$674 Cheap Flights from Osaka (ITM) to Samui Intl. Airport (USM)

View $674 flight on Wed, Sep 16, 2026Opens in a new window

Popular airlines from Itami Airport (ITM) to Samui Intl. Airport (USM)

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

Prices were available within the past 7 days and start at $674 for one-way flights and $1,059 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

All Nippon Airways
Mon, Apr 27 - Mon, May 4
ITM
Osaka
USM
Koh Samui
$1,059 Roundtrip, found 1 day ago
$1,059
Roundtrip
found 1 day ago
Select All Nippon Airways flight, departing Mon, Apr 27 from Osaka to Koh Samui, returning Mon, May 4, priced at $1,059 found 1 day ago
All Nippon Airways
Tue, Dec 29 - Fri, Jan 1
ITM
Osaka
USM
Koh Samui
$1,063 Roundtrip, found 5 days ago
$1,063
Roundtrip
found 5 days ago
Select All Nippon Airways flight, departing Tue, Dec 29 from Osaka to Koh Samui, returning Fri, Jan 1, priced at $1,063 found 5 days ago
All Nippon Airways
Mon, Apr 27 - Mon, May 4
ITM
Osaka
USM
Koh Samui
$1,101 Roundtrip, found 1 day ago
$1,101
Roundtrip
found 1 day ago
Select All Nippon Airways flight, departing Mon, Apr 27 from Osaka to Koh Samui, returning Mon, May 4, priced at $1,101 found 1 day ago
All Nippon Airways
Tue, Dec 29 - Fri, Jan 1
ITM
Osaka
USM
Koh Samui
$1,105 Roundtrip, found 5 days ago
$1,105
Roundtrip
found 5 days ago
Select All Nippon Airways flight, departing Tue, Dec 29 from Osaka to Koh Samui, returning Fri, Jan 1, priced at $1,105 found 5 days ago
All Nippon Airways
Mon, Apr 27 - Mon, May 4
ITM
Osaka
USM
Koh Samui
$1,123 Roundtrip, found 1 day ago
$1,123
Roundtrip
found 1 day ago
Select All Nippon Airways flight, departing Mon, Apr 27 from Osaka to Koh Samui, returning Mon, May 4, priced at $1,123 found 1 day ago
All Nippon Airways
Tue, Dec 29 - Fri, Jan 1
ITM
Osaka
USM
Koh Samui
$1,128 Roundtrip, found 5 days ago
$1,128
Roundtrip
found 5 days ago
Select All Nippon Airways flight, departing Tue, Dec 29 from Osaka to Koh Samui, returning Fri, Jan 1, priced at $1,128 found 5 days ago
All Nippon Airways
Mon, Apr 27 - Mon, May 4
ITM
Osaka
USM
Koh Samui
$1,143 Roundtrip, found 1 day ago
$1,143
Roundtrip
found 1 day ago
Select All Nippon Airways flight, departing Mon, Apr 27 from Osaka to Koh Samui, returning Mon, May 4, priced at $1,143 found 1 day ago
All Nippon Airways
Mon, Apr 27 - Mon, May 4
ITM
Osaka
USM
Koh Samui
$1,165 Roundtrip, found 1 day ago
$1,165
Roundtrip
found 1 day ago
Select All Nippon Airways flight, departing Mon, Apr 27 from Osaka to Koh Samui, returning Mon, May 4, priced at $1,165 found 1 day ago
All Nippon Airways
Tue, Dec 29 - Fri, Jan 1
ITM
Osaka
USM
Koh Samui
$1,170 Roundtrip, found 5 days ago
$1,170
Roundtrip
found 5 days ago
Select All Nippon Airways flight, departing Tue, Dec 29 from Osaka to Koh Samui, returning Fri, Jan 1, priced at $1,170 found 5 days ago
All Nippon Airways
Sun, Apr 12 - Sun, Apr 19
ITM
Osaka
USM
Koh Samui
$1,194 Roundtrip, found 1 day ago
$1,194
Roundtrip
found 1 day ago
Select All Nippon Airways flight, departing Sun, Apr 12 from Osaka to Koh Samui, returning Sun, Apr 19, priced at $1,194 found 1 day ago

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Frequently asked questions

How much does a flight from Itami Airport (ITM) to Ko Samui Airport (USM) cost?
Grab a cheap one-way flight from $674 or cheap return flight from $1,059 from Itami Airport (ITM) to Ko Samui Airport (USM) 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 Itami Airport (ITM) to Ko Samui Airport (USM)?
Flying in April may help you find better deals, as it's the cheapest month for flights between ITM and USM. You'll typically find the lowest fares during the off-season.
What is the cheapest airline that flies from Itami Airport (ITM) to Ko Samui Airport (USM)?
Use the filter tool on Expedia to compare airlines and find the most affordable carrier that'll fly you from ITM to USM. Then, sort your results by "Price (lowest to highest)" to pick up the best deal available.
How many flights per day from Itami Airport (ITM) to Ko Samui Airport (USM)?
Nonstop flights from Itami Airport (ITM) to Ko Samui Airport (USM) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel dates and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from ITM to USM?
Usually you'll find the greatest selection of flight options on a Friday. Tuesdays are often the quietest.* However, this can vary based on the airline, time of year 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 Itami Airport (ITM) to Ko Samui Airport (USM)?
To avoid possible delays on the Itami Airport (ITM) to Ko Samui Airport (USM) route, travel before 3 PM. Flights after this time have a 22% higher chance of being 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 Itami Airport (ITM) to Ko Samui Airport (USM) last-minute?
Last-minute bookings from ITM to USM are usually more expensive. To lock in the lowest prices, start searching for flights well in advance. That said, if you're flexible with your travel dates, you may find a cheap ticket right before your journey.
Is it cheaper to book an ITM to USM flight and hotel package?
You can save money by booking an ITM 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 easy to manage everything in one convenient place. After selecting your ideal accommodations and flights, consider adding extras including tours, activities and car rentals.
Can I cancel or change the date of my flight from Itami Airport (ITM) to Ko Samui Airport (USM)?
If you reserved your ITM to USM flight in the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the type of ticket you have, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Itami
Destination airport
Samui Intl. Airport
Roundtrip price
$1,058
Distance
2831 mi

Book with confidence

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 April. 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 2026. You can also book with separate airlines for your outbound and return journeys, from $674 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.

 

Osaka to Samui Intl. Airport Flights

*Flight schedules are subject to change.

*Available to One Key members.