Are direct flights from Osaka to Ko Samui always the best option?

Direct flights offer convenience by minimizing travel time and avoiding layovers. However, connecting flights can often be more affordable, especially if you are willing to spend extra time in transit. The 'best' option depends on your priorities for cost versus convenience.

Can flexible travel dates help on Osaka to Ko Samui flights?

Yes, being flexible with your travel dates can significantly impact flight prices. Flying on weekdays or during off-peak seasons often results in lower fares compared to weekends or popular holiday periods. Adjusting your departure or return by a few days may yield better deals.

What extra costs should I check before booking Osaka to Ko Samui flights?

Before booking, always check for potential extra costs such as baggage fees, seat selection charges, and in-flight services. Some airlines may also charge for printing boarding passes at the airport. Understanding these additional expenses helps you calculate the true total cost of your journey.

Flights From Osaka

To Ko Samui

Cheap Flights from Osaka to Ko Samui

Browse current best options from Osaka. Become a member to unlock all deals and get alerts when new deals appear.

Deals from

Osaka

RatePunk searches hundreds of travel sites at once for deals on flights to Ko Samui

Prices updated 2 days ago

405 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Jul 26, 2026.)

Today’s best flight deals from Osaka to Ko Samui

Explore current cheapest deals departing from Osaka to Ko Samui

2026-09-23 – 2026-09-30
OSA - Ko Samui
75% AI deal score
¥90,737
¥83,626
Round trip
2026-09-13 – 2026-09-18
OSA - Ko Samui
74% AI deal score
¥92,524
¥83,626
Round trip
2026-09-02 – 2026-09-09
OSA - Ko Samui
78% AI deal score
¥90,327
¥84,600
Round trip
2026-09-01 – 2026-09-09
OSA - Ko Samui
77% AI deal score
¥87,169
¥84,600
Round trip
2026-09-07 – 2026-09-19
OSA - Ko Samui
73% AI deal score
¥83,838
¥86,386
Round trip
2026-09-08 – 2026-09-19
OSA - Ko Samui
73% AI deal score
¥84,127
¥86,549
Round trip
2026-09-07 – 2026-09-18
OSA - Ko Samui
73% AI deal score
¥84,315
¥86,711
Round trip
2026-09-08 – 2026-09-18
OSA - Ko Samui
73% AI deal score
¥85,152
¥86,873
Round trip
2026-10-06 – 2026-10-24
OSA - Ko Samui
73% AI deal score
¥80,045
¥86,873
Round trip
2026-10-04 – 2026-10-24
OSA - Ko Samui
73% AI deal score
¥79,459
¥87,036
Round trip

Osaka to Ko Samui: Overview

Insights for flights from Osaka to Ko Samui

The journey from Osaka to Ko Samui covers a significant distance of 4521 km, classifying it as a long-haul route. This means you should anticipate a substantial travel time, often involving multiple connections to reach your destination.

For travelers seeking cheap flights from Osaka to Ko Samui, fares typically range from $585–$627, with a median price of $605. Right now, current fares are significantly below the typical level for this route. Only 4% of recent fares were classified as a good price, indicating that finding exceptionally low prices can be challenging.

The cheapest time to fly from Osaka to Ko Samui is often in September, with a median fare of $229. Other affordable months include October, where the median fare is $237, and April, with a median fare of $260. Planning your trip during these months could lead to more favorable pricing.

There are no direct flights from Osaka to Ko Samui; most itineraries connect at least once. In fact, 0% of recent fares were non-stop, and connecting itineraries typically involve 2 stopovers. This means you should factor in additional travel time and potential layovers when planning your journey.

A typical journey from Osaka to Ko Samui takes approximately 24h 0m, including connections. This duration reflects the long-haul nature of the route and the necessity of connecting flights. New deals for this route show up several times a week, so setting up a price alert could be beneficial for tracking fare changes.

How much is a round trip from Osaka to Ko Samui

Regular price: ¥76,487 - ¥155,370

Prices for flights from Osaka to Ko Samui are currently within the regular range.

Regular prices for flights from Osaka to Ko Samui typically range from 76,487 JPY to 155,370 JPY. The current lowest deal is 81,759 JPY with Thai AirAsia X, for travel from Sep 13-Sep 18.

now ¥81,759

Low ¥76,487

High ¥155,370

The cheapest time to fly from Osaka to Ko Samui

The cheapest month to fly from Osaka to Koh Samui is September, with a median price of $229. The most expensive month is July, with a median price of $617. Prices are generally lower from January to December.

