Cheap flights from Bucharest Otopeni to Samui International

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Flight deals from Bucharest Otopeni Airport to Samui International Airport

Looking for a cheap last-minute deal or the best round-trip flight from Bucharest Otopeni Airport to Samui International Airport? If you want to travel next month, round-trip fares start from $1,204. Find the lowest prices on one-way and round-trip tickets right here.

Koh Samui.$990 per passenger.Departing Thu, May 7, returning Wed, May 13.Round-trip flight with SWISS.Outbound indirect flight with SWISS, departing from Bucharest Otopeni on Thu, May 7, arriving in Samui International.Inbound indirect flight with SWISS, departing from Samui International on Wed, May 13, arriving in Bucharest Otopeni.Price includes taxes and charges.From $990, select.

Koh Samui.$1,034 per passenger.Departing Sun, Dec 6, returning Wed, Feb 3.Round-trip flight with Austrian Airlines and Scoot.Outbound indirect flight with Austrian Airlines, departing from Bucharest Otopeni on Sun, Dec 6, arriving in Samui International.Inbound indirect flight with Scoot, departing from Samui International on Wed, Feb 3, arriving in Bucharest Otopeni.Price includes taxes and charges.From $1,034, select.

Koh Samui.$1,049 per passenger.Departing Thu, Aug 27, returning Sat, Sep 5.Round-trip flight with TAROM and Scoot.Outbound indirect flight with TAROM, departing from Bucharest Otopeni on Thu, Aug 27, arriving in Samui International.Inbound indirect flight with Scoot, departing from Samui International on Sat, Sep 5, arriving in Bucharest Otopeni.Price includes taxes and charges.From $1,049, select.

Koh Samui.$1,057 per passenger.Departing Sun, Apr 26, returning Sun, May 3.Round-trip flight with Wizz Air Malta and Bangkok Airways.Outbound indirect flight with Wizz Air Malta, departing from Bucharest Otopeni on Sun, Apr 26, arriving in Samui International.Inbound indirect flight with Bangkok Airways, departing from Samui International on Sun, May 3, arriving in Bucharest Otopeni.Price includes taxes and charges.From $1,057, select.

Koh Samui.$1,074 per passenger.Departing Sat, Jan 23, returning Wed, Feb 3.Round-trip flight with Austrian Airlines and Bangkok Airways.Outbound indirect flight with Austrian Airlines, departing from Bucharest Otopeni on Sat, Jan 23, arriving in Samui International.Inbound indirect flight with Bangkok Airways, departing from Samui International on Wed, Feb 3, arriving in Bucharest Otopeni.Price includes taxes and charges.From $1,074, select.

Koh Samui.$1,083 per passenger.Departing Sat, Jun 20, returning Sat, Jul 4.Round-trip flight with Aegean Airlines and Bangkok Airways.Outbound indirect flight with Aegean Airlines, departing from Bucharest Otopeni on Sat, Jun 20, arriving in Samui International.Inbound indirect flight with Bangkok Airways, departing from Samui International on Sat, Jul 4, arriving in Bucharest Otopeni.Price includes taxes and charges.From $1,083, select.

Koh Samui.$1,096 per passenger.Departing Sat, May 30, returning Sat, Jun 6.Round-trip flight with Turkish Airlines and Scoot.Outbound indirect flight with Turkish Airlines, departing from Bucharest Otopeni on Sat, May 30, arriving in Samui International.Inbound indirect flight with Scoot, departing from Samui International on Sat, Jun 6, arriving in Bucharest Otopeni.Price includes taxes and charges.From $1,096, select.

Koh Samui.$1,097 per passenger.Departing Thu, Jun 18, returning Thu, Jun 25.Round-trip flight with Turkish Airlines and Bangkok Airways.Outbound indirect flight with Turkish Airlines, departing from Bucharest Otopeni on Thu, Jun 18, arriving in Samui International.Inbound indirect flight with Bangkok Airways, departing from Samui International on Thu, Jun 25, arriving in Bucharest Otopeni.Price includes taxes and charges.From $1,097, select.

Koh Samui.$1,120 per passenger.Departing Mon, Sep 14, returning Fri, Sep 18.Round-trip flight with Animawings and Bangkok Airways.Outbound indirect flight with Animawings, departing from Bucharest Otopeni on Mon, Sep 14, arriving in Samui International.Inbound indirect flight with Bangkok Airways, departing from Samui International on Fri, Sep 18, arriving in Bucharest Otopeni.Price includes taxes and charges.From $1,120, select.

