OTP - USM

฿16,736 Find Cheap Flights from Bucharest to Ko Samui – Compare and Save

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Everything you should know

Cheapest return flight
฿27,230
Typical prices: ฿37,388-฿50,902
เอทิฮัดแอร์เวย์
Thu 15/2Sun 25/2
OTP - USM • 2 stops
Cheapest one-way flight
฿16,736
Typical prices: ฿23,164-฿27,428
Multiple Airlines
Sat 1/12
OTP - USM • 3 stops
When to travel
September
Cheapest • 29% price drop
January
Most popular
Good to know
+1
Good to know
+1
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We hope you enjoy your trip to Ko Samui!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Bucharest to Ko Samui (OTP-USM)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Otopeni Intl to Ko Samui

Mon 15 Feb - Thu 25 Feb
เอทิฮัดแอร์เวย์ Logo
12:35 - 10:35OTP  Bucharest Otopeni Intl-USM Ko Samui
17h 00m2 stops Abu Dhabi Zayed Intl Bangkok Suvarnabhumi
เอทิฮัดแอร์เวย์ Logo
21:30 - 11:30USM  Ko Samui-OTP Bucharest Otopeni Intl
19h 00m2 stops Bangkok Suvarnabhumi Abu Dhabi Zayed Intl
฿27,230เอทิฮัดแอร์เวย์
Mon 15 Feb - Thu 25 Feb
เอทิฮัดแอร์เวย์ Logo
12:35 - 09:20OTP  Bucharest Otopeni Intl-USM Ko Samui
15h 45m2 stops Abu Dhabi Zayed Intl Bangkok Suvarnabhumi
เอทิฮัดแอร์เวย์ Logo
17:05 - 11:30USM  Ko Samui-OTP Bucharest Otopeni Intl
23h 25m2 stops Bangkok Suvarnabhumi Abu Dhabi Zayed Intl
฿28,445เอทิฮัดแอร์เวย์
Mon 15 Feb - Thu 25 Feb
เอทิฮัดแอร์เวย์ Logo
12:35 - 17:30OTP  Bucharest Otopeni Intl-USM Ko Samui
23h 55m2 stops Abu Dhabi Zayed Intl Phuket City
เอทิฮัดแอร์เวย์ Logo
19:10 - 11:30USM  Ko Samui-OTP Bucharest Otopeni Intl
21h 20m2 stops Bangkok Suvarnabhumi Abu Dhabi Zayed Intl
฿28,479เอทิฮัดแอร์เวย์
Mon 15 Feb - Thu 25 Feb
เอทิฮัดแอร์เวย์ Logo
12:35 - 11:30OTP  Bucharest Otopeni Intl-USM Ko Samui
17h 55m2 stops Abu Dhabi Zayed Intl Bangkok Suvarnabhumi
เอทิฮัดแอร์เวย์ Logo
16:30 - 11:30USM  Ko Samui-OTP Bucharest Otopeni Intl
24h 00m2 stops Bangkok Suvarnabhumi Abu Dhabi Zayed Intl
฿28,512เอทิฮัดแอร์เวย์
Fri 12 Feb - Thu 25 Feb
เอทิฮัดแอร์เวย์ Logo
12:35 - 16:25OTP  Bucharest Otopeni Intl-USM Ko Samui
22h 50m2 stops Abu Dhabi Zayed Intl Bangkok Suvarnabhumi
เอทิฮัดแอร์เวย์ Logo
17:05 - 11:30USM  Ko Samui-OTP Bucharest Otopeni Intl
23h 25m2 stops Bangkok Suvarnabhumi Abu Dhabi Zayed Intl
฿29,356เอทิฮัดแอร์เวย์
Thu 19 Nov - Mon 23 Nov
Multiple Airlines Logo
10:40 - 10:40OTP  Bucharest Otopeni Intl-USM Ko Samui
19h 00m2 stops Doha Hamad Intl Phuket City
Multiple Airlines Logo
15:50 - 06:40USM  Ko Samui-OTP Bucharest Otopeni Intl
19h 50m2 stops Phuket City Doha Hamad Intl
฿32,460Multiple Airlines
Sun 15 Nov - Thu 19 Nov
Multiple Airlines Logo
10:40 - 10:40OTP  Bucharest Otopeni Intl-USM Ko Samui
19h 00m2 stops Doha Hamad Intl Phuket City
Multiple Airlines Logo
15:35 - 06:40USM  Ko Samui-OTP Bucharest Otopeni Intl
20h 05m2 stops Bangkok Suvarnabhumi Doha Hamad Intl
฿32,528Multiple Airlines
Thu 19 Nov - Tue 24 Nov
Multiple Airlines Logo
10:40 - 10:40OTP  Bucharest Otopeni Intl-USM Ko Samui
19h 00m2 stops Doha Hamad Intl Phuket City
Multiple Airlines Logo
15:35 - 06:40USM  Ko Samui-OTP Bucharest Otopeni Intl
20h 05m2 stops Bangkok Suvarnabhumi Doha Hamad Intl
฿32,595Multiple Airlines
Sat 5 Dec - Sat 19 Dec
Multiple Airlines Logo
10:40 - 08:25OTP  Bucharest Otopeni Intl-USM Ko Samui
40h 45m2 stops Doha Hamad Intl Phuket City
Multiple Airlines Logo
15:50 - 13:25USM  Ko Samui-OTP Bucharest Otopeni Intl
26h 35m2 stops Phuket City Doha Hamad Intl
฿33,506Multiple Airlines
Tue 1 Dec - Tue 8 Dec
Multiple Airlines Logo
05:35 - 08:00OTP  Bucharest Otopeni Intl-USM Ko Samui
21h 25m3 stops Warsaw Frederic Chopin Vienna Intl Singapore Changi
Multiple Airlines Logo
08:55 - 08:40USM  Ko Samui-OTP Bucharest Otopeni Intl
28h 45m2 stops Singapore Changi Istanbul
฿34,012Multiple Airlines
Booking Insights

