PDX to LIR from $446 in economy – flightdeals.net

Home Premium Fare Deals About

American Airlines

AAAmerican Airlines

Round Trip•Economy

Portland International Airport

Portland, United States

Daniel Oduber Quirós International Airport

Liberia, Costa Rica

$660 USD

-32%$446 USD

Verified 14 days ago

July 2026

Mon

Tue

Wed

Thu

Fri

Sat

Sun

29 30 1 2 3 4 5$644 6$624 7$624 8$658 9$638 10$653 11$624 12$559 13$599 14$602 15$584 16$579 17$649 18$570 19$723 20$579 21$635 22$544 23$470 24$763 25$465 26$519 27$460 28$584 29$603 30$748 31$729 1$734 2$1,248

Good Availability

43% of dates checked are available within 10% of the lowest price

Thursday, July 30th, 2026

5 round-trip options

Returning

Tue, Aug 4, 2026•5 Day Trip

$967 USD

Returning

Wed, Aug 5, 2026•6 Day Trip

$1,266 USD

Returning

Thu, Aug 6, 2026•7 Day Trip

$2,869 USD

Returning

Tue, Aug 11, 2026•12 Day Trip

$748 USD

Returning

Wed, Aug 12, 2026•13 Day Trip

$1,266 USD