Cheap Flights from Bucharest to Koh Samui

View €523 flight on Wed, 3 Sep 2025Opens in a new window

Popular airlines from Bucharest to Koh Samui

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 15% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap flights from Bucharest to Koh Samui (BUH-USM)

Prices were available within the past 7 days and start at €523 for one-way flights and €824 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Lufthansa
Thu, 4 Sep - Tue, 9 Sep
OTP
Bucharest
USM
Koh Samui
€824 Return, found 1 day ago
€824
Return
found 1 day ago
Select Lufthansa flight, departing Thu, 4 Sep from Bucharest to Koh Samui, returning Tue, 9 Sep, priced at €824 found 1 day ago
Swiss International Air Lines
Wed, 3 Sep - Fri, 19 Sep
OTP
Bucharest
USM
Koh Samui
€840 Return, found 5 days ago
€840
Return
found 5 days ago
Select Swiss International Air Lines flight, departing Wed, 3 Sep from Bucharest to Koh Samui, returning Fri, 19 Sep, priced at €840 found 5 days ago
Lufthansa
Wed, 3 Sep - Fri, 19 Sep
OTP
Bucharest
USM
Koh Samui
€850 Return, found 5 days ago
€850
Return
found 5 days ago
Select Lufthansa flight, departing Wed, 3 Sep from Bucharest to Koh Samui, returning Fri, 19 Sep, priced at €850 found 5 days ago
Austrian Airlines
Thu, 4 Sep - Tue, 9 Sep
OTP
Bucharest
USM
Koh Samui
€939 Return, found 1 day ago
€939
Return
found 1 day ago
Select Austrian Airlines flight, departing Thu, 4 Sep from Bucharest to Koh Samui, returning Tue, 9 Sep, priced at €939 found 1 day ago
Qatar Airways
Thu, 4 Sep - Tue, 9 Sep
OTP
Bucharest
USM
Koh Samui
€1,048 Return, found 1 day ago
€1,048
Return
found 1 day ago
Select Qatar Airways flight, departing Thu, 4 Sep from Bucharest to Koh Samui, returning Tue, 9 Sep, priced at €1,048 found 1 day ago
Turkish Airlines
Thu, 4 Sep - Tue, 9 Sep
OTP
Bucharest
USM
Koh Samui
€1,196 Return, found 1 day ago
€1,196
Return
found 1 day ago
Select Turkish Airlines flight, departing Thu, 4 Sep from Bucharest to Koh Samui, returning Tue, 9 Sep, priced at €1,196 found 1 day ago
*Available to Expedia members.