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Cheap Flights from Osaka (OSAA) to Koh Samui (USM)

Compare Osaka to Samui International flight deals

Find the cheapest month or even day of the year to fly to Samui International

Book the best Samui International fare with no extra fees

Flight deals from Osaka to Samui International

Looking for a cheap last-minute deal or the best return flight from Osaka to Samui International? Find the lowest prices on one-way and return tickets right here.
Koh Samui.$587 per passenger.Departing Mon, 8 Sep, returning Fri, 12 Sep.Return flight with Thai AirAsia X and Bangkok Airways.Outbound indirect flight with Thai AirAsia X, departs from Kansai International (Osaka) on Mon, 8 Sep, arriving in Samui International.Inbound indirect flight with Bangkok Airways, departs from Samui International on Fri, 12 Sep, arriving in Kansai International (Osaka).Price includes taxes and charges.From $587, select.
Koh Samui.$658 per passenger.Departing Thu, 30 Oct, returning Wed, 5 Nov.Return flight with China Eastern and Bangkok Airways.Outbound indirect flight with China Eastern, departs from Kansai International (Osaka) on Thu, 30 Oct, arriving in Samui International.Inbound indirect flight with Bangkok Airways, departs from Samui International on Wed, 5 Nov, arriving in Kansai International (Osaka).Price includes taxes and charges.From $658, select.
Koh Samui.$669 per passenger.Departing Wed, 22 Oct, returning Wed, 29 Oct.Return flight with China Eastern and Bangkok Airways.Outbound indirect flight with China Eastern, departs from Kansai International (Osaka) on Wed, 22 Oct, arriving in Samui International.Inbound indirect flight with Bangkok Airways, departs from Samui International on Wed, 29 Oct, arriving in Kansai International (Osaka).Price includes taxes and charges.From $669, select.
Koh Samui.$678 per passenger.Departing Sat, 2 Aug, returning Tue, 5 Aug.Return flight with Scoot.Outbound indirect flight with Scoot, departs from Kansai International (Osaka) on Sat, 2 Aug, arriving in Samui International.Inbound indirect flight with Scoot, departs from Samui International on Tue, 5 Aug, arriving in Kansai International (Osaka).Price includes taxes and charges.From $678, select.
Koh Samui.$684 per passenger.Departing Fri, 25 Jul, returning Fri, 1 Aug.Return flight with Scoot.Outbound indirect flight with Scoot, departs from Kansai International (Osaka) on Fri, 25 Jul, arriving in Samui International.Inbound indirect flight with Scoot, departs from Samui International on Fri, 1 Aug, arriving in Kansai International (Osaka).Price includes taxes and charges.From $684, select.
Koh Samui.$685 per passenger.Departing Tue, 28 Apr, returning Wed, 6 May.Return flight with Scoot.Outbound indirect flight with Scoot, departs from Kansai International (Osaka) on Tue, 28 Apr, arriving in Samui International.Inbound indirect flight with Scoot, departs from Samui International on Wed, 6 May, arriving in Kansai International (Osaka).Price includes taxes and charges.From $685, select.
Koh Samui.$692 per passenger.Departing Thu, 28 Aug, returning Thu, 11 Sep.Return flight with Thai AirAsia X and Bangkok Airways.Outbound indirect flight with Thai AirAsia X, departs from Kansai International (Osaka) on Thu, 28 Aug, arriving in Samui International.Inbound indirect flight with Bangkok Airways, departs from Samui International on Thu, 11 Sep, arriving in Kansai International (Osaka).Price includes taxes and charges.From $692, select.
Koh Samui.$739 per passenger.Departing Fri, 28 Nov, returning Wed, 3 Dec.Return flight with China Southern and Bangkok Airways.Outbound indirect flight with China Southern, departs from Kansai International (Osaka) on Fri, 28 Nov, arriving in Samui International.Inbound indirect flight with Bangkok Airways, departs from Samui International on Wed, 3 Dec, arriving in Kansai International (Osaka).Price includes taxes and charges.From $739, select.

Find the cheapest month to fly from Osaka to Samui International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Osaka to Samui International flights are currently cheapest in September.
Jul
from $820
Aug
from $678
Sep
from $587
Oct
from $669
Nov
from $740
Dec
from $899
Jan
from $753
Feb
from $806
Mar
from $788
Apr
Find prices
May
Find prices
Jun
from $806

Osaka to Samui International: Alternative routes

Compare routes from Osaka to Koh Samui below. You may find an airport to fly into that's cheaper, faster, or easier than Samui International.

Osaka to Koh Samui: Flight information

The things to know before you go.
Cheapest flight found$587
Cheapest month to flySeptember

Finding cheap flights from Osaka to Samui International: Frequently asked questions

The best price we found for a return flight from Osaka to Samui International is $587. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Osaka to Samui International. But we found flights with one stop from $587.
As of July 2025, there are no flights flying from Osaka to Samui International.
The cheapest month to fly from Osaka to Samui International is usually September.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Osaka to Samui International Airport on Monday, 8 September 2025.
No airlines currently offer direct flights between Osaka and Samui International Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Samui International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Koh Samui is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to Samui International is Thai AirAsia X .

