Cheap flights from Sequim to St. Thomas from CA $321

View CA $321 flight on Sat, May 9, 2026Opens in a new window

Popular airlines from Sequim to St. Thomas

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Cheap flights from Sequim (SEA) to St. Thomas (STT)

Prices were available within the past 7 days and start at CA $321 for one-way flights and CA $787 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, May 9 - Tue, May 19
SEA
Seattle
STT
St. Thomas
CA $787 Roundtrip, found 4 days ago
CA $787
Roundtrip
found 4 days ago
Select American Airlines flight, departing Sat, May 9 from Seattle to St. Thomas, returning Tue, May 19, priced at CA $787 found 4 days ago
Delta
Sat, May 9 - Tue, May 19
SEA
Seattle
STT
St. Thomas
CA $800 Roundtrip, found 4 days ago
CA $800
Roundtrip
found 4 days ago
Select Delta flight, departing Sat, May 9 from Seattle to St. Thomas, returning Tue, May 19, priced at CA $800 found 4 days ago
American Airlines
Sat, May 9 - Tue, May 19
SEA
Seattle
STT
St. Thomas
CA $848 Roundtrip, found 4 days ago
CA $848
Roundtrip
found 4 days ago
Select American Airlines flight, departing Sat, May 9 from Seattle to St. Thomas, returning Tue, May 19, priced at CA $848 found 4 days ago
American Airlines
Sat, May 9 - Tue, May 19
SEA
Seattle
STT
St. Thomas
CA $896 Roundtrip, found 4 days ago
CA $896
Roundtrip
found 4 days ago
Select American Airlines flight, departing Sat, May 9 from Seattle to St. Thomas, returning Tue, May 19, priced at CA $896 found 4 days ago
Delta
Sat, May 9 - Tue, May 19
SEA
Seattle
STT
St. Thomas
CA $904 Roundtrip, found 4 days ago
CA $904
Roundtrip
found 4 days ago
Select Delta flight, departing Sat, May 9 from Seattle to St. Thomas, returning Tue, May 19, priced at CA $904 found 4 days ago
American Airlines
Sat, May 9 - Tue, May 19
SEA
Seattle
STT
St. Thomas
CA $927 Roundtrip, found 4 days ago
CA $927
Roundtrip
found 4 days ago
Select American Airlines flight, departing Sat, May 9 from Seattle to St. Thomas, returning Tue, May 19, priced at CA $927 found 4 days ago

Find the cheapest month to fly from Seattle (SEA) to St. Thomas (STT)

September is typically the cheapest month to fly

From CA $317 - CA $888 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.