Find flights
When to book
FAQs
Thailand (ภาษาไทย)
ภาษาไทย

Cheap flights from Ko Samui to Japan from ฿8,203

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 23/4. Fares are subject to change and may not be available on all flights or dates of travel.
USM — FUK
20 Dec — 27 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ko Samui to Japan

Keep the following information in mind while searching for Ko Samui to Japan flight deals. Data was last updated 20 November 2025.

Round-trip from

฿15,822

One-way from

฿8,203
17/3-21/3
  • 17/3-21/3
  • 4 total stops
  • 49h 35m total
  • Ko Samui to Japan
Search Deals
23/4
  • 23/4
  • 1 total stop
  • 22h 50m total
  • Ko Samui to Japan
Search Deals

Find flight deals from Ko Samui to Japan

Enter your travel dates to find the best prices.

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 20 November 2025.

Thu 27/1118:15USM - NRT
2 stops23h 45mMultiple Airlines
Mon 1/1211:55NRT - USM
2 stops25h 05mMultiple Airlines
Deal found 18/11฿17,638
Thu 27/1119:10USM - NRT
1 stop13h 35mMultiple Airlines
Sun 30/1108:30NRT - USM
2 stops25h 30mMultiple Airlines
Deal found 18/11฿18,578
Thu 27/1109:20USM - HND
1 stop10h 50mMultiple Airlines
Mon 1/1208:50HND - USM
1 stop12h 45mMultiple Airlines
Deal found 18/11฿22,242
Thu 27/1108:15USM - HND
2 stops12h 30mMultiple Airlines
Sun 30/1106:30HND - USM
3 stops16h 00mMultiple Airlines
Deal found 18/11฿24,803
Thu 27/1107:55USM - HND
2 stops11h 20mCathay Pacific
Mon 1/1210:10HND - USM
1 stop11h 25mCathay Pacific
Deal found 18/11฿34,822
Thu 27/1120:45USM - HND
2 stops14h 55mJapan Airlines
Sat 29/1100:10HND - USM
1 stop10h 00mJapan Airlines
Deal found 18/11฿45,068

Cheapflights Fare Finder

 
Customise your flight search to find flights from Ko Samui to Japan that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 17,341 searches. Data last updated 20 November 2025.
Use the filters below to find and compare flights from Ko Samui to Japan that are best for you.

Fly from

Ko Samui

Fly to

Japan

Route

Depart

Return

Price

Ko SamuiTokyo

USM - NRT

USMNRT

Ko Samui

Tue 17/3

07:00-14:25

2 stops29h 25m

Tokyo Narita

Sat 21/3

13:00-07:10

2 stops20h 10m

฿15,822

Ko SamuiTokyo

USM - HND

USMHND

Ko Samui

Tue 17/3

07:00-20:50

2 stops11h 50m

Tokyo Haneda

Sat 21/3

14:30-07:10

2 stops18h 40m

฿17,541

Ko SamuiTokyo

USM - HND

USMHND

Ko Samui

Tue 17/3

07:00-17:30

1 stop8h 30m

Tokyo Haneda

Sat 21/3

20:55-08:10

2 stops13h 15m

฿28,500

Ko SamuiTokyo

USM - HND

USMHND

Ko Samui

Tue 6/1

16:30-07:00

2 stops12h 30m

Tokyo Haneda

Sat 10/1

16:35-17:00

2 stops26h 25m

฿47,013

Ko SamuiTokyo

USM - NRT

USMNRT

Ko Samui

Tue 6/1

18:30-15:05

1 stop18h 35m

Tokyo Narita

Sat 10/1

18:35-19:35

1 stop27h 00m

฿50,126

Ko SamuiTokyo

USM - NRT

USMNRT

Ko Samui

Tue 6/1

17:05-12:00

2 stops16h 55m

Tokyo Narita

Sat 10/1

13:00-07:45

2 stops20h 45m

฿67,666

Ko SamuiTokyo

USM - NRT

USMNRT

Ko Samui

Thu 23/4

19:10-20:00

1 stop22h 50m

฿8,203

Ko SamuiTokyo

USM - HND

USMHND

Ko Samui

Wed 26/11

08:15-22:40

2 stops36h 25m

฿9,078

Ko SamuiTokyo

USM - HND

USMHND

Ko Samui

Thu 12/3

08:55-22:45

2 stops35h 50m

฿9,176

Ko SamuiTokyo

USM - NRT

USMNRT

Ko Samui

Thu 12/3

08:50-20:00

2 stops33h 10m

฿9,792

Flights are sorted by cheapest return flights first.

Deals found on 18/11

Showing 1-10 of 17 results
1
2

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

Related info for your journey

Find useful and relevant information for your journey from Ko Samui to Japan. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • 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.

See more FAQs

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.
Chiang Mai to Ko Samui flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.