$404 Cheap Flights from Riyadh (RUH) to Samui Intl. Airport (USM)

View $404 flight on Mon, Nov 3, 2025Opens in a new window

Popular airlines from King Khaled Intl. Airport (RUH) to Samui Intl. Airport (USM)

Cheap Flights from Riyadh to Samui Intl. Airport (RUH-USM)

Prices were available within the past 7 days and start at $404 for one-way flights and $686 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Kuwait Airways
Mon, Nov 3 - Mon, Nov 17
RUH
Riyadh
USM
Koh Samui
$686 Roundtrip, found 2 days ago
$686
Roundtrip
found 2 days ago
Select Kuwait Airways flight, departing Mon, Nov 3 from Riyadh to Koh Samui, returning Mon, Nov 17, priced at $686 found 2 days ago
Kuwait Airways
Mon, Nov 3 - Mon, Nov 17
RUH
Riyadh
USM
Koh Samui
$757 Roundtrip, found 2 days ago
$757
Roundtrip
found 2 days ago
Select Kuwait Airways flight, departing Mon, Nov 3 from Riyadh to Koh Samui, returning Mon, Nov 17, priced at $757 found 2 days ago
Gulf Air
Mon, Nov 3 - Mon, Nov 17
RUH
Riyadh
USM
Koh Samui
$764 Roundtrip, found 2 days ago
$764
Roundtrip
found 2 days ago
Select Gulf Air flight, departing Mon, Nov 3 from Riyadh to Koh Samui, returning Mon, Nov 17, priced at $764 found 2 days ago
Gulf Air
Mon, Nov 3 - Mon, Nov 17
RUH
Riyadh
USM
Koh Samui
$774 Roundtrip, found 2 days ago
$774
Roundtrip
found 2 days ago
Select Gulf Air flight, departing Mon, Nov 3 from Riyadh to Koh Samui, returning Mon, Nov 17, priced at $774 found 2 days ago
Qatar Airways
Mon, Nov 3 - Mon, Nov 17
RUH
Riyadh
USM
Koh Samui
$809 Roundtrip, found 2 days ago
$809
Roundtrip
found 2 days ago
Select Qatar Airways flight, departing Mon, Nov 3 from Riyadh to Koh Samui, returning Mon, Nov 17, priced at $809 found 2 days ago
Kuwait Airways
Mon, Nov 3 - Mon, Nov 17
RUH
Riyadh
USM
Koh Samui
$817 Roundtrip, found 2 days ago
$817
Roundtrip
found 2 days ago
Select Kuwait Airways flight, departing Mon, Nov 3 from Riyadh to Koh Samui, returning Mon, Nov 17, priced at $817 found 2 days ago
Qatar Airways
Mon, Nov 3 - Mon, Nov 17
RUH
Riyadh
USM
Koh Samui
$819 Roundtrip, found 2 days ago
$819
Roundtrip
found 2 days ago
Select Qatar Airways flight, departing Mon, Nov 3 from Riyadh to Koh Samui, returning Mon, Nov 17, priced at $819 found 2 days ago
Gulf Air
Sun, Oct 19 - Fri, Oct 24
RUH
Riyadh
USM
Koh Samui
$828 Roundtrip, found 2 days ago
$828
Roundtrip
found 2 days ago
Select Gulf Air flight, departing Sun, Oct 19 from Riyadh to Koh Samui, returning Fri, Oct 24, priced at $828 found 2 days ago
Oman Air
Mon, Nov 3 - Mon, Nov 17
RUH
Riyadh
USM
Koh Samui
$867 Roundtrip, found 2 days ago
$867
Roundtrip
found 2 days ago
Select Oman Air flight, departing Mon, Nov 3 from Riyadh to Koh Samui, returning Mon, Nov 17, priced at $867 found 2 days ago
Etihad Airways
Mon, Nov 3 - Mon, Nov 17
RUH
Riyadh
USM
Koh Samui
$1,075 Roundtrip, found 2 days ago
$1,075
Roundtrip
found 2 days ago
Select Etihad Airways flight, departing Mon, Nov 3 from Riyadh to Koh Samui, returning Mon, Nov 17, priced at $1,075 found 2 days ago

Frequently asked questions

How much does a flight from King Khaled Intl. Airport (RUH) to Ko Samui Airport (USM) cost?
Get a cheap one-way flight from $404 or cheap return flight from $686 from King Khaled Intl. Airport (RUH) 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 King Khaled Intl. Airport (RUH) to Ko Samui Airport (USM)?
November is the least expensive month to fly from RUH to USM. Traveling during quieter months is often the key to landing a great deal.
What is the cheapest airline that flies from King Khaled Intl. Airport (RUH) to Ko Samui Airport (USM)?
To find the cheapest airline flying from RUH to USM, use Expedia's filter tool. Tailor your search based on your travel style, such as preferred carriers and cabin class. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
How many flights per day from King Khaled Intl. Airport (RUH) to Ko Samui Airport (USM)?
There are no daily direct flights departing from King Khaled Intl. Airport (RUH) to Ko Samui Airport (USM). But you can choose flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be soaring above the clouds in no time.
What day of the week has the most flights from RUH to USM?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can change based on a range of factors, such as the carrier and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from King Khaled Intl. Airport (RUH) to Ko Samui Airport (USM)?
To avoid possible delays on the King Khaled Intl. Airport (RUH) to Ko Samui Airport (USM) route, travel before 3 PM. Departures after this time 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 King Khaled Intl. Airport (RUH) to Ko Samui Airport (USM) last-minute?
Holding off until just before your trip to book your flight from RUH to USM often results in higher prices. While you may come across some last-minute discounts, they're not always guaranteed. Keep your travel plans flexible for the best chance of snagging a bargain.
Is it cheaper to book a RUH to USM flight and hotel package?
Securing a RUH to USM flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels in one place. Pick from our wide range of accommodations and then add flights, car rentals and activities to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from King Khaled Intl. Airport (RUH) to Ko Samui Airport (USM)?
You can usually reschedule or cancel your RUH to USM flight. However, if it's been more than 24 hours since booking, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find more details on our Customer Service portal.

Travel information

Origin airport
King Khaled Intl.
Destination airport
Samui Intl. Airport
Roundtrip price
$686
Distance
3653 mi

Book with confidence

Riyadh to Samui Intl. Airport Flights

The cheapest times to fly from Riyadh 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 Riyadh to Samui Intl. Airport are during the month of November. You can find some of the cheapest flights from Riyadh to Samui Intl. Airport with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from Riyadh 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 Riyadh 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 Riyadh to Samui Intl. Airport in 2025. You can also book with separate airlines for your outbound and return journeys, from $404 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 Riyadh 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 Riyadh 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.

 

Riyadh to Samui Intl. Airport Flights
*Available to One Key members.