Cheap Flights From Lambert-St. Louis Intl. (STL) To Samui Intl. Airport (USM)

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Cheapest Flights from St. Louis (STL) to Samui Intl. Airport (USM)

The cheapest flights to Samui Intl. Airport found within the past 7 days were CA $2,767 round trip and one way. Prices and availability subject to change. Additional terms may apply.

Mon., 24 Mar. - Tue., 1 Apr.
STL
St. Louis
USM
Koh Samui
CA $2,767 Roundtrip, found 6 hours ago
CA $2,767
Roundtrip
found 6 hours ago
Select American Airlines flight, departing Mon., 24 Mar. from St. Louis to Koh Samui, returning Tue., 1 Apr., priced at CA $2,767 found 6 hours ago
Wed., 19 Mar. - Tue., 1 Apr.
STL
St. Louis
USM
Koh Samui
CA $2,797 Roundtrip, found 6 hours ago
CA $2,797
Roundtrip
found 6 hours ago
Select Cathay Pacific flight, departing Wed., 19 Mar. from St. Louis to Koh Samui, returning Tue., 1 Apr., priced at CA $2,797 found 6 hours ago
Sun., 23 Mar. - Tue., 1 Apr.
STL
St. Louis
USM
Koh Samui
CA $2,916 Roundtrip, found 6 hours ago
CA $2,916
Roundtrip
found 6 hours ago
Select American Airlines flight, departing Sun., 23 Mar. from St. Louis to Koh Samui, returning Tue., 1 Apr., priced at CA $2,916 found 6 hours ago
Fri., 21 Mar. - Tue., 1 Apr.
STL
St. Louis
USM
Koh Samui
CA $2,946 Roundtrip, found 6 hours ago
CA $2,946
Roundtrip
found 6 hours ago
Select Cathay Pacific flight, departing Fri., 21 Mar. from St. Louis to Koh Samui, returning Tue., 1 Apr., priced at CA $2,946 found 6 hours ago
Mon., 24 Mar. - Mon., 31 Mar.
STL
St. Louis
USM
Koh Samui
CA $2,993 Roundtrip, found 6 hours ago
CA $2,993
Roundtrip
found 6 hours ago
Select American Airlines flight, departing Mon., 24 Mar. from St. Louis to Koh Samui, returning Mon., 31 Mar., priced at CA $2,993 found 6 hours ago
Wed., 19 Mar. - Tue., 25 Mar.
STL
St. Louis
USM
Koh Samui
CA $3,012 Roundtrip, found 1 day ago
CA $3,012
Roundtrip
found 1 day ago
Select Cathay Pacific flight, departing Wed., 19 Mar. from St. Louis to Koh Samui, returning Tue., 25 Mar., priced at CA $3,012 found 1 day ago
Wed., 19 Mar. - Mon., 31 Mar.
STL
St. Louis
USM
Koh Samui
CA $3,023 Roundtrip, found 6 hours ago
CA $3,023
Roundtrip
found 6 hours ago
Select Cathay Pacific flight, departing Wed., 19 Mar. from St. Louis to Koh Samui, returning Mon., 31 Mar., priced at CA $3,023 found 6 hours ago
Mon., 24 Mar. - Fri., 28 Mar.
STL
St. Louis
USM
Koh Samui
CA $3,043 Roundtrip, found 6 hours ago
CA $3,043
Roundtrip
found 6 hours ago
Select American Airlines flight, departing Mon., 24 Mar. from St. Louis to Koh Samui, returning Fri., 28 Mar., priced at CA $3,043 found 6 hours ago
Wed., 19 Mar. - Thu., 27 Mar.
STL
St. Louis
USM
Koh Samui
CA $3,073 Roundtrip, found 6 hours ago
CA $3,073
Roundtrip
found 6 hours ago
Select Cathay Pacific flight, departing Wed., 19 Mar. from St. Louis to Koh Samui, returning Thu., 27 Mar., priced at CA $3,073 found 6 hours ago
Sun., 23 Mar. - Mon., 31 Mar.
STL
St. Louis
USM
Koh Samui
CA $3,142 Roundtrip, found 6 hours ago
