PDX to LIR from $648 in business – flightdeals.net

Home Premium Fare Deals About

American Airlines

AAAmerican Airlines

One Way•Business Class

Portland International Airport

Portland, United States

Daniel Oduber Quirós International Airport

Liberia, Costa Rica

$711 USD

-9%$648 USD

Verified 13 days ago

October 2026

Mon

Tue

Wed

Thu

Fri

Sat

Sun

28$696 29$706 30$677 1$672 2$821 3$648 4$648 5$696 6$723 7$886 8$881 9$952 10$775 11$769 12$698 13$759 14$726 15$780 16$881 17$696 18$801 19$857 20$859 21$737 22$672 23$732 24$654 25$648 26$648 27$654 28$820 29$710 30$726 31$654 1

Great Availability

68% of dates checked are available within 10% of the lowest price

Sunday, October 11th, 2026

Outbound Flights

·

→

·

→

·

→