$230 Cheap Flights from Osaka (KIX) to Samui Intl. Airport (USM)

View $230 flight on Wed, Oct 8, 2025Opens in a new window

Popular airlines from Kansai Intl. Airport (KIX) to Samui Intl. Airport (USM)

Cheap Flights from Osaka to Samui Intl. Airport (KIX-USM)

Prices were available within the past 7 days and start at $230 for one-way flights and $502 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Singapore Airlines
Tue, Jan 13 - Wed, Jan 21
KIX
Osaka
USM
Koh Samui
$502 Roundtrip, found 2 days ago
$502
Roundtrip
found 2 days ago
Select Singapore Airlines flight, departing Tue, Jan 13 from Osaka to Koh Samui, returning Wed, Jan 21, priced at $502 found 2 days ago
Scoot
Fri, Jan 23 - Tue, Jan 27
KIX
Osaka
USM
Koh Samui
$505 Roundtrip, found 4 hours ago
$505
Roundtrip
found 4 hours ago
Select Scoot flight, departing Fri, Jan 23 from Osaka to Koh Samui, returning Tue, Jan 27, priced at $505 found 4 hours ago
Scoot
Fri, Jan 23 - Tue, Jan 27
KIX
Osaka
USM
Koh Samui
$513 Roundtrip, found 4 hours ago
$513
Roundtrip
found 4 hours ago
Select Scoot flight, departing Fri, Jan 23 from Osaka to Koh Samui, returning Tue, Jan 27, priced at $513 found 4 hours ago
Scoot
Wed, Oct 15 - Wed, Oct 22
KIX
Osaka
USM
Koh Samui
$519 Roundtrip, found 2 days ago
$519
Roundtrip
found 2 days ago
Select Scoot flight, departing Wed, Oct 15 from Osaka to Koh Samui, returning Wed, Oct 22, priced at $519 found 2 days ago
Singapore Airlines
Tue, Jan 13 - Wed, Jan 21
KIX
Osaka
USM
Koh Samui
$521 Roundtrip, found 2 days ago
$521
Roundtrip
found 2 days ago
Select Singapore Airlines flight, departing Tue, Jan 13 from Osaka to Koh Samui, returning Wed, Jan 21, priced at $521 found 2 days ago
Scoot
Fri, Jan 23 - Tue, Jan 27
KIX
Osaka
USM
Koh Samui
$525 Roundtrip, found 4 hours ago
$525
Roundtrip
found 4 hours ago
Select Scoot flight, departing Fri, Jan 23 from Osaka to Koh Samui, returning Tue, Jan 27, priced at $525 found 4 hours ago
Singapore Airlines
Tue, Jan 13 - Wed, Jan 21
KIX
Osaka
USM
Koh Samui
$527 Roundtrip, found 2 days ago
$527
Roundtrip
found 2 days ago
Select Singapore Airlines flight, departing Tue, Jan 13 from Osaka to Koh Samui, returning Wed, Jan 21, priced at $527 found 2 days ago
EVA Airways
Thu, Dec 11 - Mon, Dec 15
KIX
Osaka
USM
Koh Samui
$679 Roundtrip, found 1 day ago
$679
Roundtrip
found 1 day ago
Select EVA Airways flight, departing Thu, Dec 11 from Osaka to Koh Samui, returning Mon, Dec 15, priced at $679 found 1 day ago
Thai Airways International
Wed, Oct 8 - Fri, Nov 14
KIX
Osaka
USM
Koh Samui
$970 Roundtrip, found 4 days ago
$970
Roundtrip
found 4 days ago
Select Thai Airways International flight, departing Wed, Oct 8 from Osaka to Koh Samui, returning Fri, Nov 14, priced at $970 found 4 days ago
Japan Airlines
Tue, Jan 13 - Wed, Jan 21
KIX
Osaka
USM
Koh Samui
$1,016 Roundtrip, found 2 days ago
$1,016
Roundtrip
found 2 days ago
Select Japan Airlines flight, departing Tue, Jan 13 from Osaka to Koh Samui, returning Wed, Jan 21, priced at $1,016 found 2 days ago

Find the cheapest month to fly from Osaka (KIX) to Koh Samui (USM)

May is typically the cheapest month to fly

From $423 - $708 per traveler.
Flights from Osaka (KIX) to Samui Intl. Airport (USM)
Origin airport
Kansai Intl.
Destination airport
Samui Intl. Airport
Roundtrip price
$502
Distance
2809 mi

Osaka to Samui Intl. Airport Flights

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

 

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

Sunday is one of the best days to book for cheap flights from Osaka 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 Osaka 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 Osaka to Samui Intl. Airport in 2025. You can also book with separate airlines for your outbound and return journeys, from $230 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 Osaka 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 Osaka 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 Kansai Intl. Airport (KIX) to Ko Samui Airport (USM) cost?
Get a cheap one-way flight from $230 or cheap return flight from $502 from Kansai Intl. Airport (KIX) 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 Kansai Intl. Airport (KIX) to Ko Samui Airport (USM)?
January is the most affordable month to fly from KIX to USM. Planning your trip for the off-season is often the key to finding a great deal.
What is the cheapest airline that flies from Kansai Intl. Airport (KIX) to Ko Samui Airport (USM)?
Use the filters on Expedia to compare different airlines and find the cheapest carrier that'll fly you from KIX to USM. Then, sort your results by "Price (lowest to highest)" to snag a good deal.
How many flights per day from Kansai Intl. Airport (KIX) to Ko Samui Airport (USM)?
Nonstop flights from Kansai Intl. Airport (KIX) to Ko Samui Airport (USM) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel details and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from KIX to USM?
Usually you'll find the widest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* But this can vary depending on the time of year, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Kansai Intl. Airport (KIX) to Ko Samui Airport (USM)?
To arrive at Ko Samui Airport (USM) on schedule, pick a flight that takes off from Kansai Intl. Airport (KIX) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**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 Kansai Intl. Airport (KIX) to Ko Samui Airport (USM) last-minute?
Holding off until just before your trip to book a ticket from KIX to USM often results in higher prices. Although you may find some last-minute offers, there's no guarantee. Keep your travel schedule open for a better chance of snagging a bargain.
Is it cheaper to book a KIX to USM flight and hotel package?
Booking a KIX to USM flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip all in one place. Select from our impressive range of accommodations 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 Kansai Intl. Airport (KIX) to Ko Samui Airport (USM)?
Usually, it's possible to cancel or reschedule your KIX to USM flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Check 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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*Available to One Key members.