PHX to POS from $562 in economy – flightdeals.net

Home Premium Fare Deals About

United Airlines

UAUnited Airlines

Round Trip•Economy

Phoenix Sky Harbor International Airport

Phoenix, United States

Piarco International Airport

Port of Spain, Trinidad & Tobago

$806 USD

-30%$562 USD

Verified about 6 hours ago

September 2026

Mon

Tue

Wed

Thu

Fri

Sat

Sun

31$562 1$562 2$562 3$562 4$721 5$721 6$562 7$562 8$562 9$562 10$562 11$721 12$721 13$562 14$562 15$562 16$562 17$562 18$681 19$681 20$562 21$562 22$562 23$562 24$562 25$681 26$681 27$562 28$562 29$562 30$562 1$562 2$681 3$681 4$562

Fair Availability

27% of dates checked are available within 10% of the lowest price

Friday, September 4th, 2026

4 round-trip options

Returning

Wed, Sep 9, 2026•5 Day Trip

$721 USD

Returning

Fri, Sep 11, 2026•7 Day Trip

$721 USD

Returning

Sun, Sep 13, 2026•9 Day Trip

$880 USD

Returning

Tue, Sep 15, 2026•11 Day Trip

$721 USD