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Cheap flights from Ko Samui to Japan from ฿8,460

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 11/3. Fares are subject to change and may not be available on all flights or dates of travel.
USM — FUK
5 Dec — 12 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 5 November 2025.

Round-trip from

฿18,189

One-way from

฿8,460
14/11-20/11
  • 14/11-20/11
  • 4 total stops
  • 60h 25m total
  • Ko Samui to Japan
Search Deals
11/3
  • 11/3
  • 2 total stops
  • 13h 45m 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 5 November 2025.

Fri 14/1112:30USM - HND
2 stops32h 10mMultiple Airlines
Thu 20/1105:45HND - USM
2 stops28h 15mMultiple Airlines
Deal found 3/11฿18,189
Fri 14/1106:45USM - NRT
1 stop11h 15mMultiple Airlines
Thu 20/1114:00NRT - USM
3 stops32h 15mMultiple Airlines
Deal found 3/11฿18,807
Thu 18/1206:45USM - NRT
1 stop11h 15mMultiple Airlines
Mon 5/115:20NRT - USM
2 stops41h 50mMultiple Airlines
Deal found 3/11฿19,198
Wed 17/1206:45USM - NRT
1 stop11h 15mMultiple Airlines
Mon 5/114:30NRT - USM
1 stop19h 15mMultiple Airlines
Deal found 3/11฿21,605
Wed 17/1206:45USM - NRT
1 stop11h 15mMultiple Airlines
Fri 2/120:40NRT - USM
2 stops23h 45mMultiple Airlines
Deal found 4/11฿22,191
Tue 23/1206:45USM - NRT
1 stop11h 15mMultiple Airlines
Fri 2/120:40NRT - USM
2 stops26h 10mMultiple Airlines
Deal found 4/11฿22,289
Fri 19/1206:45USM - NRT
1 stop11h 15mMultiple Airlines
Fri 2/120:40NRT - USM
2 stops26h 10mMultiple Airlines
Deal found 4/11฿22,451
Sun 21/1206:45USM - NRT
1 stop11h 15mMultiple Airlines
Fri 2/120:40NRT - USM
2 stops26h 10mMultiple Airlines
Deal found 4/11฿23,460
Mon 22/1206:45USM - NRT
1 stop11h 15mMultiple Airlines
Fri 2/120:40NRT - USM
2 stops23h 45mMultiple Airlines
Deal found 4/11฿23,655
Thu 18/1209:20USM - HND
1 stop10h 50mMultiple Airlines
Sun 4/102:00HND - USM
1 stop19h 35mMultiple Airlines
Deal found 3/11฿24,664
Thu 18/1207:55USM - HND
2 stops10h 55mMultiple Airlines
Thu 25/1216:40HND - USM
3 stops29h 05mMultiple Airlines
Deal found 3/11฿26,942

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 5 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 - HND

USMHND

Ko Samui

Fri 14/11

12:30-22:40

2 stops32h 10m

Tokyo Haneda

Thu 20/11

05:45-08:00

2 stops28h 15m

฿18,189

Ko SamuiTokyo

USM - NRT

USMNRT

Ko Samui

Wed 8/4

08:45-06:40

1 stop19h 55m

Tokyo Narita

Wed 22/4

08:15-07:50

1 stop25h 35m

฿18,612

Ko SamuiTokyo

USM - NRT

USMNRT

Ko Samui

Wed 17/12

06:45-20:00

1 stop11h 15m

Tokyo Narita

Mon 5/1

15:20-07:10

2 stops41h 50m

฿18,807

Ko SamuiTokyo

USM - NRT

USMNRT

Ko Samui

Fri 19/12

06:45-20:00

1 stop11h 15m

Tokyo Narita

Mon 5/1

15:20-07:10

2 stops41h 50m

฿18,807

Ko SamuiTokyo

USM - NRT

USMNRT

Ko Samui

Fri 14/11

06:45-20:00

1 stop11h 15m

Tokyo Narita

Thu 20/11

14:00-20:15

3 stops32h 15m

฿18,807

Ko SamuiTokyo

USM - NRT

USMNRT

Ko Samui

Thu 18/12

06:45-20:00

1 stop11h 15m

Tokyo Narita

Mon 5/1

15:20-07:10

2 stops41h 50m

฿19,198

Ko SamuiTokyo

USM - NRT

USMNRT

Ko Samui

Wed 8/4

08:45-07:55

2 stops21h 10m

Tokyo Narita

Wed 22/4

21:15-08:35

1 stop13h 20m

฿20,336

Ko SamuiTokyo

USM - HND

USMHND

Ko Samui

Wed 8/4

08:45-01:00

1 stop14h 15m

Tokyo Haneda

Tue 21/4

02:15-16:45

1 stop16h 30m

฿22,321

Ko SamuiTokyo

USM - NRT

USMNRT

Ko Samui

Fri 19/12

06:45-20:00

1 stop11h 15m

Tokyo Narita

Fri 2/1

20:40-20:50

2 stops26h 10m

฿22,451

Ko SamuiTokyo

USM - NRT

USMNRT

Ko Samui

Mon 22/12

06:45-20:00

1 stop11h 15m

Tokyo Narita

Fri 2/1

20:40-18:25

2 stops23h 45m

฿23,655

Flights are sorted by cheapest return flights first.

Deals found on 3/11

Showing 1-10 of 28 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 19h 55m. 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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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?

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