SEA to POS from $431 in first – flightdeals.net

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American Airlines

AAAmerican Airlines

One Way•First Class

Seattle–Tacoma International Airport

Seattle / Tacoma, United States

Piarco International Airport

Port of Spain, Trinidad & Tobago

$683 USD

-37%$431 USD

Verified about 7 hours ago

December 2026

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30$888 1$437 2$442 3$882 4$627 5$437 6$621 7$586 8$431 9$591 10$437 11$661 12$512 13$696 14$584 15$703 16$779 17$1,063 18$1,248 19$1,026 20$894 21$1,157 22$1,157 23$879 24$467 25$788 26$627 27$627 28$592 29$695 30$442 31$586 1 2 3

Limited Availability

17% of dates checked are available within 10% of the lowest price

Thursday, December 10th, 2026

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