance is the only airline alliance operating flights between Dublin and Ko Samui.

  • How does KAYAK find such low prices on flights from Dublin to Ko Samui?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Dublin to Ko Samui.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Dublin to Ko Samui?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Ko Samui from Dublin is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Dublin to Ko Samui?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Ko Samui with an airline and back to Dublin with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Dublin to Ko Samui?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Ko Samui from Dublin up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from Dublin to Ko Samui

  • 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.

Reviews of the top airline flying from Dublin to Ko Samui

 
See real verified KAYAK customer reviews for airlines flying from Dublin to Ko Samui. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Dublin to Ko Samui? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.4
Qatar AirwaysOverall score based on 3607 reviews
7.4Comfort
7.3Food
7.4Entertainment
7.5Boarding
7.9Crew
Airline reviews

Indigo airlines is terrible. Staff is awful and so disorganized. They are so rude and unhelpful. I will never travel on Indigo airlines again!!!!!

2.0 MediocreAnonymous, Jul 2025BLR - DOH
Read more Qatar Airways reviews

Indigo airlines is terrible. Staff is awful and so disorganized. They are so rude and unhelpful. I will never travel on Indigo airlines again!!!!!

Terrible experience resolving missed connection after flight was delayed. 3 hour queue at transit desk, not enough staff, no organisation, worst ever flying experience.

The seats were uncomfortable. The service was poor. We bought internet for my family and myself and it didn’t work. The charger for our phone didn’t work. The service seemed like they were tired and exhausted and seemed a bit upset. It was not a good flight. Our flight from miami to Qatar was great but from Qatar to Tokyo was simply awful

I’ve flown with Qatar multiple times and the service has always been great. Very professional, organized, the food is delicious and plentiful, tons of entertainment.

I recently travelled in Business Class with Qatar Airways, and overall, it was a pleasant experience. The cabin crew stood out for their kindness and professionalism, making the journey truly comfortable. The food exceeded expectations and was exceptional in both quality and presentation. The boarding staff was courteous, though I would like to mention that the staff member responsible for checking tickets during boarding could benefit from additional training to be more welcoming. A warm and hospitable approach would enhance the passenger experience significantly. However, one aspect of the journey was particularly frustrating. The in-flight entertainment system was disappointing, as the headphones provided did not work at all due to a loose connection. This significantly impacted the experience, especially since the flight also lacked Wi-Fi service. Addressing these issues would greatly enhance the overall travel experience. Lastly, I would suggest implementing a section-wise boarding process to streamline the boarding experience and minimise potential challenges. I appreciate the efforts Qatar Airways puts into delivering high-quality service and hope to see these improvements implemented in the future.

The only thing that could have been better, is that the food trays get left way to long after a meal. We had a snack 8 hrs into the trip, and they left us with the boxes and cups for way too long. It is not fun being trapped in your seat unnecessarily

Worst air experience in whole life . Boarding and checking was hassle as they did 3 times. Crew team was clueless about passengers need. Despite of passengers raising hand , they were resetting the program

Seating is terrible, having seats so crammed is unacceptable for a 15-hour journey. I cannot stress enough how uncomfortable it is to sit in such an aircraft. Leg space is roomier in a domestic aircraft. I have not experienced this kind of crammy seating in domestic flights either in the US or other international airlines overseas.

Our male flight attendant was top notch - wish I could remember his name. Boarding is never fun when I have to ride the shuttle to the middle of the tarmac and pull my carry on bags up the stairs to my seat. My knees are banged up and my shoulders give me pain, so the flight started off poorly. The seat leg rests don’t recline completely so that makes is difficult if not dangerous to get in and out of the middle seats. The entertainment system touch screens prevented one from seeing the options. They are old and the software needs to be updated. I was on six planes in the last two weeks and able to see the flight progress without any stress. Couldn’t watch anything else. I do like Qatar Airways, just not a fan of a few things.

Very unimpressed that I was dumped from the seat I had booked and paid for after check in. Apparently a family wanted to sit together, however as they all were adults I think they should have pre booked their seats like I did. I will be approaching Qatar for a refund. That and the dreadful state of the flooding toilets made me wonder how they managed to be voted the best airline. Not worth the money.

Everything you need to know for your flight from Dublin to Ko Samui

Information on your arrival and departure airports

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