$367 Cheap Flights from Athens (ATH) to Samui Intl. Airport (USM)

View $367 flight on Fri, Oct 3, 2025Opens in a new window

Popular airlines from Athens Intl. Airport (ATH) to Samui Intl. Airport (USM)

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Cheap Flights from Athens to Samui Intl. Airport (ATH-USM)

Prices were available within the past 7 days and start at $367 for one-way flights and $794 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Gulf Air
Mon, Oct 6 - Tue, Oct 21
ATH
Athens
USM
Koh Samui
$794 Roundtrip, found 2 days ago
$794
Roundtrip
found 2 days ago
Select Gulf Air flight, departing Mon, Oct 6 from Athens to Koh Samui, returning Tue, Oct 21, priced at $794 found 2 days ago
Gulf Air
Mon, Oct 6 - Sun, Oct 19
ATH
Athens
USM
Koh Samui
$797 Roundtrip, found 2 days ago
$797
Roundtrip
found 2 days ago
Select Gulf Air flight, departing Mon, Oct 6 from Athens to Koh Samui, returning Sun, Oct 19, priced at $797 found 2 days ago
Gulf Air
Wed, Sep 3 - Sun, Sep 21
ATH
Athens
USM
Koh Samui
$801 Roundtrip, found 2 days ago
$801
Roundtrip
found 2 days ago
Select Gulf Air flight, departing Wed, Sep 3 from Athens to Koh Samui, returning Sun, Sep 21, priced at $801 found 2 days ago
Gulf Air
Mon, Oct 6 - Wed, Oct 22
ATH
Athens
USM
Koh Samui
$804 Roundtrip, found 2 days ago
$804
Roundtrip
found 2 days ago
Select Gulf Air flight, departing Mon, Oct 6 from Athens to Koh Samui, returning Wed, Oct 22, priced at $804 found 2 days ago
Gulf Air
Mon, Oct 6 - Thu, Oct 23
ATH
Athens
USM
Koh Samui
$808 Roundtrip, found 2 days ago
$808
Roundtrip
found 2 days ago
Select Gulf Air flight, departing Mon, Oct 6 from Athens to Koh Samui, returning Thu, Oct 23, priced at $808 found 2 days ago
Gulf Air
Wed, Sep 3 - Thu, Sep 18
ATH
Athens
USM
Koh Samui
$811 Roundtrip, found 2 days ago
$811
Roundtrip
found 2 days ago
Select Gulf Air flight, departing Wed, Sep 3 from Athens to Koh Samui, returning Thu, Sep 18, priced at $811 found 2 days ago
Scoot
Sun, Oct 12 - Tue, Oct 21
ATH
Athens
USM
Koh Samui
$871 Roundtrip, found 4 days ago
$871
Roundtrip
found 4 days ago
Select Scoot flight, departing Sun, Oct 12 from Athens to Koh Samui, returning Tue, Oct 21, priced at $871 found 4 days ago
Austrian Airlines
Wed, Oct 8 - Thu, Oct 16
ATH
Athens
USM
Koh Samui
$964 Roundtrip, found 2 days ago
$964
Roundtrip
found 2 days ago
Select Austrian Airlines flight, departing Wed, Oct 8 from Athens to Koh Samui, returning Thu, Oct 16, priced at $964 found 2 days ago
Lufthansa
Wed, Oct 15 - Mon, Nov 3
ATH
Athens
USM
Koh Samui
$995 Roundtrip, found 2 days ago
$995
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Wed, Oct 15 from Athens to Koh Samui, returning Mon, Nov 3, priced at $995 found 2 days ago
Etihad Airways
Fri, Oct 17 - Sat, Nov 1
ATH
Athens
USM
Koh Samui
$1,046 Roundtrip, found 2 days ago
$1,046
Roundtrip
found 2 days ago
Select Etihad Airways flight, departing Fri, Oct 17 from Athens to Koh Samui, returning Sat, Nov 1, priced at $1,046 found 2 days ago

Alternative airports near Koh Samui

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Samui Intl. Airport USM. Cheapest and Closest option available. Average driving time to city center is 31 minutes. Flights from $1,047
USM
Samui Intl. Airport
CheapestClosest
Average driving time to city center31 min
Flights from $1,047
Flights from Athens (ATH) to Samui Intl. Airport (USM)
Origin airport
Eleftherios Venizelos
Destination airport
Samui Intl. Airport
Roundtrip price
$794
Distance
5059 mi

Athens to Samui Intl. Airport Flights

The cheapest times to fly from Athens to Samui Intl. Airport

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Athens to Samui Intl. Airport are during the month of October. You can find some of the cheapest flights from Athens to Samui Intl. Airport with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Athens to Samui Intl. Airport

Sunday is one of the best days to book for cheap flights from Athens to Samui Intl. Airport: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Athens to Samui Intl. Airport

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Athens to Samui Intl. Airport in 2025. You can also book with separate airlines for your outbound and return journeys, from $367 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Athens to Samui Intl. Airport flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Athens to Samui Intl. Airport airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Eleftherios Venizelos Airport (ATH) to Ko Samui Airport (USM) cost?
Get a cheap one-way flight from $367 or cheap return flight from $794 from Eleftherios Venizelos Airport (ATH) to Ko Samui Airport (USM) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Eleftherios Venizelos Airport (ATH) to Ko Samui Airport (USM)?
Traveling in October is a great way to save, as it's the cheapest month for flights between ATH and USM. You'll typically find the lowest fares during off-peak months.
What is the cheapest airline that flies from Eleftherios Venizelos Airport (ATH) to Ko Samui Airport (USM)?
Expedia's filter tool lets you easily compare different airlines, flight durations and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest ATH to USM flight.
How many flights per day from Eleftherios Venizelos Airport (ATH) to Ko Samui Airport (USM)?
You'll need to hop on a flight with a layover if you're traveling from Eleftherios Venizelos Airport (ATH) to Ko Samui Airport (USM). Direct flights don't operate daily on this route. However, simply filter your search to include one or two stops to discover an option that works for you.
What day of the week has the most flights from ATH to USM?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can change depending on a number of factors, including the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Eleftherios Venizelos Airport (ATH) to Ko Samui Airport (USM)?
To avoid potential delays on the Eleftherios Venizelos Airport (ATH) to Ko Samui Airport (USM) route, aim to fly before 3 PM. Later flights are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Eleftherios Venizelos Airport (ATH) to Ko Samui Airport (USM) last-minute?
Waiting until right before your break to book a ticket from ATH to USM generally means paying more. While you may come across some last-minute discounts, they aren't always guaranteed. Keep your travel plans flexible for the best chance of scoring a bargain.
Is it cheaper to book an ATH to USM flight and hotel package?
You can save money by securing an ATH to USM flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one convenient place. Once you've chosen your preferred accommodations and flights, consider adding extras like car rentals, tours and activities.
Can I cancel or change the date of my flight from Eleftherios Venizelos Airport (ATH) to Ko Samui Airport (USM)?
If you booked your ATH to USM flight in the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for further details.

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*Available to One Key members.