$399 Cheap Flights from Samui Intl. Airport (USM) to Medan (KNO)

View $399 flight on Mon, Oct 20, 2025Opens in a new window

Popular airlines from Samui Intl. Airport (USM) to Medan (KNO-Kuala Namu Intl.)

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Cheap Flights from Samui Intl. Airport to Medan (USM-KNO)

Prices were available within the past 7 days and start at $399 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flights from Samui Intl. Airport (USM) to Medan (KNO)
Origin airport
Samui Intl. Airport
Destination airport
Kuala Namu Intl.
Distance
416 mi

Samui Intl. Airport to Medan Flights

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

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

 

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

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

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 Medan in 2025. You can also book with separate airlines for your outbound and return journeys, from $399 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 Medan 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 Medan 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 Kuala Namu Intl. Airport (KNO) cost?
Grab a cheap one-way flight from $399 or cheap return flight from Ko Samui Airport (USM) to Kuala Namu Intl. Airport (KNO) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Ko Samui Airport (USM) to Kuala Namu Intl. Airport (KNO)?
is the cheapest month to fly from USM to KNO. Traveling during quieter months is often the key to landing a great deal.
What is the cheapest airline that flies from Ko Samui Airport (USM) to Kuala Namu Intl. Airport (KNO)?
Use the filters on Expedia to compare different airlines and find the most affordable carrier that'll take you from USM to KNO. Then, sort your results by "Price (lowest to highest)" to snap up a good deal.
How many flights per day from Ko Samui Airport (USM) to Kuala Namu Intl. Airport (KNO)?
You'll need to book a flight with a layover if you're traveling from Ko Samui Airport (USM) to Kuala Namu Intl. Airport (KNO). Direct flights don't operate daily on this route. However, just filter your search to include one or more stops to find an option that works for you.
What day of the week has the most flights from USM to KNO?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Just remember that flight schedules can vary based on various 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 Ko Samui Airport (USM) to Kuala Namu Intl. Airport (KNO)?
Select a flight from Ko Samui Airport (USM) to Kuala Namu Intl. Airport (KNO) that takes off before 3 PM to reduce the risk of cancellations and delays. 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 Kuala Namu Intl. Airport (KNO) last-minute?
Last-minute bookings from USM to KNO are typically more expensive. For the cheapest rates, start looking for flights well ahead of time. That said, if your travel plans are flexible, you may land a cheap ticket right before your journey.
Is it cheaper to book an USM to KNO flight and hotel package?
Securing an USM to KNO flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our wide range of hotels and then add car rentals, flights 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 Ko Samui Airport (USM) to Kuala Namu Intl. Airport (KNO)?
Usually, it's possible to reschedule or cancel your USM to KNO flight. However, if it's been more than 24 hours since booking, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find more information on our Customer Service portal.

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