How long is the flight from Ko Samui to Japan?

Scoot can get you from Ko Samui to Japan in just under 10h 50m. Your travel time can differ by up to . The distance from Ko Samui to Japan is about 5002 km.

In terms of precipitation, rainfall in Japan ranges from 50.0 - 210.0 inches per month. September is typically the wettest month, when rainfall can reach 210.0 mm. January is typically the driest time to visit Japan when rainfall is around 50.0 mm.

If weather is an important factor for your trip to Japan, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 6.0 C).

What is the cheapest time of day to fly from USM to JP?

When flying from Ko Samui to Japan, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What airport do you fly from for flights from Ko Samui to Japan?

Located just 3.3 km from the city centre, Ko Samui (USM) is the airport most travellers will use when flying to Japan from Ko Samui.

Can I find deals for flights from Ko Samui to Japan that include hotel bookings?

Yes. In addition to deals on Ko Samui to Japan flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Ko Samui to Japan?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ko Samui to Japan.

Can I find deals for business class flights from Ko Samui to Japan?

Yes. Cheapflights offers flight deals from Ko Samui to Japan by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

฿9,176+ Cheap Flights from Ko Samui to Japan

Cheap flight deals from Ko Samui to Japan

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from Ko Samui to Japan
Explore the most affordable flight options available from Ko Samui to Japan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 5 October 2026.

Sun 18/1008:40 -

1 stop20h 25m

Sat 31/1008:50 -

1 stop12h 05m

Deal found 4/10฿17,582

Sun 18/1008:40 -

1 stop20h 25m

Mon 2/1108:50 -

1 stop28h 05m

Deal found 30/9฿17,649

Thu 15/1018:15 -

1 stop10h 50m

Wed 28/1008:50 -

1 stop12h 05m

Deal found 30/9฿17,682

Thu 15/1018:15 -

1 stop10h 50m

Sun 25/1008:20 -

1 stop10h 50m

Deal found 2/10฿18,318

Thu 15/1019:45 -

1 stop16h 50m

Fri 30/1011:30 -

1 stop31h 40m

Deal found 1/10฿19,926

Thu 15/1018:15 -

2 stops23h 00m

Fri 30/1020:40 -

2 stops24h 15m

Deal found 1/10฿20,763

Wed 18/1106:45 -

1 stop9h 30m

Wed 25/1107:15 -

2 stops26h 45m

Deal found 4/10฿21,600

Find flight deals from Ko Samui to Japan

Round-trip from	฿17,582
One-way from	฿9,176
Popular in	March
Cheapest in	July
Average price	฿18,486

Scoot
18/10-31/10
2 total stops
32h 30m total
Ko Samui to Japan

Search Deals

Scoot
15/11-31/12
1 total stop
17h 10m total
Ko Samui to Japan

Search Deals

Highest demand for flights based on searches. 19% potential increase in price (฿170,668 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (฿27,652 potential savings vs. average return price).

Search Deals

Average for round-trip flights in October 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Ko SamuiOsaka

