$406 Cheap Flights from Samui Intl. Airport (USM) to Riyadh (RUH)

View $406 flight on Tue, Sep 16, 2025Opens in a new window

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

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

Prices were available within the past 7 days and start at $406 for one-way flights and $765 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Gulf Air
Thu, Sep 25 - Fri, Oct 3
USM
Koh Samui
RUH
Riyadh
$765 Roundtrip, found 3 days ago
$765
Roundtrip
found 3 days ago
Select Gulf Air flight, departing Thu, Sep 25 from Koh Samui to Riyadh, returning Fri, Oct 3, priced at $765 found 3 days ago
Gulf Air
Thu, Sep 25 - Fri, Oct 3
USM
Koh Samui
RUH
Riyadh
$810 Roundtrip, found 3 days ago
$810
Roundtrip
found 3 days ago
Select Gulf Air flight, departing Thu, Sep 25 from Koh Samui to Riyadh, returning Fri, Oct 3, priced at $810 found 3 days ago
Gulf Air
Thu, Sep 25 - Fri, Oct 3
USM
Koh Samui
RUH
Riyadh
$882 Roundtrip, found 3 days ago
$882
Roundtrip
found 3 days ago
Select Gulf Air flight, departing Thu, Sep 25 from Koh Samui to Riyadh, returning Fri, Oct 3, priced at $882 found 3 days ago
Bangkok Airways
Thu, Sep 25 - Fri, Oct 3
USM
Koh Samui
RUH
Riyadh
$889 Roundtrip, found 3 days ago
$889
Roundtrip
found 3 days ago
Select Bangkok Airways flight, departing Thu, Sep 25 from Koh Samui to Riyadh, returning Fri, Oct 3, priced at $889 found 3 days ago
Bangkok Airways
Thu, Sep 25 - Fri, Oct 3
USM
Koh Samui
RUH
Riyadh
$901 Roundtrip, found 3 days ago
$901
Roundtrip
found 3 days ago
Select Bangkok Airways flight, departing Thu, Sep 25 from Koh Samui to Riyadh, returning Fri, Oct 3, priced at $901 found 3 days ago
Oman Air
Thu, Sep 25 - Fri, Oct 3
USM
Koh Samui
RUH
Riyadh
$914 Roundtrip, found 3 days ago
$914
Roundtrip
found 3 days ago
Select Oman Air flight, departing Thu, Sep 25 from Koh Samui to Riyadh, returning Fri, Oct 3, priced at $914 found 3 days ago
Oman Air
Thu, Sep 25 - Fri, Oct 3
USM
Koh Samui
RUH
Riyadh
$924 Roundtrip, found 3 days ago
$924
Roundtrip
found 3 days ago
Select Oman Air flight, departing Thu, Sep 25 from Koh Samui to Riyadh, returning Fri, Oct 3, priced at $924 found 3 days ago
Gulf Air
Thu, Sep 25 - Fri, Oct 3
USM
Koh Samui
RUH
Riyadh
$928 Roundtrip, found 3 days ago
$928
Roundtrip
found 3 days ago
Select Gulf Air flight, departing Thu, Sep 25 from Koh Samui to Riyadh, returning Fri, Oct 3, priced at $928 found 3 days ago
Bangkok Airways
Thu, Sep 25 - Fri, Oct 3
USM
Koh Samui
RUH
Riyadh
$933 Roundtrip, found 3 days ago
$933
Roundtrip
found 3 days ago
Select Bangkok Airways flight, departing Thu, Sep 25 from Koh Samui to Riyadh, returning Fri, Oct 3, priced at $933 found 3 days ago
Qatar Airways
Thu, Sep 25 - Fri, Oct 3
USM
Koh Samui
RUH
Riyadh
$1,053 Roundtrip, found 3 days ago
$1,053
Roundtrip
found 3 days ago
Select Qatar Airways flight, departing Thu, Sep 25 from Koh Samui to Riyadh, returning Fri, Oct 3, priced at $1,053 found 3 days ago
Flights from Samui Intl. Airport (USM) to Riyadh (RUH)
Origin airport
Samui Intl. Airport
Destination airport
King Khaled Intl.
Roundtrip price
$765
Distance
3653 mi

Samui Intl. Airport to Riyadh Flights

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

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

 

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

Sunday is one of the best days to book for cheap flights from Samui Intl. Airport to Riyadh: 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 Samui Intl. Airport to Riyadh

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 Samui Intl. Airport to Riyadh in 2025. You can also book with separate airlines for your outbound and return journeys, from $406 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 Samui Intl. Airport to Riyadh 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 Samui Intl. Airport to Riyadh 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 Ko Samui Airport (USM) to King Khaled Intl. Airport (RUH) cost?
Snag a cheap one-way flight from $406 or cheap return flight from $765 from Ko Samui Airport (USM) to King Khaled Intl. Airport (RUH) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Ko Samui Airport (USM) to King Khaled Intl. Airport (RUH)?
Flying in September is a great way to save, as it's the cheapest month for flights between USM and RUH. You'll typically find the lowest fares during off-peak months.
What is the cheapest airline that flies from Ko Samui Airport (USM) to King Khaled Intl. Airport (RUH)?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll fly you from USM to RUH. Then, sort your results by "Price (lowest to highest)" to pick up the best deal available.
How many flights per day from Ko Samui Airport (USM) to King Khaled Intl. Airport (RUH)?
Direct flights from Ko Samui Airport (USM) to King Khaled Intl. Airport (RUH) aren't available daily, so you'll have to take a flight with a layover. Explore your options with our filter tool. Enter your travel details and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from USM to RUH?
You'll typically find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Ko Samui Airport (USM) to King Khaled Intl. Airport (RUH)?
Select a flight from Ko Samui Airport (USM) to King Khaled Intl. Airport (RUH) that leaves before 3 PM to reduce the likelihood of delays and cancellations. Departures after this hour have a 22% higher chance of being canceled, on average.**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 Ko Samui Airport (USM) to King Khaled Intl. Airport (RUH) last-minute?
Last-minute bookings from USM to RUH are usually more expensive. For the cheapest rates, start searching for flights early. That being said, if you're flexible with your travel dates, you may score a cheap ticket just before your departure.
Is it cheaper to book an USM to RUH flight and hotel package?
Opting for an USM to RUH flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our impressive range of stays and then add car rentals, flights and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Ko Samui Airport (USM) to King Khaled Intl. Airport (RUH)?
If you booked your USM to RUH 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 purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for more information.

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*Available to One Key members.