Cheap Flights From Washington Dulles Intl. (IAD) To Samui Intl. Airport (USM)

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Cheapest Flights from Washington (IAD) to Samui Intl. Airport (USM)

The cheapest flights to Samui Intl. Airport found within the past 7 days were CA $3,737 round trip and one way. Prices and availability subject to change. Additional terms may apply.

Sun., 5 Jan. - Sun., 12 Jan.
IAD
Washington
USM
Koh Samui
CA $3,737 Roundtrip, found 17 hours ago
CA $3,737
Roundtrip
found 17 hours ago
Select Turkish Airlines flight, departing Sun., 5 Jan. from Washington to Koh Samui, returning Sun., 12 Jan., priced at CA $3,737 found 17 hours ago
Mon., 30 Dec. - Sun., 12 Jan.
IAD
Washington
USM
Koh Samui
CA $3,752 Roundtrip, found 17 hours ago
CA $3,752
Roundtrip
found 17 hours ago
Select Turkish Airlines flight, departing Mon., 30 Dec. from Washington to Koh Samui, returning Sun., 12 Jan., priced at CA $3,752 found 17 hours ago
Mon., 30 Dec. - Wed., 8 Jan.
IAD
Washington
USM
Koh Samui
CA $3,944 Roundtrip, found 23 hours ago
CA $3,944
Roundtrip
found 23 hours ago
Select Turkish Airlines flight, departing Mon., 30 Dec. from Washington to Koh Samui, returning Wed., 8 Jan., priced at CA $3,944 found 23 hours ago
Tue., 24 Dec. - Thu., 26 Dec.
IAD
Washington
USM
Koh Samui
CA $4,118 Roundtrip, found 6 days ago
CA $4,118
Roundtrip
found 6 days ago
Select Turkish Airlines flight, departing Tue., 24 Dec. from Washington to Koh Samui, returning Thu., 26 Dec., priced at CA $4,118 found 6 days ago
Mon., 30 Dec. - Thu., 9 Jan.
IAD
Washington
USM
Koh Samui
CA $4,283 Roundtrip, found 23 hours ago
CA $4,283
Roundtrip
found 23 hours ago
Select Qatar Airways flight, departing Mon., 30 Dec. from Washington to Koh Samui, returning Thu., 9 Jan., priced at CA $4,283 found 23 hours ago
Sun., 5 Jan. - Sat., 11 Jan.
IAD
Washington
USM
Koh Samui
CA $4,294 Roundtrip, found 17 hours ago
CA $4,294
Roundtrip
found 17 hours ago
Select Turkish Airlines flight, departing Sun., 5 Jan. from Washington to Koh Samui, returning Sat., 11 Jan., priced at CA $4,294 found 17 hours ago
Sun., 5 Jan. - Wed., 8 Jan.
IAD
Washington
USM
Koh Samui
CA $4,308 Roundtrip, found 17 hours ago
CA $4,308
Roundtrip
found 17 hours ago
Select Turkish Airlines flight, departing Sun., 5 Jan. from Washington to Koh Samui, returning Wed., 8 Jan., priced at CA $4,308 found 17 hours ago
Mon., 30 Dec. - Sat., 11 Jan.
IAD
Washington
USM
Koh Samui
CA $4,310 Roundtrip, found 17 hours ago
CA $4,310
Roundtrip
found 17 hours ago
Select Turkish Airlines flight, departing Mon., 30 Dec. from Washington to Koh Samui, returning Sat., 11 Jan., priced at CA $4,310 found 17 hours ago
Wed., 1 Jan. - Sun., 12 Jan.
IAD
Washington
USM
Koh Samui
CA $4,311 Roundtrip, found 17 hours ago
CA $4,311
Roundtrip
found 17 hours ago
Select Turkish Airlines flight, departing Wed., 1 Jan. from Washington to Koh Samui, returning Sun., 12 Jan., priced at CA $4,311 found 17 hours ago
Sat., 4 Jan. - Thu., 9 Jan.
IAD
Washington
USM
Koh Samui
CA $4,324 Roundtrip, found 23 hours ago
