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

Home Premium Fare Deals About

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 15 hours ago

September 2026

Mon

Tue

Wed

Thu

Fri

Sat

Sun

31 1$437 2$442 3$487 4$487 5$487 6$487 7$690 8$437 9$695 10$437 11$923 12$744 13$744 14$709 15$709 16$714 17$888 18$923 19$437 20$627 21$592 22$592 23$893 24$888 25$923 26$923 27$923 28$888 29$882 30$597 1$592 2$923 3$627 4$627

Limited Availability

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

Monday, September 21st, 2026

Outbound Flights

·

→

·

→

·

→