Price, demand, and travel trends for Bucharest Otopeni Intl Airport to Ko Samui flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights with more confidence.

How much is a return flight from Bucharest Otopeni Intl Airport to Ko Samui?

Return flights from Bucharest Otopeni Intl Airport to Ko Samui typically range from ฿37,388 to ฿50,902. The lowest price found in the past 5 days was ฿27,230 on เอทิฮัดแอร์เวย์.

What's the cheapest day of the week to fly from Bucharest Otopeni Intl Airport to Ko Samui?

Based on deals KAYAK users found in the last 12 months, Tuesday is the cheapest day of the week to fly from Bucharest Otopeni Intl Airport to Ko Samui. It's 16% cheaper than the average day, while Saturday is the most expensive, with prices 11% higher.

Find deals

Key details for Bucharest Otopeni Intl Airport to Ko Samui flights

Low season

April

Cheapest flight

฿16,736
Beat the crowds with an average 88% drop in travellers.
The most popular month to fly with an average 144% increase in travellers.
One-way flight from Bucharest Otopeni Intl Airport to Ko Samui

When to book flights from Otopeni Intl to Ko Samui

Are your dates flexible? Find out the best times to travel from Otopeni Intl to Ko Samui based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price

Your Bucharest Otopeni Intl Airport to Ko Samui flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines, and booking tips.

  • Do I need a passport to fly from Bucharest Otopeni Intl Airport to Ko Samui?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a Bucharest Otopeni Intl Airport to Ko Samui flight?

    Return flights from Bucharest Otopeni Intl Airport to Ko Samui range from ฿37,388 to ฿50,902, with an average of ฿45,449 over the past 12 months. Anything below ฿37,388 counts as a good deal.

  • Have flight prices from Bucharest Otopeni Intl Airport to Ko Samui changed much recently?

    Yes. Based on fares seen in the past 5 days, return flight prices on this route showed a wide range, from about ฿27,230 to ฿181,737. That means the highest observed fare was about 7x higher than the lowest one.

  • How are flight prices from Bucharest Otopeni Intl Airport to Ko Samui looking right now?

    One-way fares from Bucharest Otopeni Intl Airport to Ko Samui are currently lower than usual. Average one-way flight prices are about ฿19,584, which is 23% below the typical average for this route.

  • Which car hire options are available at Ko Samui Airport (USM)?

    Ko Samui Airport (USM) hosts 5 major car rental companies, with daily rates starting from around ฿972 for economy cars. Top options include:

    • Drive Car Rental
    • Alamo
    • Sixt
    • Enterprise Rent-A-Car
    • Thai Rent

  • Which airports can I use when flying from Bucharest Otopeni Intl Airport to Ko Samui?

    Flights from Bucharest Otopeni Intl Airport to Ko Samui usually depart from Bucharest Otopeni Intl (OTP) and arrive at Ko Samui (USM).

  • Can I save money by using flexible dates for flights from Bucharest Otopeni Intl Airport to Ko Samui?

    Yes. Flexible dates can save you up to 24% on flights from Bucharest Otopeni Intl Airport to Ko Samui. Tuesday is the cheapest departure day at ฿38,433 return on average, while Saturday is the most expensive at ฿50,479, a difference of ฿12,046.

    KAYAK's flexible dates feature shows options up to three days before and after your selected dates, making it easier to compare nearby fares.

  • What is the time difference between Bucharest Otopeni Intl Airport and Ko Samui?

    Ko Samui is 5 hours ahead of Bucharest Otopeni Intl Airport (Indochina Time vs Eastern European Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Ko Samui?

    Some of the most popular sights in Ko Samui are Chaweng Beach, Lamai Beach, and Bophut Beach. These are among the most viewed places in Ko Samui on KAYAK.

Your guide to booking Bucharest Otopeni Intl Airport to Ko Samui flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Tuesday departure and avoid flying on Saturday. On this route, Tuesday flights average ฿38,433, which is about ฿12,046 less than Saturday fares (24% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Bucharest Otopeni Intl Airport to Ko Samui trip for September. Fares historically average ฿32,359 return in that month – typically ฿17,715 less than the most expensive month, which is July (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Ko Samui Airport.

    • Ozo Chaweng Samui - Sha Extra Plus
    • Melia Koh Samui
    • Royal Muang Samui Villas

More options for your flight from Otopeni Intl to Ko Samui

Complete your trip to Ko Samui with a hotel stay or car hire

Car rentals in Ko Samui
Hotels in Ko Samui