CA $4,324
Roundtrip
found 23 hours ago
Select Qatar Airways flight, departing Sat., 4 Jan. from Washington to Koh Samui, returning Thu., 9 Jan., priced at CA $4,324 found 23 hours ago
Mon., 30 Dec. - Wed., 8 Jan.
IAD
Washington
USM
Koh Samui
CA $4,324 Roundtrip, found 17 hours ago
CA $4,324
Roundtrip
found 17 hours ago
Select Turkish Airlines flight, departing Mon., 30 Dec. from Washington to Koh Samui, returning Wed., 8 Jan., priced at CA $4,324 found 17 hours ago
Sun., 5 Jan. - Thu., 9 Jan.
IAD
Washington
USM
Koh Samui
CA $4,434 Roundtrip, found 17 hours ago
CA $4,434
Roundtrip
found 17 hours ago
Select Qatar Airways flight, departing Sun., 5 Jan. from Washington to Koh Samui, returning Thu., 9 Jan., priced at CA $4,434 found 17 hours ago
Tue., 24 Dec. - Sat., 28 Dec.
IAD
Washington
USM
Koh Samui
CA $4,465 Roundtrip, found 6 days ago
CA $4,465
Roundtrip
found 6 days ago
Select Turkish Airlines flight, departing Tue., 24 Dec. from Washington to Koh Samui, returning Sat., 28 Dec., priced at CA $4,465 found 6 days ago
Tue., 24 Dec. - Sun., 29 Dec.
IAD
Washington
USM
Koh Samui
CA $4,480 Roundtrip, found 6 days ago
CA $4,480
Roundtrip
found 6 days ago
Select Turkish Airlines flight, departing Tue., 24 Dec. from Washington to Koh Samui, returning Sun., 29 Dec., priced at CA $4,480 found 6 days ago
Tue., 31 Dec. - Sun., 12 Jan.
IAD
Washington
USM
Koh Samui
CA $4,487 Roundtrip, found 17 hours ago
CA $4,487
Roundtrip
found 17 hours ago
Select Turkish Airlines flight, departing Tue., 31 Dec. from Washington to Koh Samui, returning Sun., 12 Jan., priced at CA $4,487 found 17 hours ago
Sat., 4 Jan. - Sat., 11 Jan.
IAD
Washington
USM
Koh Samui
CA $4,625 Roundtrip, found 17 hours ago
CA $4,625
Roundtrip
found 17 hours ago
Select Qatar Airways flight, departing Sat., 4 Jan. from Washington to Koh Samui, returning Sat., 11 Jan., priced at CA $4,625 found 17 hours ago
Mon., 23 Dec. - Tue., 31 Dec.
IAD
Washington
USM
Koh Samui
CA $4,914 Roundtrip, found 3 days ago
CA $4,914
Roundtrip
found 3 days ago
Select British Airways flight, departing Mon., 23 Dec. from Washington to Koh Samui, returning Tue., 31 Dec., priced at CA $4,914 found 3 days ago
Thu., 2 Jan. - Sun., 5 Jan.
IAD
Washington
USM
Koh Samui
CA $7,502 Roundtrip, found 23 hours ago
CA $7,502
Roundtrip
found 23 hours ago
Select Etihad Airways flight, departing Thu., 2 Jan. from Washington to Koh Samui, returning Sun., 5 Jan., priced at CA $7,502 found 23 hours ago
Fri., 27 Dec. - Tue., 31 Dec.
IAD
Washington
USM
Koh Samui
CA $7,878 Roundtrip, found 6 days ago
CA $7,878
Roundtrip
found 6 days ago
Select Lufthansa flight, departing Fri., 27 Dec. from Washington to Koh Samui, returning Tue., 31 Dec., priced at CA $7,878 found 6 days ago
Tue., 31 Dec. - Tue., 7 Jan.
IAD
Washington
USM
Koh Samui
CA $9,266 Roundtrip, found 17 hours ago
CA $9,266
Roundtrip
found 17 hours ago
Select Emirates flight, departing Tue., 31 Dec. from Washington to Koh Samui, returning Tue., 7 Jan., priced at CA $9,266 found 17 hours 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.