Koh Samui.$1,174 per passenger.Departing Tue, Dec 15, returning Thu, Dec 24.Round-trip flight with Austrian Airlines and Bangkok Airways.Outbound indirect flight with Austrian Airlines, departing from Bucharest Otopeni on Tue, Dec 15, arriving in Samui International.Inbound indirect flight with Bangkok Airways, departing from Samui International on Thu, Dec 24, arriving in Bucharest Otopeni.Price includes taxes and charges.From $1,174, select.

Koh Samui.$1,204 per passenger.Departing Wed, Apr 15, returning Sun, Apr 26.Round-trip flight with Wizz Air Malta and Scoot.Outbound indirect flight with Wizz Air Malta, departing from Bucharest Otopeni on Wed, Apr 15, arriving in Samui International.Inbound indirect flight with Scoot, departing from Samui International on Sun, Apr 26, arriving in Bucharest Otopeni.Price includes taxes and charges.From $1,204, select.

Koh Samui.$1,211 per passenger.Departing Mon, Jul 13, returning Tue, Jul 21.Round-trip flight with Wizz Air Malta and Bangkok Airways.Outbound indirect flight with Wizz Air Malta, departing from Bucharest Otopeni on Mon, Jul 13, arriving in Samui International.Inbound indirect flight with Bangkok Airways, departing from Samui International on Tue, Jul 21, arriving in Bucharest Otopeni.Price includes taxes and charges.From $1,211, select.

Koh Samui.$1,231 per passenger.Departing Sat, Jan 2, returning Fri, Jan 15.Round-trip flight with Turkish Airlines and Bangkok Airways.Outbound indirect flight with Turkish Airlines, departing from Bucharest Otopeni on Sat, Jan 2, arriving in Samui International.Inbound indirect flight with Bangkok Airways, departing from Samui International on Fri, Jan 15, arriving in Bucharest Otopeni.Price includes taxes and charges.From $1,231, select.

Koh Samui.$1,307 per passenger.Departing Sat, Aug 1, returning Wed, Aug 12.Round-trip flight with Wizz Air Malta and Bangkok Airways.Outbound indirect flight with Wizz Air Malta, departing from Bucharest Otopeni on Sat, Aug 1, arriving in Samui International.Inbound indirect flight with Bangkok Airways, departing from Samui International on Wed, Aug 12, arriving in Bucharest Otopeni.Price includes taxes and charges.From $1,307, select.

Koh Samui.$1,350 per passenger.Departing Sun, Dec 20, returning Thu, Jan 7.Round-trip flight with Austrian Airlines and Bangkok Airways.Outbound indirect flight with Austrian Airlines, departing from Bucharest Otopeni on Sun, Dec 20, arriving in Samui International.Inbound indirect flight with Bangkok Airways, departing from Samui International on Thu, Jan 7, arriving in Bucharest Otopeni.Price includes taxes and charges.From $1,350, select.

Koh Samui.$1,357 per passenger.Departing Fri, Feb 12, returning Sat, Feb 20.Round-trip flight with Qatar Airways.Outbound indirect flight with Qatar Airways, departing from Bucharest Otopeni on Fri, Feb 12, arriving in Samui International.Inbound indirect flight with Qatar Airways, departing from Samui International on Sat, Feb 20, arriving in Bucharest Otopeni.Price includes taxes and charges.From $1,357, select.

Find the cheapest month to fly from Bucharest Otopeni to Samui International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Bucharest Otopeni to Samui International flights are currently cheapest in May.

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Bucharest Otopeni to Samui International: Alternative routes

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

Samui International

5km from central Koh Samui

ClosestCheapest

from $990

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Bucharest to Koh Samui: Flight information

The things to know before you go.

Cheapest flight found	$990
Cheapest month to fly	May

Finding cheap flights from Bucharest Otopeni to Samui International: Frequently asked questions

How much are round-trip flights from Bucharest Otopeni to Samui International?

The best price we found for a round-trip flight from Bucharest Otopeni to Samui International is $990. 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.

Which airlines fly direct from Bucharest Otopeni to Samui International?

Currently, there are no airlines that fly direct from Bucharest Otopeni to Samui International. But we found flights with one or more stops from $990.

