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Cheap flights from Ko Samui to Japan from ฿8,966

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 29/1. Fares are subject to change and may not be available on all flights or dates of travel.
USM — FUK
17 Jan — 24 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap 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 18 December 2025.

Fri 19/1217:25USM - NRT
1 stop12h 50mMultiple Airlines
Mon 22/1207:00NRT - USM
2 stops27h 00mMultiple Airlines
Deal found 16/12฿22,243
Fri 19/1209:20USM - HND
1 stop10h 50mMultiple Airlines
Sun 21/1200:05HND - USM
1 stop9h 45mMultiple Airlines
Deal found 16/12฿35,331
Mon 22/1207:55USM - HND
2 stops10h 55mMultiple Airlines
Mon 22/1223:55HND - USM
1 stop21h 40mMultiple Airlines
Deal found 16/12฿39,043
Fri 19/1219:45USM - NRT
2 stops12h 55mScoot
Mon 22/1211:55NRT - USM
2 stops22h 05mScoot
Deal found 16/12฿47,254

Find 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 18 December 2025.

Round-trip from

฿16,391

One-way from

฿8,966
30/1-5/2
  • 30/1-5/2
  • 2 total stops
  • 34h 50m total
  • Ko Samui to Japan
Search Deals
29/1
  • 29/1
  • 2 total stops
  • 33h 45m total
  • Ko Samui to Japan
Search Deals

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 18 December 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 - HND

USMHND

Ko Samui

Fri 30/1

11:40-04:55

1 stop15h 15m

Tokyo Haneda

Thu 5/2

02:00-19:35

1 stop19h 35m

฿16,391

Ko SamuiTokyo

USM - NRT

USMNRT

Ko Samui

Fri 30/1

08:15-19:20

2 stops33h 05m

Tokyo Narita

Fri 6/2

15:25-17:30

2 stops28h 05m

฿18,688

Ko SamuiTokyo

USM - NRT

USMNRT

Ko Samui

Sat 21/2

08:55-13:10

1 stop26h 15m

Tokyo Narita

Sat 14/3

19:00-07:10

2 stops38h 10m

฿19,223

Ko SamuiTokyo

USM - NRT

USMNRT

Ko Samui

Fri 30/1

08:55-07:10

1 stop20h 15m

Tokyo Narita

Fri 6/2

08:50-18:50

1 stop12h 00m

฿19,946

Ko SamuiTokyo

USM - NRT

USMNRT

Ko Samui

Sat 21/2

08:55-07:10

1 stop20h 15m

Tokyo Narita

Sat 14/3

08:50-18:50

1 stop12h 00m

฿20,513

Ko SamuiTokyo

USM - HND

USMHND

Ko Samui

Sat 21/2

08:30-22:10

1 stop11h 40m

Tokyo Haneda

Fri 13/3

02:00-19:35

1 stop19h 35m

฿21,016

Ko SamuiTokyo

USM - HND

USMHND

Ko Samui

Fri 16/1

10:00-22:10

1 stop10h 10m

Tokyo Haneda

Thu 22/1

02:00-19:35

1 stop19h 35m

฿21,834

Ko SamuiTokyo

USM - NRT

USMNRT

Ko Samui

Sun 17/5

19:10-12:25

2 stops15h 15m

Tokyo Narita

Thu 21/5

13:25-07:10

2 stops19h 45m

฿22,841

Ko SamuiTokyo

USM - NRT

USMNRT

Ko Samui

Fri 16/1

14:05-14:30

2 stops22h 25m

Tokyo Narita

Fri 23/1

08:50-18:50

1 stop12h 00m

฿23,438

Ko SamuiTokyo

USM - NRT

USMNRT

Ko Samui

Sun 17/5

08:45-06:40

1 stop19h 55m

Tokyo Narita

Thu 21/5

08:15-18:50

1 stop12h 35m

฿27,717

Flights are sorted by cheapest return flights first.

Deals found on 16/12

Showing 1-10 of 30 results
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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.

  • How long is the flight from Ko Samui to Japan?

    Scoot can get you from Ko Samui to Japan in just under 20h 15m. 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.

See more FAQs

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Alternative routes for Ko Samui to Japan

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Fly with Cheapflights

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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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