$810 Cheap Qatar Airways flights Dublin (DUB) to Samui Intl. Airport (USM)

View $810 flight on Mon, Nov 3, 2025Opens in a new window

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$810 Cheap Qatar Airways flights Dublin (DUB) to Samui Intl. Airport (USM)

Prices were available within the past 7 days and start at $810 for one-way flights and $1,138 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Qatar Airways
Thu, Feb 12 - Tue, Feb 24
DUB
Dublin
USM
Koh Samui
$1,138 Roundtrip, found 6 days ago
$1,138
Roundtrip
found 6 days ago
Select Qatar Airways flight, departing Thu, Feb 12 from Dublin to Koh Samui, returning Tue, Feb 24, priced at $1,138 found 6 days ago
Flights from Dublin (DUB) to Samui Intl. Airport (USM)
Origin airport
Dublin
Destination airport
Samui Intl. Airport
Airlines serving
British Airways, Etihad Airways, Qatar Airways, Swiss International Air Lines, Turkish Airlines
Popular airline
Etihad Airways
Distance
6343 mi

Frequently asked questions

How much is a Qatar Airways flight from Dublin Airport (DUB) to Ko Samui Airport (USM)?
Scoring cheap one-way Qatar Airways flights from DUB to USM from $810 on Expedia is a breeze --- just filter by "Price (lowest to highest)." Or check out our affordable round-trip fares from $1,138 for your next adventure.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from DUB to USM with Qatar Airways?
October is one of the most affordable months to get away to Koh Samui with Qatar Airways. You could also find excellent prices on return and one-way tickets in September.
What is the cheapest time to book flights from Dublin Airport (DUB) to Ko Samui Airport (USM) with Qatar Airways?
Landing the best Qatar Airways deals from DUB to USM often comes down to booking at the right moment. You can save 17% on international flights when you book 18 to 29 days before takeoff instead of four to five months ahead. What's more, you can pocket 17% on average by buying your fare on a Sunday compared to a Friday, which is usually the most expensive day to book.* It's smart to kick off your flight search about one month before your departure date.*Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does Qatar Airways fly nonstop from Dublin Airport (DUB) to Ko Samui Airport (USM)?
To figure out if there's a direct trip from DUB to USM with Qatar Airways or any other carriers, use our "Nonstop" filter when looking for tickets.
What is the earliest Qatar Airways flight from DUB to USM?
To find the earliest departures from DUB to USM with Qatar Airways, filter your search by "Morning" and "Early Morning." Booking an early flight usually means you'll experience fewer cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does Qatar Airways fly into in Koh Samui?
Qatar Airways flights from Dublin Airport (DUB) to Koh Samui come in to land at Ko Samui Airport (USM). This is the main entry point to this city.
What kind of luggage can I take on a Qatar Airways flight from Dublin Airport (DUB) to Ko Samui Airport (USM)?
On a standard economy flight with Qatar Airways from DUB to USM, passengers can bring 2 checked-in bags up to 50 lb with dimensions not exceeding 118 inches in total. For carry-on, you're allowed 1 cabin bag weighing up to 33 lb and measuring no more than 19 inches x 14 inches x 9 inches. Weight and size limits can differ based on the airfare type and cabin class you're in. To make sure you don't get caught with extra charges at the airport, double-check your Qatar Airways booking or look up the airline's website before you begin packing.
Why fly with Qatar Airways from DUB to USM?
Heading from DUB to USM with Qatar Airways comes with a host of perks, such as an excellent in-flight experience and a rewarding loyalty program. Plus, when you book through Expedia, One Key™ members can collect OneKeyCash™* to spend on select future travel purchases. That's in addition to the Qatar Privilege Club points you can earn with Qatar Airways.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my Qatar Airways flight from Dublin Airport (DUB) to Ko Samui Airport (USM)?
Depending on your ticket type, a fee is typically charged if you cancel or change your booking more than 24 hours after confirmation. To find flexible fares, select our "Changes included" or "No cancel fee" filter when you look for flights. For additional information on canceling or modifying your reservation, head to "Trips," select your flight and click on "Manage Booking."

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*Available to One Key members.