How many flights are there a week from Bucharest Otopeni to Samui International?

There are no flights flying from Bucharest Otopeni to Samui International, as of March 2026.

When is the cheapest time to fly from Bucharest Otopeni to Samui International?

The cheapest month to fly from Bucharest Otopeni to Samui International is usually May.

Which upcoming date is cheapest to fly from Bucharest Otopeni Airport to Samui International Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Bucharest Otopeni Airport to Samui International Airport on Thursday, May 7, 2026.

Can I get a direct flight from Bucharest Otopeni Airport to Samui International Airport?

No airlines currently offer direct flights between Bucharest Otopeni Airport and Samui International Airport. Most routes have one or more stops.

How can I find the best flight deal to Samui International?

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.

When is the best time to book flights to Koh Samui?

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.

Which is the cheapest airline to fly with from Bucharest Otopeni Airport to Samui International?

Currently, SWISS offers the cheapest flight tickets to Samui International.

Flying from Bucharest Henri Coanda International Airport (OTP) to Koh Samui Airport (USM): what you need to know

Arrive at the airport on time so you don't miss your OTP to USM flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid any last-minute rush.
During popular months like July, it's best to get to the airport even earlier. Plan to arrive two hours before domestic departures and four hours ahead for international flights when you travel during peak periods in general.

How to find the cheapest flights from Bucharest Henri Coanda International Airport (OTP) to Koh Samui Airport (USM)

Right now, $453 is the cheapest price we've seen for a one-way Bucharest Henri Coanda International Airport to Koh Samui Airport flight. The best price for a return plane ticket is $990. Keep in mind that fares can change due to availability at the time of booking.
To pick up cheap tickets from OTP to USM, book early. Airlines typically offer lower fares when flights are first made available.
If you can be flexible with your travel plans, try using the 'Whole month' tool. It'll show you the cheapest price across each month when looking for a flight from Bucharest Henri Coanda International Airport to Koh Samui Airport.
You don't need to check every day to see if fares have dropped when you set up a Price Alert. We'll notify you as soon as the price changes on cheap flights from OTP to USM.
Select your preferred departure and arrival times, airlines and number of stops with the filters. Alternatively, sort your results by 'Cheapest' to get the best deals on flights from Bucharest Henri Coanda International Airport to Koh Samui Airport.

Handy information about Bucharest Henri Coanda International Airport (OTP)

Of the departures from Bucharest Henri Coanda International Airport, 71.27% arrive as scheduled at their destination.
Central Bucharest to Bucharest Henri Coanda International Airport is around 21 kilometers. Depending on traffic, it'll take you about 35 minutes to get there if you're ride-sharing, catching a cab or driving.
Catching public transport? Expect a trip time of around 1 hour 35 minutes.
Need a convenient hotel near OTP? If you're boarding an early flight from Bucharest Henri Coanda International Airport to Koh Samui Airport, these stays will have you sleeping moments from your departure gate:

Arriving at Koh Samui Airport (USM)

The last thing you need is a long journey to your hotel if you're landing late on a Bucharest Henri Coanda International Airport to Koh Samui Airport flight. Stay at one of these accommodation options near USM instead:
Say yes to new adventures by picking up a Koh Samui Airport rental car. Grab a set of wheels from asap car rental, Hertz or Drive Car Rental and experience the lesser-explored corners of Koh Samui and beyond.
For the best deal, reserve your ride from Koh Samui Airport about four weeks before you set off.

Getting from Koh Samui Airport (USM) to central Koh Samui

Central Koh Samui is about 3 kilometers from Koh Samui Airport. Travel time by car will vary depending on time of day and traffic conditions, so do some research ahead of your trip.

When to fly to Koh Samui Airport (USM)

It's time to plan your trip dates for your flight from Bucharest Henri Coanda International Airport to Koh Samui Airport. July is the busiest month to head to Koh Samui. If you prefer a quieter vibe, go in February.

Explore more of Thailand

You've done Koh Samui, now it's time to explore more of Thailand. Journey around 467 kilometers north to Bangkok to tick off its leading attractions. From Grand Palace to Wat Arun and Wat Phra Kaew, there's plenty to keep you busy.
If you're ready to explore another major stop in Thailand, consider Chon Buri, about 434 kilometers north of Koh Samui. Wat Ton Son, Forest and Phra Phutthasihing Hall are key highlights.