USM Ko Samui - KIX Osaka Kansai Intl

USMKIX

Ko Samui

Tue 13/10

06:55-11:25

2 stops50h 30m

Osaka Kansai Intl

Wed 31/12

00:00-22:00

Nonstop0h 00m

฿10,147

Fastest return journey

Ko SamuiTokyo

USM Ko Samui - NRT Tokyo Narita

USMNRT

Ko Samui

Sat 10/10

18:15-07:05

1 stop10h 50m

Tokyo Narita

Wed 31/12

00:00-22:00

Nonstop0h 00m

฿10,683

Ko SamuiOsaka

USM Ko Samui - KIX Osaka Kansai Intl

USMKIX

Ko Samui

Sat 10/10

08:40-14:35

1 stop27h 55m

Osaka Kansai Intl

Wed 31/12

00:00-22:00

Nonstop0h 00m

฿10,750

Ko SamuiOsaka

USM Ko Samui - KIX Osaka Kansai Intl

USMKIX

Ko Samui

Sun 11/10

08:40-14:05

1 stop27h 25m

Osaka Kansai Intl

Wed 31/12

00:00-22:00

Nonstop0h 00m

฿11,018

Ko SamuiOsaka

USM Ko Samui - KIX Osaka Kansai Intl

USMKIX

Ko Samui

Mon 12/10

11:05-18:30

2 stops29h 25m

Osaka Kansai Intl

Wed 31/12

00:00-22:00

Nonstop0h 00m

฿11,252

Ko SamuiTokyo

USM Ko Samui - NRT Tokyo Narita

USMNRT

Ko Samui

Tue 13/10

08:00-14:45

2 stops28h 45m

Tokyo Narita

Wed 31/12

00:00-22:00

Nonstop0h 00m

฿11,721

Ko SamuiOsaka

USM Ko Samui - KIX Osaka Kansai Intl

USMKIX

Ko Samui

Sat 10/10

08:40-09:50

2 stops23h 10m

Osaka Kansai Intl

Wed 31/12

00:00-22:00

Nonstop0h 00m

฿11,989

Ko SamuiTokyo

USM Ko Samui - NRT Tokyo Narita

USMNRT

Ko Samui

Tue 13/10

11:05-07:05

1 stop18h 00m

Tokyo Narita

Wed 31/12

00:00-22:00

Nonstop0h 00m

฿12,290

Ko SamuiTokyo

USM Ko Samui - NRT Tokyo Narita

USMNRT

Ko Samui

Wed 6/1

18:05-07:10

1 stop11h 05m

Tokyo Narita

Wed 31/12

00:00-22:00

Nonstop0h 00m

฿12,290

Ko SamuiTokyo

USM Ko Samui - NRT Tokyo Narita

USMNRT

Ko Samui

Wed 20/1

18:05-18:30

2 stops22h 25m

Tokyo Narita

Wed 31/12

00:00-22:00

Nonstop0h 00m

฿12,357

Flights are sorted by cheapest return flights first.

Deals found on 30/9

Showing 1-10 of 26 resultsSorted by cheapest first

Best time to book a flight from Ko Samui to Japan

Have a flexible travel schedule? Discover the best time to fly to Japan from Ko Samui with our price prediction graph.

USM-NRT

USM-KIX

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Ko Samui to Japan

USM-JP0

USM-NRT

USM-KIX

No data available for this route at this time. Please check back soon.

Related info for your journey

What airport do you fly from for flights from Ko Samui to Japan?
Located just 3.3 km from the city centre, Ko Samui (USM) is the airport most travellers will use when flying to Japan from Ko Samui.
How long is the flight from Ko Samui to Japan?
Scoot can get you from Ko Samui to Japan in just under 10h 50m. Your travel time can differ by up to . The distance from Ko Samui to Japan is about 5002 km.
Can I find deals for flights from Ko Samui to Japan that include hotel bookings?
Yes. In addition to deals on Ko Samui to Japan flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Ko Samui to Japan?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ko Samui to Japan.
Can I find deals for business class flights from Ko Samui to Japan?
Yes. Cheapflights offers flight deals from Ko Samui to Japan by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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How does Cheapflights help users find flights from Ko Samui to Japan?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Ko Samui to Japan. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Ko Samui to Japan?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Japan from Ko Samui.

Can Cheapflights find flights from Ko Samui to Japan with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Ko Samui to Japan, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Ko Samui to Japan become cheaper?

Of course! You can now track prices for flights from Ko Samui to Japan and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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Cheap flights from Ko Samui to Japan from ฿9,176

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 15/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Ko Samui to Japan

Cheapest flights from Ko Samui to JapanExplore the most affordable flight options available from Ko Samui to Japan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 5 October 2026.

Explore the most affordable flight options available from Ko Samui to Japan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 5 October 2026.

Best flights from Ko Samui to JapanDiscover carefully curated flight deals from Ko Samui to Japan that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 5 October 2026.

Discover carefully curated flight deals from Ko Samui to Japan that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 5 October 2026.

Last-minute flights from Ko Samui to JapanDiscover last-minute flight deals from Ko Samui to Japan. Data last updated 5 October 2026 and is based on user searches.

Discover last-minute flight deals from Ko Samui to Japan. Data last updated 5 October 2026 and is based on user searches.

One-way flights from Ko Samui to JapanSearch for one-way flight options from Ko Samui to Japan. Find affordable one-way fares based on user searches. Data last updated 5 October 2026.

Search for one-way flight options from Ko Samui to Japan. Find affordable one-way fares based on user searches. Data last updated 5 October 2026.

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Best time to book a flight from Ko Samui to Japan

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Related info for your journey

What airport do you fly from for flights from Ko Samui to Japan?

How long is the flight from Ko Samui to Japan?

Can I find deals for flights from Ko Samui to Japan that include hotel bookings?

How can I find direct flights from Ko Samui to Japan?

Can I find deals for business class flights from Ko Samui to Japan?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ko Samui to Japan

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Japan by adding a car rental and/or hotel reservation to your travel itinerary.

Direct flights to

Book a non-stop flight to one of these other cities located in .

Search flights from Ko Samui to Japan by cabin class

Find flights from Ko Samui to Japan, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Ko Samui and Japan flights

Browse other Ko Samui and Japan flight options. Last updated on 5 October 2026.

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How does Cheapflights help users find flights from Ko Samui to Japan?

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Can Cheapflights notify me if prices for flights from Ko Samui to Japan become cheaper?

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Cheapest flights from Ko Samui to Japan
Explore the most affordable flight options available from Ko Samui to Japan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 5 October 2026.

Best flights from Ko Samui to Japan
Discover carefully curated flight deals from Ko Samui to Japan that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 5 October 2026.

Last-minute flights from Ko Samui to Japan
Discover last-minute flight deals from Ko Samui to Japan. Data last updated 5 October 2026 and is based on user searches.

One-way flights from Ko Samui to Japan
Search for one-way flight options from Ko Samui to Japan. Find affordable one-way fares based on user searches. Data last updated 5 October 2026.