Travelling from Osaka to Koh Samui Airport (USM): What you need to know

  • There are a couple of main airports you can take off from in Osaka. Check out your options leaving from Kansai International Airport (KIX) or Kobe Airport (UKB) when searching for a flight from Osaka to Koh Samui Airport (USM).

  • Koh Samui is two hours behind Osaka. Koh Samui Airport is located in Koh Samui, which operates on the UTC+7 timezone.

  • Get to the airport on time so you don't miss your flight from Osaka to USM. Be there at least two hours ahead for international flights and an hour early for domestic departures to prevent a last-minute sprint to your gate.

  • With more travellers during peak seasons, aim to get to your terminal earlier than usual. Two hours for domestic flights and up to four for international journeys will allow extra time for delays.

Airports in Osaka

Kansai International Airport (KIX)

  • Think about adding a stopover to find cheap flights from Osaka to USM. Simply deselect 'Direct flights only' when browsing departures from Kansai International Airport (KIX). Break up the journey at one of these popular options:

    • Suvarnabhumi Airport (BKK)

    • Changi International Airport (SIN)

    • Hong Kong International Airport (HKG)

  • KIX is about 48 kilometres from central Osaka. If you're driving, ride-sharing or catching a cab from the centre, it'll take you 45 minutes or so to arrive, depending on traffic conditions.

  • Need a handy place to stay before your flight from Osaka to Koh Samui Airport? First Cabin Kansai Airport and Hotel Nikko Kansai Airport - 3 Mins Walk to the Airport are near Kansai International Airport. They're an especially great option if you have an early flight out.

  • 67.95% of flights that depart Kansai International Airport touch down at their destination on time.

  • KIX is located at 1 Senshukukokita, Izumisano.

Itami Airport (ITM)

  • Depending on road traffic, you can drive to ITM from the centre of Osaka in around 20 minutes. The airport is approximately 16 kilometres away.

  • Got a crack-of-dawn departure? You might like to check in to one of these accommodation options near Itami Airport the day before your Osaka to USM flight:

  • Itami Airport has an on-time performance rate of 77.41%. This figure highlights how often flights departing from this airport arrive on schedule.

  • The street address for ITM is 3丁目555 Nishimachi, Hotarugaike, Toyonaka.

Kobe Airport (UKB)

  • If you're travelling to UKB from central Osaka, it takes around 45 minutes to get there by car. The drive to the airport is roughly 40 kilometres.

  • Relax in bed for a little longer and still make your Osaka to Koh Samui Airport flight with time to spare. These accommodation options near Kobe Airport make getting to the terminal a breeze if you're flying out first thing:

  • UKB has a reliable on-time arrivals rating of 85.15%, so there's a high chance your flight will stay on schedule and land as expected.

  • Kobe Airport is located at 1 Kobekuko, Chuo Ward.

About Koh Samui Airport (USM)

  • If you have a late flight from Osaka to Koh Samui Airport, few things beat the convenience of staying near the terminal. Pick up your luggage at baggage claim and then be showered and relaxing not long after at one of these hotels near USM:

  • Pick up a Koh Samui Airport rental car and discover Koh Samui and beyond with your own wheels. Asap car hire, Hertz and Drive Car Hire are popular providers you can book with here.

  • Lock in the best rate by reserving your vehicle around four weeks before your Osaka to Koh Samui Airport flight.

How to find the cheapest flights from Osaka to Koh Samui Airport (USM)

  • $285 is the lowest price for a one-way ticket from Osaka to Koh Samui Airport. Return flights start at $587. These fares may change based on availability and demand.

  • Don't leave things to the last minute. You're more likely to walk away with cheap flights from Osaka to USM if you book in advance. Airlines often offer some fantastic early bird discounts.

  • Affordable Osaka to Koh Samui Airport tickets are easier to find when your travel dates are flexible. Try using the 'Whole month' search tool to compare fares across every month and then fly out on the cheapest day.

  • Never miss a deal on flight tickets from Osaka to USM by setting up a Price Alert. We'll send you an email or push notification on the app when a lower fare becomes available.

  • Filters make it easier to dig up a deal for your flight from Osaka to Koh Samui Airport. Pick the airlines, flight times and stops that make sense for you. Then sort the results by 'Cheapest' to find the best price quickly.

Explore more of Thailand

  • Koh Samui is easy to fall in love with, but there are so many other corners of Thailand waiting to be explored. Around 129 kilometres south of Koh Samui, a trip to Nakhon Si Thammarat will fill your itinerary to the brim. Start with leading attractions like Wat Phra Phrom, Wat Pho Sadet and Wat Yai Chai Mongkol.

  • If you want to check out another great destination in Thailand, consider Phuket, about 257 kilometres south-west of Koh Samui. V.MarineTour- Phi Phi Islands Day Trip - Private Boat Charters, Sunrise Beach and Paradise Beach are among the biggest draws.

Plan the rest of your trip from Osaka to Koh Samui

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.