CA $3,142
Roundtrip
found 6 hours ago
Select American Airlines flight, departing Sun., 23 Mar. from St. Louis to Koh Samui, returning Mon., 31 Mar., priced at CA $3,142 found 6 hours ago
Fri., 21 Mar. - Tue., 25 Mar.
STL
St. Louis
USM
Koh Samui
CA $3,162 Roundtrip, found 1 day ago
CA $3,162
Roundtrip
found 1 day ago
Select Cathay Pacific flight, departing Fri., 21 Mar. from St. Louis to Koh Samui, returning Tue., 25 Mar., priced at CA $3,162 found 1 day ago
Fri., 21 Mar. - Mon., 31 Mar.
STL
St. Louis
USM
Koh Samui
CA $3,172 Roundtrip, found 6 hours ago
CA $3,172
Roundtrip
found 6 hours ago
Select Cathay Pacific flight, departing Fri., 21 Mar. from St. Louis to Koh Samui, returning Mon., 31 Mar., priced at CA $3,172 found 6 hours ago
Sun., 23 Mar. - Thu., 27 Mar.
STL
St. Louis
USM
Koh Samui
CA $3,192 Roundtrip, found 6 hours ago
CA $3,192
Roundtrip
found 6 hours ago
Select American Airlines flight, departing Sun., 23 Mar. from St. Louis to Koh Samui, returning Thu., 27 Mar., priced at CA $3,192 found 6 hours ago
Tue., 18 Mar. - Tue., 25 Mar.
STL
St. Louis
USM
Koh Samui
CA $3,208 Roundtrip, found 1 day ago
CA $3,208
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue., 18 Mar. from St. Louis to Koh Samui, returning Tue., 25 Mar., priced at CA $3,208 found 1 day ago
Tue., 25 Mar. - Mon., 31 Mar.
STL
St. Louis
USM
Koh Samui
CA $3,218 Roundtrip, found 6 hours ago
CA $3,218
Roundtrip
found 6 hours ago
Select American Airlines flight, departing Tue., 25 Mar. from St. Louis to Koh Samui, returning Mon., 31 Mar., priced at CA $3,218 found 6 hours ago
Fri., 21 Mar. - Thu., 27 Mar.
STL
St. Louis
USM
Koh Samui
CA $3,222 Roundtrip, found 6 hours ago
CA $3,222
Roundtrip
found 6 hours ago
Select Cathay Pacific flight, departing Fri., 21 Mar. from St. Louis to Koh Samui, returning Thu., 27 Mar., priced at CA $3,222 found 6 hours ago
Tue., 18 Mar. - Mon., 31 Mar.
STL
St. Louis
USM
Koh Samui
CA $3,230 Roundtrip, found 1 day ago
CA $3,230
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue., 18 Mar. from St. Louis to Koh Samui, returning Mon., 31 Mar., priced at CA $3,230 found 1 day ago
Tue., 18 Mar. - Thu., 27 Mar.
STL
St. Louis
USM
Koh Samui
CA $3,280 Roundtrip, found 1 day ago
CA $3,280
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue., 18 Mar. from St. Louis to Koh Samui, returning Thu., 27 Mar., priced at CA $3,280 found 1 day ago
Sat., 22 Mar. - Mon., 31 Mar.
STL
St. Louis
USM
Koh Samui
CA $3,298 Roundtrip, found 6 hours ago
CA $3,298
Roundtrip
found 6 hours ago
Select Cathay Pacific flight, departing Sat., 22 Mar. from St. Louis to Koh Samui, returning Mon., 31 Mar., priced at CA $3,298 found 6 hours ago
Wed., 19 Mar. - Sat., 29 Mar.
STL
St. Louis
USM
Koh Samui
CA $5,342 Roundtrip, found 1 day ago
CA $5,342
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Wed., 19 Mar. from St. Louis to Koh Samui, returning Sat., 29 Mar., priced at CA $5,342 found 1 day ago
*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.