September

Cheapest

Flights from ¥229

July

Most Expensive

Flights from ¥617

Jan

Feb

Mar

Apr

May

Jun

Jul

Sep

Oct

Dec

Direct flights from Osaka to Ko Samui

Singapore Airlines

Bangkok Airways

Scoot

MyTravel Airways

Last-minute flights going from Osaka to Ko Samui

Sat, Aug 22

⌛ Last-Minute

KIX - Ko Samui

Osaka (KIX) - Ko Samui (USM)

Scoot

¥104,532

¥97,473

One-way

Mon, Aug 24

⌛ Last-Minute

KIX - Ko Samui

Osaka (KIX) - Ko Samui (USM)

SAM Colombia

¥104,449

¥110,906

One-way

Mon, Aug 24

⌛ Last-Minute

KIX - Ko Samui

Osaka (KIX) - Ko Samui (USM)

Singapore Airlines

¥104,532

¥116,804

One-way

Wed, Aug 26

⌛ Last-Minute

KIX - Ko Samui

Osaka (KIX) - Ko Samui (USM)

SAM Colombia

¥105,549

¥101,568

One-way

Wed, Aug 26

⌛ Last-Minute

KIX - Ko Samui

Osaka (KIX) - Ko Samui (USM)

SAM Colombia

¥104,499

¥107,630

One-way

Wed, Aug 26

⌛ Last-Minute

KIX - Ko Samui

Osaka (KIX) - Ko Samui (USM)

SAM Colombia

¥104,416

¥112,872

One-way

Biggest price drops on these dates for flights from Osaka to Ko Samui

6 nights

Dec 9 - Dec 15

¥111,034 → ¥92,394

17%

7 nights

Dec 8 - Dec 15

¥109,593 → ¥92,394

16%

3 nights

Dec 12 - Dec 15

¥111,666 → ¥96,326

14%

4 nights

Sep 14 - Sep 18

¥94,817 → ¥81,419

14%

Popular Airports to fly from Osaka to Ko Samui

Osaka - Ko Samui route insights

💸 Price insights

Recent fares are below the typical level

Recent fares from Osaka to Ko Samui are below the typical level at ¥81759.

📅 Best time to fly

Fly in September for the best prices

Historically, September is the cheapest month to fly, with a median price of $229.

⏱️ Flight duration

Expect a long-haul flight

Flights to Ko Samui typically take 24h 0m, with 2 stopovers on connecting flights.

✈️ Airlines & availability

Connecting flights only

There are no direct flights. Consider routes with 2 stopovers for this long-haul journey.

🏆 Airline highlight

Thai AirAsia X offers a recent deal

A recent deal from Thai AirAsia X was found for ¥81759, departing September 13.

🎯 Booking tip

Deals appear regularly

Deals for flights from Osaka to Ko Samui appear regularly, about every 30 days.

Osaka main airports to depart from

Kansai International (KIX)

Cheapest

Kansai International Airport (KIX) offers flights to Ko Samui, with prices from $452.

📍 ~40 km from Osaka (reachable by car or train)

💸 Flights from ~$452

Itami (ITM)

Itami Airport (ITM) offers flights to Ko Samui, with prices from $656.

📍 ~15 km from Osaka (reachable by car or train)

💸 Flights from ~$656

Ko Samui main airports to arrive at

Samui (USM)

Cheapest

Samui Airport is a good choice for direct access to Ko Samui from Osaka.

📍 ~5 km from city center (reachable by car)

💸 Flights from ~$452

Airports nearby Ko Samui used as alternative

Surat Thani International (URT)

Surat Thani International (URT) is a practical alternative, often offering significantly lower flight prices to Ko Samui.

📍 ~100 km from Ko Samui (requires a ferry crossing and bus transfer, approx. 3-4 hours total).

💸 Flights from ~$409

Business & First Class Flight Deals to Ko Samui

90% AI deal score

$2,678

$1,690

Save $988

Frequently Asked Questions About Flights to Ko Samui

To find more affordable flights, consider being flexible with your travel dates and times. Comparing prices across different airlines and booking sites can also help uncover better deals. Setting up price alerts may notify you when fares drop for your desired route.

Booking flights in advance often provides more options and potentially better prices. However, last-minute deals can sometimes appear, especially during off-peak seasons. It's usually a good idea to monitor fare trends for your specific travel period.

Comparing nearby airports can sometimes reveal more economical flight options or different schedules. While it may add to your ground travel, the potential savings could be significant. Always factor in the additional transportation time and cost when considering this approach.

Osaka to Ko Samui: Overview

Insights for flights from Osaka to Ko Samui

How much is a round trip from Osaka to Ko Samui

Regular price: ¥76,487 - ¥155,370

Prices for flights from Osaka to Ko Samui are currently within the regular range.

Regular prices for flights from Osaka to Ko Samui typically range from 76,487 JPY to 155,370 JPY. The current lowest deal is 81,759 JPY with Thai AirAsia X, for travel from Sep 13-Sep 18.

now ¥81,759

Low ¥76,487

High ¥155,370

The cheapest time to fly from Osaka to Ko Samui

September

Cheapest

Flights from ¥229

July

Most Expensive

Flights from ¥617

Jan

Feb

Mar

Apr

May

Jun

Jul

Sep

Oct

Dec