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Cheap Flights from Boston (BOS) to Koh Samui (USM)
Prices were available within the past 7 days and start at ฿29,285 for one-way flights and ฿51,850 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.
![Qatar Airways](http://images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/QR.gif)
Thu, 10 Apr - Sun, 20 Apr
BOS
Boston
USM
Ko Samui
฿51,850 Return, found 3 days ago
฿51,850
Return
found 3 days ago
![United](http://images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif)
Thu, 10 Apr - Sun, 20 Apr
BOS
Boston
USM
Ko Samui
฿53,100 Return, found 3 days ago
฿53,100
Return
found 3 days ago
![Qatar Airways](http://images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/QR.gif)
Thu, 10 Apr - Sun, 20 Apr
BOS
Boston
USM
Ko Samui
฿53,355 Return, found 3 days ago
฿53,355
Return
found 3 days ago
![Qatar Airways](http://images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/QR.gif)
Thu, 10 Apr - Sun, 20 Apr
BOS
Boston
USM
Ko Samui
฿58,005 Return, found 3 days ago
฿58,005
Return
found 3 days ago
![Qatar Airways](http://images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/QR.gif)
Thu, 10 Apr - Sun, 20 Apr
BOS
Boston
USM
Ko Samui
฿58,025 Return, found 3 days ago
฿58,025
Return
found 3 days ago
![Emirates](http://images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/EK.gif)
Thu, 10 Apr - Sun, 20 Apr
BOS
Boston
USM
Ko Samui
฿58,365 Return, found 3 days ago
฿58,365
Return
found 3 days ago
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