Cheap Flights from St. Louis to Koh Samui

Cheap flights from St. Louis to Koh Samui (XLS-USM)

Prices were available within the past 7 days and start at €99 for one-way flights and €201 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, 20 Feb - Mon, 24 Feb

HKT

Phuket

USM

Koh Samui

€201 Return, found 6 days ago

€201

Return

found 6 days ago

Select Bangkok Airways flight, departing Thu, 20 Feb from Phuket to Koh Samui, returning Mon, 24 Feb, priced at €201 found 6 days ago

Tue, 18 Feb - Tue, 25 Feb

UTP

Chonburi Province

USM

Koh Samui

€243 Return, found 5 days ago

€243

Return

found 5 days ago

Select Bangkok Airways flight, departing Tue, 18 Feb from Chonburi Province to Koh Samui, returning Tue, 25 Feb, priced at €243 found 5 days ago

Thu, 8 May - Fri, 16 May

DMK

Bangkok

USM

Koh Samui

€259 Return, found 1 day ago

€259

Return

found 1 day ago

Select Bangkok Airways flight, departing Thu, 8 May from Bangkok to Koh Samui, returning Fri, 16 May, priced at €259 found 1 day ago

Thu, 8 May - Fri, 16 May

BKK

Bangkok

USM

Koh Samui

€259 Return, found 1 day ago

€259

Return

found 1 day ago

Select Bangkok Airways flight, departing Thu, 8 May from Bangkok to Koh Samui, returning Fri, 16 May, priced at €259 found 1 day ago

Thu, 5 Dec - Wed, 11 Dec

KUL

Kuala Lumpur

USM

Koh Samui

€273 Return, found 1 day ago

€273

Return

found 1 day ago

Select Scoot flight, departing Thu, 5 Dec from Kuala Lumpur to Koh Samui, returning Wed, 11 Dec, priced at €273 found 1 day ago

Sat, 22 Mar - Thu, 27 Mar

SIN

Singapore

USM

Koh Samui

€279 Return, found 6 hours ago

€279

Return

found 6 hours ago

Select Scoot flight, departing Sat, 22 Mar from Singapore to Koh Samui, returning Thu, 27 Mar, priced at €279 found 6 hours ago