Cheap Flights from Sofia to Koh Samui

View €454 flight on Thu, 29 Jan 2026Opens in a new window

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Cheap flights from Sofia to Koh Samui (SOF-USM)

Prices were available within the past 7 days and start at €454 for one-way flights and €768 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Austrian Airlines
Mon, 12 May - Mon, 19 May
SOF
Sofia
USM
Koh Samui
€768 Return, found 3 days ago
€768
Return
found 3 days ago
Select Austrian Airlines flight, departing Mon, 12 May from Sofia to Koh Samui, returning Mon, 19 May, priced at €768 found 3 days ago
Lufthansa
Mon, 12 May - Mon, 19 May
SOF
Sofia
USM
Koh Samui
€785 Return, found 3 days ago
€785
Return
found 3 days ago
Select Lufthansa flight, departing Mon, 12 May from Sofia to Koh Samui, returning Mon, 19 May, priced at €785 found 3 days ago
Air France
Mon, 12 May - Mon, 19 May
SOF
Sofia
USM
Koh Samui
€799 Return, found 3 days ago
€799
Return
found 3 days ago
Select Air France flight, departing Mon, 12 May from Sofia to Koh Samui, returning Mon, 19 May, priced at €799 found 3 days ago
Austrian Airlines
Mon, 12 May - Mon, 19 May
SOF
Sofia
USM
Koh Samui
€808 Return, found 3 days ago
€808
Return
found 3 days ago
Select Austrian Airlines flight, departing Mon, 12 May from Sofia to Koh Samui, returning Mon, 19 May, priced at €808 found 3 days ago
Swiss International Air Lines
Thu, 29 Jan - Sun, 8 Feb
SOF
Sofia
USM
Koh Samui
€817 Return, found 5 days ago
€817
Return
found 5 days ago
Select Swiss International Air Lines flight, departing Thu, 29 Jan from Sofia to Koh Samui, returning Sun, 8 Feb, priced at €817 found 5 days ago
Bulgaria Air
Thu, 29 Jan - Sun, 8 Feb
SOF
Sofia
USM
Koh Samui
€899 Return, found 5 days ago
€899
Return
found 5 days ago
Select Bulgaria Air flight, departing Thu, 29 Jan from Sofia to Koh Samui, returning Sun, 8 Feb, priced at €899 found 5 days ago
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