CA $650 Cheap American Airlines fights from Seattle (SEA) to Basseterre (SKB)

View CA $650 flight on Thu, Oct. 9, 2025Opens in a new window

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American Airlines flights from Seattle to Basseterre (SEA→SKB)

Prices were available within the past 7 days and start at CA $650 for one-way flights and CA $1,169 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed, Dec. 31 - Mon, Jan. 12
SEA
Seattle
SKB
St. Kitts
CA $1,169 Roundtrip, found 3 hours ago
CA $1,169
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Wed, Dec. 31 from Seattle to St. Kitts, returning Mon, Jan. 12, priced at CA $1,169 found 3 hours ago
American Airlines
Sun, Dec. 28 - Fri, Jan. 9
SEA
Seattle
SKB
St. Kitts
CA $1,273 Roundtrip, found 3 hours ago
CA $1,273
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Sun, Dec. 28 from Seattle to St. Kitts, returning Fri, Jan. 9, priced at CA $1,273 found 3 hours ago
American Airlines
Mon, Dec. 29 - Fri, Jan. 9
SEA
Seattle
SKB
St. Kitts
CA $1,301 Roundtrip, found 2 hours ago
CA $1,301
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Mon, Dec. 29 from Seattle to St. Kitts, returning Fri, Jan. 9, priced at CA $1,301 found 2 hours ago
American Airlines
Sun, Dec. 28 - Fri, Jan. 9
SEA
Seattle
SKB
St. Kitts
CA $1,343 Roundtrip, found 3 hours ago
CA $1,343
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Sun, Dec. 28 from Seattle to St. Kitts, returning Fri, Jan. 9, priced at CA $1,343 found 3 hours ago
American Airlines
Sun, Dec. 28 - Fri, Jan. 9
SEA
Seattle
SKB
St. Kitts
CA $1,357 Roundtrip, found 3 hours ago
CA $1,357
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Sun, Dec. 28 from Seattle to St. Kitts, returning Fri, Jan. 9, priced at CA $1,357 found 3 hours ago
American Airlines
Wed, Dec. 31 - Sun, Jan. 11
SEA
Seattle
SKB
St. Kitts
CA $1,391 Roundtrip, found 3 hours ago
CA $1,391
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Wed, Dec. 31 from Seattle to St. Kitts, returning Sun, Jan. 11, priced at CA $1,391 found 3 hours ago
Flight from Seattle to Basseterre (SEA - SKB) route information
Origin airport
Seattle - Tacoma Intl.
Destination airport
Robert L. Bradshaw Intl.
Airlines serving
American Airlines, United
Popular airline
American Airlines
Distance
6290 km
*Available to Expedia members.